CN215185373U

CN215185373U - Base ventilation device for power cabinet

Info

Publication number: CN215185373U
Application number: CN202121247624.5U
Authority: CN
Inventors: 王刚
Original assignee: Shaanxi Dongkai Electric Power Technology Co ltd
Current assignee: Shaanxi Dongkai Electric Power Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-14
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to the technical field of base ventilation, and discloses a base ventilation device for a power cabinet, which comprises a shell, an air exhaust component and an air inlet component; the shell includes lower floor's base, upper strata base, backup pad one, backup pad two and pipeline, discharge the heat through adopting the exhaust fan at the base, it can the butt joint to install the hose on the flow direction three-way pipe that is provided with the three-way pipe in exhaust fan bottom and makes things convenient for the control gas to pass through the hose, the hard tube that sets up in lower floor's main part discharges the outside to gas, the drum that the symmetry set up on backup pad two, can discharge the gas to the end through hard tube two and hose connection, the dust screen that sets up at the air intake, play a fine dustproof effect, can let outside air get into inside through seting up the cavity on the ring with wind-guiding portion, then discharge steam through the exhaust fan, inside just forms a circulation like this and can keep the inside temperature of machine, in order to reach the effect of cooling.

Description

Base ventilation device for power cabinet

Technical Field

The utility model relates to a base ventilation technical field specifically is a base ventilation unit for power cabinet.

Background

The power cabinet is an electrical control cabinet combination for providing power for the normal operation of the whole machine and comprises a contactor, a frequency converter, a high-voltage cabinet and a transformer.

The power cabinet of console mode, the body does not possess the ventilation condition, in case operating time overlength will lead to inside subassembly self to generate heat, because inside device is more and relatively more complicated, it is also faster to generate heat, if the ambient temperature around this moment risees, has been insufficient to reach the effect of cooling through natural gas circulation, can only strengthen the ventilation through external force at this moment and reach radiating effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a base ventilation unit for power cabinet possesses ventilation cooling's advantage, has solved the heat that part produced in the working process or because the unable exhaust problem of heat that environmental problem produced.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a base ventilation device for a power cabinet comprises a shell, an air exhaust assembly and an air inlet assembly;

the shell comprises a lower layer base, an upper layer base, a first supporting plate, a second supporting plate and a pipeline; the top of the lower base is provided with the upper base, the inner side of the lower base is provided with the first supporting plate and the second supporting plate, the center of the top of the upper base is provided with the pipeline, the pipeline penetrates through the upper base and is communicated with the lower base, and the air inlet assembly is arranged inside the upper base;

the exhaust assembly comprises an exhaust fan and a box, the box is arranged at the top of the first supporting plate, and an air inlet of the exhaust fan is connected with the pipeline.

Preferably, the air inlet component comprises a groove, an air inlet part, a circular ring, an air guide opening, an air guide part, a choke plate and a vent hole, the opposite surfaces of the upper layer base are respectively provided with the grooves, the air inlet parts are arranged in the grooves, the inner side of the upper base is provided with the circular ring, the outer side wall of the circular ring is symmetrically provided with the air guide openings, the air guide port is communicated with the air inlet part, the outer side wall bearing of the pipeline is connected with the air guide part, the opposite surface of one side of the air guiding part is communicated with the air guiding opening, the two sides of the air guiding part are symmetrically provided with the wind blocking plates, the choke plate contacts with the inner side wall of the circular ring, ventilation holes are symmetrically formed in the other two sides of the air guide portion, sliding ways are symmetrically formed in the outer side of the air inlet portion, and the air inlet portion of the air inlet portion is in threaded connection with one side of the upper base.

By adopting the scheme, new gas can reenter the power cabinet from the arranged wind guide part to form a ventilation environment, so that heat generated during the operation of components in the power cabinet can be effectively released, the influence on the operation is avoided, the wind guide openings are arranged on the two sides of the circular ring arranged in the upper base, so that the position where the gas enters can be limited, then the wind guide part connected with the pipeline bearing is provided with the ventilation openings on the opposite surfaces of the top and one side, so that the gas can be conveniently controlled to enter, so that a relatively sealed environment can be formed in the machine in the non-operation process, the two sides of the ventilation openings of the wind guide part are symmetrically provided with the ventilation holes, so that the air entering the interior can be increased, and in addition, the wind shields arranged on the two sealed sides can ensure that the wind guide part is in a sealed state when the wind guide part rotates to the positions where the ventilation openings are not arranged, the air inlet part can be conveniently detached by being connected with the upper base through threads, and the detached air inlet part can be more easily taken down by arranging the slide way.

Preferably, the air inlets of the air inlet part are provided with dust screens.

Through adopting above-mentioned scheme, the service environment of power cabinet is more complicated, and the dust screen that sets up can avoid appearing, because the circuit short circuit that electrically conductive dust got into and leads to or other trouble's emergence.

Preferably, the inner side wall of the upper base is connected with a support frame in a welding mode.

By adopting the scheme, the method of welding the support frame on the inner side wall of the upper base can avoid the phenomenon that the power cabinet moves or deviates when the power cabinet is arranged on the ventilation base and collides

Preferably, the air outlet of the exhaust fan is connected with an air guide component, and the air guide component comprises a three-way pipe.

By adopting the scheme, when the gas in the bar power cabinet is extracted through the exhaust fan, the air can be dispersed and discharged through the three-way pipe, the phenomenon that the more hot air is accumulated, the more and more heat of the inner space affects the operation and the service life of the machine can be avoided, and the work schedule can be delayed.

Preferably, two air outlets of the three-way pipe are both connected with hoses.

By adopting the scheme, the direction of the gas can be controlled by arranging the hose, and the direction of the gas guide can be conveniently controlled by arranging the connecting shaft at the outlet of the hose.

Preferably, the air outlet of the hose is connected with a first hard pipe, and the other end of the first hard pipe is arranged on two sides of the lower-layer base.

By adopting the scheme, the connecting shaft is also arranged at the inlet of the hard pipe, so that the hard pipe can be in butt joint with the hose, the hard pipe can be connected with the hose, gas can be discharged to the outside of the base, and the hard pipe can be disconnected after being used or used for other purposes.

Preferably, the top of the second support plate is symmetrically provided with cylinders, and an air inlet at the top of each cylinder is provided with a second hard pipe.

Through adopting above-mentioned scheme, the setting of the drum top that sets up in backup pad two has hard tube two, is provided with the connecting axle of being convenient for to connect on the hard tube two equally, can discharge the bottom of lower floor's base through the hose to the combustion gas like this, can play a dry effect, avoids under humid environment bottom corrosion phenomenon to appear.

Three beneficial effects

Compared with the prior art, the utility model provides a base ventilation unit for power cabinet possesses following beneficial effect:

the base ventilation device of the power cabinet discharges heat by adopting the exhaust fan on the base, the three-way pipe is arranged at the bottom of the exhaust fan, the flowing direction of gas is convenient to control, the hose arranged on the three-way pipe can be butted through the hose, the gas is discharged to the outside through the hard pipe I arranged on the lower main body, the cylinders symmetrically arranged on the supporting plate II can discharge the gas to the bottom through the connection of the hard pipe II on the three-way pipe and the hose, the bottom is kept dry by forming a circulation at the bottom, the influence of bottom moisture on a circuit is avoided, the dust screen is arranged at the air inlet, a good dust-proof effect can be achieved, external air can effectively enter the inside through the cavities arranged on the circular ring and the air guide part, then hot gas is discharged through the exhaust fan, the temperature inside can be kept by forming a circulation at the inside, so as to achieve the effect of cooling, the choke plate arranged on the air guide part rotates, so that the air entering time can be controlled to prevent the internal air circulation from being insufficient to cause the partial assembly to be incapable of cooling, the power cabinet can be in a relatively sealed state when not in work, the moist air is prevented from entering the internal part to damage the internal part, and the service life of the part is shortened.

Drawings

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

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

FIG. 3 is a schematic view of the inner structure of the front surface of the lower base of the present invention;

FIG. 4 is a schematic view of the front internal structure of the middle upper base of the present invention;

fig. 5 is a schematic top view of the middle and upper base of the present invention;

FIG. 6 is a schematic view of the internal structure of the side surface of the middle upper base of the present invention;

fig. 7 is a schematic top view of the air guiding portion of the present invention;

fig. 8 is a schematic top view of the air inlet portion of the present invention.

In the figure:

1. a housing; 11. a lower base; 12. an upper base; 13. a first support plate; 14. a second support plate; 15. a support frame; 16. a pipeline;

2. an air exhaust assembly; 21. an exhaust fan; 22. a box;

3. an air guide assembly; 31. a three-way pipe; 32. a hose; 33. a first hard pipe; 34. a second hard tube; 35. a cylinder;

4. an air intake assembly; 41. a groove; 42. an air inlet part; 421. a slideway; 43. a circular ring; 431. a wind guide opening; 44. a wind guide part; 441. a choke plate; 442. a vent hole; 45. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

The utility model provides a base ventilation unit for power cabinet which characterized in that: comprises a shell 1, an air exhaust component 2 and an air intake component 4;

the shell 1 comprises a lower-layer base 11, an upper-layer base 12, a first supporting plate 13, a second supporting plate 14 and a pipeline 16; the top of the lower base 11 is provided with the upper base 12, the inner side of the lower base 11 is provided with the first support plate 13 and the second support plate 14, the center of the top of the upper base 12 is provided with the pipeline 16, the pipeline 16 penetrates through the upper base 12 and is communicated with the lower base 11, and the air inlet assembly 4 is arranged inside the upper base 12;

the exhaust assembly 2 comprises an exhaust fan 21 and a box 22, the box 22 is arranged at the top of the first support plate 13, and an air inlet of the exhaust fan 21 is connected with the pipeline 16;

the air intake assembly 4 comprises a groove 41, an air intake portion 42, a ring 43, an air guide opening 431, an air guide portion 44, a choke plate 441 and ventilation holes 442, the groove 41 is respectively formed on the opposite surface of the upper base 12, the air intake portion 42 is arranged in the groove 41, the ring 43 is arranged on the inner side of the upper base 12, the air guide opening 431 is symmetrically formed on the outer side wall of the ring 43, the air guide opening 431 is communicated with the air intake portion 42, the outer side wall of the pipeline 16 is connected with the air guide portion 44 through a bearing, the opposite surface on one side of the air guide portion 44 is communicated with the air guide opening 431, the choke plate 441 is symmetrically arranged on both sides of the air guide portion 44, the choke plate 441 is in contact with the inner side wall of the ring 43, and the ventilation holes 442 are symmetrically arranged on the other two sides of the air guide portion 44.

Referring to fig. 1-6, when the base is used, the exhaust fan 21 can exhaust the internal air through the air guiding opening connected to the duct 16, and then the new air can re-enter the power cabinet from the air guiding portion 44, so as to form a ventilation system, which can effectively release the heat generated by the components in the power cabinet during operation, and avoid the influence on the operation, the air guiding opening 431 is opened on both sides of the ring 43 arranged inside the upper base 12, so as to limit the position of the air entering, then the air guiding portion 44 connected to the bearing of the duct 16, and the ventilation openings arranged on the opposite surfaces of the top and one side can conveniently control the air entering, so as to form a relatively sealed environment inside during the operation of the machine, and avoid the occurrence of the circuit short circuit condition when the moist air enters the power cabinet, the ventilation openings 442 are symmetrically arranged on both sides of the air guiding portion 44, therefore, air entering the interior can be increased, and the wind guide part can be in a sealed state when rotating to the state without opening the ventilation opening by the aid of the wind blocking plates 441 arranged on the two sealed sides, so that external air cannot enter the interior of the power cabinet.

Example two

The slide 421 is added on the basis of the first embodiment.

The outside of air inlet portion 42 all is provided with the slide 421 symmetrically, the air inlet department threaded connection of air inlet portion 42 one side of upper base 12.

Referring to fig. 3, the screw connection with the upper base 12 can facilitate the detachment of the air inlet portion 42, and the slide way can make the detached air inlet portion 42 more easily taken down.

EXAMPLE III

The dust screen 45 and the support frame 15 are added on the basis of the second embodiment.

The air inlet of the air inlet part 42 is provided with a dustproof net 45, and the inner side wall of the upper base 12 is connected with a support frame 15 in a welding mode.

Referring to fig. 5, the power cabinet has a complex usage environment, the dust screen 45 can prevent short circuit or other faults caused by the entering of conductive dust, and the power cabinet can be prevented from moving or deviating due to collision when the power cabinet is placed on the ventilation base by welding the support frame 15 on the inner side wall of the upper base 12.

Example four

On the basis of the first embodiment, a three-way pipe 31, a hose 32 and a first hard pipe 33 are arranged.

The air outlet of the exhaust fan 21 is connected with an air guide component 3, the air guide component 3 comprises a three-way pipe 31, two air outlets of the three-way pipe 31 are connected with a hose 32, air outlets of the hose 32 are connected with a first hard pipe 33, and the other end of the first hard pipe 33 is arranged on two sides of the lower base 11.

Referring to fig. 3, when the air in the bar power cabinet is extracted through the exhaust fan 21, the bar air can be exhausted in a dispersed manner through the three-way pipe 31, the phenomenon that the internal space is influenced by heat more and more by the accumulated hot air to the running and the service life of the machine can be avoided, and thus the work schedule can be prevented from being delayed.

EXAMPLE five

A cylinder 35 is added on the basis of the fourth embodiment.

The top of the second support plate 14 is symmetrically provided with cylinders 35, and the top air inlet of the cylinder 35 is provided with a second hard pipe 34.

Referring to fig. 3, a second hard pipe 34 is arranged on the top of a cylinder 35 arranged on the second support plate 14, and a connecting shaft for facilitating connection is also arranged on the second hard pipe 34, so that discharged gas can be discharged to the bottom of the lower base 11 through a hose 32, a drying effect can be achieved, and the bottom is prevented from being corroded in a wet environment.

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

Claims

1. The utility model provides a base ventilation unit for power cabinet which characterized in that: comprises a shell (1), an air exhaust component (2) and an air intake component (4);

the shell (1) comprises a lower layer base (11), an upper layer base (12), a first support plate (13), a second support plate (14) and a pipeline (16), the upper layer base (12) is arranged at the top of the lower layer base (11), the first support plate (13) and the second support plate (14) are arranged on the inner side of the lower layer base (11), the pipeline (16) is arranged at the center of the top of the upper layer base (12), the pipeline (16) penetrates through the upper layer base (12) and is communicated with the lower layer base (11), and the air inlet assembly (4) is arranged inside the upper layer base (12);

the exhaust assembly (2) comprises an exhaust fan (21) and a box (22), the box (22) is arranged at the top of the first support plate (13), and an air inlet of the exhaust fan (21) is connected with the pipeline (16).

2. The base ventilation unit for a power cabinet of claim 1, wherein: the air inlet assembly (4) comprises a groove (41), an air inlet part (42), a circular ring (43), an air guide opening (431), an air guide part (44), a choke plate (441) and a vent hole (442), wherein the grooves (41) are respectively formed in opposite surfaces of the upper base (12), the air inlet part (42) is arranged in each groove (41), the circular ring (43) is arranged on the inner side of the upper base (12), the air guide openings (431) are symmetrically formed in the outer side wall of the circular ring (43), the air guide openings (431) are communicated with the air inlet part (42), the outer side wall of the pipeline (16) is in bearing connection with the air guide part (44), the opposite surface of one side of the air guide part (44) is communicated with the air guide opening (431), the choke plate (441) is symmetrically arranged on both sides of the air guide part (44), and the choke plate (441) is in contact with the inner side wall of the circular ring (43), the other two sides of the air guide part (44) are also symmetrically provided with vent holes (442), the outer sides of the air inlet parts (42) are symmetrically provided with slide ways (421), and the air inlet part of the air inlet parts (42) is in threaded connection with one side of the upper base (12).

3. A base ventilation unit for a power cabinet as claimed in claim 2, wherein: and the air inlets of the air inlet parts (42) are provided with dustproof nets (45).

4. The base ventilation unit for a power cabinet of claim 1, wherein: the inner side wall of the upper base (12) is connected with a support frame (15) in a welding mode.

5. The base ventilation unit for a power cabinet of claim 1, wherein: the air outlet of the exhaust fan (21) is connected with an air guide component (3), and the air guide component (3) comprises a three-way pipe (31).

6. The base ventilation device for the power cabinet as claimed in claim 5, wherein: and two air outlets of the three-way pipe (31) are connected with hoses (32).

7. The base ventilation device for the power cabinet of claim 6, wherein: the air outlet of hose (32) all is connected with hard tube (33), the other end of hard tube (33) all sets up the both sides at lower floor's base (11).

8. The base ventilation unit for a power cabinet of claim 7, wherein: and cylinders (35) are symmetrically arranged at the tops of the second support plates (14), and hard tubes (34) are arranged at air inlets at the tops of the cylinders (35).