CN113437659B

CN113437659B - Ring main unit

Info

Publication number: CN113437659B
Application number: CN202110887634.3A
Authority: CN
Inventors: 郑柏阳
Original assignee: Jiangxi Deyi Intelligent Power Co ltd
Current assignee: Jiangxi Deyi Intelligent Power Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-08-12
Anticipated expiration: 2041-08-03
Also published as: CN113437659A

Abstract

The invention discloses a ring main unit which comprises a cabinet body with an installation cavity and a cabinet door, wherein a flexible blocking piece is arranged in the installation cavity, the blocking piece extends downwards and is gradually arranged in a necking mode, a placing cavity is formed between the blocking piece and the top of the cabinet body, a pipeline is arranged on the blocking piece, a flexible water absorbing piece is arranged in the placing cavity of a water storage cover and is positioned below the pipeline, a drainage piece extending into the water storage cavity of the water storage cover is connected onto the water absorbing piece, a driving assembly for driving the water storage cover is arranged on the cabinet body, an extrusion assembly for extruding the water absorbing piece is arranged in the placing cavity, a drainage assembly for guiding and discharging water on the blocking piece is arranged in the cabinet body, a humidity sensor and a controller electrically connected with the humidity sensor are arranged in the installation cavity, and the controller is connected with the driving assembly. The invention has the following advantages and effects: the invention can avoid the dripping phenomenon of condensation in the ring main unit, thereby ensuring the normal operation and the service life of the electrical equipment and achieving better cooling and heat insulation effects.

Description

Ring main unit

Technical Field

The invention relates to power equipment, in particular to a ring main unit.

Background

The ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.

The wet weather is also very painful for the operation and maintenance personnel of the power grid, the operation and maintenance work becomes abnormal and tense, and the wet weather has the following effects on the ring main unit: the looped netowrk cabinet works in moist, sultry environment, will gather a large amount of steam in inside and form the condensation, especially on the top cap of looped netowrk cabinet, the condensation on the top cap forms, because the weight of condensation can make its whereabouts, and the condensation of whereabouts can drip to electrical equipment on, causes electrical equipment to damage or the short circuit to influence electrical equipment's life and normal operating.

Disclosure of Invention

The invention aims to provide a ring main unit which can avoid the phenomenon that condensation drips in the ring main unit, so that the normal operation and the service life of electrical equipment are ensured.

The technical purpose of the invention is realized by the following technical scheme: a ring main unit comprises a cabinet body with an installation cavity and a cabinet door hinged to the cabinet body, wherein a flexible blocking piece is arranged in the installation cavity, the central position of the blocking piece extends downwards and is gradually arranged in a necking mode, a placing cavity is formed between the blocking piece and the top of the cabinet body, a pipeline communicated with the placing cavity is arranged at the lowest position of the lower surface of the blocking piece, a water storage cover which moves towards the pipeline in a reciprocating mode and is matched with the pipeline to form a seal is arranged under the pipeline, the width of the water storage cavity of the water storage cover is larger than the width of the pipeline, a flexible water absorbing piece is arranged in the placing cavity, a water storage cavity extending into the water storage cover is connected onto the water absorbing piece and used for guiding water to the water absorbing piece, a driving assembly which drives the water storage cover to drive the pipeline and the blocking piece to move towards the top of the cabinet body together is arranged on the cabinet body, when the blocking piece moves towards the top of the cabinet body, the placing cavity is internally provided with an extrusion assembly for extruding the water absorbing piece to discharge water, the cabinet body is internally provided with a water guide and discharge water discharge assembly for blocking the water on the piece, the mounting cavity is internally provided with a humidity sensor and a controller electrically connected with the humidity sensor, and the controller is connected with the driving assembly.

Through adopting above-mentioned technical scheme, when humidity transducer detected the humidity of installation intracavity, humidity transducer sent a control signal for the controller, and controller control drive assembly drives the water storage lid and forms the clearance back to the removal of blockking the piece and between the pipeline. The fog is condensed on the lower surface of the blocking piece to form condensation, and the condensation formed by condensation flows towards the lowest position of the blocking piece along the lower surface wall of the blocking piece, namely towards the position of the pipeline, because the lower surface of the blocking piece is an inclined surface formed by shrinkage. The condensation that flows to on the pipeline drips under the effect of gravity and absorbs the storage in the piece that absorbs water towards the piece that absorbs water under the effect of drainage piece in the water storage lid in the pipeline below water storage lid, the water that assembles to make the condensation can not drip to the electrical equipment of below on, guarantee electrical equipment's normal operating and life.

When humidity sensor does not detect the humidity of installation intracavity, controller control drive assembly drives the water storage lid and removes towards the pipeline and form sealedly with it cooperation, and the water storage lid that moves towards the pipeline drives the pipeline, block the piece and absorb water the piece and upwards move together, when absorbing water the piece and support tightly in extrusion assembly, extrude the messenger's discharge through extrusion assembly to the water in the piece that absorbs water, and the discharged water then discharges through drainage assembly, thereby ensure that water can not contact with electrical equipment.

Further setting the following steps: including setting up in the mount of pipeline, fixedly setting up in the mount and passing the pipeline towards the slide bar that the water storage lid extends, the slide bar passes the water storage lid and cooperates with it seals to slide, be equipped with the stopper that restriction water storage lid breaks away from the slide bar on the slide bar, work as when the water storage lid supports in the stopper mutually, be formed with the clearance that the water supply flows into the water storage lid between water storage lid and the pipeline.

Through adopting above-mentioned technical scheme, the setting up of stopper ensures that the water storage lid can not break away from with the slide bar, guarantees the stable in structure operation, and the setting up through the slide bar plays the guide effect to the water storage lid in sliding, ensures the removal precision of water storage lid, makes it can cooperate the pipeline to form better sealed, prevents that the piece that absorbs water from getting into the installation cavity through the pipeline when receiving the extrusion.

Further setting the following steps: the driving assembly comprises a motor, a wire groove and a connecting wire, wherein the motor is arranged in the placing cavity and positioned above the blocking piece, the wire groove is formed in an output shaft of the motor, the connecting wire is wound in the wire groove, and the connecting wire penetrates through the pipeline and is fixedly connected with the water storage cover.

Through adopting above-mentioned technical scheme, the motor drives the output shaft and rotates, and the output shaft in the rotation drives the water storage lid through the mode of rolling up the connecting wire in the wire casing or throw off the wire casing and realizes reciprocating sliding.

Further setting the following steps: the piece that absorbs water includes the sponge, the drainage piece includes the cotton thread, extrusion subassembly is including setting up in placing the chamber and being located the extrusion piece that blocks the piece top and setting up in the through-hole that the extrusion piece just supplied the connecting wire to pass, works as when the piece is absorbed in the extrusion piece extrusion, the position height of pipeline upper end is located the piece top that absorbs water.

Through adopting above-mentioned technical scheme, through the piece that absorbs water when the extrusion, the position height of pipeline is located the top of the piece that absorbs water, makes the water that the piece that absorbs water extruded be difficult for getting into the pipeline to promote structural design's reliability.

Further setting the following steps: the drainage assembly comprises a drainage pipe which is arranged on the blocking piece, faces the placing cavity, is positioned on one side of the water absorbing piece, is opposite to the drainage groove of the other side of the pipeline, and is positioned below the blocking piece, the drainage groove surrounds the pipeline to form an annular shape, the drainage pipe is communicated with the drainage groove, and when the extrusion assembly extrudes the water absorbing piece, the drainage groove is highly positioned below the water absorbing piece.

Through adopting above-mentioned technical scheme, set up annular water drainage tank and make it highly lie in the below that absorbs water when absorbing water the piece by the extrusion subassembly extrusion, make like this that the hydroenergy that is extruded better flow into water drainage tank, then discharge through the drain pipe.

Further setting as follows: the water storage cabinet is characterized in that a clamping cavity is formed in the cabinet body, the water discharge pipe is communicated with the clamping cavity, a water storage sponge is placed in the clamping cavity, a water discharge pipe communicated with the outside and the clamping cavity is arranged on the cabinet body, and a sealing cover is connected to the water discharge pipe in a threaded mode.

Through adopting above-mentioned technical scheme, drain pipe discharged water gets into and presss from both sides the chamber and contacts with the water storage sponge, and the setting of water storage sponge plays certain fixed action to water to make hydroenergy more even distribution in pressing from both sides the intracavity, can make the cabinet body have better cooling and thermal-insulated effect like this, the extension cabinet is internal electric equipment's life and makes it have better operational environment. When the water in the clamping cavity is to be discharged, the sealing cover is opened.

Further setting the following steps: the outer top of the cabinet body is provided with a water inlet communicated with the clamping cavity.

Through adopting above-mentioned technical scheme, when the external world is rainy, the rainwater passes through the inlet opening and gets into and presss from both sides the chamber, increases the water capacity of pressing from both sides the intracavity to make the cabinet body have better cooling and thermal-insulated effect.

In conclusion, the invention has the following beneficial effects: the invention can avoid the dripping phenomenon of condensation in the ring main unit, thereby ensuring the normal operation and the service life of the electrical equipment and achieving better cooling and heat insulation effects.

Drawings

FIG. 1 is a front view of the embodiment;

FIG. 2 is a schematic structural diagram of an embodiment;

FIG. 3 is a partial schematic structural view of an embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a view showing a configuration of a state where the water absorbing member is pressed according to the embodiment.

In the figure: 1. a mounting cavity; 2. a cabinet body; 3. a cabinet door; 4. a blocking sheet; 5. a placement chamber; 6. a pipeline; 7. a water storage cover; 8. a water absorbing member; 9. a drainage member; 10. a drive assembly; 101. a motor; 102. a wire slot; 103. a connecting wire; 11. an extrusion assembly; 111. extruding the block; 112. a through hole; 12. a drainage assembly; 121. a water discharge tank; 122. a drain pipe; 13. a fixed mount; 14. a slide bar; 15. a limiting block; 16. a clamp cavity; 17. a water storage sponge; 18. a water outlet pipe; 19. sealing the cover; 20. a water inlet hole; 22. a humidity sensor; 23. and a controller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, a ring main unit includes a cabinet body 2 having an installation cavity 1 and a cabinet door 3 hinged to the cabinet body 2, a flexible blocking piece 4 is fixedly arranged in the installation cavity 1, and the blocking piece 4 is horizontally arranged and specifically can be a rain-proof cloth. Stop the central point downwardly extending of piece 4 and be the throat gradually and set up and form a funnel shape, stop and form one between piece 4 and the 2 tops of the cabinet body and place chamber 5, stop the fixed pipeline 6 that is provided with the intercommunication and places chamber 5 of the lowest position of piece 4 lower surface, be located and be equipped with along vertical direction towards pipeline 6 reciprocating motion and cooperate pipeline 6 to form sealed water storage lid 7 under the pipeline 6.

The water storage chamber width of water storage lid 7 is greater than 6 widths of pipeline, places and is equipped with flexible 8 that absorb water in the

chamber

5, and 8 fixed settings that absorb water block 4 upper surfaces in piece, and 8 that absorb water are the sponge. The water storage cavity extending into the water storage cover 7 is fixedly connected to the water absorbing part 8 and used for guiding the water to the drainage part 9 of the water absorbing part 8 along with the drainage, and the drainage part 9 is cotton threads. Be equipped with on the cabinet body 2 and drive water storage lid 7 and drive pipeline 6 and block piece 4 and move towards the drive assembly 10 of 2 top reciprocating motion of the cabinet body together, when blockking that piece 4 moves towards the cabinet body 2 top, place the intracavity 5 and be equipped with the extrusion subassembly 11 that is used for the extrusion to inhale that piece 8 carries out the drainage, be equipped with on the cabinet body 2 and guide exhaust drainage subassembly 12 with the water that blocks on the piece 4. The installation cavity 1 internal fixation is provided with humidity transducer 22 and the controller 23 of being connected with humidity transducer 22 electricity, and controller 23 is connected with drive assembly 10, and controller 23 is the singlechip, and the model is stm 32.

The water storage device comprises a fixed frame 13 fixedly arranged on the pipeline 6 and a sliding rod 14 fixedly arranged on the fixed frame 13 and penetrating through the pipeline 6 to extend towards the water storage cover 7, wherein the sliding rod 14 and the pipeline 6 are coaxially arranged. The sliding rod 14 penetrates through the water storage cover 7 to be matched with the water storage cover in a sealing sliding mode, a limiting block 15 for limiting the water storage cover 7 to be separated from the sliding rod 14 is fixedly arranged at the lower end of the sliding rod 14, and when the water storage cover 7 abuts against the limiting block 15, a gap for allowing water to flow into the water storage cover 7 is formed between the water storage cover 7 and the pipeline 6. The driving assembly 10 comprises a motor 101 fixedly arranged in the placing cavity 5 and positioned above the blocking sheet 4, a wire casing 102 fixedly arranged on an output shaft of the motor 101, and a connecting wire 103 wound in the wire casing 102, wherein one end of the connecting wire 103 is fixedly connected with the wire casing 102, and the other end of the connecting wire passes through the pipeline 6 and is fixedly connected with the water storage cover 7. The motor 101, controller 23 and humidity sensor 22 are all powered by an external power source.

The extrusion assembly 11 comprises an extrusion block 111 fixedly arranged in the placing cavity 5 and positioned above the blocking sheet 4, and a through hole 112 formed in the extrusion block 111 and used for the connecting line 103 to pass through, when the water absorbing piece 8 is extruded by the extrusion block 111, the upper end of the pipeline 6 is positioned above the water absorbing piece 8. The drainage assembly 12 comprises a drainage groove 121 fixedly arranged on one side, facing the placing cavity 5, of the blocking piece 4 and located on the other side, opposite to the pipeline 6, of the water absorbing part 8, and a drainage pipe 122 located below the blocking piece 4, wherein the drainage groove 121 is made of hard plastic and is fixedly bonded with the blocking piece 4. The drainage channel 121 is arranged around the pipeline 6 to form a ring shape, one end of the drainage pipe 122 is fixedly connected with the drainage channel 121, and when the squeezing assembly 11 squeezes the water absorbing member 8, the drainage channel 121 is positioned at a height below the water absorbing member 8.

A clamping cavity 16 is formed in the cabinet body 2, and the drain pipe 122 is fixedly connected with the clamping cavity 16. A water storage sponge 17 is arranged in the clamping cavity 16, a water outlet pipe 18 which is communicated with the outside and the clamping cavity 16 is fixedly arranged on the cabinet body 2, and a sealing cover 19 is connected on the water outlet pipe 18 in a threaded manner. The outer top of the cabinet body 2 is provided with a water inlet hole 20 communicated with the clamping cavity 16.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a looped netowrk cabinet, includes cabinet body (2) that have installation cavity (1) and articulate in cabinet door (3) of the cabinet body (2), its characterized in that: be equipped with flexible piece (4) that blocks in installation cavity (1), the central authorities position downwardly extending who blocks piece (4) just is the throat setting gradually, it forms one between piece (4) and the cabinet body (2) top and places chamber (5) to block, the extreme lower position that blocks piece (4) lower surface is equipped with pipeline (6) that the intercommunication placed chamber (5), is located be equipped with under pipeline (6) towards pipeline (6) reciprocating motion and cooperation pipeline (6) formation sealed water storage lid (7), the water storage chamber width of water storage lid (7) is greater than pipeline (6) width, it is equipped with flexible piece (8) that absorb water to place chamber (5), be connected with the water storage chamber that extends into water storage lid (7) on water storage piece (8) and be used for with the drainage piece (9) that absorbs water the drainage was used for with water drainage to piece (8), be equipped with on the cabinet body (2) drive water storage lid (7) and drive pipeline (6) and block piece (4) and move towards the cabinet body (2) top together towards the cabinet body (2) top When the blocking piece (4) moves towards the top of the cabinet body (2), an extrusion assembly (11) for extruding the water absorbing piece (8) to discharge water is arranged in the placing cavity (5), a water discharging assembly (12) for guiding and discharging water on the blocking piece (4) is arranged in the cabinet body (2), a humidity sensor (22) and a controller (23) electrically connected with the humidity sensor (22) are arranged in the mounting cavity (1), and the controller (23) is connected with the driving assembly (10);

the water absorbing part (8) comprises sponge, the drainage part (9) comprises cotton threads, the extrusion assembly (11) comprises an extrusion block (111) which is arranged in the placing cavity (5) and positioned above the blocking piece (4) and a through hole (112) which is arranged in the extrusion block (111) and through which the connecting line (103) passes, and when the water absorbing part (8) is extruded by the extrusion block (111), the position of the upper end of the pipeline (6) is higher than the water absorbing part (8);

drainage component (12) are including setting up in blockking piece (4) orientation place chamber (5) one side and being located water absorption piece (8) for water drainage tank (121) of pipeline (6) opposite side and being located drain pipe (122) of blockking piece (4) below, water drainage tank (121) encircle to set up around pipeline (6) and form an annular, drain pipe (122) communicate with each other with water drainage tank (121), work as when extrusion component (11) extrusion water absorption piece (8), the position height of water drainage tank (121) is located water absorption piece (8) below.

2. The ring main unit according to claim 1, wherein: including setting up in mount (13) of pipeline (6), fixed setting in mount (13) and pass slide bar (14) that pipeline (6) extend towards water storage lid (7), slide bar (14) pass water storage lid (7) and the sealed cooperation of sliding with it, be equipped with stopper (15) that restriction water storage lid (7) break away from slide bar (14) on slide bar (14), work as when water storage lid (7) offset in stopper (15), be formed with the clearance that supplies water and flow into water storage lid (7) between water storage lid (7) and pipeline (6).

3. The ring main unit according to claim 2, wherein: drive assembly (10) including set up in placing chamber (5) and be located motor (101) that blocks piece (4) top, set up in wire casing (102) of motor (101) output shaft and around connecting wire (103) of rolling up in wire casing (102), connecting wire (103) pass pipeline (6) and water storage lid (7) fixed connection.

4. The ring main unit according to claim 1, wherein: the improved water-saving cabinet is characterized in that a clamping cavity (16) is formed in the cabinet body (2), the drain pipe (122) is communicated with the clamping cavity (16), a water storage sponge (17) is placed in the clamping cavity (16), a water outlet pipe (18) communicated with the outside and the clamping cavity (16) is arranged on the cabinet body (2), and a sealing cover (19) is connected to the water outlet pipe (18) in a threaded mode.

5. The ring main unit according to claim 4, wherein: the outer top of the cabinet body (2) is provided with a water inlet hole (20) communicated with the clamping cavity (16).