CN211017959U

CN211017959U - Cubical switchboard for electrical engineering

Info

Publication number: CN211017959U
Application number: CN201922259870.1U
Authority: CN
Inventors: 陈清青
Original assignee: Sichuan Rongxin Power Transmission And Transformation Engineering Co ltd
Current assignee: Sichuan Rongxin Power Transmission And Transformation Engineering Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-14
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a cubical switchboard for electrical engineering belongs to cubical switchboard technical field, and it includes the cabinet body and cabinet door, and the cabinet body includes first curb plate and second curb plate, and the fresh air inlet has been seted up to first curb plate, and the exhaust vent has been seted up to the second curb plate, and the inner wall of first curb plate is provided with the fan, and the outer wall of first curb plate is provided with the air-supply line with the fresh air inlet intercommunication, is provided with the first filter screen that is used for filtered air in the air-supply line, is provided with the oil spout subassembly that is used for spraying first filter screen on. When the cabinet works, the fan works to suck outside air into the cabinet body and then the outside air is discharged through the air outlet hole, so that the air flow in the cabinet body is increased, the heat dissipation performance is improved, and the service life of components in the cabinet body is prolonged; and the oil spout subassembly improves the filtration adsorption efficiency of first filter screen to dust in the air to first filter screen oil spout, reduces the dust effectively and gets into the cabinet internal, prevents that the dust from influencing components and parts work, extension components and parts life.

Description

Cubical switchboard for electrical engineering

Technical Field

The utility model relates to a cubical switchboard technical field, in particular to cubical switchboard for electrical engineering.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system.

Chinese patent with grant publication number CN208316074U discloses a switch cabinet for electrical control system, which comprises a cabinet body, the cabinet body is provided with a cabinet door capable of being opened, a partition board is transversely arranged in the cabinet body, the partition board separates the cabinet body into an upper space and a lower space, a top cover is arranged above the upper space, a bottom layer is arranged below the lower space, a top cover supporting plate is arranged on one side of the top cover close to the upper space, and a square hole communicated with the upper space is arranged on the top cover supporting plate.

The prior art scheme among the above-mentioned has following defect, and the cubical switchboard can produce a large amount of heats in the use, can not in time effectually spill the heat that piles up inside, can cause inside components and parts to damage, influences the life of components and parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cubical switchboard for electrical engineering has the advantage that increases heat dispersion, extension components and parts life.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a cubical switchboard for electrical engineering, includes the cabinet body and cabinet door, the cabinet body includes first curb plate and second curb plate, the fresh air inlet has been seted up to first curb plate, the exhaust vent has been seted up to the second curb plate, the inner wall of first curb plate is provided with the fan, the outer wall of first curb plate is provided with the air-supply line with the fresh air inlet intercommunication, be provided with the first filter screen that is used for filtered air in the air-supply line, be provided with the oil spout subassembly that is used for spraying first filter screen on the cabinet body.

By adopting the technical scheme, when the cabinet works, the fan works to suck outside air into the cabinet body and then the outside air is discharged through the air outlet hole, so that the air flow in the cabinet body is increased, the heat dissipation performance is improved, and the service life of components in the cabinet body is prolonged; and the oil spout subassembly improves the filtration adsorption efficiency of first filter screen to dust in the air to first filter screen oil spout, reduces the dust effectively and gets into the cabinet internal, prevents that the dust from influencing components and parts work, extension components and parts life.

The present invention may be further configured in a preferred embodiment as: the oil injection assembly comprises an oil injection pipe, an oil storage tank, an oil conveying pipe and an oil pump, the oil injection pipe is arranged in the air inlet pipe, an oil collecting tank for collecting oil is fixedly arranged in the air inlet pipe, the oil collecting tank is positioned below the first filter screen, the oil storage tank is arranged outside the air inlet pipe and is communicated with the oil collecting tank through a connecting pipe, the oil pump is arranged on the air inlet pipe, and the input end of the oil pump is communicated with the oil storage tank; the oil delivery pipe is arranged on the air inlet pipe, one end of the oil delivery pipe is communicated with the oil injection pipe, and the other end of the oil delivery pipe is communicated with the output end of the oil pump.

By adopting the technical scheme, during work, the oil pump pumps oil in the oil storage tank to the oil injection pipe, and the oil injection pipe sprays the oil on the first filter screen, so that the effect of continuously supplementing oil to the first filter screen is realized, and the filtering effect of the first filter screen is increased; and redundant oil liquid drops downwards into the oil collecting tank and finally is gathered into the oil storage tank, so that the waste of the oil liquid is reduced.

The present invention may be further configured in a preferred embodiment as: the oil storage tank internal fixation is provided with the overflow plate that separates into first chamber and second chamber with the oil storage tank, the roof of overflow plate is provided with the second filter screen, connecting pipe and first chamber intercommunication, the input and the second chamber intercommunication of oil pump.

Through adopting above-mentioned technical scheme, the fluid of collecting in the oil trap is carried to the first intracavity of batch oil tank through the connecting pipe, and the less fluid of upper impurity flows into the second chamber from the top of overflow plate, and the second filter screen further plays the purpose of filtering fluid, prevents that impurity in the fluid from entering into the second chamber in to prevent that impurity from blockking up the oil pump.

The present invention may be further configured in a preferred embodiment as: the periphery of the first filter screen is arranged in a downward bending mode.

Through adopting above-mentioned technical scheme, excessive fluid flows around the crooked direction of first filter screen, in the inner wall inflow oil catch bowl of follow air-supply line at last, reduces the waste of fluid.

The present invention may be further configured in a preferred embodiment as: the air inlet pipe comprises a horizontal pipe and a vertical pipe which are mutually communicated, the horizontal pipe is communicated with an air inlet hole in the first side plate, the vertical pipe is vertically arranged, the first filter screen is detachably arranged in the vertical pipe, a branch pipe is arranged on the vertical pipe, and the branch pipe is communicated with the oil injection pipe through a metal corrugated pipe.

By adopting the technical scheme, the first filter screen is arranged in the vertical pipe, so that redundant oil can be conveniently gathered in the oil collecting tank; and first filter screen can be dismantled and set up in vertical intraductal, is convenient for take out first filter screen and clears up.

The present invention may be further configured in a preferred embodiment as: the top wall of the vertical pipe is provided with a clamping groove, and one end of the branch pipe is clamped with the clamping groove.

Through adopting above-mentioned technical scheme, branch pipe and draw-in groove joint play the purpose of injecing the branch pipe position for the branch pipe position is stable.

The present invention may be further configured in a preferred embodiment as: the top wall of vertical pipe has seted up the spout along vertical direction, the fixed slider that is provided with on the first filter screen, the slider slides with the spout and is connected.

Through adopting above-mentioned technical scheme, when installing first filter screen, insert the spout with the slider of first filter screen in, promote first filter screen downwards, slider and spout cooperation play the effect to first filter screen location for first filter screen keeps steady, the dismantlement of the first filter screen of being convenient for simultaneously.

The present invention may be further configured in a preferred embodiment as: the cabinet is internally and fixedly provided with a transverse plate, the transverse plate is provided with a through hole, the air inlet hole is arranged below the transverse plate, and the air outlet hole is arranged above the transverse plate.

Through adopting above-mentioned technical scheme, set up the fresh air inlet in the below of diaphragm, and the exhaust vent sets up in the top for external air gets into the lower part of the cabinet body earlier, then after the heat exchange, discharges from the upper portion of the cabinet body, makes the heat transfer effect better.

To sum up, the utility model discloses an following at least one useful technological effect:

1. when the cabinet works, the fan works to suck outside air into the cabinet body and then the outside air is discharged through the air outlet hole, so that the air flow in the cabinet body is increased, the heat dissipation performance is improved, and the service life of components in the cabinet body is prolonged; the oil injection assembly injects oil to the first filter screen, so that the filtering and adsorbing effects of the first filter screen on dust in air are improved, the dust is effectively prevented from entering the cabinet body, the dust is prevented from influencing the operation of components, and the service lives of the components are prolonged;

2. the oil collected in the oil collecting tank is conveyed into the first cavity of the oil storage tank through the connecting pipe, the oil with less impurities on the upper layer flows into the second cavity from the top of the overflow plate, and the second filter screen further achieves the purpose of filtering the oil, so that the impurities in the oil are prevented from entering the second cavity, and the oil pump is prevented from being blocked by the impurities;

3. when the first filter screen is installed, the sliding block of the first filter screen is inserted into the sliding groove, the first filter screen is pushed downwards, the sliding block is matched with the sliding groove, the positioning effect on the first filter screen is achieved, the first filter screen is kept stable, and meanwhile the first filter screen is convenient to detach.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic structural view of the fuel injection assembly of the present invention;

fig. 3 is a cross-sectional view of the air inlet pipe and the oil storage tank of the present invention.

Reference numerals: 1. a cabinet body; 11. a cabinet door; 12. a first side plate; 121. an air inlet hole; 122. a fan; 13. a second side plate; 131. an air outlet; 2. an air inlet pipe; 21. a first filter screen; 211. a slider; 22. a horizontal tube; 23. a vertical tube; 231. a card slot; 232. a chute; 3. an oil injection assembly; 31. an oil spray pipe; 32. an oil storage tank; 321. a first chamber; 322. a second chamber; 33. an oil delivery pipe; 34. an oil pump; 4. an overflow plate; 41. a second filter screen; 5. a branch pipe; 51. a metal bellows; 52. a spray head; 6. a transverse plate; 61. a through hole; 7. an oil sump; 71. an air duct; 72. and (4) connecting the pipes.

Detailed Description

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

As shown in fig. 1, for the utility model discloses a cubical switchboard for electrical engineering, including the cabinet body 1 and cabinet door 11, the cabinet body 1 includes first curb plate 12 and second curb plate 13, and fresh air inlet 121 has been seted up to first curb plate 12, and fresh air inlet 121 sets up one, and is located the bottom of first curb plate 12. The second side plate 13 is provided with a plurality of air outlet holes 131, and the air outlet holes 131 are located at the top of the second side plate 13.

As shown in fig. 1 and 2, the inner wall of the first side plate 12 is provided with a fan 122, and the fan 122 is installed in the air inlet hole 121. In this embodiment, the fan 122 is electrically connected to the power supply inside the cabinet 1 or an external power supply, and the fan 122 is in a normally open state. The cabinet body 1 internal fixation is provided with diaphragm 6, and through-hole 61 has been seted up to diaphragm 6, and fresh air inlet 121 sets up in the below of diaphragm 6, and exhaust vent 131 sets up in the top of diaphragm 6.

As shown in fig. 1 and 2, an air inlet pipe 2 communicated with an air inlet hole 121 is arranged on the outer wall of the first side plate 12, a first filter screen 21 for filtering air is arranged in the air inlet pipe 2, the periphery of the first filter screen 21 is bent downwards, the first filter screen is woven by stainless steel wires, and the concave surface of the first filter screen 21 faces downwards.

As shown in fig. 2 and 3, the cabinet 1 is provided with an oil spraying assembly 3 for spraying the first filter screen 21, and the oil spraying assembly 3 includes an oil spraying pipe 31, an oil storage tank 32, an oil conveying pipe 33 and an oil pump 34.

As shown in fig. 2 and 3, the air inlet duct 2 includes a horizontal duct 22 and a vertical duct 23 which are communicated with each other, the horizontal duct 22 is communicated with the air inlet holes 121 on the first side plate 12, and the vertical duct 23 is vertically disposed. One end of the oil injection pipe 31 far away from the oil pump 34 is communicated with a branch pipe 5, and the branch pipe 5 is arranged at the opening of the vertical pipe 23.

As shown in fig. 2 and 3, the first filter 21 is detachably disposed in the vertical pipe 23. In this embodiment, spout 232 has been seted up along vertical direction to the roof of vertical pipe 23, and spout 232 evenly sets up threely along the circumference of vertical pipe 23, and fixed slider 211 that is provided with on the first filter screen 21, slider 211 slides with spout 232 and is connected.

As shown in fig. 2 and 3, the top wall of the vertical tube 23 is provided with two slots 231, and the two slots 231 are uniformly distributed along the circumference of the vertical tube 23; the two ends of the branch pipe 5 are clamped in the clamping grooves 231, and the purpose of fixing the position of the branch pipe 5 is achieved. A plurality of nozzles 52 arranged downwards are arranged on the branch pipe 5; the branch pipe 5 and the fuel injection pipe 31 are communicated through a metal bellows 51. The branch pipe 5 and the oil spray pipe 31 are connected by a metal bellows 51, so that the branch pipe 5 is rotated and folded to take out the first filter screen 21.

As shown in fig. 3, an oil collecting tank 7 for collecting oil is fixedly arranged in the vertical pipe 23, the oil collecting tank 7 is positioned below the first filter screen 21, the oil storage tank 32 is arranged outside the air inlet pipe 2, and an air duct 71 for passing air is arranged in the middle of the oil collecting tank 7.

As shown in fig. 2 and 3, the oil reservoir 32 communicates with the oil sump 7 through a connecting pipe 72, wherein an overflow plate 4 that divides the oil reservoir 32 into a first chamber 321 and a second chamber 322 is fixedly disposed in the oil reservoir 32. The top wall of the overflow plate 4 is provided with a second filter 41 and the connecting tube 72 communicates with the first chamber 321. The oil pump 34 is disposed on the oil reservoir 32, and an input end of the oil pump 34 communicates with the second chamber 322. One end of the oil delivery pipe 33 is communicated with the oil injection pipe 31, and the other end is communicated with the output end of the oil pump 34.

During operation, the oil pump 34 pumps oil in the oil storage tank 32 to the oil injection pipe 31, and the oil injection pipe 31 sprays the oil onto the first filter screen 21, so that the effect of continuously supplementing oil to the first filter screen 21 is realized, and the filtering effect of the first filter screen 21 is increased; and redundant oil drops downwards into the oil collecting tank 7 and finally is gathered into the oil storage tank 32, so that the waste of the oil is reduced.

The implementation principle is as follows: the fan 122 works to suck the outside air into the cabinet body 1, and then the air is discharged through the air outlet 131, so that the air flow in the cabinet body 1 is increased, the heat dissipation performance is improved, and the service life of components in the cabinet body 1 is prolonged. The oil pump 34 pumps oil in the oil storage tank 32 to the oil injection pipe 31, and the oil injection pipe 31 sprays the oil onto the first filter screen 21, so that the effect of continuously supplementing oil to the first filter screen 21 is realized, the filtering and adsorbing effects of the first filter screen 21 on dust in air are improved, the dust is effectively prevented from entering the cabinet body 1, the dust is prevented from influencing the operation of components, and the service life of the components is prolonged;

the embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a cubical switchboard for electrical engineering, includes the cabinet body (1) and cabinet door (11), the cabinet body (1) includes first curb plate (12) and second curb plate (13), its characterized in that: the air inlet (121) have been seted up in first curb plate (12), exhaust vent (131) have been seted up in second curb plate (13), the inner wall of first curb plate (12) is provided with fan (122), the outer wall of first curb plate (12) is provided with air-supply line (2) with air inlet (121) intercommunication, be provided with first filter screen (21) that are used for filtered air in air-supply line (2), be provided with on the cabinet body (1) and be used for carrying out oil spout subassembly (3) that spray to first filter screen (21).

2. The switch cabinet for electrical engineering according to claim 1, wherein: the oil spraying assembly (3) comprises an oil spraying pipe (31), an oil storage tank (32), an oil conveying pipe (33) and an oil pump (34), the oil spraying pipe (31) is arranged in the air inlet pipe (2), an oil collecting tank (7) used for collecting oil is fixedly arranged in the air inlet pipe (2), the oil collecting tank (7) is located below the first filter screen (21), the oil storage tank (32) is arranged outside the air inlet pipe (2), the oil storage tank (32) is communicated with the oil collecting tank (7) through a connecting pipe (72), the oil pump (34) is arranged on the air inlet pipe (2), and the input end of the oil pump (34) is communicated with the oil storage tank (32); defeated oil pipe (33) set up on air-supply line (2), the one end and the oil spout pipe (31) intercommunication of defeated oil pipe (33), the other end and the output intercommunication of oil pump (34).

3. The switch cabinet for electrical engineering according to claim 2, wherein: the overflow plate (4) that oil storage tank (32) internal fixation was provided with and separates into first chamber (321) and second chamber (322) with oil storage tank (32), the roof of overflow plate (4) is provided with second filter screen (41), connecting pipe (72) and first chamber (321) intercommunication, the input and the second chamber (322) intercommunication of oil pump (34).

4. The switch cabinet for electrical engineering according to claim 3, wherein: the periphery of the first filter screen (21) is bent downwards.

5. The switch cabinet for electrical engineering according to claim 4, wherein: the air inlet pipe (2) comprises a horizontal pipe (22) and a vertical pipe (23) which are communicated with each other, the horizontal pipe (22) is communicated with an air inlet hole (121) on a first side plate (12), the vertical pipe (23) is vertically arranged, a first filter screen (21) is detachably arranged in the vertical pipe (23), a branch pipe (5) is arranged on the vertical pipe (23), and the branch pipe (5) is communicated with an oil injection pipe (31) through a metal corrugated pipe (51).

6. The switch cabinet for electrical engineering according to claim 5, wherein: the top wall of vertical pipe (23) has seted up draw-in groove (231), the one end and the draw-in groove (231) joint of branch pipe (5).

7. The switch cabinet for electrical engineering according to claim 6, wherein: the top wall of vertical pipe (23) has seted up spout (232) along vertical direction, fixed slider (211) of being provided with on first filter screen (21), slider (211) slide with spout (232) and are connected.

8. The switch cabinet for electrical engineering according to claim 1, wherein: the cabinet body (1) internal fixation is provided with diaphragm (6), through-hole (61) have been seted up in diaphragm (6), fresh air inlet (121) set up in the below of diaphragm (6), exhaust vent (131) set up in the top of diaphragm (6).