Rainproof low-voltage distribution box shell
Technical Field
The utility model relates to the technical field of low-voltage distribution boxes, in particular to a rainproof low-voltage distribution box shell.
Background
The rated current of the low-voltage power distribution cabinet is 50Hz, and a power distribution system with the rated voltage of 380v is used as power, and the power conversion and control of illumination and power distribution are realized. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriality and practicability, novel structure and the like.
By searching, the patent with the application number 202222891260.5 discloses a rainproof distribution box. The utility model comprises a protective shell and a box door, wherein one side of the protective shell is rotationally connected with the box door through a pin, one side of the box door is fixedly provided with a handle, the bottom of the protective shell is uniformly and fixedly provided with a plurality of supporting legs, the inner side of the protective shell is provided with a heat dissipation mechanism, the heat dissipation mechanism is used for dissipating heat of electric elements on the inner side of the protective shell, the heat dissipation mechanism comprises vent holes, a filter plate and a fan, both ends of the protective shell are respectively provided with a vent hole, and the inner sides of the vent holes are respectively fixedly provided with the filter plate. According to the utility model, through the structural design of the heat dissipation mechanism, the device is convenient for timely discharging heat generated by electronic elements in the protective shell, the working efficiency is quickened, the safety of the device is improved, and through the structural design of the rainproof mechanism, the device can prevent rainwater from entering the protective shell from the vent hole in the outdoor rainy day, so that safety accidents are avoided, and the device is beneficial to use.
The scheme has the following defects that most low-voltage distribution boxes in the prior art:
1. the telescopic film is used for blocking the heat dissipation holes, so that rainwater is prevented from entering the protective shell from the vent holes, but the telescopic film is arranged outside the box body and is extremely easy to damage due to external factors (wind, sun, rain and accidental damage of small animals);
2. the top of the distribution box is generally inclined to guide rainwater to flow outwards, however, the rainwater can flow onto the box body, even the rainwater enters the box body along the gap of the distribution box, and potential safety hazards exist; therefore, a rain-proof low-voltage distribution box shell needs to be provided.
Disclosure of Invention
The utility model aims to provide a rainproof low-voltage distribution box shell, in rainy days, a motor drives a rain shield plate to move downwards and be clamped in a radiating hole in a sealing way, so that rainwater is prevented from entering the distribution box from the radiating hole, a rain shield mechanism is arranged on the inner wall of the distribution box, the rain shield plate is lifted in the radiating hole, the corrosion of the external environment to the rain shield mechanism is reduced, unintentional damage of people or animals is avoided, the rainwater on a top cover can completely enter the top cover and flow to a water flow channel along a water outlet formed in the top cover, and finally the rainwater is discharged from a water outlet at the lower end of the outer wall of the distribution box, so that the rainwater is reduced to flow to the surface of the distribution box, and the potential safety hazard is reduced, so that the problem in the background technology is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the rain-proof low-voltage distribution box shell comprises a distribution box shell, a heat dissipation hole is formed in the side wall of the distribution box shell, a rain shielding mechanism capable of blocking the heat dissipation hole is movably arranged in the side wall of the distribution box shell, a driving assembly for driving the rain shielding mechanism to move is arranged on the inner wall of the distribution box shell, the rain shielding mechanism comprises a rain shielding plate, a first groove is formed in the inner top of the heat dissipation hole, and the rain shielding plate can be installed in the heat dissipation hole and the first groove in a lifting mode;
the top cap is installed at the top of block terminal shell, the top cap includes the apron main part, set up the return channel in the apron main part, the apopore has been seted up to the bottom in return channel, the rivers passageway has been seted up on the lateral wall of block terminal shell, the wash port has been seted up to the outer wall lower extreme of block terminal shell, wash port, rivers passageway and apopore intercommunication.
Preferably, the radiating holes are arranged as strip-shaped holes, a plurality of groups of radiating holes are vertically arranged at equal intervals, a rain-proof cap is fixed on the side part of the distribution box shell, and the rain-proof cap is positioned at the upper end of the radiating holes.
Preferably, the second groove and the third groove are respectively formed in the side wall of the distribution box shell, and the first groove, the second groove and the third groove are communicated.
Preferably, the through hole communicated with the third groove is formed in the inner wall of the distribution box shell, and the third groove is perpendicular to the through hole.
Preferably, the rain shielding mechanism further comprises a stand column slidably mounted in the third groove, a connecting column is connected between the stand column and the end part of the rain shielding plate, and the connecting column is movably mounted in the second groove.
Preferably, a connecting plate is fixed on one side of the upright post, a mounting plate is fixed on one side of the connecting plate, and a rack is arranged on the mounting plate.
Preferably, the connecting plate is slidably mounted in the through hole, and the upright posts and the mounting plate are perpendicular to the connecting plate.
Preferably, the inside wall of apron main part sets up to the inclined plane, be provided with the drainage piece on the apron main part, the drainage piece sets up to the drainage piece of prismatic table form.
Preferably, the bottom periphery of the cover plate main body is connected with guide plates, and the guide plates are triangular guide plates.
Preferably, two sets of box doors are rotatably arranged on one side of the distribution box shell.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the design of the rain shielding mechanism, in the rainy day, the motor drives the rain shielding plate to move downwards and is clamped in the heat dissipation holes in a sealing way, so that rainwater is prevented from entering the distribution box from the heat dissipation holes;
2. through the design of the rain shielding mechanism, the rain shielding mechanism is arranged on the inner wall of the distribution box, and the rain shielding plate is lifted in the heat dissipation holes, so that the corrosion of the external environment to the rain shielding mechanism is reduced, and the unintentional damage of people or animals is avoided;
3. through the design of top cap, wash port and water flow channel, offer a plurality of vertical distribution's water flow channel on the lateral wall of block terminal, and water flow channel and the downthehole intercommunication on the top cap, the outer wall lower extreme of block terminal has offered the wash port with water flow channel intercommunication, the rainwater that the utility model falls on the top cap can all get into in the top cap to along the downthehole flow channel that the top cap is inside offered, discharge from the wash port of block terminal outer wall lower extreme at last, reduce the rainwater flow direction block terminal surface, reduce the potential safety hazard.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic view of a rain shielding mechanism according to the present utility model;
fig. 4 is a schematic structural view of the top cover of the present utility model.
In the figure: 1. a distribution box housing; 2. a top cover; 21. a cover plate main body; 22. an inclined plane; 23. a drainage block; 24. a return groove; 25. a water outlet hole; 26. a deflector; 3. a door; 4. a heat radiation hole; 5. a rain cap; 6. a rain shielding mechanism; 61. a rain shield; 62. a connecting column; 63. a column; 64. a connecting plate; 65. a mounting plate; 66. a rack; 7. a drain hole; 8. a water flow channel; 9. a first groove; 10. a second groove; 11. a third groove; 12. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a rain-proof type low voltage distribution box shell, includes distribution box shell 1, all has seted up louvre 4 on the non-adjacent both sides wall of distribution box shell 1, and the inside activity of lateral wall of distribution box shell 1 is provided with the mechanism 6 that keeps off the rain that can shutoff louvre 4, in the rainy day, and the louvre 4 is gone up to mechanism 6 that keeps off the rain prevents that the rainwater from getting into in the distribution box shell 1.
The inner wall of the distribution box shell 1 is provided with a driving component for driving the rain shielding mechanism 6 to move, the driving component comprises a motor arranged in the distribution box shell 1, a gear is sleeved on an output shaft of the motor, the gear is meshed with a rack, the rain shielding mechanism 6 comprises a rain shielding plate 61, a first groove 9 is formed in the inner top of the heat dissipation hole 4, and the rain shielding plate 61 is arranged in the heat dissipation hole 4 and the first groove 9 in a lifting mode; the driving component drives the rain shield 61 to move;
the humidity sensor is also installed outside the distribution box shell 1, the controller is installed inside the distribution box shell 1, and the humidity sensor and the motor are both connected with the controller.
The top cap 2 is installed at the top of block terminal shell 1, and top cap 2 includes apron main part 21, has seted up the return channel 24 on the apron main part 21, and the apopore 25 has been seted up to the bottom in return channel 24, has seted up rivers passageway 8 on the lateral wall of block terminal shell 1, and rivers passageway 8 do not interfere with louvre 4 and mechanism 6 that keeps off the rain, and wash port 7 has been seted up to the outer wall lower extreme of block terminal shell 1, wash port 7, rivers passageway 8 and apopore 25 intercommunication.
After the rainwater falls on the top cover 2, the rainwater flows into the return groove 24 along the inclined surface 22 and the inclined side part of the drainage block 23, flows into the water flow channel 8 on the distribution box shell 1 along the water outlet 25 at the bottom of the return groove 24, and finally is discharged from the water outlet 7 at the lower end of the outer wall of the distribution box shell 1.
The radiating holes 4 are arranged to be strip-shaped holes, a plurality of groups of radiating holes 4 are vertically arranged at equal intervals, the rain-proof caps 5 are fixed on the side parts of the distribution box shell 1, the rain-proof caps 5 are arranged to be L-shaped, the rain-proof caps 5 are located at the upper ends of the radiating holes 4, and optionally, dustproof nets are arranged on the edge parts of the inner walls of the radiating holes 4 and do not interfere with the rain baffle 61.
The second groove 10 and the third groove 11 are respectively arranged in the side wall of the distribution box shell 1, and the first groove 9, the second groove 10 and the third groove 11 are communicated.
The through hole 12 communicated with the third groove 11 is formed in the inner wall of the distribution box shell 1, and the third groove 11 is perpendicular to the through hole 12.
The rain shielding mechanism 6 further comprises a stand column 63 slidably mounted in the third groove 11, a connecting column 62 is connected between the stand column 63 and the end of the rain shielding plate 61, and the connecting column 62 is movably mounted in the second groove 10.
A connecting plate 64 is fixed on one side of the upright post 63, a mounting plate 65 is fixed on one side of the connecting plate 64, and a rack 66 is arranged on the mounting plate 65.
The motor drives the gear to run, the gear drives the rack 66 to move downwards, the rack 66 drives the mounting plate 65, the connecting plate 64 and the upright post 63 to move downwards, and the upright post 63 drives the rain shield 61 to move downwards through the connecting post 62, namely the rain shield 61 moves downwards from the first groove 9 to the inside of the heat dissipation hole 4, so that the heat dissipation hole 4 is plugged;
the connection plate 64 is slidably mounted inside the through hole 12, and the upright post 63 and the mounting plate 65 are disposed perpendicularly to the connection plate 64.
The inside wall of apron main part 21 sets up to inclined plane 22, is provided with drainage piece 23 on the apron main part 21, and drainage piece 23 sets up to the drainage piece of prismatic table form. Rainwater flows into the return groove 24 along the inclined surface 22 and the inclined side of the drainage block 23.
The bottom periphery of the cover plate main body 21 is connected with a guide plate 26, and the guide plate 26 is a triangular guide plate, so that rainwater can be guided to flow outwards.
Two sets of box doors 3 are rotatably arranged on one side of the distribution box shell 1.
When the low-voltage distribution box is used outdoors, in a rainy day, a humidity sensor arranged outside the distribution box shell 1 detects that the ambient humidity is higher, and transmits the signal to a controller, the controller controls a motor to operate, the motor drives a gear to operate, the gear drives a rack 66 to move downwards, the rack 66 drives a mounting plate 65, a connecting plate 64 and a stand column 63 to move downwards, the stand column 63 drives a rain baffle 61 to move downwards through the connecting column 62, namely the rain baffle 61 moves downwards from the inside of the first groove 9 to the inside of the radiating hole 4, the radiating hole 4 is plugged, and rainwater is prevented from entering the inside of the distribution box shell 1 from the radiating hole 4;
and when raining, after the rainwater falls on the top cover 2, the rainwater flows into the return groove 24 along the inclined surface 22 and the inclined side part of the drainage block 23, flows into the water flow channel 8 on the distribution box shell 1 along the water drain hole 25 at the bottom of the return groove 24, and finally is discharged from the water drain hole 7 at the lower end of the outer wall of the distribution box shell 1.
Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.