CN112510511A

CN112510511A - Outdoor electric power cabinet

Info

Publication number: CN112510511A
Application number: CN202011343728.6A
Authority: CN
Inventors: 陈益
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-16

Abstract

The invention belongs to the technical field of electric power cabinets, in particular to an outdoor electric power cabinet, aiming at the technical problem that rainwater is easy to blow into the electric power cabinet along with wind in the existing electric power cabinet in the weather of wind and rain, so that the electric equipment in the electric power cabinet is affected with damp and damaged, the invention provides the following scheme. According to the invention, through the heat-dissipation and damp-proof integrated device arranged at the heat-dissipation hole, rainwater can be effectively prevented from entering the interior of the cabinet body from the heat-dissipation hole in summer in high-temperature weather, and the larger the external wind force is, the more difficult the rainwater can enter the interior of the cabinet body, so that the waterproof performance is greatly improved, and the structure is simple and the cost is low.

Description

Outdoor electric power cabinet

Technical Field

The invention relates to the technical field of electric power cabinets, in particular to an outdoor electric power cabinet.

Background

The electric power cabinet is a common electric power infrastructure, and a large number of electric power components are arranged in the electric power cabinet, so that the protective requirement is high. At present, many electric power cabinets are used outdoors, and due to the influence of weather factors, the electric power cabinets are easy to overheat, damp, enter water and corrode, so that the service life of equipment and the safe power utilization are influenced.

Under the condition of rain and snow weather, because positions such as an electric power cabinet door and an electric power cabinet air vent are poor in sealing performance, water drops can enter the electric power cabinet from positions such as an electric power cabinet door gap and an electric power cabinet air vent, and the like, so that the interior of the electric power cabinet is affected with damp and even short circuit. Although there is the dampproofing and waterproofing of electric power cabinet to set up the measure among the prior art, still face the problem how intelligence opens dampproofand waterproofing equipment, and when reinforcing electric power cabinet leakproofness is strong, electric power cabinet and outside air momentum will reduce for equipment can not in time dispel the heat.

Through retrieval, the patent with the Chinese patent application number of CN201811226907.4 discloses an intelligent waterproof heat-dissipation electric power cabinet suitable for outdoor use, which comprises an electric power cabinet shell, wherein the top end of an inlet of the electric power cabinet is provided with a double-connected winding drum arranged on the electric power cabinet shell; the anti-theft roller shutter and the waterproof cloth are integrated together by adopting a double-combined winding drum, and the waterproof cloth is matched with the sealing plate to block rainwater outside the waterproof cloth; by the pre-judgment and the advanced operation of the controller, the waterproof cloth can act before the rain and snow weather comes, and the reliability of the waterproof device is improved; through setting up temperature sensor, portable fan, promote the radiating efficiency.

In order to improve the heat dissipation effect of the existing electric power cabinet, heat dissipation holes are generally arranged at the side ends of the electric power cabinet, however, due to the arrangement of the heat dissipation holes, rainwater is easy to blow into the electric power cabinet from the heat dissipation holes along with wind in the rainy weather, so that the electric equipment in the electric power cabinet is affected with damp and damaged; in addition, the rainfall is increased in summer, and the waterlogging easily occurs, so that the electrical equipment in the power cabinet is submerged by water.

Disclosure of Invention

The invention provides an outdoor electric power cabinet based on the technical problem that rainwater is easy to blow into the electric power cabinet from a radiating hole along with wind in the existing electric power cabinet in wind and rain weather, so that electric equipment in the electric power cabinet is affected with damp and damaged.

The invention provides an outdoor electric power cabinet, which comprises an electric power cabinet body, wherein the upper end and the lower end of the electric power cabinet body are respectively connected with a protective top cover and a fixed base, a solar photovoltaic plate is paved at the upper end of the protective top cover, the front end of the electric power cabinet body is hinged with a pair of switch doors, the outer ends of the switch doors are fixedly connected with a switch handle, an observation part is arranged on the switch doors, a plurality of heat dissipation holes are respectively arranged at the left side end and the right side end of the electric power cabinet body from top to bottom, a heat dissipation fan is fixedly connected at the top end in the electric power cabinet body, a heat dissipation and moisture prevention integrated device is connected at the heat dissipation holes and comprises a heat dissipation pipe, a sealing block, a compression spring, a first telescopic pipe and a support rod, the heat dissipation pipe is connected in the heat dissipation holes, the support rod is fixedly connected to the inner side of, and the first telescopic pipe is sleeved outside the compression spring.

Preferably, the end surface of the sealing block close to the radiating pipe is arranged to be a plane, the end surface of the sealing block far away from the radiating pipe is arranged to be an arc surface, and the cross sectional area of the sealing block parallel to the side end of the electric power cabinet body is larger than the cross sectional area of the radiating pipe parallel to the side end of the electric power cabinet body.

Preferably, the radiating pipe is fixedly sleeved with a fixing frame, and the fixing frame is fixedly connected with the outer wall of the electric power cabinet body through a bolt.

Preferably, the observation part is including deciding the observation window and moving the observation window, be provided with a plurality of viewing apertures on the switch door, decide the fixed joint of observation window in viewing aperture department, it articulates in viewing aperture department to move the observation window lower extreme, and moves the observation window and be located switch door inboard, move the inner wall buckle connection on observation window upper end and the viewing aperture.

Preferably, a through hole is formed in the middle of the sealing block, an air guide pipe is fixedly inserted into the through hole, an elastic sac piece is fixedly connected to the position, close to the pipe orifice of the first telescopic pipe, of the air guide pipe, and a filter screen is installed on the inner wall of the air guide pipe.

Preferably, a pair of electric putter of fixedly connected with between electric power cabinet body lower extreme and the unable adjustment base, the equal threaded connection in electric putter four corners department has the ground nail, unable adjustment base rear end fixedly connected with hanging base, and be connected with the ground nail on the hanging base equally, outer terminal middle part fixedly connected with waterlogging prevention device of electric power cabinet body.

Preferably, the waterlogging prevention device includes control box, control switch, clamp plate and plays and float the part, control box upper end fixedly connected with fixed plate, and the fixed plate passes through screw fixed connection in electric power cabinet body lower extreme, control switch fixed connection is in control box top middle part, control box lower extreme middle part is provided with the through-hole, the clamp plate is located the control box inboard, and the clamp plate lower extreme runs through the through-hole and with play and float part fixed connection, the control box front end articulates there is sealing door.

Preferably, the floating component comprises a sliding rod and a main floating plate, the upper end face of the main floating plate is provided with cambered surfaces with two downward sides, the pressing plate is positioned on the inner side of the control box, the upper end of the sliding rod is fixedly connected with the lower end of the pressing plate, and the lower end of the sliding rod penetrates through the through hole and is fixedly connected with the main floating plate.

Preferably, an extension spring is fixedly connected between the pressing plate and the bottom end of the control box, a third extension tube is sleeved outside the extension spring, the upper end and the lower end of the third extension tube are fixedly connected with the pressing plate and the control box respectively, a second extension tube is further sleeved outside the sliding rod, and the upper end and the lower end of the second extension tube are fixedly connected with the outer wall of the control box and the upper end of the main floating plate respectively.

Preferably, be provided with the rectangle slide opening on the main kickboard, and rectangle slide opening inboard is provided with deformation piece and a pair of supplementary kickboard, the deformation piece is for meeting water inflation rubber block, and the deformation piece is located rectangle slide opening middle part, a pair of supplementary kickboard be located deformation piece both sides respectively and with rectangle slide opening sliding connection, main kickboard lower extreme middle part is provided with the moist hole that is linked together with the rectangle slide opening.

The beneficial effects of the invention are as follows:

1. this outdoor electric power cabinet, through the cooling tube that includes that sets up in cooling hole department, the seal block, compression spring, the dampproofing integrated device of heat dissipation of first flexible pipe and branch, summer high temperature weather, outside wind-force is greater than when the steam air current pushes away from the dynamics, outside wind-force pushes away seal block to cooling tube mouth of pipe department, reduce the distance between cooling tube mouth of pipe and the seal block, thereby prevent that the rainwater from getting into the internal portion of cabinet from the cooling tube mouth of pipe, and outside wind-force is big more, the distance between cooling tube mouth of pipe and the seal block is little less, the rainwater is difficult for getting into the internal portion of cabinet more, the waterproof performance is greatly improved, and the steam.

2. According to the outdoor electric power cabinet, through the arranged observation part comprising the fixed observation window and the movable observation window, when the fixed observation window outside is damaged accidentally, the movable observation window on the inner layer can still play a stable sealing role, so that the damage of internal electric equipment caused by the fact that insects enter the cabinet body or rainwater is blown into the cabinet body because the damaged fixed observation window cannot be maintained and replaced timely is avoided; in addition, when the internal electrical equipment is maintained, the movable observation window can be opened, and the maintenance tool is placed at the upper end of the movable observation window, so that the tools can be taken and temporarily placed conveniently.

3. This outdoor electric power cabinet through fixed connection electric putter between electric power cabinet body lower extreme and unable adjustment base, at electric power cabinet body outer bottom end middle part fixed connection anti-waterlogging device, when taking place the waterlogging summer, utilizes the anti-waterlogging device automatic triggering a pair of electric putter to jack up the electric power cabinet body upwards, can prevent effectively that the electric power cabinet body from being submerged by water.

4. This outdoor electric power cabinet, through the supplementary kickboard that sets up, deformation piece and the moist hole of inhaling, when the waterlogging takes place summer, the surface of water upwards floats main kickboard, meanwhile, water is through inhaling during the deformation piece in the water hole soaks, deformation piece meets water inflation and extrudes supplementary kickboard to both sides, combines main kickboard increase buoyancy, utilizes the buoyancy of main kickboard combination supplementary kickboard to drive the board rebound contact control switch through the litter to through a pair of electric putter of external controller control top electric power cabinet body that makes progress.

Drawings

Fig. 1 is a perspective view of an outdoor power cabinet according to the present invention;

fig. 2 is a schematic front structural view of an outdoor electric power cabinet according to the present invention;

fig. 3 is a schematic structural view of a heat dissipation and moisture protection integrated device of an outdoor power cabinet according to the present invention in a partially cut-away state;

fig. 4 is a schematic structural diagram of the heat dissipation and moisture prevention integrated device of the outdoor power cabinet in a heat dissipation state;

FIG. 5 is a schematic view of the structure at A in FIG. 4;

fig. 6 is a schematic structural diagram of a waterlogging prevention device of an outdoor power cabinet according to the present invention;

fig. 7 is a schematic diagram of an internal structure of a waterlogging prevention device of an outdoor power cabinet according to the present invention;

fig. 8 is a schematic cross-sectional structure view of a waterlogging prevention device of an outdoor power cabinet according to the present invention.

In the figure: 1 electric cabinet body, 2 protective top cover, 3 switch door, 4 switch handle, 5 fixed observation window, 6 movable observation window, 7 fixed base, 8 electric push rod, 9 ground nail, 10 wall hanging base, 11 solar photovoltaic plate, 12 heat dissipation hole, 13 heat dissipation pipe, 14 sealing block, 15 fixed frame, 16 compression spring, 17 first extension pipe, 18 support rod, 19 control box, 20 fixed plate, 21 control switch, 22 slide rod, 23 main floating plate, 24 infiltration hole, 25 second extension pipe, 26 extension spring, 27 third extension pipe, 28 pressing plate, 29 deformation block, 30 auxiliary floating plate, 31 rectangular slide hole, 32 sealing door, 33 heat dissipation fan, 34 inflation pipe, 35 elastic bag piece and 36 filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-5, an outdoor electric power cabinet comprises an electric power cabinet body 1 with an upper end and a lower end respectively connected with a protective top cover 2 and a fixed base 7, a solar photovoltaic panel 11 is laid on the upper end of the protective top cover 2, a pair of switch doors 3 are hinged on the front end of the electric power cabinet body 1, a switch handle 4 is fixedly connected on the outer ends of the switch doors 3, an observation part is arranged on the switch doors 3, a plurality of radiating holes 12 are arranged on the left side and the right side of the electric power cabinet body 1 from top to bottom, a radiating fan 33 with a temperature sensor is fixedly connected on the top end in the electric power cabinet body 1, a radiating and damp-proof integrated device is connected at the radiating holes 12 and comprises a radiating pipe 13, a sealing block 14, a compression spring 16, a first telescopic pipe 17 and a supporting rod 18, the radiating pipe 13 is connected in the radiating holes 12, the supporting rod 18 is, the compression spring 16 and the first telescopic pipe 17 are fixedly connected between the sealing block 14 and the support rod 18, the first telescopic pipe 17 is sleeved outside the compression spring 16, when the temperature in the cabinet body is overhigh at ordinary times, the heat dissipation fan 33 blows air to dissipate heat, hot air is blown out from the heat dissipation pipe 13, the higher the temperature is, the higher the rotating speed of the heat dissipation fan 33 is, the stronger the heat dissipation effect is, the larger the hot air flow is, the sealing block 14 is pushed outwards, and stable heat dissipation is realized; in summer, when high-temperature weather, inside radiator fan 33 lasts work, the steam air current lasts outwards promotes sealed piece 14 and spills over, outside wind-force is greater than when the steam air current pushes away from the dynamics, outside wind-force pushes away sealed piece 14 to cooling tube 13 mouth of pipe department, reduce the distance between 13 mouths of pipe of cooling tube and the sealed piece 14, thereby prevent that the rainwater from getting into the internal portion of cabinet from 13 mouths of pipe of cooling tube, and outside wind-force is big more, the distance between 13 mouths of pipe of cooling tube and the sealed piece 14 is little less, the rainwater is difficult for getting into the internal portion of cabinet more, and the waterproof performance is greatly improved, and the steam generator is.

In the invention, the end face of the sealing block 14 close to the radiating pipe 13 is set to be a plane, the sealing block 14 can be completely attached to the pipe orifice of the radiating pipe 13 to play a complete sealing role, the end face of the sealing block 14 far away from the radiating pipe 13 is set to be an arc face, and the cross section area of the sealing block 14 parallel to the side end of the power cabinet body 1 is larger than the cross section area of the radiating pipe 13 parallel to the side end of the power cabinet body 1, so that the sealing block 14 can play a complete sealing role on the pipe orifice of the.

Wherein, fixed frame 15 has been cup jointed to the last fixed the cup joint of cooling tube 13, and fixed frame 15 passes through bolt and 1 outer wall fixed connection of electric power cabinet body, and the dampproofing integrated device's of the heat dissipation of being convenient for dismouting and change.

The observation part comprises a fixed observation window 5 and a movable observation window 6, a plurality of observation ports are arranged on the switch door 3, the fixed observation window 5 is fixedly clamped at the observation ports, the lower end of the movable observation window 6 is hinged at the observation ports, the movable observation window 6 is positioned at the inner side of the switch door 3, the maximum downward opening angle of the movable observation window 6 is ninety degrees, the upper end of the movable observation window 6 is connected with the inner wall of the observation ports in a buckling manner, when the external fixed observation window 5 is accidentally damaged, the movable observation window 6 on the inner layer can still play a stable sealing role, and the damage of internal electrical equipment caused by the fact that insects enter the interior of the cabinet body or rain is blown into the cabinet body due to the fact that the damaged fixed observation window 5 cannot be maintained and replaced in time is avoided; in addition, when the internal electrical equipment is maintained, the movable observation window 6 can be opened, and a maintenance tool is placed at the upper end of the movable observation window 6, so that the tool can be taken out and placed temporarily.

When the invention is used: when the temperature in the cabinet body is too high at ordinary times, the heat dissipation fan 33 blows air to dissipate heat, hot air is blown out from the heat dissipation pipe 13, the higher the temperature is, the higher the rotating speed of the heat dissipation fan 33 is, the stronger the heat dissipation effect is, the larger the hot air flow is, the sealing block 14 is pushed outwards, and stable heat dissipation is realized; in summer, when high-temperature weather, inside radiator fan 33 lasts work, the steam air current lasts outwards promotes sealed piece 14 and spills over, outside wind-force is greater than when the steam air current pushes away from the dynamics, outside wind-force pushes away sealed piece 14 to cooling tube 13 mouth of pipe department, reduce the distance between 13 mouths of pipe of cooling tube and the sealed piece 14, thereby prevent that the rainwater from getting into the internal portion of cabinet from 13 mouths of pipe of cooling tube, and outside wind-force is big more, the distance between 13 mouths of pipe of cooling tube and the sealed piece 14 is little less, the rainwater is difficult for getting into the internal portion of cabinet more, and the waterproof performance is greatly improved, and the steam generator is.

Example 2

Referring to fig. 4-5, this embodiment compares in embodiment 1, and sealed piece 14 middle part is provided with the through-hole, and fixed the pegging graft in the through-hole has air duct 34, and air duct 34 is close to the mouth of pipe of first flexible pipe 17 department fixed connection elasticity sack 35, and during the outside wind-up, wind bloated in elasticity sack 35 from air duct 34 for sealed piece 14 is changeed outside wind-force sealed cooling tube 13 of hand, and filter screen 36 is installed to air duct 34 inner wall, prevents that air duct 34 from blockking up.

Example 3

Referring to fig. 1, fig. 2, fig. 6-8, an outdoor electric power cabinet, this embodiment compares in embodiment 1 and embodiment 2, a pair of electric putter 8 of fixedly connected with between 1 lower extreme of electric power cabinet body and unable adjustment base 7, the equal threaded connection in electric putter 8 four corners department has ground nail 9, unable adjustment base 7 rear end fixedly connected with hanging base 10, and be connected with ground nail 9 on the hanging base 10 equally, be convenient for fix this electric power cabinet on the wall, outer terminal middle part fixedly connected with prevention waterlogging device in electric power cabinet body 1, when taking place the waterlogging summer, utilize the automatic a pair of electric putter 8 of triggering of prevention waterlogging device to jack up electric power cabinet body 1 upwards, can prevent effectively that electric power cabinet body 1 from being submerged by the waterlogging.

According to the invention, the waterlogging prevention device comprises a control box 19, a control switch 21, a pressing plate 28 and a floating component, wherein the upper end of the control box 19 is fixedly connected with a fixing plate 20, the fixing plate 20 is fixedly connected to the lower end of the power cabinet body 1 through a screw, the control switch 21 is fixedly connected to the middle of the inner top end of the control box 19, a through hole is formed in the middle of the lower end of the control box 19, the pressing plate 28 is located on the inner side of the control box 19, the lower end of the pressing plate 28 penetrates through the through hole and is fixedly connected with the floating component, the front end of the control box 19 is hinged with a sealing door 32, when waterlogging occurs in summer, the floating component floats upwards on the water surface, the floating component enables the pressing plate 28 to move upwards to trigger the control switch 21, so that a pair of electric push rods 8.

The floating part comprises a slide rod 22 and a main floating plate 23, a pressure plate 28 is positioned on the inner side of the control box 19, the upper end of the slide rod 22 is fixedly connected with the lower end of the pressure plate 28, the lower end of the slide rod 22 penetrates through the through hole and is fixedly connected with the main floating plate 23, when waterlogging occurs in summer, the main floating plate 23 floats upwards on the water surface, the main floating plate 23 drives the pressure plate 28 to move upwards through the slide rod 22 to contact the control switch 21, and therefore the pair of electric push rods 8 is controlled by an external controller to jack up the power cabinet body 1 upwards.

Wherein, fixedly connected with extension spring 26 between clamp plate 28 and the bottom end in the control box 19, and extension spring 26 outside cover is equipped with third flexible pipe 27, third flexible pipe 27 upper and lower both ends respectively with clamp plate 28 and control box 19 fixed connection, the pole 22 outside still overlaps and is equipped with second flexible pipe 25, and second flexible pipe 25 upper and lower both ends respectively with control box 19 outer wall and main kickboard 23 upper end fixed connection, second flexible pipe 25 sets up to the elastic plastic bellows, effectively prevents the inside intake of control box 19, can effectively prevent simultaneously pole 22 corrosion.

Wherein, the main kickboard 23 up end sets up to the decurrent cambered surface in both sides, and during the waterlogging, the setting of upper end cambered surface makes the difficult rubbish of piling up the aquatic of main kickboard 23 up end, and the difficult smooth floating that influences main kickboard 23.

When the invention is used: when water logging occurs in summer, the main floating plate 23 floats upwards on the water surface, the main floating plate 23 drives the pressing plate 28 to move upwards through the sliding rod 22 to contact the control switch 21, so that the pair of electric push rods 8 are controlled by the external controller to jack up the electric power cabinet body 1 upwards, and the electric power cabinet body 1 is effectively prevented from being submerged by water.

Example 4

Referring to fig. 6-8, in this embodiment, compared with embodiment 1, embodiment 2 and embodiment 3, a rectangular sliding hole 31 is formed in the main floating plate 23, a deformation block 29 and a pair of auxiliary floating plates 30 are disposed inside the rectangular sliding hole 31, the deformation block 29 is a water-swelling rubber block, the deformation block 29 is located in the middle of the rectangular sliding hole 31, the pair of auxiliary floating plates 30 are respectively located on two sides of the deformation block 29 and slidably connected to the rectangular sliding hole 31, and a water-infiltrating hole 24 communicated with the rectangular sliding hole 31 is disposed in the middle of the lower end of the main floating plate 23.

When the invention is used: when the waterlogging takes place in summer, the surface of water upwards floats main kickboard 23, meanwhile, water soaks deformation block 29 through inhaling water hole 24 in, deformation block 29 meets water inflation and extrudes supplementary kickboard 30 to both sides, combine main kickboard 23 increase buoyancy, utilize main kickboard 23 to combine the buoyancy of supplementary kickboard 30 to drive the contact control switch 21 that upwards moves of clamp plate 28 through litter 22, thereby control a pair of electric putter 8 through external controller and upwards jack-up power cabinet body 1, prevent effectively that power cabinet body 1 from being submerged by water.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An outdoor electric power cabinet comprises an electric power cabinet body (1) with an upper end and a lower end respectively connected with a protective top cover (2) and a fixed base (7), a solar photovoltaic plate (11) is laid at the upper end of the protective top cover (2), the front end of the electric power cabinet body (1) is hinged with a pair of switch doors (3), the outer ends of the switch doors (3) are fixedly connected with switch handles (4), an observation part is arranged on each switch door (3), a plurality of radiating holes (12) are arranged at the left side end and the right side end of the electric power cabinet body (1) from top to bottom, a radiating fan (33) is fixedly connected at the inner top end of the electric power cabinet body (1), the outdoor electric power cabinet is characterized in that the radiating holes (12) are connected with a radiating damp-proof integrated device which comprises a radiating pipe (13), a sealing block (14), a compression spring (16), a first telescopic pipe (17, the radiating pipe (13) is connected in the radiating hole (12), the supporting rod (18) is fixedly connected to the inner side of the radiating pipe (13), the sealing block (14) is located on the outer side, away from the electric power cabinet body (1), of the radiating pipe (13), the compression spring (16) and the first telescopic pipe (17) are fixedly connected between the sealing block (14) and the supporting rod (18), and the compression spring (16) is sleeved with the first telescopic pipe (17).

2. An outdoor electric power cabinet according to claim 1, wherein the end surface of the sealing block (14) close to the radiating pipe (13) is arranged as a plane, the end surface of the sealing block (14) far from the radiating pipe (13) is arranged as an arc surface, and the cross-sectional area of the sealing block (14) parallel to the side end of the electric power cabinet body (1) is larger than the cross-sectional area of the radiating pipe (13) parallel to the side end of the electric power cabinet body (1).

3. The outdoor electric power cabinet as claimed in claim 2, wherein the heat dissipation pipe (13) is fixedly sleeved with a fixing frame (15), and the fixing frame (15) is fixedly connected with the outer wall of the electric power cabinet body (1) through bolts.

4. An outdoor electric power cabinet according to any one of claims 1-3, characterized in that a through hole is arranged in the middle of the sealing block (14), an air duct (34) is fixedly inserted into the through hole, an elastic bag piece (35) is fixedly connected to the air duct (34) near the opening of the first telescopic tube (17), and a filter screen (36) is installed on the inner wall of the air duct (34).

5. The outdoor power cabinet according to claim 4, wherein the observation component comprises a fixed observation window (5) and a movable observation window (6), the switch door (3) is provided with a plurality of observation ports, the fixed observation window (5) is fixedly clamped at the observation ports, the lower end of the movable observation window (6) is hinged at the observation ports, the movable observation window (6) is positioned at the inner side of the switch door (3), and the upper end of the movable observation window (6) is connected with the inner wall of the observation ports in a buckling manner.

6. An outdoor electric power cabinet according to claim 5, characterized in that a pair of electric push rods (8) is fixedly connected between the lower end of the electric power cabinet body (1) and the fixed base (7), the four corners of the electric push rods (8) are all connected with ground nails (9) in a threaded manner, the rear end of the fixed base (7) is fixedly connected with a wall-mounted base (10), the wall-mounted base (10) is also connected with the ground nails (9), and the outer bottom middle of the electric power cabinet body (1) is fixedly connected with a waterlogging prevention device.

7. The outdoor power cabinet according to claim 6, wherein the waterlogging prevention device comprises a control box (19), a control switch (21), a pressing plate (28) and a floating component, a fixing plate (20) is fixedly connected to the upper end of the control box (19), the fixing plate (20) is fixedly connected to the lower end of the power cabinet body (1) through screws, the control switch (21) is fixedly connected to the middle of the inner top end of the control box (19), a through hole is formed in the middle of the lower end of the control box (19), the pressing plate (28) is located on the inner side of the control box (19), the lower end of the pressing plate (28) penetrates through the through hole and is fixedly connected with the floating component, and a sealing door (32) is hinged to the front end of the control box (19).

8. An outdoor electric power cabinet according to claim 7, wherein the floating component comprises a slide rod (22) and a main floating plate (23), the upper end surface of the main floating plate (23) is provided with an arc surface with two downward sides, the pressing plate (28) is located inside the control box (19), the upper end of the slide rod (22) is fixedly connected with the lower end of the pressing plate (28), and the lower end of the slide rod (22) penetrates through the through hole and is fixedly connected with the main floating plate (23).

9. An outdoor electric power cabinet according to claim 8, wherein an extension spring (26) is fixedly connected between the pressing plate (28) and the inner bottom end of the control box (19), a third extension tube (27) is sleeved outside the extension spring (26), the upper end and the lower end of the third extension tube (27) are respectively fixedly connected with the pressing plate (28) and the control box (19), a second extension tube (25) is further sleeved outside the sliding rod (22), and the upper end and the lower end of the second extension tube (25) are respectively fixedly connected with the outer wall of the control box (19) and the upper end of the main floating plate (23).

10. The outdoor power cabinet according to claim 9, wherein the main floating plate (23) is provided with a rectangular sliding hole (31), the inner side of the rectangular sliding hole (31) is provided with a deformation block (29) and a pair of auxiliary floating plates (30), the deformation block (29) is a water-swelling rubber block, the deformation block (29) is located in the middle of the rectangular sliding hole (31), the pair of auxiliary floating plates (30) are respectively located on two sides of the deformation block (29) and are in sliding connection with the rectangular sliding hole (31), and the middle of the lower end of the main floating plate (23) is provided with a water-permeating hole (24) communicated with the rectangular sliding hole (31).