CN112928644A

CN112928644A - Effective dampproofing and waterproofing's switch board

Info

Publication number: CN112928644A
Application number: CN202110132484.5A
Authority: CN
Inventors: 李锐坤
Original assignee: Individual
Current assignee: Zibo Tianyi Electrical Equipment Co ltd
Priority date: 2021-01-31
Filing date: 2021-01-31
Publication date: 2021-06-08
Anticipated expiration: 2041-01-31
Also published as: CN112928644B

Abstract

The invention discloses an effective waterproof and moistureproof power distribution cabinet, which comprises a bottom frame, wherein a baffle is fixedly connected in the bottom frame, a sealing cylinder is symmetrically and fixedly connected on the baffle in a penetrating manner, low-boiling-point evaporation liquid is stored in the sealing cylinder, a sliding rod is slidably inserted in the sealing cylinder, one end, close to the sealing cylinder, of the sliding rod is fixedly connected with a piston plate, the two sliding rods are fixedly connected with a shell together, an exhaust fan is arranged at the bottom of the shell, a gas pipe is fixedly connected to the bottom surface of the shell, a first bottom plate is fixedly connected in the shell, a second bottom plate is slidably connected in the shell, first magnetic poles are symmetrically arranged in the second bottom plate, a rain shielding plate is fixedly connected to each two supporting rods, and a second magnetic pole is arranged in the rain shielding. The exhaust fan is closed, the air pressure in the sealed air cylinder is reduced, the shell moves downwards into the bottom frame, and meanwhile, the second bottom plate is driven to move upwards to be abutted against the first bottom plate.

Description

Effective dampproofing and waterproofing's switch board

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of effectively preventing water and moisture.

Background

The switch equipment, the measuring instrument, the protective electric appliance and the auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement of the power distribution cabinet to form a low-voltage power distribution device. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state. It is commonly used in various power generation, distribution and transformation substations.

Chinese national patent publication No.: CN209001367U relates to a switch board, including the cabinet body, the air intake has been seted up to cabinet body bottom, and the air intake is fixed with the fan, and the cabinet body up end has been link up there is the main vent, and the cabinet body includes the cabinet door, and the side sealing connection that the cabinet body is except the cabinet door has the waterproof section of thick bamboo of the parcel cabinet body, waterproof section of thick bamboo upper end opening, and cabinet body bottom is provided with the landing leg and is connected with a waterproof section of thick bamboo, and cabinet body lateral wall, diapire and waterproof section of thick bamboo inner. Through the arrangement, air enters from the air inlet at the bottom of the cabinet body and is discharged from the main ventilation opening at the top end, and an air flowing channel is formed in the cabinet body, so that the heat dissipation effect is realized; through set up the waterproof bucket that exceeds ground of the parcel cabinet body outside the cabinet body, the waterproof bucket has wrapped up the three side of the cabinet body except that the cabinet door, forms the cavity that is used for supplying the air admission air intake between waterproof bucket and the cabinet body outer wall, can realize that ponding can not get into the cabinet body from the air intake of switch board bottom, reaches waterproof function.

The device can realize ponding and can not get into the cabinet body from the air intake of switch board bottom in the rainy day through the setting of waterproof bucket, reaches waterproof function, but because main vent and auxiliary vent's setting, it is internal that consequently can lead to moist air to get into the cabinet through main vent and auxiliary vent, and the steam adhesion in the air can cause electrical equipment to wet the short circuit for a long time on electrical apparatus.

Disclosure of Invention

The invention aims to overcome the defects that in the prior art, due to the arrangement of the main vent and the auxiliary vent, moist air enters the cabinet body through the main vent and the auxiliary vent, water vapor in the air is adhered to an electric appliance, and the electric appliance is affected with damp and short-circuited for a long time, so that the power distribution cabinet is effective in water and moisture prevention.

In order to achieve the purpose, the invention adopts the following technical scheme:

an effective waterproof and moistureproof power distribution cabinet comprises a bottom frame, a baffle is fixedly connected in the bottom frame, a plurality of air outlet holes are symmetrically formed in the baffle, sealing cylinders are symmetrically and fixedly connected on the baffle in a penetrating manner, the sealing cylinders are fixedly connected on the inner wall of the bottom side of the bottom frame, low-boiling-point evaporation liquid is stored in the sealing cylinders, the low-boiling-point evaporation liquid is liquid dichloromethane, sliding rods are slidably inserted in the sealing cylinders, a piston plate is fixedly connected to one end, close to the sealing cylinders, of each sliding rod, the piston plate is slidably connected to the inner wall of the sealing cylinders, a shell is fixedly connected to the two sliding rods together, an exhaust fan is arranged at the bottom of the shell, a gas pipe is fixedly connected to the bottom surface of the shell, the gas pipe is slidably connected to the baffle in a penetrating manner, a first bottom plate is fixedly connected in the shell, the first heat-insulating plate and the first bottom plate are jointly provided with a first heat-radiating hole, the shell is internally and slidably connected with a second bottom plate, the second bottom plate is positioned below the first bottom plate, the bottom surface of the second bottom plate is fixedly connected with a second heat-insulating plate, the second heat-insulating plate and the second bottom plate are jointly provided with a second heat-radiating hole, the second heat-radiating hole and the first heat-radiating hole are arranged in a staggered manner, a first magnetic pole is symmetrically arranged in the second bottom plate, eight support rods are symmetrically and fixedly connected onto the bottom frame, a rain-shielding plate is fixedly connected onto each two support rods, the rain-shielding plate is slidably connected onto the shell, a second magnetic pole is arranged in the rain-shielding plate, the second magnetic pole is matched with the first magnetic pole, a plurality of partition plates are fixedly connected into the shell, a plurality of air vents are arranged on the partition plates, air inlets are symmetrically, the shell is symmetrically hinged to a first door body and a second door body, a rotating shaft is rotatably connected to the first door body, a handle is fixedly connected to the rotating shaft, and a hook is fixedly connected to the second door body.

Preferably, the outer wall of the sealed cylinder is fixedly connected with a heat absorbing plate, the heat absorbing plate is made of a metal material, and the metal material is aluminum.

Preferably, a plurality of drying boxes are symmetrically and fixedly connected to the side wall of the shell, a plurality of round holes are formed in each drying box, drying agents are filled in the drying boxes, and the drying agents are silicon dioxide.

Preferably, a plurality of illuminating lamps are arranged in the shell, the illuminating lamps are arranged on the top wall and the partition plate in the shell, and the illuminating lamps are LED searchlights.

Preferably, fixedly connected with filter screen on the air inlet inner wall, the filter screen is located one side that one-way admission valve is close to the external world.

Preferably, the bottom end of the gas conveying pipe is fixedly connected with an annular plate.

Compared with the prior art, the invention has the beneficial effects that:

1. when the device is used, the exhaust fan is started to exhaust air in the shell, so that negative pressure is formed in the shell, outside cold air enters the shell through the one-way air inlet valve, an electric appliance in the shell is cooled, hot air in the shell is conveyed into a space formed by the bottom frame and the baffle through the air conveying pipe, heat in the hot air is absorbed and conducted by the heat absorbing plate to the sealing cylinder, low-boiling-point evaporation liquid in the sealing cylinder is heated to be evaporated, air pressure in the sealing cylinder is increased, the piston plate is driven to rise, the sliding rod is driven to move upwards, the shell is driven to move upwards to the upper portion of the bottom frame, meanwhile, the hot air absorbing most of heat is discharged through the air outlet holes, and the hot air dissipates when moving to the upper portion of the bottom frame, contact between the hot air and the outer wall of the shell is reduced, residual heat in the hot air is conducted into the shell through the shell, the heat dissipation effect of the device is improved.

2. When the rainy day comes, the exhaust fan is closed, so that the temperature in the sealed cylinder is reduced, the evaporation amount of the low-boiling-point evaporation liquid is reduced, the air pressure in the sealed cylinder is reduced, the piston plate moves downwards to drive the sliding rod to move downwards, the shell moves downwards to the bottom frame, meanwhile, the rain shielding plate moves upwards relative to the shell, the second bottom plate is driven to move upwards to abut against the first bottom plate under the cooperation of the first magnetic pole and the second magnetic pole, and due to the staggered arrangement of the first heat dissipation holes and the second heat dissipation holes, when the second bottom plate abuts against the first bottom plate, air cannot pass through the second bottom plate and the first bottom plate, so that a closed space is formed in the shell, the external humid air can be effectively prevented from entering the shell, the phenomenon that water vapor in the air enters the shell and adheres to an electric appliance in the case and causes the short circuit of the electric appliance for a long time is avoided, meanwhile, strong wind is often accompanied in rainy days, the gravity center of the whole device can be lowered by lowering the shell, the stability of the device is enhanced, the device is prevented from being damaged by strong wind, and the service life of the device is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a front side of a power distribution cabinet with effective waterproof and moistureproof functions according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a front view of the housing;

fig. 4 is a top view of fig. 1.

In the figure: 1 underframe, 2 baffles, 3 ventholes, 4 sealed cylinders, 5 absorber plates, 6 sliding rods, 7 piston plates, 8 shells, 9 gas pipes, 10 exhaust fans, 11 first bottom plates, 12 first heat preservation plates, 13 first heat dissipation holes, 14 second bottom plates, 15 second heat dissipation holes, 16 first magnetic poles, 17 second magnetic poles, 18 supporting rods, 19 rain shielding plates, 20 partition plates, 21 vent holes, 22 drying boxes, 23 illuminating lamps, 24 air inlets, 25 one-way air inlet valves, 26 filter screens, 27 first door bodies, 28 rotating shafts, 29 handles and 30 hooks.

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.

Referring to fig. 1-4, an effective waterproof and moistureproof power distribution cabinet comprises a bottom frame 1, a baffle 2 is fixedly connected in the bottom frame 1, a plurality of air outlets 3 are symmetrically formed in the baffle 2, so that air in a space formed by the baffle 2 and the bottom frame 1 can escape outwards through the air outlets 3, a sealing cylinder 4 is symmetrically and fixedly connected on the baffle 2 in a penetrating manner, the sealing cylinder 4 is fixedly connected on the inner wall of the bottom side of the bottom frame 1, a low-boiling-point evaporating liquid is stored in the sealing cylinder 4, the low-boiling-point evaporating liquid is liquid dichloromethane, when the sealing cylinder 4 is heated, the low-boiling-point evaporating liquid evaporates, so that the air pressure in the sealing cylinder 4 is increased, and a piston plate 7 is driven to move, a heat absorbing plate 5 is fixedly connected on the outer wall of the sealing cylinder 4, the heat absorbing plate 5 is made of a metal material, the metal material is aluminum, and aluminum with, make the absorber plate 5 can be better the heat in the absorption air, transmit for sealed cylinder 4, heat the evaporation liquid of low boiling point in the sealed cylinder 4, sliding insertion has slide bar 6 on the sealed cylinder 4, slide bar 6 is close to 4 one end fixedly connected with piston plate 7 of sealed cylinder, piston plate 7 sliding connection is on 4 inner walls of sealed cylinder, be equipped with sealed the pad on the piston plate 7, sealed pad is made for rubber materials, increases sealed cylinder 4's leakproofness.

A shell 8 is fixedly connected to the two sliding rods 6 together, an exhaust fan 10 is arranged at the bottom of the shell 8, a gas pipe 9 is fixedly connected to the bottom surface of the shell 8, the gas pipe 9 is connected to the baffle 2 in a penetrating and sliding manner, an annular plate is fixedly connected to the bottom end of the gas pipe 9 to prevent the gas pipe 9 from separating from the baffle 2, a first bottom plate 11 is fixedly connected to the inside of the shell 8, a first heat-insulating plate 12 is fixedly connected to the bottom surface of the first bottom plate 11, first heat-radiating holes 13 are formed in the first heat-insulating plate 12 and the first bottom plate 11 together, a second bottom plate 14 is slidably connected to the inside of the shell 8, the second bottom plate 14 is positioned below the first bottom plate 11, a second heat-insulating plate is fixedly connected to the bottom surface of the second bottom plate 14, foam plates are filled in the first heat-insulating plate 12 and the second heat-insulating plate, the heat-insulating effect of the heat, the symmetry is equipped with first magnetic pole 16 in the second bottom plate 14, and eight bracing pieces 18 of symmetry fixedly connected with are gone up to underframe 1, fixedly connected with dash board 19 on per two bracing pieces 18, dash board 19 sliding connection is on casing 8, is equipped with second magnetic pole 17 in dash board 19, and second magnetic pole 17 cooperatees with first magnetic pole 16.

A plurality of clapboards 20 are fixedly connected in the shell 8, a plurality of vent holes 21 are arranged on the clapboards 20, air inlets 24 are symmetrically arranged on the shell 8, one-way air inlet valves 25 are arranged on the inner walls of the air inlets 24, filter screens 26 are fixedly connected on the inner walls of the air inlets 24, the filter screens 26 are positioned on one sides of the one-way air inlet valves 25 close to the outside, the air entering the shell 8 is filtered, dust particles in the air are prevented from entering the shell 8, the dustproof effect is achieved, a plurality of drying boxes 22 are symmetrically and fixedly connected on the side walls of the shell 8, a plurality of round holes are arranged on the drying boxes 22, drying agents are filled in the drying boxes 22, the drying agents are silicon dioxide, moisture in the air in the shell 8 can be better absorbed through filling the drying agents in the drying boxes 22, the moisture-proof effect is improved, a plurality of illuminating, light 23 is the LED searchlight, when the staff need overhaul the electrical components in the casing 8, can open light 23, makes things convenient for the staff to work, and 8 symmetry hinges of casing have first door body 27 and the second door body, rotate on the first door body 27 and be connected with pivot 28, fixedly connected with handle 29 on the pivot 28, fixedly connected with hook 30 on the second door body.

In the invention, when a user uses the device, the exhaust fan 10 is started to exhaust air in the shell 8, so that negative pressure is formed in the shell 8, outside cold air enters the shell 8 through the one-way air inlet valve 25, an electric appliance in the shell 8 is cooled, hot air in the shell 8 is conveyed into a space formed by the bottom frame 1 and the baffle 2 through the air conveying pipe 9, heat in the hot air is absorbed by the heat absorbing plate 5 and is conducted to the sealing cylinder 4, low-boiling-point evaporation liquid in the sealing cylinder 4 is heated to be evaporated, the air pressure in the sealing cylinder 4 is increased, the piston plate 7 is driven to rise, the sliding rod 6 is driven to move upwards, the shell 8 is driven to move upwards to the upper part of the bottom frame 1, meanwhile, the hot air which absorbs most of heat is discharged through the air outlet hole 3, and the hot air is dissipated when moving to the upper part of the bottom frame 1, so that the contact between the hot air and the outer wall of the shell, the residual heat in hot air is reduced and is conducted into the shell 8 through the shell 8, the heat dissipation effect of the device is improved, when a rainy day comes, the exhaust fan 10 is closed, the temperature in the sealed cylinder 4 is reduced, the evaporation capacity of low-boiling-point evaporation liquid is reduced, the air pressure in the sealed cylinder 4 is reduced, the piston plate 7 moves downwards to drive the sliding rod 6 to move downwards, the shell 8 moves downwards into the bottom frame 1, the rain shielding plate 19 moves upwards relative to the shell 8, the second bottom plate 14 is driven to move upwards under the matching of the first magnetic pole 16 and the second magnetic pole 17 to abut against the first bottom plate 11, and due to the staggered arrangement of the first heat dissipation holes 13 and the second heat dissipation holes 15, when the second bottom plate 14 abuts against the first bottom plate 11, air cannot pass through the second bottom plate 14 and the first bottom plate 11, so that a closed space is formed in the shell 8, and external humid air can be effectively prevented from entering the shell 8, the phenomenon that water vapor in the air enters the shell 8 and adheres to an electric appliance in rainy days to cause damp short circuit of the electric appliance for a long time is avoided, meanwhile, strong wind often accompanies rainy days, the gravity center of the whole device can be lowered by the falling of the shell 8, and the stability of the device is enhanced.

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. The utility model provides an effective dampproofing and waterproofing's switch board, includes underframe (1), its characterized in that, underframe (1) internal fixation is connected with baffle (2), a plurality of venthole (3) have been seted up to the symmetry on baffle (2), fixedly connected with seal cylinder (4) is run through to the symmetry on baffle (2), seal cylinder (4) fixed connection is on underframe (1) bottom side inner wall, there is low boiling evaporation liquid in seal cylinder (4), low boiling evaporation liquid is liquid dichloromethane, sliding interlude has slide bar (6) on seal cylinder (4), slide bar (6) are close to seal cylinder (4) one end fixedly connected with piston plate (7), piston plate (7) sliding connection is on seal cylinder (4) inner wall, two common fixedly connected with casing (8) on slide bar (6), an exhaust fan (10) is arranged at the bottom of the shell (8), a gas pipe (9) is fixedly connected to the bottom surface of the shell (8), the gas pipe (9) is connected to the baffle (2) in a penetrating and sliding manner, a first bottom plate (11) is fixedly connected to the inside of the shell (8), a first heat-insulating plate (12) is fixedly connected to the bottom surface of the first bottom plate (11), a first heat dissipation hole (13) is formed in the first heat-insulating plate (12) and the first bottom plate (11) together, a second bottom plate (14) is slidably connected to the inside of the shell (8), the second bottom plate (14) is positioned below the first bottom plate (11), a second heat-insulating plate is fixedly connected to the bottom surface of the second bottom plate (14), a second heat dissipation hole (15) is formed in the second heat-insulating plate and the second heat dissipation hole (14) together, and the second heat dissipation hole (15) and the, the improved structure of the automobile window is characterized in that first magnetic poles (16) are symmetrically arranged in the second bottom plate (14), eight support rods (18) are symmetrically and fixedly connected to the bottom frame (1), every two support rods (18) are fixedly connected to rain shielding plates (19), the rain shielding plates (19) are connected to the shell (8) in a sliding mode, second magnetic poles (17) are arranged in the rain shielding plates (19), the second magnetic poles (17) are matched with the first magnetic poles (16), a plurality of partition plates (20) are fixedly connected to the shell (8) in the shell, a plurality of vent holes (21) are formed in the partition plates (20), air inlets (24) are symmetrically formed in the shell (8), one-way air inlet valves (25) are arranged on the inner walls of the air inlets (24), the shell (8) is symmetrically hinged to a first door body (27) and a second door body, and a rotating shaft (28) is rotatably connected to the first door body (, the handle (29) is fixedly connected to the rotating shaft (28), and the hook (30) is fixedly connected to the second door body.

2. An effective waterproof and moistureproof power distribution cabinet according to claim 1, wherein a heat absorbing plate (5) is fixedly connected to the outer wall of the sealed cylinder (4), the heat absorbing plate (5) is made of metal material, and the metal material is aluminum.

3. The effective waterproof and moistureproof power distribution cabinet according to claim 1, wherein the side wall of the shell (8) is symmetrically and fixedly connected with a plurality of drying boxes (22), the drying boxes (22) are provided with a plurality of round holes, the drying boxes (22) are filled with a drying agent, and the drying agent is silicon dioxide.

4. An effective waterproof and moistureproof power distribution cabinet according to claim 1, wherein a plurality of illuminating lamps (23) are arranged in the casing (8), the illuminating lamps (23) are arranged on the top wall and the partition plate (20) in the casing (8), and the illuminating lamps (23) are LED searchlights.

5. An effective waterproof and moistureproof power distribution cabinet according to claim 1, wherein a filter screen (26) is fixedly connected to the inner wall of the air inlet (24), and the filter screen (26) is located on one side of the one-way air inlet valve (25) close to the outside.

6. The effective waterproof and moistureproof power distribution cabinet according to claim 1, wherein the bottom end of the gas pipe (9) is fixedly connected with an annular plate.