CN211455457U - Box transformer purifies ventilation unit - Google Patents

Abstract

The utility model relates to the technical field of box-type transformers, in particular to a purifying and ventilating device of a box-type transformer, which comprises a box-type transformer wall, an outer side air pipe, an inner side air pipe, a filter element and a ventilating fan, wherein the box-type transformer wall is provided with a ventilating hole, the outer side air pipe and the inner side air pipe are coaxially connected on the ventilating hole, the outer side air pipe is connected outside the box-type transformer wall, the inner side air pipe is connected inside the box-type transformer wall, the ventilating fan is connected inside the outer side air pipe, the filter element is connected inside the inner side air pipe, the rear end of the inner side air pipe is connected with a gland, the filter element is connected on the gland, the box-type transformer air purifier can purify air while meeting ventilation and heat dissipation requirements, and ensures safe operation of components inside the box-type transformer.

Description

Box transformer purifies ventilation unit

Technical Field

The utility model relates to a box transformer technical field specifically is a box transformer purifies ventilation unit.

Background

The box-type transformer is used as a whole set of distribution equipment and is formed by organically combining a transformer, high-voltage control equipment and low-voltage control equipment. The basic principle of the transformer is that reasonable assembly is carried out according to a specified sequence through a pressure starting system, an armored wire, a transformer substation full-automatic system, a direct current point and corresponding technical equipment, and all components are installed in a specific waterproof, dustproof and rat-proof completely-sealed toughened box body structure, so that the specific transformer is formed. Box-type transformers have been widely used in power engineering construction.

In the operation process of the box-type transformer, a plurality of components generate heat, so an air exchange fan must be installed, but the box-type transformer is mostly used for temporary construction and open places, the working environment is severe, more dust is generated, the dust easily enters the interior of the box-type transformer through the air exchange fan to cause the operation accidents of the components, and potential safety hazards are brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a box transformer purifies ventilation unit can purify the air when taking a breath, has realized the ventilation and heat transfer requirement of box transformer, protects the inside components and parts of box transformer not influenced by the dust.

For solving the technical problem, the utility model relates to a box transformer purifies ventilation unit, including box transformer wall, the outside tuber pipe, inboard tuber pipe, filter core and scavenger fan, be equipped with the ventilation hole on the box transformer wall, outside tuber pipe and inboard tuber pipe coaxial coupling are on the ventilation hole, the outside tuber pipe is connected in the box transformer wall outside, inboard tuber pipe is connected at box transformer wall inboard, the scavenger fan is connected in the outside tuber pipe, the filter core is connected in the inboard tuber pipe, inboard tuber pipe rear end is connected with the gland, the filter core is connected on the gland, be equipped with the air-out groove on the gland. The method comprises the following steps that an air exchange fan is started to blow outside air into a box-type transformer so as to achieve the purpose of air exchange and heat dissipation of the interior of the box-type transformer, the air firstly passes through a filter element after entering an outer air pipe from the fan, and enters the box-type transformer from an air groove after being filtered by dust through the filter element; it is worth noting that, when in actual use, the device can be respectively arranged on a plurality of box-type transformer walls, each box-type transformer wall can be provided with a plurality of devices according to actual use requirements, the device can be changed to blow external air into the box-type transformer or blow air inside the box-type transformer in a convenient mode by changing the ventilation fan, and the device can also be arranged on different box-type transformer walls in different ventilation directions, for example, the device on one box-type transformer wall is set to give out air, and the device on the other three transformer walls is set to give in air. The structure is ingenious, the installation is simple, the use is flexible and convenient, and the purification function is realized while the ventilation and heat exchange of the box-type transformer are met.

Furthermore, the filter element comprises an outer barrel and a filter layer, an air outlet is formed in the top surface of the outer barrel, air inlets are formed in the barrel wall and the bottom wall of the outer barrel, the filter layer is in a barrel shape formed by the bottom wall and the barrel wall, and an air outlet of the filter layer is connected with the air outlet and coaxial with the outer barrel. Air enters the filter element through the ventilation fan, enters the filter layer through the air inlet, and flows out of the air outlet after being filtered through the filter layer, so that air purification is completed.

Further, inboard tuber pipe rear end be equipped with external screw thread I, the gland be equipped with internal thread I, internal thread I is connected on external screw thread I, still is equipped with internal thread II on the gland, II diameters of internal thread are less than I diameters of internal thread, urceolus section of thick bamboo wall top be equipped with external screw thread II, external screw thread II connects on internal screw thread II. The outer barrel is in threaded connection with the pressing cover, and when the filter element needs to be replaced, the pressing cover can be unscrewed from the inner side air pipe, and the assembly and disassembly are convenient.

Furthermore, a sealing ring III is connected between the rear end face of the inner air pipe and the gland. The setting of sealing washer III prevents that the air from the direct box transformer that gets into of gap between inboard tuber pipe and the gland, improves purifying effect. The material of the sealing ring III can be nitrile rubber, fluororubber or silica gel.

Furthermore, the front end of the outer air pipe is provided with a flange platform I which is provided with a connecting hole, inboard tuber pipe middle part be equipped with flange platform II, be equipped with the screw on the flange platform II, box transformer wall on be equipped with the screw hole, the screw hole pierces through box transformer wall, the connecting hole is equipped with a plurality ofly on flange platform I, outside tuber pipe axis is central circumference equipartition outside a plurality of connecting holes, the screw is equipped with a plurality ofly on flange platform II, inside tuber pipe axis is central circumference equipartition inside a plurality of screws, the screw hole is equipped with a plurality ofly on box transformer wall, a plurality of screw holes use the vent hole axis as central circumference equipartition, a plurality of connecting holes are the same with a plurality of screw holes and a plurality of screw holes quantity, every connecting hole all is connected with the screw with every screw hole in the screw hole, threaded connection is downthehole at. The outer air pipe and the inner air pipe are fixed on the wall of the box-type transformer through screws, so that the installation is simple, and excessive accessories are not needed.

Furthermore, a sealing ring I is connected between the flange platform I and the wall of the box-type transformer, and a sealing ring II is connected between the flange platform II and the wall of the box-type transformer. Sealing washer I prevents with setting up of sealing washer II that the air from flowing from the transformer wall and the gap department of outside tuber pipe and inboard tuber pipe, has further improved purifying effect, and nitrile rubber, fluororubber or silica gel can be chooseed for use to the material of sealing washer I and sealing washer II.

Further, the inside wall of the outside air pipe on which a ventilation fan groove is formed, the ventilation fan groove is provided with a circle along the circumference of the inside wall of the outside air pipe, a groove is formed in the top surface of the ventilation fan groove, the groove is radially arranged along the outside air pipe, the groove penetrates through the top surface of the ventilation fan groove, the ventilation fan is circular, a bump is arranged on the outer wall of the ventilation fan, the bump is radially arranged along the ventilation fan, the groove is provided with a plurality of bumps, the plurality of grooves are uniformly distributed along the circumference of the outside air pipe axis, the bump is provided with a plurality of bumps, the plurality of bumps are uniformly distributed along the circumference of the ventilation fan axis, the plurality of grooves are the same as the plurality of bumps in number. When the ventilating fan is installed, the convex block is aligned with the groove and pushed into the ventilating fan groove, and then the ventilating fan is rotated to enable the convex block to be fixed in other areas outside the groove at the ventilating fan groove, so that the installation of the ventilating fan can be completed, and the use is convenient.

Furthermore, a positioning hole is formed in the top surface of the ventilation fan groove, the positioning hole is a screw hole, a jackscrew is connected in the positioning hole, and the lower end of the jackscrew is connected to the lug in a propping mode. The arrangement of the positioning hole and the jackscrew prevents the ventilation fan from accidentally falling off from the ventilation fan groove when the ventilation fan works, and ensures the use stability.

Furthermore, the filter layer comprises a stainless steel mesh layer, an activated carbon layer and a non-woven fabric layer, and the stainless steel mesh layer, the activated carbon layer and the non-woven fabric layer are sequentially arranged along the direction from the air inlet to the air outlet. Stainless steel stratum reticulare still provides the support for the active carbon layer with the non-woven fabrics layer when improving isolation dust, prevents that the intraformational active carbon of active carbon from unrestrained. The stainless steel net layer is arranged on the outermost layer to ensure that the filter element can be installed at any angle and can be used.

Furthermore, the front end of the outer air pipe is also connected with an isolation net. The isolation net prevents small animals or sundries with larger volume from entering the ventilator to cause damage.

The utility model has the advantages that: including box transformer wall, outside tuber pipe, inboard tuber pipe, filter core and scavenger fan, be equipped with the ventilation hole on the box transformer wall, outside tuber pipe and inboard tuber pipe coaxial coupling are on the ventilation hole, and the outside tuber pipe is connected in the box transformer wall outside, and inboard tuber pipe is connected in box transformer wall inboard, and the scavenger fan is connected in the outside tuber pipe, and the filter core is connected in the inboard tuber pipe, and inboard tuber pipe rear end is connected with the gland, and the filter core is connected on the gland, is equipped with out the air duct on the gland, the utility model has the advantages of simple and reasonable structure, the installation is simple, and it is nimble convenient to use, and the filter core is changed conveniently, purifies the air when satisfying box transformer ventilation and take a.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is a sectional view of the filter element structure of the present invention;

FIG. 3 is a partial view of FIG. 1 according to the present invention;

FIG. 4 is a partial view of FIG. 1 in accordance with the present invention;

fig. 5 is a partial view of fig. 1, according to the present invention;

FIG. 6 is a schematic view of the ventilator of the present invention;

FIG. 7 is a partial cross-sectional view of the outer air duct of the present invention;

fig. 8 is a partial cross-sectional view of the joint between the air fan and the outside air pipe.

In the figure: 1. a box-type transformer wall; 101. a vent hole; 102. screw holes; 2. an outer air duct; 201. a flange platform I; 202. connecting holes; 203. a ventilating fan groove; 204. a groove; 205. positioning holes; 3. an inner air duct; 301. a flange platform II; 302. a screw hole; 303. an external thread I; 4. a filter element; 401. an outer cylinder; 402. an air outlet; 403. an air inlet; 404. an external thread II; 405. a filter layer; 5. a gland; 501. an air outlet groove; 502. an internal thread I; 503. an internal thread II; 6. a ventilator; 601. a bump; 7. an isolation net; 8. a sealing ring I; 9. a sealing ring II; 10. and a sealing ring III.

Detailed Description

As shown in fig. 1, the utility model relates to a box transformer purifies ventilation unit is including box transformer wall 1, outside tuber pipe 2, inboard tuber pipe 3, filter core 4 and scavenger fan 6, be equipped with ventilation hole 101 on box transformer wall 1, outside tuber pipe 2 and 3 coaxial coupling of inboard tuber pipe are on ventilation hole 101, outside tuber pipe 2 is connected in the 1 outside of box transformer wall, inboard tuber pipe 3 is connected in 1 inboard of box transformer wall, scavenger fan 6 is connected in outside tuber pipe 2, filter core 4 is connected in inboard tuber pipe 3, 3 rear ends of inboard tuber pipe are connected with gland 5, filter core 4 connects on gland 5, be equipped with air outlet duct 501 on gland 5. The front end of the outer air pipe 2 is also connected with an isolation net 7.

As shown in fig. 2 and 5, the filter element 4 includes an outer cylinder 401 and a filter layer 405, an air outlet 402 is provided on the top surface of the outer cylinder 401, air inlets 403 are provided on the cylinder wall and the bottom wall of the outer cylinder 401, the filter layer 405 is in a cylindrical shape composed of the bottom wall and the cylinder wall, and an air outlet of the filter layer 405 is connected with the air outlet 402 and is coaxial with the outer cylinder 401. The rear end of the inner air pipe 3 is provided with an external thread I303, the gland 5 is provided with an internal thread I502, the internal thread I502 is connected to the external thread I303, the gland 5 is further provided with an internal thread II 503, the diameter of the internal thread II 503 is smaller than that of the internal thread I502, the top end of the cylinder wall of the outer cylinder 401 is provided with an external thread II 404, and the external thread II 404 is connected to the internal thread II 503. And a sealing ring III 10 is connected between the rear end surface of the inner air pipe 3 and the gland 5. The filtering layer 405 includes a stainless steel mesh layer, an activated carbon layer, and a non-woven fabric layer, which are sequentially arranged along the direction from the air inlet 403 to the air outlet 402.

As shown in fig. 3 and 4, a flange stage i 201 is arranged at the front end of the outer air duct 2, a connecting hole 202 is arranged on the flange stage i 201, a flange stage ii 301 is arranged in the middle of the inner air duct 3, a screw hole 302 is arranged on the flange stage ii 301, a screw hole 102 is arranged on the box-type transformer wall 1, the screw hole 102 penetrates through the box-type transformer wall 1, a plurality of connecting holes 202 are arranged on the flange stage i 201, the plurality of connecting holes 202 are uniformly distributed by taking the axis of the outer air duct 2 as the central circumference, the plurality of screw holes 302 are arranged on the flange stage ii 301, the plurality of screw holes 302 are uniformly distributed by taking the axis of the inner air duct 3 as the central circumference, the plurality of screw holes 102 are arranged on the box-type transformer wall 1, the plurality of screw holes 102 are uniformly distributed by taking the axis of the vent hole 101 as the central circumference, the plurality of connecting holes 202 and the, the screw is threaded into the screw hole 102 after passing through the connecting hole 202 and the screw hole 102. A sealing ring I8 is connected between the flange platform I201 and the box-type transformer wall 1, and a sealing ring II 9 is connected between the flange platform II 301 and the box-type transformer wall 1.

As shown in fig. 6, 7, and 8, the inner wall of the outer air duct 2 is provided with a ventilation fan groove 203, the ventilation fan groove 203 is provided with a circle along the circumference of the inner wall of the outer air duct 2, the top surface of the ventilation fan groove 203 is provided with a plurality of grooves 204, the grooves 204 are radially provided along the outer air duct 2, the grooves 204 penetrate the top surface of the ventilation fan groove 203, the ventilation fan 6 is circular, the outer wall of the ventilation fan 6 is provided with a plurality of protrusions 601, the protrusions 601 are radially provided along the ventilation fan 6, the plurality of grooves 204 are uniformly distributed along the circumference of the axis of the outer air duct 2, the plurality of protrusions 601 are uniformly distributed along the circumference of the axis of the ventilation fan 6, the plurality of grooves 204 are equal in number to the plurality of protrusions 601, the plurality of protrusions 601 pass through the plurality of grooves 204, and the. The top surface of the ventilation fan groove 203 is provided with a positioning hole 205, the positioning hole 205 is a screw hole, a jackscrew is connected in the positioning hole 205, and the lower end of the jackscrew is connected to the bump 601 in a propping manner.

The ventilation fan 6 is started to blow outside air into the box-type transformer so as to achieve the purpose of ventilating and radiating the inside of the box-type transformer, the air firstly passes through the filter element 4 after entering the outer air pipe 2 from the fan, and enters the box-type transformer from the air duct 501 after filtering dust through the filter element 4; it is worth noting that, in actual use, the device can be respectively arranged on a plurality of box-type transformer walls 1, a plurality of devices can be arranged on each box-type transformer wall 1 according to actual use requirements, the device can be changed in a mode that the ventilation fan 6 is changed conveniently to blow external air into the box-type transformer or blow air inside the box-type transformer, and the device can also be arranged on different box-type transformer walls 1 in different ventilation directions, for example, the device on one box-type transformer wall 1 is set to give out air, and the device on the other three transformer walls 1 is set to give in air. The structure is ingenious, the installation is simple, the use is flexible and convenient, and the purification function is realized while the ventilation and heat exchange of the box-type transformer are met.

Air enters the filter element 4 through the ventilation fan 6, enters the filter layer 405 through the air inlet 403, is filtered through the filter layer 405, and then flows out of the air outlet 402, so that air purification is completed.

The 401 threaded connection of urceolus is on gland 5, when needing to follow the renew cartridge 4, with gland 5 from inboard tuber pipe 3 unscrew can, loading and unloading are convenient.

The setting of sealing washer III 10 prevents that the air from the direct box transformer that gets into of gap between inboard tuber pipe 3 and gland 5, improves purifying effect. The material of the sealing ring III 10 can be nitrile rubber, fluororubber or silica gel.

The outer air pipe 2 and the inner air pipe 3 are fixed on the wall 1 of the box-type transformer through screws, so that the installation is simple, and excessive accessories are not needed.

Sealing washer I8 prevents with setting up of sealing washer II 9 that the air from flowing from transformer wall 1 and the gap department of outside tuber pipe 2 and inboard tuber pipe 3, has further improved purifying effect, and butadiene acrylonitrile rubber, fluororubber or silica gel can be chooseed for use to the material of sealing washer I8 and sealing washer II 9.

When the ventilation fan 6 is installed, the convex block 601 is aligned with the groove 204, the convex block 601 is pushed into the ventilation fan groove 203, and then the ventilation fan 6 is rotated to fix the convex block 601 in other areas outside the groove 204 at the position of the ventilation fan groove 203, so that the installation of the ventilation fan 6 can be completed, and the use is convenient.

The positioning hole 205 and the jackscrew are arranged to prevent the ventilator 6 from accidentally falling off from the ventilator groove 203 when the ventilator 6 works, thereby ensuring the use stability.

Stainless steel stratum reticulare still provides the support for the active carbon layer with the non-woven fabrics layer when improving isolation dust, prevents that the intraformational active carbon of active carbon from unrestrained. The stainless steel net layer is arranged on the outermost layer to ensure that the filter element 4 can be installed at any angle and can be used.

The isolation net prevents small animals or sundries with larger volume from entering the ventilator 6 to cause damage.

Claims (10)

1. The utility model provides a box transformer purifies ventilation unit which characterized in that: including box transformer wall (1), outside tuber pipe (2), inboard tuber pipe (3), filter core (4) and scavenger fan (6), be equipped with ventilation hole (101) on box transformer wall (1), outside tuber pipe (2) and inboard tuber pipe (3) coaxial coupling are on ventilation hole (101), outside tuber pipe (2) are connected in box transformer wall (1) the outside, inboard tuber pipe (3) are connected in box transformer wall (1) inboard, scavenger fan (6) are connected in outside tuber pipe (2), filter core (4) are connected in inboard tuber pipe (3), inboard tuber pipe (3) rear end is connected with gland (5), filter core (4) are connected on gland (5), be equipped with air-out groove (501) on gland (5).

2. The purifying and ventilating device of the box-type transformer according to claim 1, wherein: the filter core (4) including urceolus (401) and filter layer (405), be equipped with air outlet (402) on urceolus (401) top surface, be equipped with air intake (403) on urceolus (401) section of thick bamboo wall and the diapire, air intake (403) all are equipped with a plurality ofly on urceolus (401) section of thick bamboo wall and diapire, filter layer (405) shape is the tube-shape of compriseing diapire and section of thick bamboo wall, filter layer (405) gas outlet is connected with air outlet (402), coaxial with urceolus (401).

3. A purifying and ventilating device for a box-type transformer according to claim 2, characterized in that: the rear end of the inner air pipe (3) is provided with an external thread I (303), the gland (5) is provided with an internal thread I (502), the internal thread I (502) is connected to the external thread I (303), the gland (5) is further provided with an internal thread II (503), the diameter of the internal thread II (503) is smaller than that of the internal thread I (502), the top end of the cylinder wall of the outer cylinder (401) is provided with an external thread II (404), and the external thread II (404) is connected to the internal thread II (503).

4. A tank transformer cleaning and ventilating device according to any one of claims 1 to 3, characterized in that: and a sealing ring III (10) is connected between the rear end face of the inner air pipe (3) and the gland (5).

5. The purifying and ventilating device of the box-type transformer according to claim 1, wherein: the front end of the outer side air pipe (2) is provided with a flange platform I (201), the flange platform I (201) is provided with connecting holes (202), the middle part of the inner side air pipe (3) is provided with a flange platform II (301), the flange platform II (301) is provided with screw holes (302), the box-type transformer wall (1) is provided with the screw holes (102), the screw holes (102) penetrate through the box-type transformer wall (1), the connecting holes (202) are provided with a plurality of connecting holes (202) which are uniformly distributed by taking the axis of the outer side air pipe (2) as the central circumference, the screw holes (302) are provided with a plurality of connecting holes (302) on the flange platform II (301), the axis of the inner side air pipe (3) is uniformly distributed by taking the axis of the screw holes (102) as the central circumference, the screw holes (102) are uniformly distributed by taking the axis of the vent holes (101) as the central, the number of the connecting holes (202) is the same as that of the screw holes (302) and the number of the screw holes (102), screws are connected into each connecting hole (202), each screw hole (302) and each screw hole (102), and the screws penetrate through the connecting holes (202) and the screw holes (102) and are in threaded connection with the screw holes (102).

6. A box transformer purifies ventilation unit according to claim 5 characterized in that: the flange platform I (201) and box transformer wall (1) between be connected with sealing washer I (8), flange platform II (301) and box transformer wall (1) between be connected with sealing washer II (9).

7. The purifying and ventilating device of the box-type transformer according to claim 1, wherein: the inner wall of the outer air pipe (2) is provided with a ventilating fan groove (203), the ventilating fan groove (203) is provided with a circle along the circumference of the inner wall of the outer air pipe (2), the top surface of the ventilating fan groove (203) is provided with a groove (204), the groove (204) is radially arranged along the outer air pipe (2), the groove (204) penetrates through the top surface of the ventilating fan groove (203), scavenger fan (6) shape be circular, be equipped with lug (601) on scavenger fan (6) outer wall, lug (601) radially set up along scavenger fan (6), recess (204) are equipped with a plurality ofly, a plurality of recesses (204) are with outside tuber pipe (2) axis circumference equipartition, lug (601) are equipped with a plurality ofly, a plurality of lugs (601) are with scavenger fan (6) axis circumference equipartition, a plurality of recesses (204) are the same with a plurality of lugs (601) quantity, pass through in a plurality of recesses (204) a plurality of lugs (601), a plurality of lugs (601) rotate to be connected in scavenger fan groove (203).

8. A box transformer purifies ventilation unit according to claim 7 characterized in that: the top surface of the ventilation fan groove (203) is provided with a positioning hole (205), the positioning hole (205) is a screw hole, a jackscrew is connected in the positioning hole (205), and the lower end of the jackscrew is connected on the bump (601) in a propping manner.

9. A purifying and ventilating device for a box-type transformer according to claim 2, characterized in that: the filtering layer (405) comprises a stainless steel mesh layer, an activated carbon layer and a non-woven fabric layer, and the stainless steel mesh layer, the activated carbon layer and the non-woven fabric layer are sequentially arranged along the direction from the air inlet (403) to the air outlet (402).

10. The purifying and ventilating device of the box-type transformer according to claim 1, wherein: the front end of the outer air pipe (2) is also connected with an isolation net (7).

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