CN116316201B

CN116316201B - Ring main unit

Info

Publication number: CN116316201B
Application number: CN202211724426.2A
Authority: CN
Inventors: 李雪松; 宋国亮; 刘云臻; 刘月勇
Original assignee: Suzhou Easun Electric Power Technology Co ltd
Current assignee: Suzhou Easun Electric Power Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-10-13
Anticipated expiration: 2042-12-30
Also published as: CN116316201A

Abstract

The invention provides a ring main unit, and relates to the technical field of electrical cabinets. This looped netowrk cabinet, including strengthening base and looped netowrk cabinet body, the top fixedly connected with looped netowrk cabinet body of strengthening the base, the equal fixedly connected with downside stay tube in both sides below of looped netowrk cabinet body, the equal fixedly connected with ventilation board of below of downside stay tube of the both sides of looped netowrk cabinet body, two a plurality of fresh air inlets have been seted up to the equal array of ventilation board, the top fixedly connected with ventilation hood of looped netowrk cabinet body, the top fixedly connected with ventilation pipe of ventilation hood. The ventilation pipe and the solar heating cover are matched with the unpowered ventilation ball, so that the air in the ventilation pipe can be heated and raised under the high-temperature environment through the solar heating effect, hot air rises, air suction negative pressure is generated in the ring main unit body, high-temperature air in the ring main unit body is pumped away, and meanwhile, the rising air flow pushes the unpowered ventilation ball to rotate, so that stronger suction force can be formed.

Description

Ring main unit

Technical Field

The invention relates to the technical field of electrical cabinets, in particular to a ring main unit.

Background

The ring network refers to a ring-shaped power distribution network, namely, a power supply trunk line forms a closed ring shape, a power supply supplies power to the ring-shaped trunk line, and the power is distributed outwards from the trunk line through a high-voltage switch in a way of one path. This has the advantage that each distribution branch can be powered from both its left side mains and its right side mains. When the left main line fails, the power supply is continuously supplied from the right main line, and when the right main line fails, the power supply is continuously supplied from the left main line, so that the power supply is single-path power supply, but the power supply is similar to double-path power supply from each power distribution branch, and the reliability of the power supply is improved; the ring main unit is a group of electric equipment (high-voltage switch equipment) applied to the annular distribution network, which is arranged in a metal or nonmetal insulating cabinet body or is made into an electric equipment of an assembled interval type 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. It is widely used in distribution stations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like, and box-type substations.

The invention of present looped netowrk cabinet as application number CN202110887634.3 discloses a looped netowrk cabinet, including cabinet body and cabinet door that has the installation cavity, be equipped with flexible blocking piece in the installation cavity, blocking piece downwardly extending and be the throat setting gradually, form one between blocking piece and the cabinet body top and place the chamber, be equipped with the pipeline on the blocking piece, be located the pipeline below and be equipped with the water storage lid and place the intracavity and be equipped with flexible piece that absorbs water, be connected with the drainage piece that extends into the water storage lid water storage chamber on the piece that absorbs water, be equipped with the drive assembly of drive water storage lid on the cabinet body, be equipped with the extrusion subassembly that is used for extrudeing the piece that absorbs water in the chamber, be equipped with the drainage subassembly that will block the water guide on the piece in the cabinet body, be equipped with humidity transducer in the installation cavity and be connected with humidity transducer electricity's controller, the controller is connected with drive assembly. The device can avoid the phenomenon that condensation drops in the ring main unit, thereby ensuring the normal operation and the service life of the electrical equipment, achieving better cooling and heat insulation effects, and being complex in realization mechanism, more in movable parts and higher in subsequent maintenance difficulty although the condensation drops can be avoided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a ring main unit, which solves the problems set forth in the background art.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a looped netowrk cabinet, includes reinforcement base and looped netowrk cabinet body, the top fixedly connected with looped netowrk cabinet body of reinforcement base, one side fixedly connected with two hinges of looped netowrk cabinet body, the looped netowrk cabinet body is connected with the cabinet door through two hinges rotations, the top middle part of cabinet door is provided with the observation window, the cabinet door middle part is provided with LCD in the below of observation window, the cabinet door middle part is provided with three status indicator lamps in the below of LCD, one side middle part fixedly connected with handle of hinge is kept away from to the cabinet door, the inside below of looped netowrk cabinet body is provided with the explosion chamber, and the explosion chamber right side is provided with electric current inductor and voltage inductor, the top of explosion chamber is provided with the load switch room, the top of load switch room is provided with the earthing switch room, the top of earthing switch room is provided with the fuse room, the top of fuse room is provided with DC power supply room, DC power supply room inside top both sides are provided with temperature sensor and humidity transducer respectively;

the solar energy ring main unit comprises a ring main unit body, a plurality of ring main unit support pipes, a plurality of ventilation holes, a solar heating cover, a powerless ventilation ball, a solar energy heating cover, a movable part and a movable part, wherein the lower support pipes are fixedly connected to the lower sides of the two sides of the ring main unit body, the ventilation plates are fixedly connected to the two sides of the ring main unit body below the lower support pipes, the cable arrangement ports can be arranged on the ventilation plates, the ventilation holes are formed in the two ventilation plates in an array manner, the ventilation cover is fixedly connected to the upper side of the ring main unit body, the ventilation pipe is fixedly connected to the top of the ventilation cover, the solar heating cover is arranged on the outer side of the ventilation pipe, and the unpowered ventilation ball is fixedly connected to one end of the ventilation pipe away from the ventilation cover, so that solar energy can be utilized, energy consumption is reduced, the structure is simple, movable parts are few, and the subsequent maintenance cost is greatly reduced;

the inside of ventilation hood is provided with the inner cover that separates water, the equal fixedly connected with in both ends that the top of looped netowrk cabinet body was close to and keeps away from the cabinet door goes up the stay tube, the equal fixedly connected with upside stay tube in top both sides of looped netowrk cabinet body, the both sides of looped netowrk cabinet body are in the equal fixedly connected with thermal-insulated curb plate between downside stay tube and upside stay tube, the one side below fixedly connected with drain pipe of cabinet door is kept away from to the looped netowrk cabinet body, the one side of cabinet door is kept away from to the looped netowrk cabinet body is in the thermal-insulated backplate of fixedly connected with between drain pipe and last stay tube down.

Preferably, the heat-insulating side plate comprises a metal layer, a heat-insulating layer and a ventilation diversion layer, the heat-insulating layer is fixedly connected with the inner side of the metal layer, the ventilation diversion layer is fixedly connected with one side of the heat-insulating layer, which is far away from the metal layer, a plurality of diversion holes are formed in the ventilation diversion layer, the heat-insulating backboard is identical to the heat-insulating side plate in structure, condensation phenomena can be generated between the water-insulating inner cover and the ventilation pipe, the condensation water can be discharged in time, when the condensation water does not occur, the diversion holes in the heat-insulating side plate and the heat-insulating backboard can serve as air holes, a ventilation gas layer is formed under the action of negative pressure of the ventilation pipe, the heat-insulating effect is further enhanced, and the influence caused by sunlight irradiation is greatly reduced.

Preferably, the waterproof inner cover comprises a cover body, embedded pipes, condensation diversion trenches and a hydrophobic coating, the embedded pipes are fixedly connected to the center of the upper part of the cover body, a plurality of condensation diversion trenches are uniformly formed in the inner side of the cover body, the hydrophobic coating is arranged on the inner wall of the cover body among the condensation diversion trenches, and the hydrophobic coating is used for reducing water vapor condensation.

Preferably, the ventilation pipe comprises a heat conduction pipe body, heating edges and a connecting frame, wherein a plurality of heating edges are uniformly arranged on the inner side of the heat conduction pipe body, the heating efficiency of internal air is improved by enlarging the contact area, the connecting frame is fixedly connected to the position, corresponding to the nested pipe, of the lower part of the inner part of the heat conduction pipe body, and the lower part of the inner part of the heat conduction pipe body is fixedly connected with the nested pipe through the connecting frame.

Preferably, the solar heating cover comprises a glass cover, a vacuum layer and a heat absorption sleeve, wherein the glass cover and the heat conduction pipe body are in nested fixed connection, two ends of the glass cover are fixedly connected with two ends of the heat absorption sleeve, the vacuum layer is arranged between the glass cover and the heat absorption sleeve, and a blackbody coating is arranged on the outer surface of the heat absorption sleeve.

Preferably, the water receiving tanks are respectively arranged at the inner sides of the tops of the upper supporting pipes and the upper supporting pipes, the two upper supporting pipes are mutually communicated through the two upper supporting pipes, the lower parts of the ventilation hoods are respectively and fixedly connected with the outer side edges of the four water receiving tanks, and the lower parts of the hood bodies are respectively corresponding to the positions of the four water receiving tanks or are directly and fixedly connected with the inner edges of the four water receiving tanks.

Preferably, the upper and lower ends of the ventilation and flow guiding layers of the two heat insulation side plates are respectively fixedly communicated with the corresponding upper support tube and lower support tube, and the upper and lower parts of the heat insulation backboard are respectively fixedly communicated with the upper support tube and the lower drain tube.

Preferably, one ends of the two lower support pipes, which are close to the heat insulation backboard, are fixedly communicated with two ends of the lower drain pipe respectively, and a plurality of drain holes are formed below the outer side of the lower drain pipe and can also serve as air inlets.

(III) beneficial effects

The invention provides a ring main unit. The beneficial effects are as follows:

1. the ventilation pipe and the solar heating cover are matched with the unpowered ventilation ball, the air in the ventilation pipe can be heated and raised under the high-temperature environment through the solar heating effect, so that the hot air rises, the air suction negative pressure is generated in the ring main unit body, the high hot air in the ring main unit body is pumped away, meanwhile, the unpowered ventilation ball is pushed to rotate by rising airflow to form stronger suction force, and under the condition that the outside air flows, the unpowered ventilation ball can further strengthen the suction force by means of wind power, the hotter weather is, the stronger ventilation efficiency is, the ventilation and heat dissipation efficiency is greatly improved, the structure is simple, movable components are few, and the subsequent maintenance cost is greatly reduced.

2. The invention is provided with the water-proof inner cover, can be connected with the condensed moisture in the lower ventilation pipe through the nested pipe, and the condensation diversion trench and the hydrophobic coating arranged on the inner side can guide the water vapor to condense to the position of the condensation diversion trench, and can improve the adhesion quantity of water drops by utilizing the tension effect of the water surface through the concave condensation diversion trench, thereby effectively preventing the water drops from directly dropping and facilitating the water drops to drop into the water receiving tank.

3. According to the heat-insulating side plate and the heat-insulating backboard, the heat insulation can be carried out through the heat-insulating layer to reduce the influence caused by direct sunlight, and the condensation phenomenon of the inner water-insulating cover and the ventilation pipe can be immediately discharged after the upper support pipe, the lower support pipe and the lower drain pipe are matched, when the condensation phenomenon does not occur, the diversion holes in the heat-insulating side plate and the heat-insulating backboard can serve as air holes, a ventilation gas layer is formed under the negative pressure of the ventilation pipe, the heat-insulating effect is further enhanced, and the influence caused by sunlight irradiation is greatly reduced.

Drawings

FIG. 1 is a schematic view of a front perspective structure of the present invention;

FIG. 2 is a schematic view of the rear perspective structure of the present invention;

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

FIG. 4 is a schematic view of the internal structure of the cabinet of the invention;

FIG. 5 is a schematic top view cross-sectional structure of the insulating side panel of the present invention;

FIG. 6 is a schematic top view of embodiment 1 of the present invention;

fig. 7 is a schematic top structure of embodiment 2 of the present invention.

1, reinforcing a base; 2. ring main unit body; 3. a hinge; 4. a cabinet door; 5. an observation window; 6. a liquid crystal display; 7. status indicator lights; 8. a heat-insulating side plate; 801. a metal layer; 802. a thermal insulation layer; 803. a ventilation and flow guide layer; 9. a heat insulating back plate; 10. a handle; 11. a ventilation hood; 12. a water-proof inner cover; 121. a cover body; 122. embedding a sleeve; 123. a condensation diversion trench; 124. a hydrophobic coating; 13. a ventilation pipe; 131. a heat conduction pipe body; 132. heating the edges; 133. a connecting frame; 14. a solar heating mantle; 141. a glass cover; 142. a vacuum layer; 143. a heat absorbing sleeve; 15. an unpowered vent ball; 16. an upper support tube; 17. an upper support tube; 18. a temperature sensor; 19. a humidity sensor; 20. a DC power supply chamber; 21. an arc extinguishing chamber; 22. a load switching chamber; 23. a grounding switch chamber; 24. a fuse chamber; 25. a lower drain pipe; 26. a lower support tube; 27. a ventilation board; 28. and an air inlet hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

as shown in fig. 1-6, an embodiment of the present invention provides a ring main unit, which comprises a reinforcing base 1 and a ring main unit body 2, wherein the ring main unit body 2 is fixedly connected above the reinforcing base 1, one side of the ring main unit body 2 is fixedly connected with two hinges 3, the ring main unit body 2 is rotatably connected with a cabinet door 4 through the two hinges 3, an observation window 5 is arranged in the middle of the upper part of the cabinet door 4, a liquid crystal display 6 is arranged in the middle of the cabinet door 4 below the observation window 5, three status indicator lamps 7 are arranged in the middle of the cabinet door 4 below the liquid crystal display 6, a handle 10 is fixedly connected in the middle of one side of the cabinet door 4 far from the hinges 3, an arc extinguishing chamber 21 is arranged below the inner part of the ring main unit body 2, a load switch chamber 22 is arranged above the arc extinguishing chamber 21, a grounding switch chamber 23 is arranged above the load switch chamber 22, a fuse chamber 24 is arranged above the fuse chamber 24, a direct current power supply chamber 20 is arranged above the fuse chamber 20, and temperature sensors 18 and humidity sensors 19 are respectively arranged on two sides above the inside the direct current power supply chamber 20;

the lower support pipes 26 are fixedly connected to the lower sides of the two sides of the ring main unit body 2, the ventilation plates 27 are fixedly connected to the two sides of the ring main unit body 2 below the lower support pipes 26, a plurality of air inlet holes 28 are formed in an array mode on the two ventilation plates 27, the ventilation hood 11 is fixedly connected to the upper side of the ring main unit body 2, the inner side of the ventilation hood 11 is fixedly connected with the inner water-proof hood 12, the inner water-proof hood 12 comprises a hood body 121, a nested pipe 122, condensation guide grooves 123 and a hydrophobic coating 124, the nested pipe 122 is fixedly connected to the center of the upper side of the hood body 121, a plurality of condensation guide grooves 123 are uniformly formed in the inner side of the hood body 121, a hydrophobic coating 124 is arranged between the condensation guide grooves 123 on the inner wall of the hood body 121, a ventilation pipe 13 is fixedly connected to the top of the ventilation hood 11, the ventilation pipe 13 comprises a heat pipe body 131, a heating edge 132 and a connecting frame 133, a plurality of heating edges 132 are uniformly formed in the inner side of the heat pipe 131, the connecting frame 133 is fixedly connected to the position, corresponding to the nested tube 122, below the inner part of the heat conducting tube body 131, the solar heating cover 14 is arranged on the outer side of the ventilation tube 13, the solar heating cover 14 comprises a glass cover 141, a vacuum layer 142 and a heat absorbing sleeve 143, the glass cover 141 is fixedly connected with the heat conducting tube body 131 in a nested manner, the inner side of the heat absorbing sleeve 143 is fixedly connected with the heat conducting tube body 131, the two ends of the glass cover 141 are fixedly connected with the two ends of the heat absorbing sleeve 143, the vacuum layer 142 is arranged between the glass cover 141 and the heat absorbing sleeve 143, the blackbody coating is arranged on the outer surface of the heat absorbing sleeve 143, the unpowered ventilation ball 15 is fixedly connected to one end, far away from the ventilation tube 13, arranged on the top of the cabinet body, of the ventilation tube 13 and the solar heating cover 14, and the unpowered ventilation ball 15 are matched when the solar heating device is used in high-temperature environment, the air in the ventilation pipe 13 can be heated and warmed through the effect of solar heating under the high-temperature environment, so that the hot air rises, and the rising flow of the hot air can generate suction negative pressure in the ring main unit body 2, the high-temperature air in the ring main unit body 2 is pumped away through the ventilation hood 11, meanwhile, the unpowered ventilation ball 15 can be pushed to rotate due to the flowing of rising air flow, so that stronger suction force can be formed through the rotation of the unpowered ventilation ball 15, and under the condition that the outside air flows, the unpowered ventilation ball 15 can further strengthen the suction force by wind force, and the two parts of the air heated by the solar energy are acted, so that the utilization efficiency of solar energy is effectively improved, the original weak rising air flow generates a larger effect, the stronger sun light is, the stronger ventilation efficiency is, the ventilation heat dissipation efficiency is greatly improved, and the structure is simple, and the movable part only has one part of the unpowered ventilation ball 15, so that the subsequent maintenance cost is greatly reduced;

the upper part of the ring main unit body 2 is close to and far from both ends of the cabinet door 4 and is fixedly connected with upper support pipes 16, both sides of the upper part of the ring main unit body 2 are fixedly connected with upper support pipes 17, the two upper support pipes 16 are mutually communicated through the two upper support pipes 17, water receiving grooves are formed in the inner sides of the tops of the two upper support pipes 16 and the upper support pipes 17, the lower parts of the ventilation hoods 11 are fixedly connected with the outer side edges of the four water receiving grooves respectively, the lower parts of the hood bodies 121 correspond to the positions of the four water receiving grooves respectively, and condensed water is convenient to fall into the water receiving grooves;

the two sides of the ring main unit body 2 are fixedly connected with heat insulation side plates 8 between the lower side supporting pipes 26 and the upper side supporting pipes 17, the heat insulation side plates 8 comprise a metal layer 801, a heat insulation layer 802 and a ventilation diversion layer 803, the inner side of the metal layer 801 is fixedly connected with the heat insulation layer 802, one side of the heat insulation layer 802 far away from the metal layer 801 is fixedly connected with the ventilation diversion layer 803, the ventilation diversion layer 803 is provided with a plurality of diversion holes, the upper end and the lower end of the ventilation diversion layer 803 of the two heat insulation side plates 8 are respectively fixedly communicated with the corresponding upper side supporting pipes 17 and lower side supporting pipes 26, one side of the ring main unit body 2 far away from the cabinet door 4 is fixedly connected with a lower drain pipe 25, one ends of the two lower side supporting pipes 26 close to the heat insulation backboard 9 are respectively fixedly communicated with two ends of the lower drain pipe 25, a plurality of drain holes are arranged below the outer side of the lower drain pipe 25, the heat insulation back plate 9 is fixedly connected between the lower drain pipe 25 and the upper support pipe 16 on the surface of the ring main unit body 2 far away from the cabinet door 4, the heat insulation back plate 9 has the same structure as the heat insulation side plate 8, the upper part and the lower part of the heat insulation back plate 9 are fixedly communicated with the upper support pipe 16 and the lower drain pipe 25 respectively, when the air humidity is higher, the ventilation cover 11 and the ventilation pipe 13 can generate a water vapor condensation phenomenon, the work of internal components can be influenced when water drops fall down, the water-proof inner cover 12 arranged in the ventilation cover 11 forms a separation layer between the cover body 121 and the ventilation cover 11, the negative pressure of the ventilation pipe 13 is matched, the heat insulation effect can be reduced, the influence of direct sunlight can be also received by the water drops condensed by the ventilation cover 11, the condensed guide groove 123 and the hydrophobic coating 124 arranged on the inner side of the cover body 121 can guide the water vapor to condense to the position of the condensed guide groove 123 through the embedded sleeve 122, the adhesion quantity of water drops is improved by utilizing the action of water surface tension through the concave condensation diversion trench 123, so that the direct dropping of the water drops can be effectively prevented, the water drops can conveniently drop into the water receiving tank along the tank body, and the influence of the condensation water drops is effectively reduced; after the condensation phenomenon occurs in the inner water-proof cover 12 and the ventilation pipe 13, the upper support pipe 16, the upper support pipe 17, the lower support pipe 26 and the lower drain pipe 25 are matched with the heat-insulating side plate 8 and the heat-insulating back plate 9, and condensation water can be timely discharged through the diversion holes in the ventilation diversion layer 803.

Embodiment two:

the present embodiment is different from the first embodiment in that: when the equipment installation area is in a dry and rainless environment, as shown in fig. 1-5 and 7, the embodiment of the invention provides a ring main unit, which comprises a reinforcing base 1 and a ring main unit body 2, wherein the ring main unit body 2 is fixedly connected above the reinforcing base 1, two hinges 3 are fixedly connected on one side of the ring main unit body 2, a cabinet door 4 is rotatably connected with the ring main unit body 2 through the two hinges 3, an observation window 5 is arranged in the middle of the upper part of the cabinet door 4, a liquid crystal display 6 is arranged in the middle of the cabinet door 4 below the observation window 5, three status indicator lamps 7 are arranged in the middle of the cabinet door 4 below the liquid crystal display 6, a handle 10 is fixedly connected in the middle of one side of the cabinet door 4 away from the hinges 3, an arc extinguishing chamber 21 is arranged below the inner part of the ring main unit body 2, a load switch chamber 22 is arranged above the arc extinguishing chamber 21, a grounding switch chamber 23 is arranged above the load switch chamber 22, a fuse chamber 24 is arranged above the grounding switch chamber 23, a direct current power supply chamber 20 is arranged above the fuse chamber 24, and temperature sensors 18 and humidity sensors 18 are respectively arranged above the direct current power supply chamber 20;

the lower support pipes 26 are fixedly connected to the lower sides of the two sides of the ring main unit body 2, the ventilation plates 27 are fixedly connected to the two sides of the ring main unit body 2 below the lower support pipes 26, a plurality of air inlet holes 28 are formed in an array mode on the two ventilation plates 27, the ventilation hood 11 is fixedly connected to the upper side of the ring main unit body 2, the inner side of the ventilation hood 11 is provided with the waterproof inner hood 12, the waterproof inner hood 12 comprises a hood body 121 and a nested pipe 122, the nested pipe 122 is fixedly connected to the center of the upper side of the hood body 121, the ventilation pipe 13 is fixedly connected to the top of the ventilation hood 11, the ventilation pipe 13 comprises a heat conducting pipe body 131, a heating edge 132 and a connecting frame 133, a plurality of heating edges 132 are uniformly formed in the inner side of the heat conducting pipe body 131, the connecting frame 133 is fixedly connected to the position, corresponding to the nested pipe 122, of the inner lower side of the heat conducting pipe body 131 is fixedly connected to the nested pipe 122 through the connecting frame 133, the solar heating cover 14 is arranged on the outer side of the ventilation pipe 13, the solar heating cover 14 comprises a glass cover 141, a vacuum layer 142 and a heat absorbing sleeve 143, the glass cover 141 and the heat conducting pipe 131 are fixedly connected with the inner side of the heat absorbing sleeve 143 in a nested manner, the two ends of the glass cover 141 are fixedly connected with the two ends of the heat absorbing sleeve 143, the vacuum layer 142 is arranged between the glass cover 141 and the heat absorbing sleeve 143, a black body coating is arranged on the outer surface of the heat absorbing sleeve 143, one end of the ventilation pipe 13 far away from the ventilation cover 11 is fixedly connected with a unpowered ventilation ball 15, when the solar heating cover is used under high-temperature conditions, through the ventilation pipe 13 and the solar heating cover 14 which are arranged at the top of the cabinet body, the air in the ventilation pipe 13 can be heated and warmed up under the action of solar heating, so that the hot air rises, and the rising flow of the hot air can generate negative pressure for pumping the inside the ring main unit 2, the high-temperature air in the ring main unit body 2 is pumped away through the ventilation hood 11, meanwhile, the unpowered ventilation ball 15 is pushed to rotate due to the flowing of ascending air flow, so that stronger suction force can be formed through the rotation of the unpowered ventilation ball 15, and when wind flows outside, the unpowered ventilation ball 15 can further strengthen the suction force by means of wind force, the air heated by solar energy can generate two parts of effects, so that the utilization efficiency of the solar energy is effectively improved, the original weak ascending air flow generates larger effects, the stronger the sun illumination is, the stronger the ventilation efficiency is, the ventilation and heat dissipation efficiency is greatly improved, and in addition, the structure is simple, the movable part only has one part of the unpowered ventilation ball 15, and the subsequent maintenance cost is greatly reduced;

the upper support pipes 16 are fixedly connected to the two ends, close to and far from the cabinet door 4, of the upper side of the ring main unit body 2, the upper support pipes 17 are fixedly connected to the two sides of the upper side of the ring main unit body 2, the two upper support pipes 16 are mutually communicated through the two upper support pipes 17, ventilation grooves are formed in the inner sides of the tops of the two upper support pipes 16 and the upper support pipes 17, the lower parts of the ventilation covers 11 are fixedly connected with the outer side edges of the four ventilation grooves respectively, and the lower parts of the cover bodies 121 are fixedly connected with the inner edges of the four ventilation grooves respectively, so that stronger suction force can be formed conveniently;

the two sides of the ring main unit body 2 are fixedly connected with heat insulation side plates 8 between the lower side supporting pipes 26 and the upper side supporting pipes 17, the heat insulation side plates 8 comprise a metal layer 801, a heat insulation layer 802 and a ventilation diversion layer 803, the inner side of the metal layer 801 is fixedly connected with the heat insulation layer 802, one side of the heat insulation layer 802 far away from the metal layer 801 is fixedly connected with the ventilation diversion layer 803, the ventilation diversion layer 803 is provided with a plurality of diversion holes, the upper ends and the lower ends of the ventilation diversion layer 803 of the two heat insulation side plates 8 are respectively fixedly communicated with the corresponding upper side supporting pipes 17 and lower side supporting pipes 26, a lower drain pipe 25 is fixedly connected below one side of the ring main unit body 2 far away from the cabinet door 4, one ends of the two lower side supporting pipes 26 close to the heat insulation backboard 9 are respectively fixedly communicated with two ends of the lower drain pipe 25, a plurality of wash ports have been seted up to lower drain pipe 25 outside below, the one side that cabinet door 4 was kept away from to looped netowrk cabinet body 2 is in the heat-proof backplate 9 of fixedly connected with between drain pipe 25 and last stay tube 16 down, heat-proof backplate 9 is the same with the structure and the structure of thermal-proof curb plate 8, the top and the below of thermal-proof backplate 9 are respectively with last stay tube 16 and lower drain pipe 25 fixed intercommunication, thermal-proof curb plate 8 and thermal-proof backplate 9 accessible insulating layer 802 insulate against heat and reduce the influence that the direct sunlight brought, the inside guiding hole of thermal-proof curb plate 8 and thermal-proof backplate 9 acts as the gas pocket, under the effect of ventilation pipe 13 negative pressure, form the circulation gas layer, in time take away the heat of coming from insulating layer 802 conduction, further strengthen the effect of thermal insulation, reduce the influence that the sunlight irradiation brought by a wide margin.

Working principle: when the solar energy type ventilating ball is used under high-temperature atmosphere, the ventilating pipe 13 and the solar heating cover 14 arranged at the top of the cabinet body are matched with the unpowered ventilating ball 15, so that under the high-temperature environment, the air in the ventilating pipe 13 is heated and warmed up through the solar heating effect, the hot air rises, the rising flow of the hot air can generate air suction negative pressure for the interior of the ring main unit 2, the high-temperature air in the ring main unit 2 is pumped out through the ventilating cover 11, meanwhile, the unpowered ventilating ball 15 is pushed to rotate due to the flowing of rising air flow, further stronger suction force can be formed through the rotation of the unpowered ventilating ball 15, and when the outside has wind flowing, the unpowered ventilating ball 15 can further strengthen the suction force, and the two parts of effects are generated through the air heated by the solar energy, so that the original utilization efficiency of the solar energy is effectively improved, the weak rising air flow generates a larger effect, the stronger sunlight is, the ventilation efficiency is greatly improved, the radiating efficiency is simple, and a movable part is only provided with a simple unpowered ventilating ball, so that the subsequent ventilating maintenance cost is greatly reduced; when the air humidity is higher, the ventilation hood 11 and the ventilation pipe 13 can generate a water vapor condensation phenomenon, when water drops fall, the work of internal components can be influenced, a water-proof inner hood 12 arranged in the ventilation hood 11 forms a separation layer between the hood body 121 and the ventilation hood 11, and the negative pressure of the ventilation pipe 13 is matched, so that the heat insulation effect can be formed to reduce the influence of direct sunlight, water drops condensed by the ventilation hood 11 can be received, the embedded pipe 122 is used for receiving the water condensed in the ventilation pipe 13, and the condensation diversion trench 123 and the hydrophobic coating 124 arranged in the inner side of the hood body 121 can guide the water vapor to condense to the position of the condensation diversion trench 123, and the water drop adhesion is improved by utilizing the water surface tension effect, the direct dripping can be effectively prevented, the water drops can conveniently fall into the water receiving trench along the water drops, and the influence of the condensation water drops is effectively reduced; after the condensation phenomenon appears in the inner water-proof cover 12 and the ventilation pipe 13, the upper support pipe 16, the upper support pipe 17, the lower support pipe 26 and the lower drain pipe 25 are matched with the heat insulation side plate 8 and the heat insulation back plate 9, the condensation water is discharged in time through the flow guide holes in the ventilation flow guide layer 803, the heat insulation side plate 8 and the heat insulation back plate 9 can insulate heat through the heat insulation layer 802 to reduce the influence caused by direct sunlight, when the condensation water does not appear, the flow guide holes in the heat insulation side plate 8 and the heat insulation back plate 9 can also serve as air holes, a circulation gas layer is formed under the action of negative pressure of the ventilation pipe 13, the heat insulation effect is further enhanced, and the influence caused by sunlight irradiation is greatly reduced.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a looped netowrk cabinet, includes reinforcement base (1) and looped netowrk cabinet body (2), its characterized in that: the intelligent cabinet temperature sensor comprises a reinforcing base (1), wherein a ring main unit body (2) is fixedly connected to the upper side of the reinforcing base (1), two hinges (3) are fixedly connected to one side of the ring main unit body (2), a cabinet door (4) is rotatably connected to the ring main unit body (2) through the two hinges (3), an observation window (5) is arranged in the middle of the upper side of the cabinet door (4), a liquid crystal display (6) is arranged in the middle of the cabinet door (4) below the observation window (5), three status indicator lamps (7) are arranged in the middle of the lower side of the liquid crystal display (6), a handle (10) is fixedly connected to the middle of one side of the cabinet door (4) away from the hinges (3), an arc extinguishing chamber (21) is arranged below the interior of the ring main unit body (2), a load switch chamber (22) is arranged above the arc extinguishing chamber (21), a grounding switch chamber (23) is arranged above the load switch chamber (22), a fuse chamber (24) is arranged above the grounding switch chamber (23), and a direct current sensor (20) is arranged above the fuse chamber (24), and a humidity sensor (20) is arranged above the fuse chamber (20);

the solar energy ring main unit comprises a ring main unit body (2), a plurality of ventilation holes (28) are formed in the two sides of the ring main unit body (2) in an array mode, a lower support pipe (26) is fixedly connected to the lower sides of the ring main unit body (2), ventilation plates (27) are fixedly connected to the two sides of the ring main unit body (2) below the lower support pipe (26), a plurality of ventilation holes (28) are formed in the two ventilation plates (27) in an array mode, a ventilation hood (11) is fixedly connected to the upper side of the ring main unit body (2), a ventilation pipe (13) is fixedly connected to the top of the ventilation hood (11), a solar heating hood (14) is arranged on the outer side of the ventilation pipe (13), and a power-free ventilation ball (15) is fixedly connected to one end, far away from the ventilation hood (11), of the ventilation pipe (13);

the inside fixedly connected with inner shield (12) of ventilation hood (11), the top of looped netowrk cabinet body (2) is close to and keeps away from both ends equal fixedly connected with of cabinet door (4) and goes up stay tube (16), the equal fixedly connected with upside stay tube (17) in the top both sides of looped netowrk cabinet body (2), the both sides of looped netowrk cabinet body (2) are in downside stay tube (26) and upside stay tube (17) between equal fixedly connected with thermal-insulated curb plate (8), one side below fixedly connected with drain pipe (25) of cabinet door (4) are kept away from to looped netowrk cabinet body (2), one side of cabinet door (4) is kept away from to looped netowrk cabinet body (2) is in fixedly connected with thermal-insulated backplate (9) between drain pipe (25) and last stay tube (16).

2. A ring main unit according to claim 1, wherein: the heat insulation side plate (8) comprises a metal layer (801), a heat insulation layer (802) and a ventilation flow guide layer (803), wherein the heat insulation layer (802) is fixedly connected to the inner side of the metal layer (801), the ventilation flow guide layer (803) is fixedly connected to one side, far away from the metal layer (801), of the heat insulation layer (802), the ventilation flow guide layer (803) is provided with a plurality of flow guide holes, and the heat insulation backboard (9) is identical to the heat insulation side plate (8) in structure.

3. A ring main unit according to claim 1, wherein: the waterproof inner cover (12) comprises a cover body (121), nested pipes (122), condensation guide grooves (123) and a hydrophobic coating (124), wherein the nested pipes (122) are fixedly connected to the center of the upper portion of the cover body (121), a plurality of condensation guide grooves (123) are uniformly formed in the inner side of the cover body (121), and the hydrophobic coating (124) is arranged on the inner wall of the cover body (121) between the condensation guide grooves (123).

4. A ring main unit according to claim 3, wherein: the ventilating pipe (13) comprises a heat conducting pipe body (131), heating ribs (132) and connecting frames (133), wherein a plurality of heating ribs (132) are uniformly arranged on the inner side of the heat conducting pipe body (131), the connecting frames (133) are fixedly connected to the positions, corresponding to the nested pipes (122), of the lower portions of the inner portions of the heat conducting pipe body (131), and the lower portions of the inner portions of the heat conducting pipe body (131) are fixedly connected with the nested pipes (122) through the connecting frames (133).

5. The ring main unit as recited in claim 4, wherein: the solar heating cover (14) comprises a glass cover (141), a vacuum layer (142) and a heat absorption sleeve (143), wherein the glass cover (141) and the heat conduction pipe body (131) are in nested fixed connection with the heat conduction pipe body (131) on the inner side of the heat absorption sleeve (143), two ends of the glass cover (141) are fixedly connected with two ends of the heat absorption sleeve (143), the vacuum layer (142) is arranged between the glass cover (141) and the heat absorption sleeve (143), and a black body coating is arranged on the outer surface of the heat absorption sleeve (143).

6. A ring main unit according to claim 3, wherein: the top insides of the two upper support pipes (16) and the upper support pipes (17) are respectively provided with a water receiving groove, the two upper support pipes (16) are mutually communicated through the two upper support pipes (17), the lower parts of the ventilation hoods (11) are respectively fixedly connected with the outer side edges of the four water receiving grooves, and the lower parts of the hood bodies (121) are respectively corresponding to the positions of the four water receiving grooves.

7. A ring main unit according to claim 2, wherein: the upper ends and the lower ends of the ventilation and flow guide layers (803) of the two heat insulation side plates (8) are fixedly communicated with the corresponding upper support tube (17) and lower support tube (26) respectively, and the upper part and the lower part of the heat insulation backboard (9) are fixedly communicated with the upper support tube (16) and the lower drain tube (25) respectively.

8. A ring main unit according to claim 1, wherein: one ends of the two lower support pipes (26) close to the heat insulation backboard (9) are fixedly communicated with two ends of the lower drain pipe (25) respectively, and a plurality of drain holes are formed in the lower portion of the outer side of the lower drain pipe (25).