CN211701482U

CN211701482U - Transformer substation arc suppression coil parallel small-resistance grounding device

Info

Publication number: CN211701482U
Application number: CN202020628318.5U
Authority: CN
Inventors: 王长赞; 何红梅; 洪文刚; 贾婷玉; 温从众
Original assignee: Anhui Langyi Electric Power Technology Co ltd
Current assignee: Anhui Langyi Electric Power Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-10-16
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a parallelly connected little resistance earthing device of arc suppression coil of transformer substation, including box, base and grounding transformer, the bottom fixed mounting of base has the wheel, the top fixed mounting of base has the box, the box is provided with the ground connection groove with the inside of base, the chamber door is all installed in the rotation of the surface at box both ends, one side of box is rotatory to be installed and is pushed away the handrail, the surface of box both sides is provided with the wiring window, the inside fixed mounting of box has grounding transformer, grounding transformer's peripheral fixed mounting has the mounting bracket, and the outside fixed mounting of mounting bracket has the fixed station, the inside fixed mounting of box of mounting bracket upper end has lighting device. The utility model discloses a be provided with a series of structures and make this device can more make things convenient for the user of service to remove the position of device at the in-process that uses, to the advantage such as the protecting effect of device is good and be convenient for detect and maintain, optimize the use.

Description

Transformer substation arc suppression coil parallel small-resistance grounding device

Technical Field

The utility model relates to a transformer substation technical field specifically is a parallelly connected little resistance earthing device of transformer substation's arc suppression coil.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system, the transformer substation in a power plant is a boosting transformer substation, the effect of the boosting transformer substation is to boost the electric energy generated by a generator and then feed the electric energy into a high-voltage power grid, the transformer substation can generate a large electric arc in the process of guiding the electric energy, at the moment, an arc extinguishing coil is needed to be used for arc extinguishing, a small resistor connected with the arc extinguishing coil in parallel is needed to be connected with a grounding device when in use, and the safety of the device is improved after connection.

The existing transformer substation arc suppression coil parallel small resistance grounding device has the defects that:

1. the grounding device is mostly exposed in the air, and when a user touches the grounding device accidentally, the grounding device is easy to get an electric shock, so that the safety of the grounding device is reduced;

2. the position of the device is not convenient for a user to move, the device is not convenient for the user to detect and maintain in the environment with poor visual conditions, and therefore the transformer substation arc suppression coil parallel connection small-resistance grounding device is provided to solve the existing problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a parallelly connected little resistance earthing device of transformer substation's arc suppression coil to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a parallelly connected little resistance earthing device of arc suppression coil of transformer substation, includes box, base and grounding transformer, the bottom fixed mounting of base has the wheel, the top fixed mounting of base has the box, the box is provided with the ground connection groove with the inside of base, the chamber door is all installed in the rotation of the surface at box both ends, one side of box is rotatory to be installed and is pushed away the handrail, the periphery that pushes away the handrail is provided with the antiskid cover, the surface of box both sides is provided with the wiring window, the inside fixed mounting of box has grounding transformer, grounding transformer's peripheral fixed mounting has the mounting bracket, and the outside fixed mounting of mounting bracket has the fixed station, the inside fixed mounting of box of mounting bracket upper end has lighting.

Preferably, the surface of two sides of the box body at the upper end of the wiring window is fixedly provided with a heat dissipation window, and a stainless steel filter screen is arranged inside the heat dissipation window.

Preferably, a switch is fixedly installed on the surface of the lighting device, and an illuminating lamp is fixedly installed at the bottom of the lighting device.

Preferably, the bottom of the base on the outer side of the wheel is fixedly provided with a pad table, and the surface of the pad table is rotatably provided with an adjusting bolt.

Preferably, the surface of the two sides of the base is fixedly provided with a traction ring, and the outer side of the box body at the top of the base is fixedly provided with a limiting table.

Preferably, an observation window is fixedly installed on the surface of the box door, and a handle is fixedly installed on one side of the observation window.

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

1. the utility model discloses a box is fixedly installed at the top of base, can protect grounding transformer when using, avoid the user to directly contact with grounding transformer, thereby improve the safety of the device, through installing the chamber door on the surface of both ends of the box in a rotating way, can open two surfaces of the box, thereby more conveniently the user can detect and maintain grounding transformer when using, improve the practicality of the device, the outside of the mounting bracket is fixedly installed with the fixed station, utilize the fixed station to limit the position of the mounting bracket in the box when using, avoid the phenomenon that the mounting bracket appears displacement when using, improve the stability of the device, the spacing station can limit the position of the box at the top of base when using, avoid the phenomenon that the box appears displacement at the top of base when using and moving, the stability of the device is improved.

2. The utility model has the advantages that the wheels are fixedly arranged at the bottom of the base, the device can be moved, the device has mobility, the whole working performance is improved, the traction rings are fixedly arranged on the surfaces of the two sides of the base, the traction wires can be fixedly connected with an external traction device, the position of the device can be moved and adjusted by a user more conveniently, the observation window is fixedly arranged on the surface of the box door, the interior of the box body can be observed without opening the box door, the user can detect and maintain the device more conveniently, the handle is fixedly arranged on one side of the observation window, the contact area between the outer surface of the device and the hand of the user can be enlarged, the user can adjust the device more conveniently, the practicability of the device is improved, and the lighting device is fixedly arranged in the box body at the upper end of the mounting rack, the inside of the device can be illuminated when the device is reused, so that the inside of the box body can be detected and maintained by a user more conveniently.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic view of a local structure of the box body of the present invention.

In the figure: 1. a box body; 101. a heat dissipation window; 102. a stainless steel filter screen; 103. a wiring window; 2. pushing the handrail; 201. an anti-slip sleeve; 3. a box door; 301. an observation window; 302. a handle; 4. a base; 401. a limiting table; 402. a traction ring; 5. a cushion table; 6. a wheel; 7. an illumination device; 701. a switch; 702. an illuminating lamp; 8. a grounding transformer; 801. a mounting frame; 9. a fixed table; 10. and a grounding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a transformer substation arc suppression coil parallel connection small resistance grounding device comprises a box body 1, a base 4 and a grounding transformer 8, wherein wheels 6 are fixedly arranged at the bottom of the base 4, the device can be moved, so that the device has mobility, and the whole working performance is improved, the box body 1 is fixedly arranged at the top of the base 4, a push handle 2 is rotatably arranged at one side of the box body 1, the contact area between the outer surface of the device and the hand of a user can be enlarged by using the push handle 2 when in use, so that the device can be moved by the user more conveniently, an anti-slip sleeve 201 is arranged on the periphery of the push handle 2, the friction force generated when the surface of the device is contacted with the palm of the user can be increased, the phenomenon that the user slides when in adjustment is avoided, box doors 3 are rotatably arranged on the surfaces of two ends of the box body 1, and two surfaces of the box body 1 can be opened, therefore, the grounding transformer 8 can be more conveniently detected and maintained by a user when in use, the practicability of the device is improved, the wiring windows 103 are arranged on the surfaces of the two sides of the box body 1, the grounding transformer 8 can be more conveniently connected with an external structure by the user, the grounding transformer 8 is fixedly arranged in the box body 1, the mounting frame 801 is fixedly arranged on the periphery of the grounding transformer 8, and the fixing table 9 is fixedly arranged on the outer side of the mounting frame 801, the type of the grounding transformer 8 can adopt a DKSC transformer, an artificial neutral point can be provided for a system with the neutral point not grounded, the ground capacitance current of the power distribution network when the ground short circuit fault occurs is reduced, the power supply reliability of the power distribution system is improved, the position of the mounting frame 801 in the box body 1 can be limited by using the fixing table 9 when in use, and the phenomenon that the mounting frame 801 displaces when in use is, the stability of the device is improved, the lighting device 7 is fixedly arranged inside the box body 1 at the upper end of the mounting rack 801, and the lighting device can illuminate the inside of the device when being reused, so that a user can more conveniently detect and maintain the inside of the box body 1, the grounding groove 10 is arranged inside the box body 1 and the base 4, and the grounding transformer 8 can be more conveniently connected with a grounding wire by the user when the grounding device is used.

The heat dissipation window 101 is fixedly installed on the surface of the two sides of the box body 1 at the upper end of the wiring window 103, and the stainless steel filter screen 102 is arranged inside the heat dissipation window 101, so that air inside the heat dissipation window can better circulate, the damage of equipment due to overheating can be effectively prevented, and the service life of the equipment is prolonged.

The switch 701 is fixedly installed on the surface of the lighting device 7, the illuminating lamp 702 is fixedly installed at the bottom of the lighting device 7, and the switch 701 can be used for controlling the illuminating lamp 702, so that the practicability of the device is improved.

4 bottom fixed mounting of base in the wheel 6 outside has and fills up platform 5, and the rotatory adjusting bolt of installing in surface of filling up platform 5 can increase the area that contacts between device bottom surface and the ground, avoids the device to lead to the phenomenon of device displacement to appear because the ground unevenness of device location when placing, improves the holistic stability of device and security.

The fixed surface of base 4 both sides installs traction ring 402, can utilize the pull wire to carry out fixed connection with outside draw gear, thereby make things convenient for the user of service to remove and adjust the position of device more, improve the practicality of device, and 1 outside fixed mounting of box at base 4 top has spacing platform 401, utilize spacing platform 401 can be injectd the position at base 4 top to box 1 when using, avoid box 1 to remove the phenomenon that the displacement appears at base 4's top in the use, improve the stability of device.

The fixed surface of chamber door 3 installs observation window 301, can observe the inside of box 1 under the prerequisite of not opening chamber door 3 to more make things convenient for the user of service to detect and maintain the device, and one side fixed mounting of observation window 301 has handle 302, can enlarge the area of contact between device surface and the user of service hand, thereby more make things convenient for the user of service to adjust the device, improve the practicality of device.

The working principle is as follows: the wiring window 103 may facilitate a user to connect the grounding transformer 8 to an external structure, the grounding transformer 8 may provide an artificial neutral point for a system in which the neutral point is not grounded, so as to reduce the capacitance current to the ground when the distribution network has a ground short circuit fault, improve the power supply reliability of the distribution system, limit the position of the mounting rack 801 in the box body 1 when in use by using the fixing station 9, avoid the displacement phenomenon of the mounting rack 801 when in use, and use the lighting device 7 fixedly arranged in the box body 1 at the upper end of the mounting rack 801 to light the inside of the device when in reuse, thereby being more convenient for the user to detect and maintain the interior of the box body 1, the grounding groove 10 is arranged in the box body 1 and the base 4, the grounding transformer 8 can be connected with the grounding wire by a user more conveniently when in use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a parallelly connected little resistance earthing device of transformer substation's arc suppression coil, includes box (1), base (4) and grounding transformer (8), its characterized in that: wheels (6) are fixedly arranged at the bottom of the base (4), a box body (1) is fixedly arranged at the top of the base (4), a grounding groove (10) is arranged inside the box body (1) and the base (4), the surfaces of two ends of the box body (1) are rotatably provided with box doors (3), one side of the box body (1) is rotatably provided with a push handrail (2), the periphery of the push handrail (2) is provided with an anti-skid sleeve (201), the surfaces of two sides of the box body (1) are provided with wiring windows (103), a grounding transformer (8) is fixedly arranged in the box body (1), a mounting rack (801) is fixedly arranged on the periphery of the grounding transformer (8), and the outer side of the mounting rack (801) is fixedly provided with a fixed table (9), and the interior of the box body (1) at the upper end of the mounting rack (801) is fixedly provided with a lighting device (7).

2. The transformer substation arc suppression coil parallel small-resistance grounding device according to claim 1, characterized in that: and heat dissipation windows (101) are fixedly arranged on the surfaces of two sides of the box body (1) at the upper end of the wiring window (103), and a stainless steel filter screen (102) is arranged inside the heat dissipation windows (101).

3. The transformer substation arc suppression coil parallel small-resistance grounding device according to claim 1, characterized in that: a switch (701) is fixedly arranged on the surface of the lighting device (7), and a lighting lamp (702) is fixedly arranged at the bottom of the lighting device (7).

4. The transformer substation arc suppression coil parallel small-resistance grounding device according to claim 1, characterized in that: the base (4) bottom fixed mounting in wheel (6) outside has and fills up platform (5), and the surperficial rotatory adjusting bolt of installing of pad platform (5).

5. The transformer substation arc suppression coil parallel small-resistance grounding device according to claim 1, characterized in that: the surface fixed mounting of base (4) both sides has traction ring (402), and box (1) outside fixed mounting at base (4) top has spacing platform (401).

6. The transformer substation arc suppression coil parallel small-resistance grounding device according to claim 1, characterized in that: the surface of the box door (3) is fixedly provided with an observation window (301), and one side of the observation window (301) is fixedly provided with a handle (302).