CN212518126U

CN212518126U - Distribution automation cubical switchboard

Info

Publication number: CN212518126U
Application number: CN202021250000.4U
Authority: CN
Inventors: 李云
Original assignee: Jiangsu Fengyang Electric Co ltd
Current assignee: Jiangsu Fengyang Electric Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-09
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a cubical switchboard technical field, concretely relates to distribution automation cubical switchboard, including the cabinet body, cabinet door, pressure release part is including pressure release seat, last pressure release hole, piston, pressure release groove, elastic component down. The utility model has the advantages that: when the inside high temperature air current in the twinkling of an eye that produces of cubical switchboard, high temperature air current can't in time dispel through the thermovent, will to promote the elasticity that the piston overcome the elastic component and shift up via lower pressure release hole, make high temperature air current by lower pressure release hole, the pressure release groove, go up the pressure release hole and carry out in time the pressure release, the back is accomplished in the pressure release, the elastic component has the elasticity to the piston, make piston end face and sliding tray inner bottom wall offset, make foreign matters such as outside dust can not follow in the pressure release seat gets into the cubical switchboard, set up the drive structure, drive the connector through the drive element among the drive structure and remove, make the cabinet door can open under the condition that personnel's operation need not, be convenient for the staff to carry out.

Description

Distribution automation cubical switchboard

Technical Field

The utility model relates to a cubical switchboard technical field, concretely relates to distribution automation cubical switchboard.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.

The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.

Under the conditions of insulation aging, human misoperation, design defects and the like of electrical elements in the switch cabinet, a primary loop may have short-circuit fault, so that short-circuit current of tens of thousands of amperes is generated, the short-circuit current can instantly generate high-temperature and high-pressure gas, if the shell design of the switch cabinet is compact and the size is small, fault airflow cannot be effectively released in a short time, the shell of the switch cabinet can be cracked, the adjacent switch cabinet and workers are seriously damaged, and major safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a distribution automation cubical switchboard, it can realize solving prior art's problem to a certain extent at least.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a distribution automation switch cabinet comprises a cabinet body of the switch cabinet and a cabinet door hinged on the cabinet body, wherein a pressure relief component is arranged at the top of the cabinet body, the pressure relief component comprises a pressure relief seat arranged on the top surface of the cabinet body, a through hole type pressure relief hole penetrating through the top surface of the cabinet body is coaxially arranged on the pressure relief seat, a hollow sliding groove communicated with the pressure relief hole is coaxially arranged in the pressure relief seat, two sections of the pressure relief hole separated by the sliding groove are respectively defined as an upper pressure relief hole and a lower pressure relief hole, the lower pressure relief hole is communicated with the inside of the cabinet body, a piston is coaxially and slidably clamped in the sliding groove, a plurality of pressure relief grooves in a through hole type are arranged on the end surface of the piston along the axial array of the piston, the pressure relief grooves and the lower pressure relief holes are staggered, so that the end surface of the piston has a sealing state when abutting against the bottom wall in the sliding groove, a plurality of elastic pieces are arranged in the sliding, the elastic piece is abutted against the piston and drives the end face of the piston to abut against the inner bottom wall of the sliding groove.

As a further optimization of the above technical solution, the elastic member is a compression spring, and two ends of the compression spring in the elastic direction respectively abut against the piston and the inner top wall of the sliding groove.

As a further optimization of the above technical solution, the cabinet door is hinged to the cabinet body by a mounting hinge.

As the further optimization of the technical scheme, a plurality of heat dissipation holes are formed in the outer wall of the cabinet body.

As above technical scheme's further optimization, the cabinet door is driven its edge by drive structure and is rotated with cabinet body articulated department, drive structure is including locating the first free bearing on the internal wall of cabinet, it has the second free bearing to articulate on the first free bearing, install drive element on the second free bearing, the last drive of drive element is connected with the connector, be equipped with the movable block on the cabinet door, the connector is articulated with the movable block.

As a further optimization of the solution described above, the drive element is an electric push rod.

As a further optimization of the technical scheme, a plurality of rubber cushion blocks are mounted at the bottom of the cabinet body.

The utility model has the advantages that: when instant high-temperature airflow is generated in the switch cabinet, the high-temperature airflow cannot be timely dissipated through the heat dissipation port, the piston is pushed through the lower pressure relief hole to overcome the elasticity of the elastic piece and move upwards, so that the high-temperature airflow is timely relieved from the lower pressure relief hole, the pressure relief groove and the upper pressure relief hole, after the pressure relief is finished, the elastic piece has elasticity on the piston, the end face of the piston is abutted against the bottom wall in the sliding groove, so that foreign matters such as external dust and the like can not enter the switch cabinet from the pressure relief seat, the driving structure is arranged, the driving element in the driving structure drives the connector to move, thereby driving the cabinet door to rotate along the hinged part of the cabinet body, so that the cabinet door can be opened without the operation of personnel, and then can be convenient for the staff to carry out the operation and maintenance to the electrical components of cubical switchboard inside and overhaul, overhaul the in-process simultaneously, the cabinet door can not produce and rotate by oneself, and then can not interfere operation and maintenance personnel's normal operating.

Drawings

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

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the three-dimensional structure of FIG. 1;

FIG. 3 is a schematic partial cross-sectional view of the three-dimensional structure of FIG. 2;

FIG. 4 is a schematic bottom view of the three-dimensional structure of FIG. 1;

wherein the reference numerals are as follows:

1-cabinet door, 2-connector, 3-movable block, 4-electric push rod, 5-upper pressure relief hole, 6-pressure relief seat, 7-heat dissipation hole, 8-cabinet body, 9-loose leaf, 10-compression spring, 11-piston, 12-pressure relief groove, 13-lower pressure relief hole, 14-sliding groove, 15-first hinged seat, 16-second hinged seat and 17-rubber cushion block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, fig. 1-4 show a distribution automation switch cabinet, which includes a cabinet body 8 of the switch cabinet and a cabinet door 1 hinged on the cabinet body 8 through a mounting hinge 9, the bottom of the cabinet body 8 is mounted with a plurality of rubber pads 17, the outer wall of the cabinet body 8 is provided with a plurality of heat dissipation holes 7, the top of the cabinet body 8 is provided with a pressure relief component, the pressure relief component includes a pressure relief seat 6 arranged on the top surface of the cabinet body 8, the pressure relief seat 6 is coaxially provided with a through hole type pressure relief hole penetrating through the top surface of the cabinet body 8, the pressure relief seat 6 is further coaxially provided with a hollow sliding groove 14 communicated with the pressure relief hole, the two sections of the pressure relief hole separated by the sliding groove 14 are respectively defined as an upper pressure relief hole 5 and a lower pressure relief hole 13, the lower pressure relief hole 13 is communicated with the inside of the cabinet body 8, a piston 11 is coaxially and slidably engaged with the sliding groove 14, the end surface of the piston 11 is provided with a plurality of, pressure release groove 12 staggers the setting with lower pressure release hole 13, makes 11 terminal surfaces of piston have a sealing state when the diapire offsets with sliding tray 14 in, be equipped with a plurality of compression spring 10 along its axial array in the sliding tray 14, compression spring 10 elasticity direction both ends support respectively and push up piston 11, roof in the sliding tray 14, compression spring 10 supports and pushes up piston 11 and drive piston 11 terminal surface and sliding tray 14 interior diapire and offsets, cabinet door 1 is driven it by drive structure and is followed and rotate with cabinet body 8 articulated department, drive structure is including locating first free bearing 15 on the cabinet body 8 inner wall, it has second free bearing 16 to articulate on first free bearing 15, install electric push rod 4 on the second free bearing 16, the drive is connected with connector 2 on the electric push rod 4, be equipped with movable block 3 on the cabinet door 1, connector 2 is articulated with movable block 3.

The utility model discloses when using: when the inside high temperature air current in the twinkling of an eye that produces of cubical switchboard, high temperature air current can't in time be dispelled via the thermovent, and then promote the piston to shift up via lower pressure release hole, make the piston break away from the state of offsetting with the interior diapire of sliding tray, high temperature air current will distribute via lower pressure release hole this moment, the pressure release groove, go up the pressure release hole, the phenomenon that the cubical switchboard shell produced the damage has been reduced, the security performance is improved, after the pressure release finishes, through the elastic force effect of compression spring, the drive piston moves down, and make its terminal surface support with the interior diapire of sliding tray, fortune dimension personnel reach cubical switchboard department when overhauing, at first switch on external power supply, start electric putter, electric putter drive connector removes, and then drive cabinet door along rotating with cabinet body articulated department, make the internal portion of cabinet open, fortune dimension personnel can overhaul the electrical components in.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A distribution automation switch cabinet comprises a cabinet body (8) of the switch cabinet and a cabinet door (1) hinged on the cabinet body (8), and is characterized in that a pressure relief component is arranged at the top of the cabinet body (8), the pressure relief component comprises a pressure relief seat (6) arranged on the top surface of the cabinet body (8), pressure relief holes in a through hole form and penetrating through the top surface of the cabinet body (8) are coaxially arranged on the pressure relief seat (6), a hollow sliding groove (14) communicated with the pressure relief holes is also coaxially arranged in the pressure relief seat (6), two sections of the pressure relief holes separated by the sliding groove (14) are respectively defined as an upper pressure relief hole (5) and a lower pressure relief hole (13), the lower pressure relief hole (13) is communicated with the inside of the cabinet body (8), a piston (11) is coaxially and slidably clamped in the sliding groove (14), and a plurality of pressure relief grooves (12) in a through hole form are arranged on the end surface of the piston (11) along the axial array thereof, the pressure relief groove (12) and the lower pressure relief hole (13) are arranged in a staggered mode, so that a sealing state is achieved when the end face of the piston (11) abuts against the inner bottom wall of the sliding groove (14), a plurality of elastic pieces are arranged in the sliding groove (14) along the axial direction of the sliding groove, and the elastic pieces abut against the piston (11) and drive the end face of the piston (11) to abut against the inner bottom wall of the sliding groove (14).

2. The distribution automation switch cabinet according to claim 1, characterized in that the elastic member is a compression spring (10), and both ends of the compression spring (10) in the elastic direction respectively abut against the top wall of the piston (11) and the inner wall of the sliding groove (14).

3. A distribution automation switchgear, according to claim 1, characterized in that the cabinet door (1) is hinged on the cabinet body (8) by means of mounting hinges (9).

4. The distribution automation switch cabinet according to claim 1, characterized in that the cabinet body (8) is provided with a plurality of heat dissipation holes (7) on its outer wall.

5. The distribution automation switch cabinet according to claim 1, characterized in that the cabinet door (1) is driven by a driving structure to rotate along a hinge joint with the cabinet body (8), the driving structure comprises a first hinged support (15) arranged on the inner wall of the cabinet body (8), a second hinged support (16) is hinged on the first hinged support (15), a driving element is mounted on the second hinged support (16), the driving element is connected with a connector (2) in a driving manner, a movable block (3) is arranged on the cabinet door (1), and the connector (2) is hinged with the movable block (3).

6. A distribution automation switchgear, according to claim 5, characterized in that the driving element is an electric push rod (4).

7. A distribution automation switchgear, according to claim 1, characterized in that the bottom of the cabinet body (8) is fitted with a plurality of rubber pads (17).