CN216774079U

CN216774079U - Explosion-proof box-type substation

Info

Publication number: CN216774079U
Application number: CN202122914911.3U
Authority: CN
Inventors: 彭忠富
Original assignee: Zhongqian Electric Group Co ltd
Current assignee: Zhongqian Electric Group Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-06-17
Anticipated expiration: 2031-11-25

Abstract

The utility model is suitable for the technical field of box-type substations, and provides an explosion-proof box-type substation, wherein a high-voltage switch cabinet is arranged in a box body, a switch chamber and a cable chamber are sequentially arranged in the high-voltage switch cabinet from top to bottom, an explosion-proof channel is arranged outside the high-voltage switch cabinet and is arranged in an L shape, the explosion-proof channel is matched with the high-voltage switch cabinet, the explosion-proof channel is attached to the high-voltage switch cabinet, the top of the explosion-proof channel is arranged in a closed shape, first connecting grooves are symmetrically arranged between the side wall of the explosion-proof channel and the side wall of the cable chamber in a penetrating way, compared with the prior art, an internal high-voltage unit is easy to explode, the released high voltage and heat are directly sprayed out of the box-type substation, and harm is caused to surrounding people and things, the explosion-proof box-type substation is characterized in that the first pressure relief plate, the second pressure relief plate and the explosion-proof channel are mutually matched, the explosion-proof function of the box-type substation can be effectively improved, and the using effect of the box-type substation is greatly improved.

Description

Explosion-proof box-type substation

Technical Field

The utility model belongs to the technical field of box-type substations, and particularly relates to an explosion-proof box-type substation.

Background

The box-type transformer substation, called prefabricated substation or prefabricated substation, is a high-voltage switchgear, distribution transformer and low-voltage distribution equipment, is a factory prefabricated indoor and outdoor compact distribution equipment which is arranged into a whole according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together, and the box-type transformer substation is installed in a moistureproof, antirust, dustproof, ratproof, fireproof, antitheft, heat-insulating, totally-enclosed and movable steel structure box, is particularly suitable for urban network construction and transformation, is a brand-new transformer substation which is grown up after a civil transformer substation, is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil transformer substation and is a novel complete transformer and distribution device.

The existing box-type substation is too simple in design structure, mostly has no explosion-proof function, has great potential safety hazard in the operation process, is mainly characterized in that a high-voltage unit inside the box-type substation is easy to explode, the high voltage and heat of the release are directly sprayed out of the box-type substation, harm is caused to people and objects around, and the using effect of the box-type substation is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof box-type substation, and aims to solve the problems that in the prior art, an internal high-voltage unit is easy to explode, and released high voltage and heat are directly sprayed out of the box-type substation, so that surrounding people and objects are damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: an explosion-proof box-type transformer substation comprises a box body, wherein a high-voltage switch cabinet is arranged in the box body, the high-voltage switch cabinet is sequentially provided with a switch chamber and a cable chamber from top to bottom, an anti-explosion channel is arranged outside the high-voltage switch cabinet and is arranged in an L shape, the anti-explosion channel is matched with the high-voltage switch cabinet, the explosion-proof channel is jointed with the high-voltage switch cabinet, the top of the explosion-proof channel is arranged in a closed manner, a first connecting groove is symmetrically communicated between the side wall of the explosion-proof channel and the side wall of the cable chamber, the explosion-proof channel is provided with a first pressure relief plate inside the first connecting groove, the first pressure relief plate seals the first connecting groove, a second communicating groove is symmetrically communicated and arranged between the top of the explosion-proof channel and the side wall of the switch chamber, and a second pressure relief plate is arranged in the second communicating groove of the explosion-proof channel and seals the second communicating groove.

Preferably, first fastening pieces are symmetrically arranged between the bottom of the explosion-proof channel and the bottom surface of the high-voltage switch cabinet.

Preferably, the bottom of box is equipped with the skeleton, the symmetry is equipped with the second fastener between the top surface of the bottom of explosion-proof passageway and skeleton.

Preferably, a connecting piece is arranged between the top surface of the explosion-proof channel and the top surface of the high-voltage switch cabinet, and third fastening pieces are symmetrically arranged between the two ends of the connecting piece and the explosion-proof channel and the high-voltage switch cabinet.

Preferably, a transformer unit and a low-voltage unit are sequentially arranged at intervals on one side of the high-voltage switch cabinet in the box body.

The utility model has at least the following beneficial effects:

when the switch chamber is arcing, the generated high pressure and heat quickly burst the second pressure relief plate, and the airflow enters the discharge pipe pre-buried at the bottom of the ground from the explosion-proof channel to be discharged; when the arcing takes place for the cable chamber, first pressure release board is washed away rapidly to the high pressure and the heat that produce, the air current gets into the pre-buried delivery pipe in ground end from explosion-proof passageway, discharge, for among the prior art, the easy explosion that takes place of inside high-voltage unit, the high pressure of release and the direct blowout box-type substation of heat are outside, cause the problem of harm to people and thing around, through first pressure release board in this scheme, second pressure release board and explosion-proof passageway are mutually supported, can effectively improve box-type substation's explosion-proof function, box-type substation's result of use has been promoted greatly.

Drawings

FIG. 1 is a schematic view of the structure of an explosion-proof passage according to the present invention;

FIG. 2 is a schematic view of the internal structure of the case according to the present invention;

FIG. 3 is a side view of the explosion proof passage of the present invention;

FIG. 4 is a front view of an explosion proof passageway according to the present invention;

fig. 5 is a schematic diagram of the operation of the first and second vent plates of the present invention.

In the reference symbols: 1. a box body; 2. a high-voltage switch cabinet; 21. a switch chamber; 22. a cable chamber; 3. an explosion-proof channel; 4. a first fastener; 5. a second fastener; 6. a framework; 7. connecting sheets; 8. a third fastener; 9. a transformer unit; 10. a low-voltage unit; 11. a first pressure relief plate; 12. a second pressure relief plate; 13. A first connecting groove; 14. and a second communicating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: an explosion-proof box-type substation comprises a box body 1, wherein a high-voltage switch cabinet 2 is arranged in the box body 1, the high-voltage switch cabinet 2 is sequentially provided with a switch chamber 21 and a cable chamber 22 from top to bottom, an explosion-proof channel 3 is arranged outside the high-voltage switch cabinet 2, the explosion-proof channel 3 is arranged in an L shape, the explosion-proof channel 3 is matched with the high-voltage switch cabinet 2, the explosion-proof channel 3 is attached to the high-voltage switch cabinet 2, the top of the explosion-proof channel 3 is arranged in a closed shape, specifically, the bottom of the explosion-proof channel 3 is provided with a discharge port, the discharge port is communicated with a ground bottom pre-buried discharge pipe, first communication grooves 13 are symmetrically communicated between the side wall of the explosion-proof channel 3 and the side wall of the cable chamber 22, a first pressure relief plate 11 is arranged in the first communication groove 13 of the explosion-proof channel 3, specifically, the first pressure relief plate 11 is fixedly connected with the first communication groove 13, the first pressure relief plate 11 seals the first communication groove 13, the top of the explosion-proof channel 3 and the side wall of the switch chamber 21 are symmetrically provided with second communicating grooves 14 in a penetrating manner, a second pressure release plate 12 is arranged inside the second communicating grooves 14 of the explosion-proof channel 3, specifically, the second pressure release plate 12 is fixedly connected with the second communicating grooves 14, and the second communicating grooves 14 are sealed by the second pressure release plate 12.

In the embodiment, when the switch chamber 21 of the high-voltage switch cabinet 2 is arcing, the high pressure and heat generated in the switch chamber 21 quickly flush the second pressure relief plate 12, and the air flow enters the underground pre-buried discharge pipe from the explosion-proof channel 3 for discharge; when arcing takes place in the cable chamber 22 of high tension switchgear 2, first pressure release board 11 is washed away rapidly to the inside high pressure and the heat that produces of cable chamber 22, the air current gets into the pre-buried delivery pipe in ground end from explosion-proof passageway 3, discharge, thereby when avoiding 2 inside arcing of high tension switchgear, the high pressure of release and heat directly spout to the outside of box 1, and simultaneously, arcing trouble can be avoided influencing each other between switch chamber 21 and the cable chamber 22, thereby during the maintenance, only need change the unit that breaks down, facilitate the use.

Furthermore, first fastening pieces 4 are symmetrically arranged between the bottom of the explosion-proof channel 3 and the bottom surface of the high-voltage switch cabinet 2.

In the embodiment, the bottom of the explosion-proof channel 3 and the high-voltage switch cabinet 2 are fastened through the first fastening piece 4, so that the explosion-proof channel 3 is convenient to fix and detach.

Further, the bottom of the box body 1 is provided with a framework 6, and second fastening pieces 5 are symmetrically arranged between the bottom of the explosion-proof channel 3 and the top surface of the framework 6.

In the embodiment, the bottom of the explosion-proof channel 3 is fixed on the framework 6 through the second fastening piece 5, so that the explosion-proof channel 3 can be kept stable in the working process, and the normal work of the explosion-proof channel 3 is ensured.

Further, a connecting sheet 7 is arranged between the top surface of the explosion-proof channel 3 and the top surface of the high-voltage switch cabinet 2, specifically, the connecting sheet 7 is arranged between the top surface of the explosion-proof channel 3 and the top surface of the high-voltage switch cabinet 2, and third fastening pieces 8 are symmetrically arranged between two ends of the connecting sheet 7 and the explosion-proof channel 3 and between two ends of the connecting sheet 7 and the high-voltage switch cabinet 2.

In the embodiment, the connecting sheet 7 and the third fastening piece 8 are matched with each other to fix the top surface of the explosion-proof channel 3 and the top surface of the high-voltage switch cabinet 2, so that the fixing and the dismounting are convenient.

Further, one side of the interior of the box body 1, which is located on the high-voltage switch cabinet 2, is sequentially provided with a transformer unit 9 and a low-voltage unit 10 at intervals, and specifically, the transformer unit 9 and the low-voltage unit 10 are fixedly connected with the box body 1.

In the present embodiment, the transformer unit 9 and the low voltage unit 10 are sequentially arranged at intervals, so as to avoid the influence on the transformer unit 9 and the low voltage unit 10 when the high voltage switch cabinet 2 is arcing.

The working principle and the using process of the utility model are as follows: after the device is installed, when the switch chamber 21 of the high-voltage switch cabinet 2 is subjected to arcing, high pressure and heat generated in the switch chamber 21 quickly flush the second pressure relief plate 12, airflow enters the explosion-proof channel 3 and enters the underground pre-buried discharge pipe from the explosion-proof channel 3 for discharge; when arcing takes place in high tension switchgear's 2 cable chamber 22, first pressure release board 11 is washed away rapidly to the inside high pressure and the heat that produces of cable chamber 22, the air current gets into explosion-proof passageway 3, get into the pre-buried delivery pipe in ground end from explosion-proof passageway 3, discharge, thereby when avoiding 2 inside arcing of high tension switchgear, the high pressure and the heat of release directly spout to box 1's outside, and simultaneously, arcing trouble can be avoided influencing each other between switch chamber 21 and the cable chamber 22, thereby during the maintenance, only need change the unit that breaks down, facilitate the use.

Having shown and described the basic principles and essential features of the utility model and its advantages, it will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as illustrative and not restrictive in all respects, the scope of the utility model 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 signs in the claims being therefore intended to be embraced therein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. An explosion-proof box-type substation is characterized by comprising a box body (1), wherein a high-voltage switch cabinet (2) is arranged in the box body (1), a switch chamber (21) and a cable chamber (22) are sequentially arranged on the high-voltage switch cabinet (2) from top to bottom, an explosion-proof channel (3) is arranged outside the high-voltage switch cabinet (2), the explosion-proof channel (3) is arranged in an L shape, the explosion-proof channel (3) is matched with the high-voltage switch cabinet (2), the explosion-proof channel (3) is attached to the high-voltage switch cabinet (2), the top of the explosion-proof channel (3) is arranged in a closed shape, first connecting grooves (13) are symmetrically arranged between the side wall of the explosion-proof channel (3) and the side wall of the cable chamber (22) in a penetrating manner, first pressure relief plates (11) are arranged in the explosion-proof channel (3) positioned in the first connecting grooves (13), and the first connecting grooves (13) are sealed by the first pressure relief plates (11), the explosion-proof passage is characterized in that a second communicating groove (14) is symmetrically formed in a penetrating mode between the top of the explosion-proof passage (3) and the side wall of the switch chamber (21), a second pressure relief plate (12) is arranged in the explosion-proof passage (3) located in the second communicating groove (14), and the second communicating groove (14) is sealed by the second pressure relief plate (12).

2. The explosion-proof box-type substation of claim 1, characterized in that: first fastening pieces (4) are symmetrically arranged between the bottom of the explosion-proof channel (3) and the bottom surface of the high-voltage switch cabinet (2).

3. An explosion-proof box substation according to claim 1, characterized in that: the bottom of box (1) is equipped with skeleton (6), the symmetry is equipped with second fastener (5) between the top surface of the bottom of explosion-proof passageway (3) and skeleton (6).

4. An explosion-proof box substation according to claim 1, characterized in that: a connecting piece (7) is arranged between the top surface of the explosion-proof channel (3) and the top surface of the high-voltage switch cabinet (2), and third fasteners (8) are symmetrically arranged between the two ends of the connecting piece (7) and the explosion-proof channel (3) and the high-voltage switch cabinet (2).

5. An explosion-proof box substation according to claim 1, characterized in that: and a transformer unit (9) and a low-voltage unit (10) are sequentially arranged on one side of the interior of the box body (1) positioned on the high-voltage switch cabinet (2) at intervals.