CN216959026U

CN216959026U - Ventilation device for distribution box

Info

Publication number: CN216959026U
Application number: CN202122330488.2U
Authority: CN
Inventors: 徐文华; 叶江华
Original assignee: Ningxia Shengshi Huaxin Electrical Switch Co ltd
Current assignee: Ningxia Shengshi Huaxin Electrical Switch Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-07-12
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to the technical field of power distribution cabinets, and discloses a ventilation device for a power distribution cabinet, which comprises a power distribution cabinet assembly and a ventilation assembly, wherein the power distribution cabinet assembly comprises a cabinet body, the ventilation assembly is arranged in the cabinet body, the ventilation assembly comprises a connecting frame, a fan frame is fixedly connected in the connecting frame, and a ventilation fan is fixedly arranged in the fan frame; through having set up connection frame and shutter respectively at the both ends of the cabinet body, the internal portion of cabinet forms penetrating structure, and the ventilating fan takes the air of inside out, can make the internal air of cabinet keep dry all the time, when touchhing rainy weather, the electronic baffle of control closes after the external humidity transducer of cabinet receives damp influence, it falls into wherein to have avoided rainwater, the inside exhaust fan of heat dissipation frame bottom of cabinet body takes the internal air out from cabinet body bottom, and whole device still can normally ventilate, the auxiliary assembly has been increased simultaneously, more be favorable to inside ventilation work.

Description

Ventilation device for distribution box

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a ventilation device for a power distribution cabinet.

Background

The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for the occasion that the load is concentrated, the return circuit is more, they distribute the electric energy of a certain circuit of the distribution equipment of the first level to the load nearby, this level of equipment offers protection, supervision and control to the load, because there are many electrical components in the inside of switch board, can produce a lot of heats when working under dry environment, the performance of switch board can be influenced to the heat many, and inside also can wet under the humid environment, can cause the injury to electrical component equally, just need to ventilate the operation to cabinet body inside constantly from this.

Among the prior art, the ventilation unit of most switch boards is comparatively simple on the market, and when meetting rainy day, the rainwater gets into inside the switch board from the vent easily to cause the injury to inside electrical components.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the ventilation device for the distribution box, which has the advantage of being not influenced by rainwater in rainy days, and solves the problem that rainwater easily enters the distribution box from the ventilation opening in rainy days to damage internal electrical components because the ventilation device of the distribution box is simpler.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a ventilation unit for block terminal, includes switch board subassembly and ventilation assembly, the switch board subassembly includes the cabinet body, the inside of the cabinet body is provided with ventilation assembly, ventilation assembly includes the splice frame, the inside fixed connection fan frame of splice frame, the inside fixed mounting of fan frame has the ventilating fan, the bottom of the cabinet body is provided with the heat dissipation frame, the outside fixed mounting of splice frame has the protective frame, the inside top swing joint of protective frame has electronic baffle, the upper portion fixed mounting of protective frame has humidity transducer.

Preferably, the switch board subassembly includes the support column, the inside of support column is provided with auxiliary assembly, auxiliary assembly includes electric putter, the connecting block is installed at electric putter's top, the bottom fixedly connected with base of support column, the top fixedly connected with protection tube of base.

Through adopting above-mentioned scheme, through having increased the ventilation work that auxiliary assembly more was favorable to inside.

Preferably, the inner walls of the two sides of the cabinet body are fixedly provided with hinges, the cabinet door is fixedly arranged outside the hinges, a blind window is arranged outside the cabinet door, a handle is arranged outside the cabinet door, the top of the cabinet body is fixedly provided with a protective top, and the bottom of the cabinet body is movably connected with a support column.

By adopting the scheme, the cabinet body can be effectively prevented from being damaged by rainwater due to sun exposure by adding the protective top.

Preferably, the connection frame the fan frame with the ventilating fan all has two, and the connection frame the fan frame with the ventilating fan is bilateral symmetry and installs one side inner wall of the cabinet body.

Through adopting above-mentioned scheme, through being provided with two, can be more favorable to ventilating the processing to switch board inside.

Preferably, the number of the shutters is two, and the shutters are symmetrically arranged outside the cabinet door.

Through adopting above-mentioned scheme, through setting the shutter to two the ventilation cooling's that is favorable to improving whole device efficiency.

Preferably, an exhaust fan is arranged in the heat dissipation frame.

By adopting the scheme, the ventilation work inside can not be influenced in the rainy time by arranging the exhaust fan inside the box body.

Preferably, the humidity sensor is connected with the control ends of the electric baffle and the electric push rod.

By adopting the scheme, the internal elements of the power distribution cabinet can be timely and effectively prevented from being damaged due to rainwater erosion by being connected.

Preferably, the cabinet body is fixedly mounted at the top of the connecting block.

Through adopting above-mentioned scheme, through connecting it more conveniently to lift whole cabinet body, the exhaust fan that more is favorable to the bottom ventilates to the internal portion of cabinet and handles.

(III) advantageous effects

Compared with the prior art, the utility model provides a ventilation device for a distribution box, which has the following beneficial effects:

the ventilating device for the distribution box is characterized in that the connecting frame and the shutter are respectively arranged at the two ends of the cabinet body, a through structure is formed in the cabinet body, the ventilation fan extracts the air in the air conditioner, the fresh air continuously pushes out the air in the air conditioner, the air in the internal space of the cabinet body is replaced, so that the air in the cabinet body can be always kept dry, the internal temperature is effectively prevented from being overhigh, when the rain weather occurs, the humidity sensor outside the cabinet body gives out an instruction after being affected by damp, the electric baffle plate starts to be closed, the rain is prevented from falling into the electric baffle plate, the electrical elements are prevented from being damaged due to the rain, at this time, the exhaust fan in the heat dissipation frame at the bottom of the cabinet body starts to work to draw out the internal air from the bottom of the cabinet body, the whole device can still ventilate normally, and meanwhile, an auxiliary assembly is added, so that the ventilation work inside is facilitated.

Drawings

FIG. 1 is a schematic diagram of a power distribution cabinet assembly according to the present invention;

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

FIG. 3 is a schematic view of a portion of the vent assembly of the present invention;

fig. 4 is a schematic structural diagram of an auxiliary assembly according to the present invention.

In the figure: 1. a power distribution cabinet assembly; 11. a cabinet body; 12. a hinge; 13. a cabinet door; 14. a handle; 15. protecting the roof; 16. a support column; 17. a base; 2. a ventilation assembly; 21. a connecting frame; 22. a fan frame; 23. a ventilating fan; 24. a blind window; 25. a heat dissipation frame; 26. a protective frame; 27. an electric baffle; 28. a humidity sensor; 3. an auxiliary component; 31. an electric push rod; 32. connecting blocks; 33. and (5) protecting the tube.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

A ventilation device for a distribution box comprises a distribution box assembly 1 and a ventilation assembly 2, wherein the distribution box assembly 1 comprises a cabinet body 11, hinges 12 are fixedly arranged on the inner walls of two sides of the cabinet body 11, cabinet doors 13 are fixedly arranged on the outer portions of the hinges 12, shutters 24 are arranged on the outer portions of the cabinet doors 13, the shutters 24 are symmetrically arranged on the outer portions of the cabinet doors 13 in the left-right direction, handles 14 are arranged on the outer portions of the cabinet doors 13, a protective top 15 is fixedly arranged on the top of the cabinet body 11, supporting columns 16 are movably connected to the bottom of the cabinet body 11, the ventilation assembly 2 is arranged inside the cabinet body 11, the ventilation assembly 2 comprises a connecting frame 21, the connecting frame 21, two fan frames 22 and two ventilating fans 23 are respectively arranged, the connecting frame 21, the fan frames 22 and the ventilating fans 23 are symmetrically arranged on the inner wall of one side of the cabinet body 11 in the left-right direction, and the fan frames 22 are fixedly connected inside the connecting frame 21, the ventilating fan 23 is fixedly mounted inside the fan frame 22, the heat dissipation frame 25 is arranged at the bottom of the cabinet body 11, the exhaust fan is arranged inside the heat dissipation frame 25, the protection frame 26 is fixedly mounted outside the connecting frame 21, the electric baffle 27 is movably connected to the top inside the protection frame 26, the humidity sensor 28 is fixedly mounted on the upper portion of the protection frame 26, and the humidity sensor 28 is connected with the electric baffle 27 and the control end of the electric push rod 31.

Referring to fig. 1-4, when in use, because the two ends of the cabinet 11 are respectively provided with the connecting frame 21 and the louver 24, a through structure is formed inside the cabinet 11, firstly, outside air enters the cabinet 11 from the louver 24, at this time, the ventilating fan 23 inside starts to work to draw out the inside air, and the fresh air that comes in continuously sends out the inside air, and the air in the internal space of the cabinet 11 is replaced, so that the air inside the cabinet 11 can be kept dry all the time, and the internal temperature is effectively prevented from being too high, when it is raining, the humidity sensor 28 outside the cabinet 11 is affected by damp and sends out a command, the electric baffle 27 starts to close, rain is prevented from falling into the electric baffle, and electric elements are prevented from being drenched and damaged, at this time, the exhaust fan inside the heat dissipating frame 25 at the bottom of the cabinet 11 starts to work to draw out the inside air from the bottom of the cabinet 11, and the whole device can still ventilate normally.

Example two

The function of assisting the ventilation in rainy days is added on the basis of the first embodiment.

Switch board subassembly 1 includes support column 16, and the inside of support column 16 is provided with auxiliary assembly 3, and auxiliary assembly 3 includes electric putter 31, and connecting block 32 is installed at electric putter 31's top, and the top fixed mounting of connecting block 32 has the cabinet body 11, the bottom fixedly connected with base 17 of support column 16, the top fixedly connected with protection tube 33 of base 17.

Referring to fig. 1-4, simultaneously, in the above process, when the exhaust fan inside the heat dissipation frame 25 ventilates the inside of the cabinet 11, the electric push rod 31 starts to work to lift the whole cabinet 11, so that the distance from the heat dissipation frame 25 to the ground is increased, the exhaust fan can ventilate the cabinet 11 more conveniently, and the ventilation efficiency of the whole device in rainy days is greatly improved.

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

Claims

1. A ventilation unit for block terminal, includes switch board subassembly (1) and ventilation assembly (2), its characterized in that: switch board subassembly (1) is including the cabinet body (11), the inside of the cabinet body (11) is provided with ventilation assembly (2), ventilation assembly (2) is including connecting frame (21), the inside fixed connection of connecting frame (21) has fan frame (22), the inside fixed mounting of fan frame (22) has ventilating fan (23), the bottom of the cabinet body (11) is provided with heat dissipation frame (25), the outside fixed mounting of connecting frame (21) has protection frame (26), the inside top swing joint of protection frame (26) has electric baffle (27), the upper portion fixed mounting of protection frame (26) has humidity transducer (28).

2. A ventilating device for an electric box according to claim 1, wherein: switch board subassembly (1) includes support column (16), the inside of support column (16) is provided with auxiliary assembly (3), auxiliary assembly (3) are including electric putter (31), connecting block (32) are installed at the top of electric putter (31), bottom fixedly connected with base (17) of support column (16), top fixedly connected with protection tube (33) of base (17).

3. A ventilating device for an electric box according to claim 1, wherein: the utility model discloses a cabinet, including the cabinet body, the both sides inner wall fixed mounting of the cabinet body (11) has hinge (12), the outside fixed mounting of hinge (12) has cabinet door (13), the outside of cabinet door (13) is provided with shutter (24), the externally mounted of cabinet door (13) has handle (14), the top fixed mounting of the cabinet body (11) has protection top (15), the bottom swing joint of the cabinet body (11) has support column (16).

4. A ventilating device for an electric box according to claim 1, wherein: the utility model discloses a cabinet, including cabinet body (11), coupling frame (21) fan frame (22) with ventilating fan (23) all have two, and coupling frame (21) fan frame (22) with ventilating fan (23) are bilateral symmetry and install one side inner wall of cabinet body (11).

5. A ventilating device for an electric box according to claim 3, wherein: the number of the shutters (24) is two, and the shutters (24) are arranged outside the cabinet door (13) in a left-right symmetrical manner.

6. A ventilating device for an electric box according to claim 1, wherein: an exhaust fan is arranged in the heat dissipation frame (25).

7. A ventilating device for an electric box according to claim 2, characterized in that: the humidity sensor (28) is connected with the control ends of the electric baffle (27) and the electric push rod (31) in an interconnecting mode.

8. A ventilating device for an electric box according to claim 2, wherein: the top of the connecting block (32) is fixedly provided with the cabinet body (11).