CN115000829A

CN115000829A - Pre-buried formula high-low voltage switch cabinet

Info

Publication number: CN115000829A
Application number: CN202210929650.9A
Authority: CN
Inventors: 丁海霞
Original assignee: Jiangsu Beiyingfei Electric Co ltd
Current assignee: Jiangsu Beiyingfei Electric Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-09-02
Anticipated expiration: 2042-08-04
Also published as: CN115000829B

Abstract

The application relates to a pre-buried high-low voltage switch cabinet, which relates to the technical field of power distribution cabinets and comprises an inner cabinet and an outer cabinet which are nested, wherein the outer cabinet is embedded in a pre-buried groove; the inner cabinet comprises a base, a lifting device and a distribution box which are sequentially arranged from bottom to top, the top of the outer cabinet is provided with an opening, the top of the distribution box is connected with a top cover, and the top cover is used for plugging the opening of the outer cabinet; an inclined plate is connected to the outer wall of the top of the outer cabinet, one end, far away from the outer cabinet, of the inclined plate inclines towards one side of the bottom of the embedded groove, and the inclined plate is located on the periphery of the notch of the embedded groove; the embedding groove has been seted up to the swash plate top surface, and the top cap lateral wall is connected with the sealing strip, and the top cap lateral wall slope sets up, and laminates with the swash plate top surface, and the sealing strip inlays in the embedding groove. This application has effectively sealed block terminal, and reduces in the underground steam infiltration block terminal, prevents that steam from permeating and causes the effect of the inside components and parts short circuit of block terminal in the block terminal.

Description

Pre-buried formula high-low voltage switch cabinet

Technical Field

The invention relates to the field of power distribution cabinets, in particular to a pre-buried high-low voltage switch cabinet.

Background

At present, a high-voltage switch cabinet or a low-voltage switch cabinet is equipment connected with a high-voltage cable or a low-voltage cable, a high-voltage cabinet is used in a common power supply station and a substation, the high-voltage cabinet is subjected to voltage reduction by a transformer and then enters a low-voltage cabinet, the low-voltage cabinet enters each power distribution box, and protection devices such as switch breakers are assembled into an integrated electrical equipment inside the high-voltage switch cabinet and the low-voltage cabinet.

With urban construction, there is less and less room for the limited land area in the city to be exploited. Along with city construction, the demand of high-low voltage switch cabinets is increasing day by day, and the high-low voltage switch cabinets are more and more appeared on the roadside and the wall, are not favorable for the optimization of city space. The switch cabinets standing on the urban ground surface are easy to become small advertisement carriers, so that the switch cabinets become an apparent pollution source influencing the urban environment.

Chinese patent with publication number CN111181033B discloses an electric power high-low voltage switch cabinet, which comprises a base, a lifting device and a distribution box, wherein angle iron frames are arranged at four corners of the base, the lifting device is arranged on the upper surface of the base, the distribution box is arranged at the top of the lifting device, and a shock absorber is arranged on the lower surface of the distribution box. The electric power high-low voltage switch cabinet is in a pre-buried type, and can be lifted to the ground surface from the underground through the lifting device, so that workers can conveniently connect and maintain the electric power high-low voltage switch cabinet.

To the correlation technique among the above-mentioned, the inventor thinks that the cubical switchboard is pre-buried when underground, except that need consider that the block terminal can go up and down, still need consider that the underground environment is comparatively moist, is unfavorable for the block terminal to bury underground for a long time, and the easy infiltration of rainy day rainwater buries the embedded groove of cubical switchboard underground to form ponding, cause elevating gear even the block terminal to soak in ponding, and then influence the normal use of cubical switchboard.

Disclosure of Invention

In order to improve the problem of burying the dampproofing and waterproofing problem in the cubical switchboard underground, this application provides a pre-buried formula high-low voltage switchgear.

The application provides a pre-buried formula high-low voltage switch cabinet adopts following technical scheme:

a pre-buried high-low voltage switch cabinet comprises an inner cabinet and an outer cabinet which are nested, wherein the outer cabinet is embedded in a pre-buried groove; the inner cabinet comprises a lifting device and a distribution box which are sequentially arranged from bottom to top, the top of the outer cabinet is open, the top of the distribution box is connected with a top cover, and the top cover blocks the opening of the outer cabinet;

an inclined plate is connected to the outer wall of the top of the outer cabinet, one end, far away from the outer cabinet, of the inclined plate inclines towards one side of the bottom of the embedded groove, and the inclined plate is located on the periphery of the notch of the embedded groove; the embedded groove has been seted up to the swash plate top surface, the top cap lateral wall is connected with the sealing strip, the slope of top cap lateral wall sets up, and laminates with the swash plate top surface, the sealing strip is embedded in the embedded groove.

Optionally, the outer cabinet comprises a bottom plate, a partition plate is arranged on one side of the bottom plate facing the inner cabinet, a plurality of liquid leakage holes are formed in the partition plate, and a water accumulation treatment assembly is arranged between the bottom plate and the partition plate; the lifting device is arranged above the partition plate at the bottom plate.

Optionally, the accumulated water treatment assembly comprises a water absorption layer, an extrusion plate and an extrusion driving member, the water absorption layer is located between the extrusion plate and the partition plate, the extrusion driving member is mounted on the inner cabinet or the partition plate, and the extrusion driving member drives the extrusion plate to extrude towards one side of the partition plate;

the extrusion plate is provided with a plurality of through holes, the bottom plate inclines towards one side or is in a step shape, the lowest part of the bottom plate is connected with a drain pipe, and one end of the drain pipe extends out of the outer cabinet; the drain pipe is connected with a one-way valve.

Optionally, be connected with the guide post between baffle and the bottom plate, the stripper plate setting is worn to establish by the guide post, the extrusion driving piece includes a plurality of lifting ropes, connect the lifting rope on the stripper plate, the lifting rope passes the baffle and installs in the block terminal outer wall.

Optionally, the lifting rope is vertically arranged.

Optionally, a blowing and sucking fan is arranged in the top cover, an air outlet main pipeline is connected to an air blowing opening of the blowing and sucking fan, and a plurality of air outlet branch pipelines are connected to the air outlet main pipeline; the air outlet branch pipeline is positioned between the outer cabinet and the inner cabinet, a plurality of blowing openings are arranged on the air outlet branch pipeline, plugging components are installed at the blowing openings, and a deblocking mechanism is arranged on one side of the corresponding air outlet branch pipeline in the outer cabinet; the outer cabinet is connected with an exhaust pipe, and a pipe orifice at one end of the exhaust pipe, which extends out of the ground, is bent towards the ground.

Optionally, an injection pipe is fixed at the injection port, the plugging assembly comprises a rotating shaft, a sleeve ring and a plugging cover, the side wall of the injection pipe is connected with the rotating shaft, the axis of the rotating shaft is parallel to the axis of the injection pipe, the sleeve ring is sleeved on the rotating shaft, and the outer wall of the plugging cover is connected with the outer wall of the sleeve ring; a limiting plate is arranged on one side of the injection pipe, and the outer wall of the plugging cover is abutted to the limiting plate;

the deblocking mechanism comprises a linear driving assembly, a sliding block and a push rod, the linear driving assembly drives the sliding block to slide in a reciprocating mode along the length direction of the corresponding air outlet branch pipeline, one end of the push rod is fixed on the sliding block, the other end of the push rod is located on one side, provided with the limiting plate, of the blocking cover, and the push rod pushes the blocking cover to rotate around the rotating shaft and expose the blowing opening;

and the limiting plate is provided with a reset assembly which drives the blocking cover to reset.

Optionally, the reset assembly comprises a mounting plate and an extension spring, the mounting plate is mounted on the plugging cover, and the extension spring is located between the mounting plate and the limiting plate.

Optionally, the limiting plate and the blocking cover are arranged in a magnetic attraction mode.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the setting of outer cabinet, reduce in the underground steam infiltration block terminal, play damp-proof effect, also can protect elevating gear, reduce the corrosion of part. Through the arrangement of the top cover, the inclined plate, the embedding groove and the sealing strip, when rainwater falls on the top cover, the rainwater is guided to the periphery of the outer cabinet along the inclined surface of the top cover, and accumulated water is reduced to flow into the outer cabinet under the sealing of the sealing strip; can play when the block terminal is located outer cabinet, effectively seal the block terminal, prevent that the rainwater from permeating and causing the effect of the inside components and parts short circuit of block terminal in advancing the block terminal.

2. Through setting up of baffle, weeping hole, the layer that absorbs water, when containing steam in the inside air of outer cabinet, the layer that absorbs water can see through the baffle and absorb partial steam, keeps the inside drying of outer cabinet for the block terminal is in comparatively dry environment when pre-buried in the underground, makes the block terminal operation stable. When the rainy day overhauls, need the lifting block terminal, the rainwater in the outer cabinet of partial infiltration also can be absorbed on the layer that absorbs water, reduces the inside water that flows of outer cabinet, and when the block terminal of being convenient for got into outer cabinet once more, the influence of reduction rainwater to block terminal and elevating gear.

3. Through the setting of stripper plate, guide post and lifting rope, when elevating gear lifting block terminal, the lifting rope can drive the stripper plate along the guide displacement of guide post to the layer absorbs water is absorbed in the extrusion, makes the layer of absorbing water in the layer of absorbing water extruded and along the bottom plate flow direction drain pipe in, the layer used repeatedly that absorbs water of being convenient for.

4. Through the setting of jetting pipe, horizontal pivoted shutoff lid, limiting plate, push rod, reset assembly, along with the start-up of blowing suction fan, gaseous main pipe that gets into air-out branch pipeline through the air-out, along with the push rod promotes the shutoff lid and opens, gaseous jetting pipe department blowout of opening certainly, the shutoff lid is opened in turn, and gas injection's position constantly changes, and the outer cabinet of being convenient for is inside by even drying. Along with jetting gas of jetting pipe next, comparatively the omnidirectional swaps the inside air of outer cabinet, reduces the condition emergence that the mosquito was lingered in outer cabinet to reduce the hidden danger that influences the components and parts operation in the mosquito gets into the block terminal.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a pre-buried switch cabinet according to an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic bottom view of the closure cap according to the embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 1. pre-burying a groove; 2. an inner cabinet; 21. a base; 22. a lifting device; 23. a distribution box; 24. a top cover; 25. a sealing strip; 3. an outer cabinet; 31. a sloping plate; 32. an embedding groove; 33. a base plate; 4. a partition plate; 41. a weep hole; 42. a water-absorbing layer; 43. a pressing plate; 44. a through hole; 45. a guide post; 46. lifting a rope; 47. a drain pipe; 48. a one-way valve; 5. a blowing and sucking fan; 51. a main air outlet pipeline; 52. an air outlet branch pipeline; 53. a blowing pipe; 54. an exhaust pipe; 6. a rotating shaft; 61. a collar; 62. a blocking cover; 63. a limiting plate; 64. a flexible protrusion; 7. a linear drive assembly; 71. a slider; 72. a push rod; 8. mounting a plate; 81. a tension spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Electric power high-low voltage switch cabinet among the correlation technique includes base, elevating gear and block terminal, and surface mounting has elevating gear on the base, and the block terminal is installed at the elevating gear top, and the block terminal lower surface is provided with the bumper shock absorber. The electric power high-low voltage switch cabinet is in a pre-buried type, and can be lifted to the ground surface from the underground through the lifting device, so that workers can conveniently connect and maintain the electric power high-low voltage switch cabinet.

The embodiment of the application discloses pre-buried formula high-low voltage switch cabinet. Referring to fig. 1, the pre-buried high-low voltage switch cabinet comprises an inner cabinet 2 and an outer cabinet 3 which are nested, wherein the outer cabinet 3 is hoisted into a pre-buried groove 1. Interior cabinet 2 includes base 21, elevating gear 22 and the block terminal 23 that sets gradually from bottom to top, 3 open-tops of outer cabinet, and 23 tops of block terminal are connected with

top cap

24, and 3 open-ended settings of outer cabinet of 24 shutoff of top cap. When block terminal 23 is located outer cabinet 3, thereby prevent through top cap 24 that the rainwater from getting into outer cabinet 3 in and leading to block terminal 23 to wet, the inside dry degree of 3 outer cabinets of protection that can be effectual reduces the influence of outside weather to block terminal 23 normal operating.

Referring to fig. 1, the outer wall of the top of the outer cabinet 3 is connected with an inclined plate 31, the inclined plate 31 is located on the periphery of the notch of the embedded groove 1, and one end of the inclined plate 31, which is far away from the outer cabinet 3, inclines towards one side of the bottom of the embedded groove 1. The embedding groove 32 has been seted up to swash plate 31 top surface, and the top cap 24 lateral wall is connected with sealing strip 25, and the slope of top cap 24 lateral wall sets up, and with the laminating of swash plate 31 top surface, sealing strip 25 inlays in embedding groove 32. When rainstorm weather produces ponding, because top cap 24 and the inclined plane cooperation of swash plate 31, reduce the condition emergence of ponding refluence to outer cabinet 3 in. If the ponding water level is too high and submerges top cap 24, under the separation of sealing strip 25, also can prevent effectively that ponding from permeating into in outer cabinet 3. Referring to fig. 1, the outer cabinet 3 includes a bottom plate 33, a partition plate 4 is disposed on one side of the bottom plate 33 facing the inner cabinet 2, a plurality of liquid leakage holes 41 are disposed on the partition plate 4, and a water accumulation processing assembly is disposed between the bottom plate 33 and the partition plate 4. The base 21 is mounted above the partition 4 at the bottom plate 33. Ponding processing subassembly includes water absorption layer 42, stripper plate 43 and extrusion driving piece, and water absorption layer 42 is located between stripper plate 43 and baffle 4, and the extrusion driving piece is installed on interior cabinet 2 or baffle 4, and extrusion driving piece drive stripper plate 43 extrudees the setting towards baffle 4 one side. Be connected with guide post 45 between baffle 4 and the bottom plate 33, guide post 45 wears to establish stripper plate 43 setting, and the extrusion driving piece includes a plurality of lifting rope 46, connects lifting rope 46 on the stripper plate 43, and lifting rope 46 is vertical to be set up, and lifting rope 46 passes baffle 4 and installs in block terminal 23 outer wall. Seted up a plurality of through-holes 44 on the stripper plate 43, bottom plate 33 is the echelonment towards one side slope or bottom plate 33, and the lower of bottom plate 33 is connected with drain pipe 47, and outer cabinet 3 setting is stretched out to drain pipe 47 one end. A check valve 48 is connected to the drain pipe 47.

Referring to fig. 1, when the distribution box 23 is located in the outer cabinet 3, if moisture or accumulated water enters the outer cabinet 3, the moisture can be absorbed by the water-absorbing layer 42, and the water-absorbing layer 42 can be made of sponge. The water vapor or accumulated water adsorbed by the sponge is in a non-flowing state, the influence on the lifting device 22 and the distribution box 23 is small, the corrosion of the lifting device 22 can be delayed, and the situation that the distribution box 23 is short-circuited due to water inflow can be reduced. When it is necessary to install or overhaul the electric distribution box 23, the lifting device 22 lifts the electric distribution box 23 out of the outer cabinet 3. In the lifting process, the lifting rope 46 drives the pressing plate 43 to press the sponge towards one side of the sponge, and as the sponge is pressed, moisture in the sponge is squeezed out and flows to the drain pipe 47 along with the bottom plate 33, and is discharged out of the outer cabinet 3 along the drain pipe 47. Under the guidance of the guide post 45, the displacement track of the extrusion plate 43 is relatively fixed, so that the extrusion plate 43 can uniformly apply pressure to the sponge. The water flowing from the bottom plate 33 to the water discharge pipe 47 does not flow backward into the outer cabinet 3 by the check valve 48.

Referring to fig. 1 to 4, a blowing and sucking fan 5 is arranged in the top cover 24, a main air outlet pipe 51 is connected to a blowing port of the blowing and sucking fan 5, and a plurality of air outlet branch pipes 52 are connected to the main air outlet pipe 51. The air outlet branch pipeline 52 is positioned between the outer cabinet 3 and the inner cabinet 2, a plurality of blowing openings are arranged on the air outlet branch pipeline 52, plugging components are installed at the blowing openings, and a deblocking mechanism is arranged on one side of the corresponding air outlet branch pipeline 52 in the outer cabinet 3. An exhaust pipe 54 is connected to the outer cabinet 3, and a pipe orifice at one end of the exhaust pipe 54 extending out of the ground is bent towards the ground.

Blowing mouthful department is fixed with jetting pipe 53, and the shutoff subassembly includes pivot 6, lantern ring 61, shutoff lid 62, and pivot 6 is connected to the jetting pipe 53 lateral wall, and the axis of pivot 6 sets up with jetting pipe 53 axis parallel, and lantern ring 61 is established to the cover in the pivot 6, and shutoff lid 62 outer wall and lantern ring 61 outer wall are connected. A limiting plate 63 is arranged on one side of the blowing pipe 53, the outer wall of the blocking cover 62 is abutted against the limiting plate 63, and the limiting plate 63 and the blocking cover 62 are arranged in a magnetic attraction mode.

The unsealing mechanism comprises a linear driving assembly 7, a sliding block 71 and a push rod 72, the linear driving assembly 7 can adopt a ball screw, the sliding block 71 is installed on the ball screw, and the linear driving assembly 7 drives the sliding block 71 to slide back and forth along the length direction of the corresponding air outlet branch pipeline 52. One end of the push rod 72 is fixed on the sliding block 71, and the other end is located at one side of the blocking cover 62 where the limiting plate 63 is arranged, and the push rod 72 pushes the blocking cover 62 to rotate around the rotating shaft 6 and expose the blowing opening. The limiting plate 63 is provided with a resetting component which drives the blocking cover 62 to reset. The reset assembly comprises a mounting plate 8 and an extension spring 81, the mounting plate 8 is mounted on the plugging cover 62, and the extension spring 81 is located between the mounting plate 8 and the limiting plate 63. With the sliding of the sliding block 71, the pushing rod 72 pushes the plugging cover 62 to open one by one, so that the gas can be blown out from the corresponding blowing pipe 53. As the push rod 72 moves away from the nozzle of the blowing tube 53, the cap 62 is restored to close the nozzle of the blowing tube 53 by the restoration of the tension spring 81, and the cap 62 closes the blowing tube 53 again by the restriction and fixation of the stopper plate 63. Open blocking cover 62 one by one, can be so that outer cabinet 3 inside be in all the time has the gaseous state of jetting, the inside dehumidification of outer cabinet 3 of both being convenient for, also can prevent outer cabinet 3 in gaseous too many too late discharges of same time, intermittent type nature jet-propelled can make outer cabinet 3 in continuous have the sound to produce in addition, play and prevent that mosquito, mouse from getting into the thing of long-term lodging in outer cabinet 3 and taking place. The flexible protrusion 64 may be disposed at a contact portion of the blocking cover 62 and the push rod 72, so as to increase a friction force when the blocking cover 62 contacts the push rod 72, and facilitate pushing away the blocking cover 62.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pre-buried formula high-low voltage switchgear which characterized in that: the embedded type energy-saving cabinet comprises an inner cabinet (2) and an outer cabinet (3) which are nested, wherein the outer cabinet (3) is embedded in an embedded groove (1); the inner cabinet (2) comprises a lifting device (22) and a distribution box (23) which are sequentially arranged from bottom to top, the top of the outer cabinet (3) is provided with an opening, the top of the distribution box (23) is connected with a top cover (24), and the top cover (24) blocks the opening of the outer cabinet (3);

an inclined plate (31) is connected to the outer wall of the top of the outer cabinet (3), one end, far away from the outer cabinet (3), of the inclined plate (31) inclines towards one side of the bottom of the embedded groove (1), and the inclined plate (31) is located on the periphery of the notch of the embedded groove (1); an embedding groove (32) is formed in the top surface of the inclined plate (31), a sealing strip (25) is connected to the side wall of the top cover (24), the side wall of the top cover (24) is obliquely arranged and is attached to the top surface of the inclined plate (31), and the sealing strip (25) is embedded in the embedding groove (32);

a blowing and sucking fan (5) is arranged in the top cover (24), a main air outlet pipeline (51) is connected at a blowing port of the blowing and sucking fan (5), and a plurality of air outlet branch pipelines (52) are connected on the main air outlet pipeline (51); the air outlet branch pipeline (52) is positioned between the outer cabinet (3) and the inner cabinet (2), a plurality of blowing openings are arranged on the air outlet branch pipeline (52), plugging components are installed at the blowing openings, and a deblocking mechanism is arranged on one side, corresponding to the air outlet branch pipeline (52), in the outer cabinet (3); an exhaust pipe (54) is connected to the outer cabinet (3), and a pipe orifice at one end, extending out of the ground, of the exhaust pipe (54) is bent towards the ground.

2. The pre-buried high-low voltage switch cabinet according to claim 1, wherein: the outer cabinet (3) comprises a bottom plate (33), a partition plate (4) is arranged on one side, facing the inner cabinet (2), of the bottom plate (33), a plurality of liquid leakage holes (41) are formed in the partition plate (4), and a water accumulation treatment assembly is arranged between the bottom plate (33) and the partition plate (4); the lifting device (22) is arranged above the partition plate (4) at the bottom plate (33).

3. The pre-buried high-low voltage switch cabinet according to claim 2, wherein: the accumulated water treatment assembly comprises a water absorption layer (42), an extrusion plate (43) and an extrusion driving piece, the water absorption layer (42) is located between the extrusion plate (43) and the partition plate (4), the extrusion driving piece is installed on the inner cabinet (2) or the partition plate (4), and the extrusion driving piece drives the extrusion plate (43) to extrude towards one side of the partition plate (4);

a plurality of through holes (44) are formed in the extrusion plate (43), the bottom plate (33) inclines towards one side or the bottom plate (33) is in a step shape, the lowest part of the bottom plate (33) is connected with a drain pipe (47), and one end of the drain pipe (47) extends out of the outer cabinet (3); the drain pipe (47) is connected with a one-way valve (48).

4. The pre-buried high-low voltage switch cabinet according to claim 3, wherein: be connected with guide post (45) between baffle (4) and bottom plate (33), stripper plate (43) setting is worn to establish by guide post (45), the extrusion driving piece includes a plurality of lifting rope (46), connect lifting rope (46) on stripper plate (43), lifting rope (46) pass baffle (4) and install in block terminal (23) outer wall.

5. The pre-buried high-low voltage switch cabinet according to claim 4, wherein: the lifting rope (46) is vertically arranged.

6. The pre-buried high-low voltage switch cabinet according to claim 1, wherein: an injection pipe (53) is fixed at the injection port, the plugging assembly comprises a rotating shaft (6), a sleeve ring (61) and a plugging cover (62), the side wall of the injection pipe (53) is connected with the rotating shaft (6), the axis of the rotating shaft (6) is parallel to the axis of the injection pipe (53), the sleeve ring (61) is sleeved on the rotating shaft (6), and the outer wall of the plugging cover (62) is connected with the outer wall of the sleeve ring (61); a limiting plate (63) is arranged on one side of the blowing pipe (53), and the outer wall of the blocking cover (62) is abutted to the limiting plate (63);

the deblocking mechanism comprises a linear driving assembly (7), a sliding block (71) and a push rod (72), wherein the linear driving assembly (7) drives the sliding block (71) to slide in a reciprocating manner along the length direction of the corresponding air outlet branch pipeline (52), one end of the push rod (72) is fixed on the sliding block (71), the other end of the push rod (72) is positioned on one side, provided with a limiting plate (63), of the blocking cover (62), and the push rod (72) pushes the blocking cover (62) to rotate around the rotating shaft (6) and expose the blowing opening;

and a reset assembly which drives the blocking cover (62) to reset is arranged at the position of the limiting plate (63).

7. The pre-buried high-low voltage switch cabinet according to claim 6, wherein: the subassembly that resets includes mounting panel (8) and extension spring (81), mounting panel (8) are installed on shutoff lid (62), extension spring (81) are located between mounting panel (8) and limiting plate (63).

8. The pre-buried high-low voltage switch cabinet according to claim 6, wherein: the limiting plate (63) and the blocking cover (62) are arranged in a magnetic attraction mode.