CN114725820A - Box type alternating current metal closed ring network switch equipment - Google Patents

Abstract

One or more embodiments of this specification provide a box-type AC metal-enclosed ring network switchgear, comprising: a box body, a top end of the box body is inlaid with a connecting head, and a copper column is welded at the bottom end of the connecting head , the bottom end of the copper column is electrically connected to the center frame through a sulfur hexafluoride switch, the bottom end of the center frame is fixedly installed with the fuse bracket through two connecting frames, and the bottom end of the bracket is fused The bottom frame is threadedly installed with a bottom frame, and the bottom frame is provided with a wiring port on one side corresponding to the outer periphery; effective connection is carried out through the connecting end, and the sulfur hexafluoride switch is used during use, and the realization is realized during use. The control effect during use is achieved, wherein the effect of heat dissipation and fixing is achieved through the setting of the ceramic collar when used for a long time, and the effect of protection and fixing during use is achieved through the setting of the protective ceramic frame.

Description

A box-type AC metal-enclosed ring network switchgear

technical field

One or more embodiments of this specification relate to the technical field of closed network switches, and in particular, to a box-type AC metal enclosed ring network switchgear.

Background technique

Ring network cabinet is a group of high-voltage switchgear installed in steel metal cabinets or electrical equipment made of assembled spaced ring network power supply units. Improve power supply parameters and performance as well as power supply security and other advantages. It is widely used in distribution stations and box-type substations in load centers such as urban residential quarters, high-rise buildings, large public buildings, factories and enterprises.

The ring main unit is generally divided into two types: air insulation and SF6 insulation, which are used for dividing and closing load current, breaking short-circuit current and transformer no-load current, charging current of overhead lines and cable lines at a certain distance, and playing the role of control and protection. Important switchgear for mains power supply and terminal power supply. In the cabinet, the load switches equipped with air insulation mainly include gas-generating type, compressed air type, and vacuum type, and the load switch equipped with SF6 insulation is SF6 type. Since the SF6 gas is enclosed in the shell, the partitions formed by it are invisible. The load switch in the ring network cabinet generally requires three positions, that is, the load is cut off, the circuit is isolated, and it can be reliably grounded. Gas-producing, air-compressing and SF6-type load switches are easy to achieve three-station, and the vacuum interrupter can only be interrupted, but not isolated, so the general vacuum load ring network switchgear adds an isolation switch before the load switch to Form an isolation fracture.

The structure of the ring network switch in the prior art cannot achieve its effective heat dissipation effect during use, and the structure is directly under the bottom surface during use, and the effect of isolating water vapor during use often cannot be achieved during use.

SUMMARY OF THE INVENTION

In view of this, the purpose of one or more embodiments of this specification is to propose a box-type AC metal-enclosed ring network switchgear to solve the problem.

Based on the above purpose, one or more embodiments of the present specification provide a box-type AC metal-enclosed ring network switchgear, comprising: a box body, a connector head is inlaid at the top of the box body, and a bottom end of the connector head A copper column is welded at the place, the bottom end of the copper column is electrically connected with the center frame through a sulfur hexafluoride switch, and the bottom end of the center frame is fixedly installed with the fuse bracket through two connecting frames. A bottom frame is threadedly installed at the bottom end of the fuse bracket, and a wiring port is provided on one side of the bottom frame corresponding to the periphery.

A fuse is fixedly installed between the two connecting frames, and a center ring is fixedly welded on the periphery of the middle of the fuse.

One side of the box body is inlaid with a lock hole, and one side of the front side of the box body is fixedly installed with a door panel through two hinges, and a wiring port is inlaid at the corresponding wiring port on the door panel. The door panel is inlaid with tempered glass.

The outer periphery of the sulfur hexafluoride switch is inlaid with an isolation cover, and isolation plates are respectively inlaid between the corresponding sulfur hexafluoride switches in the isolation cover, and the isolation cover is in a vacuum environment.

Preferably, the box body further comprises: an air outlet, a fan and a sponge pad, both sides of the box body are inlaid with an air outlet near the bottom end, the air outlet is inlaid with a fan, and one end of the fan is inlaid. The main body and the interior are communicated with each other, and the other end of the fan is inlaid with a sponge pad.

Preferably, the box body further comprises: a threaded fixing piece and a gasket, a threaded fixing piece is threadedly mounted on the box body above the connecting head, and a sealing gasket is pasted on the lower surface of the threaded fixing piece.

Preferably, the box body further comprises: a bottom frame and a bracket, a bottom frame is welded on both sides of the outer periphery of the box body, and a bracket is welded at one end of the bottom frame.

Preferably, the bracket further comprises: bolts, bolts are threadedly installed at the bottom end of the bracket, a bottom frame is welded at the bottom end of the bolt, and a non-slip pad is pasted on the lower surface of the bottom frame.

Preferably, the copper column further comprises: a protective ceramic frame, and a protective ceramic frame is fixedly welded on the periphery of the copper column.

Preferably, the copper column further comprises: a mounting frame, and the mounting frame is welded between the protective ceramic frames.

Preferably, the copper column further comprises: a ceramic collar, and the copper outer periphery above the protective ceramic frame is welded with the ceramic collar.

It can be seen from the above that one or more embodiments of this specification provide a box-type AC metal-enclosed ring network switchgear, which can be effectively connected through the connection terminal, and wherein the The sulfur fluoride switch realizes its control effect when in use, and in which the fuse and its structure are combined in use to realize its protective effect when in use, wherein, when used for a long time, the effect of the ceramic collar is passed through. It is set to achieve the effect of heat dissipation and fixation, and through the setting of the protective ceramic frame, the effect of protection and fixation during use is achieved.

Description of drawings

In order to more clearly illustrate one or more embodiments of the present specification or the technical solutions in the prior art, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, in the following description The accompanying drawings are only one or more embodiments of the present specification, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the overall front sectional structure schematic diagram of the present invention;

FIG. 2 is a schematic view of the enlarged structure of the region of FIG. 1A of the present invention;

FIG. 3 is a schematic diagram of the overall front structure of the present invention.

In the figure: 1-box body; 11-lock hole; 12-threaded fastener; 13-gasket; 14-connection end; 15-air outlet; 16-fan; 17-sponge pad; 2-underframe; 21 -Bracket; 22-Anti-skid pad; 23-Bolt; 24-Bottom frame; 3-Bottom frame; 31-Connection port; 32-Fuse; 33-Fuse; ;41-isolation plate;42-sulfur hexafluoride switch;43-mounting frame;44-protective ceramic frame;45-copper column;46-ceramic collar;5-door panel;51-tempered glass;52-hinge; 53 - Wiring port.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below with reference to the specific embodiments and the accompanying drawings.

It should be noted that, unless otherwise defined, the technical or scientific terms used in one or more embodiments of the present specification shall have the usual meanings understood by those with ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and similar terms used in one or more embodiments of this specification do not denote any order, quantity, or importance, but are merely used to distinguish the various components. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Example 1:

Please refer to FIG. 1, FIG. 2 and FIG. 3 in conjunction, wherein, FIG. 1 is a schematic diagram of the overall front sectional structure of the present invention; FIG. 2 is a schematic diagram of the enlarged structure of the area of FIG. 1A of the present invention; FIG. 3 is the overall front view structure of the present invention. Schematic diagram; a box-type AC metal-enclosed ring network switchgear specifically described includes: a box body 1, the top of the box body 1 is inlaid with a connector 14, and the bottom end of the connector 14 is welded with copper The column 45, the bottom end of the copper column 45 is electrically connected with the center frame 34 through the sulfur hexafluoride switch 42, and the bottom end of the center frame 34 is fixedly installed with the fuse bracket 32 through two connecting frames 35, A bottom frame 3 is threadedly mounted on the bottom end of the bracket 32 of the fuse, and a wiring port 31 is provided on one side of the bottom frame 3 corresponding to the outer periphery.

A fuse 33 is fixedly installed between the two connecting frames 35 , and a center ring 34 is fixedly welded on the periphery of the middle of the fuse 33 .

Among them, the center ring 34 is set during use to facilitate its supporting effect.

One side of the box body 1 is inlaid with the lock hole 11, the front side of the box body 1 is fixedly installed with a door panel 5 through two hinges 52, and the door panel 5 is inlaid with a wiring port corresponding to the wiring port 31. 53, the door panel 5 above the wiring port 53 is inlaid with tempered glass 51.

Among them, when in use, it is convenient to observe the internal situation through the door panel 5 and the tempered glass 51 .

An isolation cover 4 is embedded in the periphery of the sulfur hexafluoride switch 42 , and isolation plates 41 are respectively inlaid between the corresponding sulfur hexafluoride switches 42 in the isolation cover 4 , and the isolation cover 4 is in a vacuum environment.

Among them, the effect of effectively isolating and isolating air is achieved during use.

The box body 1 further comprises: an air outlet 15, a fan 16 and a sponge pad 17, the air outlet 15 is inlaid on both sides of the box body 1 near the bottom end, and the fan 16 is inlaid in the air outlet 15. One end of the fan 16 penetrates through the main body 1 and communicates with each other inside, and the other end of the fan 16 is inlaid with a sponge pad 17 .

Among them, through the air exhaust port 15 and the fan 16 in use, in conjunction with the sponge pad 17, the air is effectively exhausted during use to achieve the effect of internal cooling.

The box body 1 further includes: a threaded fixing member 12 and a sealing gasket 13 , a threaded fixing member 12 is threadedly installed on the box body 1 above the connecting head 14 , and the lower surface of the threaded fixing member 12 is pasted with a threaded fixing member 12 . Gasket 13.

Wherein, when the gasket 13 is used in cooperation with the threaded fixing member 12, the effect of fixing and sealing is greatly achieved during use.

Embodiment 2:

Please refer to FIG. 1, FIG. 2 and FIG. 3 in conjunction, wherein, FIG. 1 is a schematic diagram of the overall front sectional structure of the present invention; FIG. 2 is a schematic diagram of the enlarged structure of the area of FIG. 1A of the present invention; FIG. 3 is the overall front view structure of the present invention. Schematic diagram; a box-type AC metal-enclosed ring network switchgear specifically described includes: a box body 1, the top of the box body 1 is inlaid with a connector 14, and the bottom end of the connector 14 is welded with copper The column 45, the bottom end of the copper column 45 is electrically connected with the center frame 34 through the sulfur hexafluoride switch 42, and the bottom end of the center frame 34 is fixedly installed with the fuse bracket 32 through two connecting frames 35, A bottom frame 3 is threadedly mounted on the bottom end of the bracket 32 of the fuse, and a wiring port 31 is provided on one side of the bottom frame 3 corresponding to the outer periphery.

A fuse 33 is fixedly installed between the two connecting frames 35 , and a center ring 34 is fixedly welded on the periphery of the middle of the fuse 33 .

Among them, the center ring 34 is set during use to facilitate its supporting effect.

One side of the box body 1 is inlaid with the lock hole 11, the front side of the box body 1 is fixedly installed with a door panel 5 through two hinges 52, and the door panel 5 is inlaid with a wiring port corresponding to the wiring port 31. 53, the door panel 5 above the wiring port 53 is inlaid with tempered glass 51.

Among them, when in use, it is convenient to observe the internal situation through the door panel 5 and the tempered glass 51 .

An isolation cover 4 is embedded in the periphery of the sulfur hexafluoride switch 42 , and isolation plates 41 are respectively inlaid between the corresponding sulfur hexafluoride switches 42 in the isolation cover 4 , and the isolation cover 4 is in a vacuum environment.

Among them, the effect of effectively isolating and isolating air is achieved during use.

The box body 1 further comprises: an air outlet 15, a fan 16 and a sponge pad 17, the air outlet 15 is inlaid on both sides of the box body 1 near the bottom end, and the fan 16 is inlaid in the air outlet 15. One end of the fan 16 penetrates through the main body 1 and communicates with each other inside, and the other end of the fan 16 is inlaid with a sponge pad 17 .

Among them, through the air exhaust port 15 and the fan 16 in use, in conjunction with the sponge pad 17, the air is effectively exhausted during use to achieve the effect of internal cooling.

The box body 1 further includes: a threaded fixing member 12 and a sealing gasket 13 , a threaded fixing member 12 is threadedly installed on the box body 1 above the connecting head 14 , and the lower surface of the threaded fixing member 12 is pasted with a threaded fixing member 12 . Gasket 13.

Wherein, when the gasket 13 is used in cooperation with the threaded fixing member 12, the effect of fixing and sealing is greatly achieved during use.

The box body 1 further includes: a bottom frame 2 and a bracket 21 , the bottom frame 2 is welded on both sides of the outer periphery of the box body 1 , and a bracket 21 is welded on one end of the bottom frame 2 .

Wherein, when in use, through the bottom frame 2 to cooperate with the bracket 21, in use, the supporting effect in use is realized.

The bracket 21 further includes: a bolt 23, the bottom end of the bracket 21 is threadedly mounted with the bolt 23, the bottom end of the bolt 23 is welded with a chassis 24, and the bottom surface of the chassis 24 is pasted There are anti-skid pads 22.

Among them, the coupling bolts 23 are used through the cooperation of the bottom frame 24 and the anti-skid pad 22 during use, and the anti-skid fixing effect is largely achieved during use, and the effect during use is fixed.

The copper column 45 further includes: a protective ceramic frame 44 , and the outer periphery of the copper column 45 is fixedly welded with the protective ceramic frame 44 .

Wherein, through the setting of the protective ceramic frame 44 in use, the effect of supporting and fixing and protecting the in use is achieved.

The copper column 45 further includes a mounting frame 43 , and the mounting frame 43 is welded between the protective ceramic frames 44 .

Among them, when the installation frame 43 and the protective ceramic frame 44 are used in cooperation, the supporting and fixing effects during use are strengthened, and the occurrence of bending and the like during use is avoided.

The copper column 45 further includes: a ceramic collar 46 , and the outer periphery of the copper 45 above the protective ceramic frame 44 is welded with the ceramic collar 46 .

Among them, the ceramic collar 46 is matched with the copper 45 during use, and the effect of overall protection and heat conduction and heat dissipation during use is achieved.

Working principle: effective connection is made through the connection terminal 14 during use, and through the sulfur hexafluoride switch 42 during use, the control effect during use is realized during use, and the combination of fuse during use is used. The device and its structure realize the effect of its protection during use, wherein, when used for a long time, the effect of heat dissipation and fixing is realized through the setting of the ceramic collar 36, and the setting of the protective ceramic frame 44 realizes the effect of its heat dissipation and fixing. The effect of the protection fixed when in use.

Although the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations to these embodiments will be apparent to those of ordinary skill in the art from the foregoing description.

The embodiment or embodiments of this specification are intended to cover all such alternatives, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of one or more embodiments of the present specification should be included within the protection scope of the present disclosure.

Claims (8)

1. A box-type AC metal-enclosed ring network switchgear is characterized in that, comprising: A box body (1), a connecting head (14) is inlaid at the top of the box body (1), a copper column (45) is welded at the bottom end of the connecting head (14), and the copper column (45) ) at the bottom end is electrically connected with the center frame (34) through a sulfur hexafluoride switch (42), and the bottom end of the center frame (34) is fixed with the fuse bracket (32) through two connecting frames (35) For installation, a bottom frame (3) is threadedly installed on the bottom end of the bracket (32) of the fuse, and a wiring port (31) is provided on one side of the bottom frame (3) corresponding to the outer periphery; A fuse (33) is fixedly installed between the two connecting frames (35), and a center ring (34) is fixedly welded at the periphery of the middle part of the fuse (33); A lock hole (11) is inlaid on one side of the box body (1), a door panel (5) is fixedly installed on the front side of the box body (1) through two hinges (52), and the door panel ( 5) A connection port (53) is inlaid on the corresponding connection port (31), and a tempered glass (51) is inlaid on the door panel (5) above the connection port (53); An isolation cover (4) is inlaid on the periphery of the sulfur hexafluoride switch (42), and isolation plates (41) are respectively inlaid between the corresponding sulfur hexafluoride switches (42) in the isolation cover (4). The said isolation cover (4) is in a vacuum environment. 2. A box-type AC metal-enclosed ring network switchgear according to claim 1, wherein the box body (1) further comprises: The air outlet (15), the fan (16) and the sponge pad (17) are inlaid with the air outlet (15) on both sides of the box body (1) near the bottom end, and the air outlet (15) is inlaid in the air outlet (15). There is a fan (16), one end of the fan (16) penetrates through the main body (1) and communicates with each other inside, and the other end of the fan (16) is inlaid with a sponge pad (17). 3. A box-type AC metal-enclosed ring network switchgear according to claim 1, wherein the box body (1) further comprises: A threaded fixing piece (12) and a gasket (13), a threaded fixing piece (12) is threadedly mounted on the box body (1) above the connecting head (14), and the lower surface of the threaded fixing piece (12) A gasket (13) is attached. 4. A box-type AC metal-enclosed ring network switchgear according to claim 1, wherein the box body (1) further comprises: The bottom frame (2) and the bracket (21) are welded with a bottom frame (2) on both sides of the outer periphery of the box body (1), and a support (21) is welded on one end of the bottom frame (2). 5. A box-type AC metal-enclosed ring network switchgear according to claim 4, wherein the bracket (21) further comprises: Bolts (23), bolts (23) are threadedly installed at the bottom end of the bracket (21), a bottom frame (24) is welded at the bottom end of the bolts (23), and the bottom frame (24) A non-slip pad (22) is pasted on the lower surface. 6. A box-type AC metal-enclosed ring network switchgear according to claim 1, wherein the copper column (45) further comprises: A protective ceramic frame (44) is provided, wherein a protective ceramic frame (44) is fixedly welded on the periphery of the copper column (45). 7. A box-type AC metal-enclosed ring network switchgear according to claim 6, wherein the copper column (45) further comprises: An installation frame (43) is welded between the protective ceramic frames (44). The installation frame (43). 8. A box-type AC metal-enclosed ring network switchgear according to claim 6, wherein the copper column (45) further comprises: A ceramic collar (46) is provided, wherein a ceramic collar (46) is welded to the periphery of the copper (45) above the protective ceramic frame (44).

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