CN215817226U

CN215817226U - Solid insulation looped netowrk cabinet

Info

Publication number: CN215817226U
Application number: CN202122239796.4U
Authority: CN
Inventors: 李靖; 李琳; 张横
Original assignee: Zhejiang Senhang Technology Co ltd
Current assignee: Zhejiang Senhang Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-11
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of ring main units, in particular to a solid insulation ring main unit, which comprises a main body, wherein a control panel is arranged on the front side of the main body, heat dissipation windows are uniformly arranged on the front side of the main body and below the control panel, iron wire separation nets are fixedly connected on the left side and the right side of the inner part of the main body through bolts, a placing partition plate is arranged on the inner side of each iron wire separation net, a temperature sensor is arranged on the right side of the inner part of the main body and above the placing partition plate, primary fire extinguishing mechanisms are arranged on the left side and the right side of the main body, and a secondary fire extinguishing mechanism is arranged on the top of the inner side of the main body. The fire is prevented from being controlled difficultly, and high temperature and toxic gas are prevented from being generated.

Description

Solid insulation looped netowrk cabinet

Technical Field

The utility model relates to the technical field of ring main units, in particular to a solid insulation ring main unit.

Background

The solid insulation ring main unit adopts solid insulation material as main insulation medium, the vacuum arc extinguish chamber and the main conductive circuits such as the conductive connection, the isolating switch, the grounding switch, the main bus, the branch bus and the like can be packaged into one or more modules with certain functions, capable of being combined or expanded again and having full insulation and full sealing performance after being coated by the solid insulation medium after being singly or combined, and the surface of the module which can be touched by people is coated with a conductive or semi-conductive shielding layer and can be directly and reliably grounded

Due to small problems in design, manufacture, installation, operation and maintenance, the danger of fire or even explosion inside the solid insulation ring main unit can occur sometimes, most of the accidents occur at voltage levels of 10kV and above, the consequences are serious, particularly, the automobile switch cabinet has high insulation accident rate, the frequent accidents can influence peripheral equipment, if the ring main unit has internal fire, the fire is extinguished from the discovery to the on-site, time is consumed, the fire is difficult to control, high temperature and toxic gas are generated, and the harm of explosion of part of internal equipment threatens fire extinguishers, and the operation risk is high.

Therefore, the solid insulation ring main unit is designed to overcome the technical defects, so that the overall practicability is improved, and the solid insulation ring main unit is very important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a solid insulation ring main unit to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a solid insulation looped netowrk cabinet, includes the cabinet body, the front of the cabinet body is provided with control panel, the heat dissipation window has evenly been seted up in the front of the cabinet body and the below that is located control panel, the equal fixedly connected with iron wire of bolt separates the net in the left and right sides of the internal portion of cabinet, the iron wire separates the inboard of net and is provided with places the baffle, the right side of the internal portion of cabinet and the top that is located to place the baffle are provided with temperature sensor, the left and right sides of the cabinet body all is provided with the one-level mechanism of putting out a fire, the top of the internal side of cabinet is provided with the second grade mechanism of putting out a fire.

As a preferable scheme of the utility model, both ends of the placing partition plate are fixedly connected with the iron wire separation net through the bracket, through holes are uniformly formed in the top of the placing partition plate, the temperature sensor is connected with the control panel through a wire, and the connecting mode is electrical connection.

According to a preferable scheme of the utility model, the primary fire extinguishing mechanism comprises a fire extinguisher bracket and a fire extinguisher, the fire extinguisher is placed inside the fire extinguisher bracket, the spraying end of the fire extinguisher is connected with a main fire extinguishing pipe, the outer side of the main fire extinguishing pipe is connected with an electric control valve, one side of the main fire extinguishing pipe facing the cabinet body is connected with a plurality of groups of fire extinguishing branch pipes which are uniformly distributed in a communicated state, and one ends of the fire extinguishing branch pipes, far away from the main fire extinguishing pipe, penetrate through the outer side of the cabinet body and extend to the inner side of the cabinet body to be connected with a spray nozzle.

As the preferable scheme of the utility model, two groups of fire extinguisher supports are arranged and are respectively and fixedly connected with the bottoms of the left side and the right side of the cabinet body through bolts.

As a preferable scheme of the present invention, the electric control valve is connected to the control panel through a wire, and the connection mode is an electrical connection.

According to the preferable scheme of the utility model, the secondary fire extinguishing mechanism comprises a fixed support and a hot-melt protective film, the fixed support is respectively and fixedly connected to the top ends of the left side and the right side of the inside of the cabinet body through bolts, the hot-melt protective film is arranged on the inner side of the fixed support, a plurality of groups of dry powder fire extinguishing balls which are tightly attached are arranged in the cabinet body and positioned at the top of the hot-melt protective film, and hot-melt coats are wrapped on the outer sides of the dry powder fire extinguishing balls.

In a preferred embodiment of the present invention, the hot-melt protective film and the hot-melt outer coat are both made of PA polymer particles.

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

1. according to the solid insulation ring main unit, when fire breaks out in the ring main unit, fire extinguishing measures can be effectively taken in the ring main unit through the primary fire extinguishing mechanism and the secondary fire extinguishing mechanism, so that the time for fire extinguishing is obtained, the situation that the fire is difficult to control is avoided, and high temperature and toxic gas are prevented from being generated.

2. According to the solid insulation ring main unit, when fire breaks out inside the ring main unit, the temperature sensor can be triggered and the electric control valve is opened at high temperature which rises instantly, so that heptafluoropropane inside the fire extinguisher is discharged from the air outlet end of the fire extinguisher, oxygen in the ring main unit is rapidly discharged through the fire extinguishing main pipe and the fire extinguishing branch pipe, and the fire occurrence part is cooled, so that the fire extinguishing purpose is achieved.

3. According to the solid insulation ring main unit, after fire breaks out in the ring main unit, the hot melt protective film can be melted or scratched due to the instantly rising high temperature of the ring main unit, so that the dry powder fire extinguishing ball in the hot melt protective film quickly falls down to extinguish flame and reduce the temperature in the ring main unit, the hot melt outer coat wrapped outside the dry powder fire extinguishing ball can effectively prevent the dry powder from caking due to moisture when the dry powder fire extinguishing ball is not used, and the service life of the device is prolonged.

Drawings

FIG. 1 is a plan view of the overall structure of the present invention;

FIG. 2 is an internal view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure A of the present invention.

In the figure: 1. a cabinet body; 2. a control panel; 3. a heat dissipation window; 4. an iron wire separation net; 5. placing a partition plate; 6. a temperature sensor; 7. a first-stage fire extinguishing mechanism; 701. a fire extinguisher bracket; 702. a fire extinguisher; 703. a fire extinguishing main pipe; 704. an electrically controlled valve; 705. a fire extinguishing branch pipe; 706. a spray head; 8. a secondary fire extinguishing mechanism; 801. fixing a bracket; 802. hot melting the protective film; 803. dry powder fire extinguishing ball; 804. and (4) hot-melting the coat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a solid insulation looped netowrk cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body 1, the front of the cabinet body 1 is provided with control panel 2, heat dissipation window 3 has evenly been seted up in the front of the cabinet body 1 and the below that is located control panel 2, the left and right sides of the internal portion of cabinet separates net 4 through the equal fixedly connected with iron wire of bolt, the iron wire separates the inboard of net 4 and is provided with places baffle 5, the right side of the internal portion of cabinet and the top that is located to place baffle 5 are provided with temperature sensor 6, the left and right sides of the cabinet body 1 all is provided with one-level fire extinguishing mechanism 7, the top of the internal side of cabinet is provided with second grade fire extinguishing mechanism 8, the both ends of placing baffle 5 all separate net 4 fixed connection through support and iron wire, the through-hole has evenly been seted up at the top of placing baffle 5, be connected through the wire between temperature sensor 6 and the control panel 2, and the mode of connecting be electric connection.

In an embodiment, referring to fig. 1 and 2, the primary fire extinguishing mechanism 7 includes a fire extinguisher bracket 701 and a fire extinguisher 702, the fire extinguisher 702 is disposed inside the fire extinguisher bracket 701, a main fire extinguishing pipe 703 is connected to a spraying end of the fire extinguisher 702, an electrically controlled valve 704 is connected to an outer side of the main fire extinguishing pipe 703, a plurality of groups of evenly distributed fire extinguishing branch pipes 705 are connected to one side of the main fire extinguishing pipe 703 facing the cabinet 1 in a communicating state, a nozzle 706 is connected to one end of the fire extinguishing branch pipe 705 far away from the main fire extinguishing pipe 703, the fire extinguishing branch pipes 701 are disposed in two groups and fixedly connected to bottoms of left and right sides of the cabinet 1 by bolts, the electrically controlled valve 704 is connected to the control panel 2 by wires in an electrical connection manner, heptafluoropropane inside the fire extinguisher 702 is discharged from an air outlet end of the fire extinguisher 702, and oxygen in the ring main fire extinguishing pipe 703 and the fire extinguishing branch pipes 705 is rapidly discharged, The heptafluoropropane is in a gaseous state at normal temperature, colorless and tasteless, non-conductive, non-corrosive and free of environmental protection limitation, effectively avoids the harm of explosion of internal equipment, and improves the safety performance of the ring main unit.

In an embodiment, referring to fig. 2 and fig. 3, the secondary fire extinguishing mechanism 8 includes a fixing bracket 801 and a hot-melt protective film 802, the fixing bracket 801 is respectively and fixedly connected to the top ends of the left and right sides inside the cabinet body 1 through bolts, the inner side of the fixing bracket 801 is provided with the hot-melt protective film 802, a plurality of groups of dry powder fire extinguishing balls 803 which are tightly attached to each other are arranged inside the cabinet body 1 and on the top of the hot-melt protective film 802, the outer side of the dry powder fire extinguishing balls 803 is wrapped with a hot-melt coat 804, the hot-melt protective film 802 and the hot-melt coat 804 are made of PA polymer particles, the hot-melt protective film 802 can be melted or scratched by a continuously rising high temperature, so that the dry powder fire extinguishing balls 803 in the hot-melt protective film 802 can rapidly fall down to extinguish flames and reduce the temperature inside the ring main unit, the hot melting coat 804 wrapped outside the dry powder fire extinguishing ball 803 can effectively prevent the dry powder from caking when wet when not in use, and the service life of the device is prolonged.

The working process of the utility model is as follows: when in use, after fire happens inside the ring main unit, the temperature sensor 6 is triggered by the high temperature which rises instantly, and one temperature sensor 6 is arranged above the placing partition plate 5, so as to ensure that the fire cannot be missed, then the electric control valve 704 is opened through the control panel 2, so that heptafluoropropane inside the fire extinguisher 702 is discharged from the air outlet end of the fire extinguisher 702, oxygen in the ring main unit is rapidly discharged through the fire extinguishing main pipe 703 and the fire extinguishing branch pipe 705, and the fire occurrence part is cooled, thereby achieving the purpose of fire extinguishing, the heptafluoropropane is gaseous at normal temperature, is colorless, odorless, non-conductive, non-corrosive, free of environmental protection limitation, effectively avoids the harm of explosion of internal equipment, improves the safety performance of the ring main unit, and the high temperature which continuously rises can melt or scratch the hot melt protective film 802, so that the dry powder fire extinguishing ball 803 in the hot melt protective film 802 falls down to extinguish flame and reduce the temperature inside the ring main unit, and the hot melt coat 804 of the outer parcel of dry powder fire extinguishing ball 803 can effectively prevent the dry powder from meeting the problem of wet caking when not using, has improved the life-span that the ware used, puts out a fire through one-level mechanism 7 and second grade mechanism 8 of putting out a fire and can effectually take the measure of putting out a fire to looped netowrk cabinet inside, has striven for the time of putting out a fire, has avoided the condition that the intensity of a fire is difficult to control to take place, and has also prevented the production of high temperature and poisonous gas.

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. The utility model provides a solid insulation looped netowrk cabinet, includes cabinet body (1), its characterized in that: the front of the cabinet body (1) is provided with control panel (2), heat dissipation window (3) have evenly been seted up in the front of the cabinet body (1) and the below that is located control panel (2), the equal fixedly connected with iron wire of bolt separates net (4) in the left and right sides of the cabinet body (1) inside, the iron wire separates the inboard of net (4) and is provided with places baffle (5), the right side of the cabinet body (1) inside and the top that is located to place baffle (5) are provided with temperature sensor (6), the left and right sides of the cabinet body (1) all is provided with one-level fire extinguishing mechanism (7), the inboard top of the cabinet body (1) is provided with second grade fire extinguishing mechanism (8).

2. The solid insulation ring main unit as claimed in claim 1, wherein: the both ends of placing baffle (5) all separate net (4) fixed connection through support and iron wire, the through-hole has evenly been seted up at the top of placing baffle (5), be connected through the wire between temperature sensor (6) and control panel (2), and the mode of connecting is electric connection.

3. The solid insulation ring main unit as claimed in claim 1, wherein: one-level fire extinguishing mechanism (7) are including fire extinguisher bracket (701) and fire extinguisher (702), place the inside at fire extinguisher bracket (701) fire extinguisher (702), the blowout end of fire extinguisher (702) is connected with the main pipe (703) of putting out a fire, the outside of the main pipe (703) of putting out a fire is connected with automatically controlled valve (704), the main pipe (703) of putting out a fire is the intercommunication state towards one side of the cabinet body (1) and is connected with the even branch pipe (705) of putting out a fire of multiunit distribution, the inboard that the one end that the main pipe (703) of putting out a fire was kept away from in the branch pipe (705) of putting out a fire runs through the outside of the cabinet body (1) and extends to the cabinet body (1) is connected with shower nozzle (706).

4. The solid insulation ring main unit as claimed in claim 3, wherein: the fire extinguisher supports (701) are provided with two groups and are respectively and fixedly connected to the bottoms of the left side and the right side of the cabinet body (1) through bolts.

5. The solid insulation ring main unit as claimed in claim 3, wherein: the electric control valve (704) is connected with the control panel (2) through a lead in an electric connection mode.

6. The solid insulation ring main unit as claimed in claim 1, wherein: second grade fire extinguishing mechanism (8) are including fixed bolster (801) and hot melt protection film (802), fixed bolster (801) are fixed connection respectively on the top of the inside left and right sides of the cabinet body (1) through the bolt, the inboard of fixed bolster (801) is provided with hot melt protection film (802), the inside of the cabinet body (1) and the top that is located hot melt protection film (802) are provided with the dry powder fire extinguishing ball (803) that the multiunit closely laminated, the outside parcel of dry powder fire extinguishing ball (803) has hot melt coat (804).

7. The solid insulation ring main unit as claimed in claim 6, wherein: the hot-melt protective film (802) and the hot-melt coat (804) are both processed from PA polymer particles.