CN213402801U

CN213402801U - Cooling and noise-reducing flow guide device of frequency converter

Info

Publication number: CN213402801U
Application number: CN202022684510.9U
Authority: CN
Inventors: 章威波; 叶福兵; 孙君飞; 胡艇艇; 林华
Original assignee: Qingdao Huahaokecheng Electric Appliance Co ltd
Current assignee: Qingdao Huahaokecheng Electric Appliance Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-08
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a guiding device that makes an uproar falls in converter cooling, the power distribution box comprises a box body, the left side of box articulates there is the chamber door, the inboard fixed mounting of box and chamber door has the sound absorbing layer, the upside fixed mounting of box has the exhaust pipe, the upside fixed mounting of exhaust pipe has first muffler, the downside fixed mounting of box has the air-supply line, the downside fixed mounting of air-supply line has the second muffler, the inside fixed mounting of exhaust pipe and air-supply line has the scavenger fan, the inside right side fixed mounting of box has fin group, the converter is installed in fin group's left side, the even fixed mounting of downside of box has the supporting leg, fixed mounting has the link between the supporting leg of front and back both sides, the inboard fixed mounting of link has the U-shaped frame, it. This device can outwards concentrate the derivation with heat transfer gas when dispelling the heat to the converter, promotes the radiating effect, can the noise abatement through muffler, sound absorbing layer cooperation.

Description

Cooling and noise-reducing flow guide device of frequency converter

Technical Field

The utility model relates to a converter technical field specifically is converter cooling and falls guiding device of making an uproar.

Background

The converter is often installed in the equipment cabinet, and the long-time during operation of converter can produce a large amount of heats, and through the radiating mode of simple louvre, the radiating effect is not good, dispels the heat through the mode of scavenger fan among the prior art, and the heat still can be detained near the equipment cabinet, and can produce the noise, influences operational environment, in order to solve above-mentioned problem, we propose the converter cooling and fall the guiding device of making an uproar.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guiding device of making an uproar falls in converter cooling to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a guiding device that makes an uproar falls in converter cooling, the power distribution box comprises a box body, the left side of box articulates there is the chamber door, the inboard fixed mounting of box and chamber door has the sound absorbing layer, the upside fixed mounting of box has the exhaust pipe, the upside fixed mounting of exhaust pipe has first muffler, the downside fixed mounting of box has the air-supply line, the downside fixed mounting of air-supply line has the second muffler, the inside fixed mounting of exhaust pipe and air-supply line has the scavenger fan, the inside right side fixed mounting of box has fin group, the converter is installed in fin group's left side, the even fixed mounting of downside of box has the supporting leg, both sides around fixed mounting has the link between the supporting leg, the inboard fixed mounting of link has the U-shaped frame, the inside of U-shaped frame is pegged graft and.

Preferably, the filtering device comprises a supporting frame inserted in the U-shaped frame, a filter screen is fixedly mounted at the lower side of the inside of the supporting frame, a composite filter layer is attached to the upper side of the filter screen, filter cotton is attached to the upper side of the composite filter layer, and the upper side of the filter cotton is attached to the air inlet of the second silencer.

Preferably, an exhaust pipe is fixedly installed on the upper side of the air outlet of the first silencer.

Preferably, the lower surface of the supporting leg is lower than the lower surface of the filter screen.

Preferably, the axis of the ventilator coincides with the center line of the frequency converter.

Preferably, a controller is fixedly installed on the left side of the box door.

Compared with the prior art, the beneficial effects of the utility model are that: this guiding device of making an uproar falls in converter cooling can outwards concentrate the derivation with heat transfer gas when dispelling the heat to the converter, promotes the radiating effect, can the noise abatement through muffler, sound absorbing layer cooperation, improves operational environment.

Drawings

Fig. 1 is a schematic cross-sectional view of the structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the structure of the filtering device of the present invention.

In the figure: the device comprises a box body 1, a radiating fin group 2, a frequency converter 3, a connecting frame 4, a U-shaped frame 5, a filtering device 6, a supporting frame 61, a composite filtering layer 62, filter cotton 63, a filtering net 64, supporting legs 7, a ventilating fan 8, a sound absorbing layer 9, a box door 10, an exhaust pipe 11, a first silencer 12, an exhaust pipe 13, an air inlet pipe 14, a second silencer 15 and a controller 16.

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.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: converter cooling and noise reduction guiding device, including box 1, box 1's left side articulates there is chamber door 10, the inboard fixed mounting of box 1 and chamber door 10 has sound absorbing layer 9, the upside fixed mounting of box 1 has exhaust pipe 11, the upside fixed mounting of exhaust pipe 11 has first muffler 12, the downside fixed mounting of box 1 has air-supply line 14, the downside fixed mounting of air-supply line 14 has second muffler 15, the inside fixed mounting of exhaust pipe 11 and air-supply line 14 has scavenger fan 8, the inside right side fixed mounting of box 1 has fin group 2, converter 3 is installed in the left side of fin group 2, the even fixed mounting of downside of box 1 has supporting leg 7, fixed mounting has link 4 between the supporting leg 7 of front and back both sides, the inboard fixed mounting of link 4 has U-shaped frame 5, the inside of U-shaped frame 5 is pegged graft and is had filter equipment 6.

When the ventilation fan 8 works, the filtering device 6 can filter the entering heat exchange air, the heat exchange air enters the box body 1 through the second silencer 15 and the air inlet pipe 14, the heat radiating fin group 2 can perform auxiliary heat radiation on the frequency converter 3, and the heat exchanged air is discharged through the exhaust pipe 11 and the first silencer 12.

Filter equipment 6 is including pegging graft at the inside carriage 61 of U-shaped frame 5, and the inside downside fixed mounting of carriage 61 has filter screen 64, and filter screen 64's upside laminating has filter pulp 63, and filter pulp 63's upside laminating has compound filter layer 62, and compound filter layer 62's upside and the laminating of the air intake of second muffler 15.

The supporting frame 61 in the filtering device 6 plays a mounting role, the filter screen 64 plays a supporting role, and the filter cotton 63 and the composite filter layer 62 can filter passing air.

An exhaust pipe 13 is fixedly arranged on the upper side of the air outlet of the first silencer 12.

The exhaust duct 13 can exhaust the heat exchange air exhausted from the air outlet of the first silencer 12 to the outside in a concentrated manner.

The lower surface of the support leg 7 is lower than the lower surface of the sieve 64.

The filter screen 64 is spaced from the ground sufficiently to ensure an air intake space.

The axis of the ventilator 8 coincides with the centre line of the frequency converter 3.

The ventilator 8 can fully exchange heat for the frequency converter 3 when in operation.

A controller 16 is fixedly installed at the left side of the door 10.

The controller 16 and the ventilator 8 are electrically connected through a lead, and the controller 16 is connected with an external power supply.

The working principle is as follows: when the ventilation fan 8 is controlled by the controller 16 to work, the filter cotton 63 and the composite filter layer 62 in the filter device 6 can filter passing air; the air enters the box body 1 after being subjected to silencing treatment by the second silencer 15 and the air inlet pipe 14, the heat radiating fin group 2 can perform auxiliary heat radiation on the frequency converter 3, and the air after heat exchange is exhausted after being subjected to silencing treatment by the exhaust pipe 11, the first silencer 12 and the exhaust pipe 13.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Converter cooling and noise reduction guiding device, its characterized in that: the air-conditioning box comprises a box body (1), wherein a box door (10) is hinged to the left side of the box body (1), a sound absorption layer (9) is fixedly mounted on the inner sides of the box body (1) and the box door (10), an exhaust pipe (11) is fixedly mounted on the upper side of the box body (1), a first silencer (12) is fixedly mounted on the upper side of the exhaust pipe (11), an air inlet pipe (14) is fixedly mounted on the lower side of the box body (1), a second silencer (15) is fixedly mounted on the lower side of the air inlet pipe (14), a ventilation fan (8) is fixedly mounted on the inner portions of the exhaust pipe (11) and the air inlet pipe (14), a radiating fin group (2) is fixedly mounted on the right side of the inner portion of the box body (1), a frequency converter (3) is mounted on the left side of the radiating fin group (2), supporting legs (7) are fixedly mounted on the even lower side, the inner side of the connecting frame (4) is fixedly provided with a U-shaped frame (5), and a filtering device (6) is inserted into the U-shaped frame (5).

2. The frequency converter cooling and noise reducing flow guide device according to claim 1, characterized in that: filter equipment (6) are including pegging graft in inside carriage (61) of U-shaped frame (5), the inside downside fixed mounting of carriage (61) has filter screen (64), the upside laminating of filter screen (64) has filter pulp (63), the upside laminating of filter pulp (63) has compound filter layer (62), the upside of compound filter layer (62) is laminated with the air intake of second muffler (15).

3. The frequency converter cooling and noise reducing flow guide device according to claim 1, characterized in that: an exhaust pipe (13) is fixedly mounted on the upper side of an air outlet of the first silencer (12).

4. The frequency converter cooling and noise reducing flow guide device according to claim 1, characterized in that: the lower surface of the supporting leg (7) is lower than the lower surface of the filter screen (64).

5. The frequency converter cooling and noise reducing flow guide device according to claim 1, characterized in that: the axis of the ventilation fan (8) is superposed with the center line of the frequency converter (3).

6. The frequency converter cooling and noise reducing flow guide device according to claim 1, characterized in that: and a controller (16) is fixedly arranged on the left side of the box door (10).