CN212935319U

CN212935319U - Ring main unit convenient to combine and fix

Info

Publication number: CN212935319U
Application number: CN202021427902.0U
Authority: CN
Inventors: 朱中奇; 朱文良
Original assignee: Xuzhou Zhongtai Electric Co ltd
Current assignee: Xuzhou Zhongtai Electric Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-04-09
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a convenient combination fixed looped netowrk cabinet, including main cabinet, second bolt and heat dissipation channel, main cabinet right side is provided with middle cabinet, and the right-hand vice cabinet that is provided with of middle cabinet, middle cabinet sets up between main cabinet and vice cabinet, main cabinet right side and middle cabinet right side all are provided with first ring flange, and middle cabinet left side and vice cabinet left side all are provided with the second ring flange. This convenient combination fixed looped netowrk cabinet, be provided with first ring flange, second ring flange and seal ring, rotate the second bolt, make the outer lane board on the main cabinet and the inner circle board connection fastening of middle cashier's office in a shop, first ring flange and the laminating setting of second ring flange this moment, the cooperation of first bolt and nut makes first ring flange and second ring flange connection fastening, seal ring between first ring flange and the second ring flange plays sealed effect, the same reason, install different middle cabinets between main cabinet and the vice cabinet, be convenient for satisfy the operation requirement at different load centers, it has the practicality to use more.

Description

Ring main unit convenient to combine and fix

Technical Field

The utility model relates to a looped netowrk cabinet technical field specifically is a convenient combination fixed looped netowrk cabinet.

Background

The high-voltage switch cabinets are matched with the buses to form an annular main line, and the high-voltage switch cabinet in the annular main line is called a ring main unit at the moment, so that the ring main unit is widely applied to load centers of residential districts, high-rise buildings, factories and the like due to the advantages of simple structure, low price, power supply safety and the like.

In order to obtain higher safety, part looped netowrk cabinet adopts sealed design, simultaneously fill inert gas in inside, inside when preventing the looped netowrk cabinet from taking place the accident is on fire, but this kind of design makes the inside air circulation nature of looped netowrk cabinet poor, be difficult to exchange heat with the external world, very big reduction the radiating effect of looped netowrk cabinet, and current looped netowrk cabinet is in order to obtain good gas tightness, generally through welding into whole after buckling, but because the power consumption condition at each load center differs, consequently the combination quantity of high tension switchgear and the load size of every high tension switchgear change along with the load center, make current looped netowrk cabinet be difficult to match completely with the in-service use demand, cause the waste on the looped netowrk cabinet performance, to above-mentioned problem, need improve existing equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient combination fixed looped netowrk cabinet, in order to solve the partial looped netowrk cabinet that proposes in the above-mentioned background art, adopt sealed design, simultaneously in inside filling inert gas, prevent that the looped netowrk cabinet from taking place the accident when inside is on fire, but this kind of design makes the inside air circulation nature of looped netowrk cabinet poor, be difficult to exchange the heat with the external world, very big reduction the radiating effect of looped netowrk cabinet, and current looped netowrk cabinet is for obtaining good gas tightness, generally through welding into whole after buckling, nevertheless because the power consumption condition at each load center differs, consequently, the combination quantity of high tension switchgear and the load size of every high tension switchgear change along with the load center, make current looped netowrk cabinet be difficult to match completely with the in-service use demand, cause the extravagant problem on the looped netowrk cabinet performance.

In order to achieve the above object, the utility model provides a following technical scheme: a ring main unit convenient to combine and fix comprises a main unit, a second bolt and a heat dissipation channel, wherein a middle unit is arranged on the right side of the main unit, an auxiliary unit is arranged on the right side of the middle unit, the middle unit is arranged between the main unit and the auxiliary unit, a first flange is arranged on each of the right side of the main unit and the right side of the middle unit, second flanges are arranged on each of the left side of the middle unit and the left side of the auxiliary unit, vent holes are formed in the middle of the first flange and the middle of the second flange, the first flange and the second flange are connected with each other through the first bolt and a nut in a matching manner, outer ring plates are arranged on each of the right side of the main unit and the right side of the middle unit, inner ring plates are arranged on each of the left side of the middle unit and the left side of the auxiliary unit, the second bolt penetrates through the outer ring plates and is in threaded connection with the inner ring plates, the outer, an air inlet is formed in the rear side of the auxiliary cabinet, and radiating fins penetrate through the inside of the radiating channel.

Preferably, a heat dissipation channel is arranged at the rear of the middle cabinet, and the left end and the right end of the heat dissipation channel are respectively communicated with the air outlet and the air inlet.

Preferably, the right end of the first flange plate is attached to the left end of the second flange plate, and the first flange plate and the second flange plate are in sealing connection through a sealing gasket.

Preferably, a sealing gasket is arranged on the right side of the first flange plate, and the sealing gasket is arranged on the outer side of the first bolt.

Preferably, the inner wall of the outer ring plate is attached to the outer end of the inner ring plate, and the inner ring plate is arranged on the outer sides of the first flange plate and the second flange plate.

Preferably, the heat dissipation fins are uniformly arranged on the rear side of the heat dissipation channel.

Compared with the prior art, the beneficial effects of the utility model are that: the ring main unit which is convenient to combine and fix,

(1) the first flange plate, the second flange plate and the sealing washer are arranged, the second bolt is rotated to enable the outer ring plate on the main cabinet to be connected and fastened with the inner ring plate on the middle cabinet, the first flange plate and the second flange plate are arranged in a laminating mode at the moment, the first flange plate and the second flange plate are connected and fastened through the first bolt and the nut in a matched mode, the sealing washer between the first flange plate and the second flange plate plays a sealing role, and similarly, different middle cabinets are arranged between the main cabinet and the auxiliary cabinet, so that the use requirements of different load centers are met conveniently, and the use is more practical;

(2) be provided with heat dissipation channel and radiating fin, the air admission heat dissipation channel in the exhaust fan passes through the gas outlet extraction main cabinet, and the air in the heat dissipation channel gets into vice cabinet through the air inlet under the effect of pressure, makes the air get back to main cabinet through gas outlet, heat dissipation channel, air inlet, vice cabinet, middle cabinet in proper order, and radiating fin increase in the heat dissipation channel and the area of contact of air have improved the radiating effect of looped netowrk cabinet.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the left side view of the cross-section of the present invention;

FIG. 3 is a schematic diagram of the right side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the main cabinet, 2, middle cabinet, 3, auxiliary cabinet, 4, first flange, 5, second flange, 6, vent, 7, first bolt, 8, nut, 9, seal ring, 10, outer race plate, 11, inner race plate, 12, second bolt, 13, gas outlet, 14, air inlet, 15, heat dissipation channel, 16, radiating fin, 17, exhaust fan.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a ring main unit convenient to combine and fix is disclosed, as shown in figure 1, figure 3 and figure 5, a middle cabinet 2 is arranged on the right side of a main cabinet 1, an auxiliary cabinet 3 is arranged on the right side of the middle cabinet 2, a heat dissipation channel 15 is arranged behind the middle cabinet 2, the left end and the right end of the heat dissipation channel 15 are respectively communicated with an air outlet 13 and an air inlet 14, so that air passes through the air outlet 13, the heat dissipation channel 15, the air inlet 14, the auxiliary cabinet 3, the middle cabinet 2 and the main cabinet 1 to form an annular channel, an exhaust fan 17 is convenient to drive the air to flow, the middle cabinet 2 is arranged between the main cabinet 1 and the auxiliary cabinet 3, a first flange 4 is arranged on the right side of the main cabinet 1 and the right side of the middle cabinet 2, a second flange 5 is arranged on the left side of the middle cabinet 2 and the left side of the auxiliary cabinet 3, the right end of the first flange 4 is attached to the left end, prevent the inert gas filled in the main cabinet 1, the middle cabinet 2 and the auxiliary cabinet 3 from leaking, the right side of the first flange plate 4 is provided with a sealing washer 9, the sealing washer 9 is arranged at the outer side of the first bolt 7, the first bolt 7 is required to penetrate through the first flange plate 4 and the second flange plate 5 when being connected with the nut 8, the inert gas is prevented from easily leaking through the gap at the joint of the first bolt 7 and the first flange plate 4 as well as the second flange plate 5, the middle parts of the first flange plate 4 and the second flange plate 5 are respectively provided with a vent 6, the first flange plate 4 and the second flange plate 5 are matched and connected with the nut 8 through the first bolt 7, the right side of the main cabinet 1 and the right side of the middle cabinet 2 are respectively provided with an outer ring plate 10, the left side of the middle cabinet 2 and the left side of the auxiliary cabinet 3 are respectively provided with an inner ring plate 11, the inner wall of the outer ring plate 10 is attached to the outer end of the inner, the connection between the main cabinet 1 and the middle cabinet 2, between two adjacent middle cabinets 2, and between the middle cabinet 2 and the auxiliary cabinet 3 is more fastened, the second bolt 12 penetrates through the outer ring plate 10 and is in threaded connection with the inner ring plate 11, and the outer ring plate 10 is arranged on the outer side of the inner ring plate 11.

As shown in fig. 1, 2 and 4, an air outlet 13 is formed in the rear side of the main cabinet 1, an exhaust fan 17 is arranged inside the air outlet 13, an air inlet 14 is formed in the rear side of the auxiliary cabinet 3, a heat dissipation channel 15 is internally provided with heat dissipation fins 16 in a penetrating manner, the heat dissipation fins 16 are uniformly arranged on the rear side of the heat dissipation channel 15, the contact area between the heat dissipation fins and air is increased, and the heat dissipation effect is improved.

The working principle is as follows: when the ring main unit convenient to combine and fix is used, firstly, a main cabinet 1, an intermediate cabinet 2 and an auxiliary cabinet 3 which are suitable are selected according to the specific application requirements of a load center, an inner ring plate 11 on the intermediate cabinet 2 is sleeved on the inner side of an outer ring plate 10 on the main cabinet 1, a second bolt 12 is rotated to enable the inner ring plate 11 on the intermediate cabinet 2 to be connected and fastened with the outer ring plate 10 on the main cabinet 1, a first bolt 7 is rotated, the first bolt 7 penetrates through a second flange 5 on the intermediate cabinet 2 and a first flange 4 on the main cabinet 1 to be connected with a nut 8, a second flange 5 on the intermediate cabinet 2 is connected and fastened with the first flange 4 on the main cabinet 1, meanwhile, a sealing ring 9 between the second flange 5 on the intermediate cabinet 2 and the first flange 4 on the main cabinet 1 plays a sealing role, inert gas is prevented from leaking through a gap at a connecting part, and simultaneously, the main cabinet 1 is enabled to be connected and fastened, A plurality of intermediate cabinets 2 and auxiliary cabinets 3 are spliced to form a required ring main unit, inert gas is filled into the auxiliary cabinets 3, when the ring main unit is used, an external power supply is switched on, the exhaust fan 17 is started, the exhaust fan 17 extracts air in the main unit 1 and enters the heat dissipation channel 15 through the air outlet 13, air in the heat dissipation channel 15 enters the auxiliary unit 3 through the air inlet 14 under the action of pressure, air in the auxiliary unit 3 enters the middle unit 2 through the air vent 6, and similarly, the air in the middle unit 2 sequentially moves until the air returns to the inside of the main unit 1, so that the air circularly flows, and the air fluidity in the ring main unit is improved, meanwhile, the heat dissipation fins 16 in the heat dissipation channel 15 increase the contact area with the air, improve the heat dissipation effect of the ring main unit, this completes the work and is not described in detail in this specification as it is well known in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a convenient combination fixed looped netowrk cabinet, includes main cabinet (1), second bolt (12) and heat dissipation channel (15), its characterized in that: the right side of the main cabinet (1) is provided with a middle cabinet (2), the right side of the middle cabinet (2) is provided with an auxiliary cabinet (3), the middle cabinet (2) is arranged between the main cabinet (1) and the auxiliary cabinet (3), the right side of the main cabinet (1) and the right side of the middle cabinet (2) are both provided with a first flange (4), the left side of the middle cabinet (2) and the left side of the auxiliary cabinet (3) are both provided with a second flange (5), the middle parts of the first flange (4) and the second flange (5) are both provided with vent holes (6), the first flange (4) and the second flange (5) are connected with nuts (8) in a matching way through first bolts (7), the right side of the main cabinet (1) and the right side of the middle cabinet (2) are both provided with an outer ring plate (10), the left side of the middle cabinet (2) and the left side of the auxiliary cabinet (3) are both provided with an inner ring plate (11), and the second bolts (12) penetrate through the outer ring plate (10) and are in, and outer lane board (10) set up in inner lane board (11) outside, main cabinet (1) rear side is opened and is equipped with gas outlet (13), and gas outlet (13) inside is provided with exhaust fan (17), vice cabinet (3) rear side is opened and is equipped with air inlet (14), radiating channel (15) inside is run through has radiating fin (16).

2. The ring main unit convenient to combine and fix according to claim 1, wherein: a heat dissipation channel (15) is arranged behind the middle cabinet (2), and the left end and the right end of the heat dissipation channel (15) are respectively communicated with the air outlet (13) and the air inlet (14).

3. The ring main unit convenient to combine and fix according to claim 1, wherein: the right end of the first flange plate (4) is attached to the left end of the second flange plate (5), and the first flange plate (4) is in sealing connection with the second flange plate (5) through a sealing gasket (9).

4. The ring main unit convenient to combine and fix according to claim 1, wherein: and a sealing gasket (9) is arranged on the right side of the first flange plate (4), and the sealing gasket (9) is arranged on the outer side of the first bolt (7).

5. The ring main unit convenient to combine and fix according to claim 1, wherein: the outer ring plate (10) is attached to the outer end of the inner ring plate (11), and the inner ring plate (11) is arranged on the outer sides of the first flange plate (4) and the second flange plate (5).

6. The ring main unit convenient to combine and fix according to claim 1, wherein: the radiating fins (16) are uniformly arranged on the rear side of the radiating channel (15).