CN222688364U

CN222688364U - A ventilation device

Info

Publication number: CN222688364U
Application number: CN202420638619.4U
Authority: CN
Inventors: 金业
Original assignee: Shenzhen Aosen Ring Technology Co ltd
Current assignee: Shenzhen Aosen Ring Technology Co ltd
Filing date: 2024-03-29
Publication date: 2025-03-28
Anticipated expiration: 2034-03-29

Abstract

The utility model relates to a ventilation device which comprises a mounting box, an air inlet box, an air outlet box and a fan assembly, wherein the air inlet box and the air outlet box are arranged at the top of the mounting box in parallel, the air inlet box is communicated with the mounting box, an air inlet is formed in the side wall of the air inlet box, an air outlet is formed in the side wall of the air outlet box, the side wall of the air inlet box, which is provided with the air inlet, is opposite to the side wall of the air outlet box, which is provided with the air outlet, the fan assembly is fixed in the mounting box, the fan assembly comprises a double-headed motor and at least two fan mechanisms, the at least two fan mechanisms are symmetrically arranged on two sides of the double-headed motor, the at least two fan mechanisms are used for communicating the mounting box and the air outlet box, and the ventilation device can greatly improve the efficiency of a main fan of a central air conditioner when being applied to the central air conditioner through precision machining of impellers and shells.

Description

Ventilating device

Technical Field

The utility model relates to the technical field of ventilation devices, in particular to a ventilation device.

Background

The ventilating device is used for exchanging air flow inside and outside air conditioner and heating equipment, and the existing ventilating device realizes air flow exchange through an internally installed motor and an impeller, but the existing ventilating device is limited by the impeller structure, so that the existing ventilating device can only intake air from the side and exhaust air from the front, namely, the air intake direction and the air exhaust direction cannot be kept in the same direction.

Disclosure of utility model

In view of the above, the present utility model provides a ventilation device for solving the problem that the air inlet and outlet directions of the ventilation device in the prior art cannot be kept in the same direction.

To achieve one or some or all of the above or other objects, the present utility model provides:

The ventilation device comprises a mounting box, an air inlet box, an air outlet box and a fan assembly, wherein the air inlet box and the air outlet box are arranged at the top of the mounting box in parallel, and the air inlet box is communicated with the mounting box;

The fan assembly is fixed in the mounting box and comprises a double-headed motor and at least two air blowing mechanisms, wherein the at least two air blowing mechanisms are symmetrically arranged on two sides of the double-headed motor, and the at least two air blowing mechanisms are used for connecting the mounting box and the air outlet box.

Further, the air blowing mechanism comprises an outer guide shell and an outer impeller, wherein the outer guide shell is provided with an outer air inlet hole for connecting with the installation box and an outer guide hole for connecting with the air outlet box;

The two output shafts of the double-headed motor are respectively connected with the air blowing mechanisms at two sides, the output shafts of the double-headed motor extend into the outer guide shell and are coaxially arranged with the air inlet at the outer side, and the outer impeller is arranged in the outer guide shell and is sleeved on the output shaft of the double-headed motor.

The air blowing mechanism further comprises an inner guide shell and an inner impeller, wherein the inner guide shell is provided with an inner side air inlet hole communicated with the mounting box and an inner side air guide hole communicated with the air outlet box;

The inner guide shell is arranged on the inner side of the outer guide shell, the outer air inlet hole and the inner air inlet hole face opposite directions, and the inner impeller is arranged in the inner guide shell and sleeved on the output shaft of the double-end motor.

Further, the blast mechanism further comprises a partition plate, the partition plate is arranged between the inner guide shell and the outer guide shell, the partition plate is used for separating an inner cavity of the inner guide shell from an inner cavity of the outer guide shell, an avoidance port is formed in the partition plate, connecting columns are coaxially arranged on one sides of the inner impeller and the outer impeller, which face the partition plate, of the connecting columns, tooth grooves are formed in opposite ends of the connecting columns along the circumferential direction, and the two connecting columns penetrate into the avoidance port and are meshed through the tooth grooves.

Further, the fan assembly further comprises a flow-through pipe, two ends of the flow-through pipe are respectively connected with the inner diversion shells on two sides and are coaxially arranged with the double-head motor, the inner wall of the flow-through pipe and the outer wall of the double-head motor form a flow-through cavity, the flow-through cavity is respectively communicated with the inner air inlets on two sides, and a plurality of flow-through holes are formed in the pipe wall of the flow-through pipe.

Further, the pipe diameter of the middle part of the overflow pipe is larger than the pipe diameters of the two sides of the overflow pipe, and a plurality of overflow holes are formed in the middle part of the overflow pipe.

Further, the fan assembly further comprises a supporting frame, the supporting frame is fixed on the bottom wall of the mounting box, and the supporting frame is respectively connected with at least two air blowing mechanisms.

Further, the inner diversion shell and the outer diversion shell are both spiral cases.

Further, the inner impeller and the outer impeller are made of aluminum.

Further, the inner impeller and the outer impeller are both three-way flow impellers.

The implementation of the embodiment of the utility model has the following beneficial effects:

This ventilation unit is through setting up fan subassembly in the mounting box, by the mounting box air current transition cavity, through setting up the air inlet case at the mounting box top as air current input cavity, go out bellows and regard as the air current output cavity, and then make the opening can realize different or the same business turn over wind direction on the different lateral walls of air inlet case and play bellows, in this embodiment, the lateral wall that the air inlet case was equipped with the air intake sets up relatively with the lateral wall that play bellows is equipped with the air outlet, and then make this ventilation unit's air inlet direction keep unanimous with the air outlet direction, solve traditional ventilation unit air inlet direction and the unable problem of keeping in same direction with the air outlet direction.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a ventilation device according to one embodiment of the present application;

FIG. 2 is an exploded view of the overall structure of a ventilation device according to one embodiment of the present application;

FIG. 3 is a schematic view of a fan assembly of a ventilator according to one embodiment of the present application;

FIG. 4 is an exploded view of a fan assembly of a ventilator according to one embodiment of the present application;

FIG. 5 is a cross-sectional view of a fan assembly of a ventilation device in accordance with one embodiment of the present application;

Fig. 6 is a schematic view of the structure of the outer impeller of the ventilating device in one embodiment of the present application.

Reference numerals:

1 mounting box, 2 air inlet box, 20 air inlet, 3 air outlet box, 30 air outlet, 4 fan assembly, 40 double-headed motor, 41 air blowing mechanism, 42 outer diversion shell, 420 outer side air inlet hole, 421 outer diversion hole, 43 outer impeller, 44 inner diversion shell, 440 inner side air inlet hole, 441 inner diversion hole, 45 inner impeller, 435 tooth socket, 46 partition plate, 460 avoiding port, 47 flow-through pipe, 470 flow-through cavity, 471 flow-through hole and 48 support frame.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, the terms used in the description herein are used for the purpose of describing particular embodiments only and are not intended to limit the utility model, and the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the above description of the drawings are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1-6, the embodiment discloses a ventilation device, which comprises a fan assembly 4, a mounting box 1, an air inlet box 2 and an air outlet box 3, wherein the air inlet box 2 and the air outlet box 3 are arranged at the top of the mounting box 1 in parallel, the air inlet box 2 is communicated with the mounting box 1, an air inlet 20 is arranged on the side wall of the air inlet box 2, an air outlet 30 is arranged on the side wall of the air outlet box 3, the side wall of the air inlet box 2, which is provided with the air inlet 20, is opposite to the side wall, provided with the air outlet 30, of the air outlet box 3, the fan assembly 4 is fixed in the mounting box 1, the fan assembly 4 comprises a double-head motor 40 and at least two air blowing mechanisms 41, the at least two air blowing mechanisms 41 are symmetrically arranged on two sides of the double-head motor 40, and the at least two air blowing mechanisms 41 are used for communicating the mounting box 1 and the air outlet box 3.

Specifically, by arranging the fan assembly 4 in the mounting box 1, an airflow transition chamber is formed by the mounting box 1, and by using the air inlet box 2 arranged at the top of the mounting box 1 as an airflow input chamber and the air outlet box 3 as an airflow output chamber, different or same air inlet and outlet directions can be realized by opening openings on different side walls of the air inlet box 2 and the air outlet box 3, in the embodiment, the side wall of the air inlet box 2 provided with the air inlet 20 and the side wall of the air outlet box 3 provided with the air outlet 30 are oppositely arranged, so that the air inlet direction and the air outlet direction of the ventilation device are kept consistent; in other embodiments, the air inlet 20 and the air outlet 30 may be set on any side wall of the air inlet box 2 and any side wall of the air outlet box 3 according to actual requirements, and the air inlet and outlet directions of the ventilation device may be adjusted, for example, the air inlet direction and the air outlet direction are set to be perpendicular to each other, the vertical plane is perpendicular to each other, the air inlet direction is opposite to the air outlet direction, and the shape of the air inlet 20 and the air outlet 30 may be set according to the actual connected device, and it should be noted that the number of the air blowing mechanisms 41 may be two, four, and the like and symmetrically installed on two output shafts of the double-head motor 40. In the embodiment, the double-headed motor 40 can be a double-headed permanent magnet motor, a double-headed magnetic suspension centrifugal motor or a double-headed air suspension motor, and the double-headed motor 40 can be controlled to operate by a vector frequency converter by arranging the vector frequency converter in the fan assembly 4, so that the torque force vector of the double-headed motor 40 can be controlled to be regulated efficiently according to the actual demands of customers, and the double-headed motor 40 can keep the highest efficiency when working at different air volume and pressure time periods.

Referring to fig. 3-5, the blower mechanism 41 comprises an outer guide shell 42, an outer impeller 43, an inner guide shell 44 and an inner impeller 45, wherein the outer guide shell 42 is provided with an outer air inlet 420 for connecting the mounting box 1 and an outer guide hole 421 for connecting the air outlet box 3, the inner guide shell 44 is provided with an inner air inlet 440 for connecting the mounting box 1 and an inner guide hole 441 for connecting the air outlet box 3, two output shafts of the double-headed motor 40 are respectively connected with the blower mechanisms 41 on two sides, the output shafts of the double-headed motor 40 extend into the outer guide shell 42 and are coaxially arranged with the outer air inlet 420, the outer impeller 43 is arranged in the outer guide shell 42 and sleeved on the output shaft of the double-headed motor 40, the inner guide shell 44 is arranged on the inner side of the outer guide shell 42, and the outer air inlet 420 faces opposite to the inner air inlet 440, and the inner impeller 45 is arranged in the inner guide shell 44 and sleeved on the output shaft of the double-headed motor 40. Specifically, the outer diversion shell 42 and the inner diversion shell 44 are both volutes, that is, the axis of the outer air inlet 420 is perpendicular to the axis of the outer diversion hole 421, and the inner diversion shell 44 conveys the gas in the installation box 1 into the air outlet box 3 through the inner diversion hole 441 by the inner impeller 45 in the same way; the blower mechanism 41 further comprises a partition 46, the partition 46 is arranged between the inner guide shell 44 and the outer guide shell 42, the partition 46 is used for separating an inner cavity of the inner guide shell 44 from an inner cavity of the outer guide shell 42, so that the air flow of the outer guide shell 42 and the air flow of the inner guide shell 44 are not interfered with each other, when the double-head motor 40 is started, the outer impeller 43 and the inner impeller 45 rotate simultaneously, wherein the outer impeller 43 sucks the air flow in the mounting box 1 into the outer guide shell 42 through an outer air inlet 420 of the outer guide shell 42, the air flow is quickly discharged through an outer air guide hole 421 along an inner pipeline of the outer impeller 43, and finally high-pressure air flow is conveyed into corresponding equipment or a cavity through an air outlet 30 of the air outlet box 3, the air suction of the inner guide shell 44 is not interfered with the air suction of the inner impeller 45, and the air suction of the outer guide shell 42 can be simultaneously sucked and led out through the outer air inlet 420, and the high-efficiency output of the device is further improved;

It should be noted that, the inner impeller 45 and the outer impeller 43 are made of aluminum, and are made of high-strength aviation aluminum, so that the energy consumption of the double-headed motor 40 can be effectively reduced, the inner impeller 45 and the outer impeller 43 are made of high-efficiency three-way flow impellers, the blowing efficiency is improved, the air quantity is increased, in the embodiment, each structure of the fan assembly is precisely machined, the gap between the inner impeller 45 and the inner diversion shell 44 is 0.3mm to 0.5mm, the outer diversion shell 42 and the outer impeller 43 are designed in the same way, the internal leakage condition of air flow in the shell can be effectively reduced by reducing the gap between the impellers and the shell, the power consumption of the double-headed motor 40 is reduced, the working efficiency is improved, the ventilation device can be more effectively ventilated for types of equipment such as a central air conditioner, and the like, and the efficiency of the main fan of the central air conditioner can be greatly improved when the ventilation device is applied to the central air conditioner through precisely machining the impellers and the shell.

Referring to fig. 4, the partition 46 is a circular partition 46, the center position is provided with a dodging port 460, one sides of the inner impeller 45 and the outer impeller 43 facing the partition 46 are coaxially provided with connecting columns, opposite ends of the connecting columns are provided with tooth grooves 435 along the circumferential direction, the two connecting columns penetrate into the dodging port 460 and are meshed through the tooth grooves 435, specifically, the tooth grooves 435 on the inner impeller 45 are designed in a whole circular shape, the tooth grooves 435 on the outer impeller 43 can be meshed with the tooth grooves 435 on the outer impeller 43, and therefore the assembly stability of the output shafts of the inner impeller 45 and the outer impeller 43 on the double-end motor 40 is improved, and through the mutual meshing of the inner impeller 45 and the outer impeller 43, the rotation consistency of the inner impeller 45 and the outer impeller 43 is improved, and the rotation power of the double-end motor 40 is effectively utilized.

Referring to fig. 4 and 5, the fan assembly 4 further includes a flow-through pipe 47, two ends of the flow-through pipe 47 are respectively connected with the inner air guide shells 44 on two sides and coaxially arranged with the double-end motor 40, the inner wall of the flow-through pipe 47 and the outer wall of the double-end motor 40 form a flow-through cavity 470, the flow-through cavities 470 are respectively connected with the inner air inlet holes 440 on two sides, a plurality of flow-through holes 471 are formed in the pipe wall of the flow-through pipe 47, a connecting plate can be specifically arranged at the inner air inlet holes 440 of the inner air guide shells 44, the connecting plate is provided with holes for connecting the end walls of the flow-through pipe 47, through holes for connecting the inner air inlet holes 440 with the flow-through cavities 470 are correspondingly formed in the connecting plate, the double-end motor 40 is convenient to assemble the flow-through pipe 47 and the stability of the whole structure, when the double-end motor 40 is started, the inner impellers 45 on two ends of the flow-through pipe 47 rotate to suck air in the double-end motor 1, the air flows firstly enter the flow-through cavities 470 through the flow-through holes 471, and then the inner impellers 45 on two sides enter the corresponding inner air guide shells 44, in the process, the air flow is firstly converged at the middle of the flow-through holes 470, and then flows in the middle of the inner air guide shells 470, and the motor 44 on the inner air guide shells, and the double-end motor 45 is continuously and continuously heated, thereby the heat is prevented from being continuously and effectively influenced by the double-end motor 40.

In this embodiment, the pipe diameter of the middle part of the flow-through pipe 47 is larger than the pipe diameters of two sides of the flow-through pipe 47, and a plurality of flow-through holes 471 are formed in the middle part of the flow-through pipe 47, so that the volume of the middle part of the flow-through cavity 470 is larger, the volume of the end side of the flow-through cavity 470 is smaller, and the air flow can flow into the inner diversion shell 44 more quickly after entering the flow-through cavity 470 through the flow-through holes 471, thereby improving the flow speed of the air flow and the heat dissipation effect on the double-headed motor 40.

Referring to fig. 5, the fan assembly 4 further includes a supporting frame 48, the supporting frame 48 is fixed on the bottom wall of the installation box 1, the supporting frame 48 is respectively connected with at least two air blowing mechanisms 41, the supporting frame 48 is convenient to install the fan assembly 4 in the installation box 1 on one hand, on the other hand, the flow passing pipe 47 and the double-headed motor 40 of the fan assembly 4 are suspended through the supporting frame 48, so that air in the installation box 1 is uniformly led into the flow passing cavity 470 along the circumferential direction of the flow passing pipe 47, the air suction effect of the inner impeller 45 on the air flow of the installation box 1 is improved, and the ventilation efficiency and the output air quantity of the ventilation device are improved.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. Equivalent structures made by the specification and the attached drawings are directly or indirectly applied to other related technical fields, and are also within the protection scope of the utility model.

Claims

1. The ventilation device is characterized by comprising a mounting box, an air inlet box, an air outlet box and a fan assembly;

The side wall of the air inlet box is provided with an air inlet, the side wall of the air outlet box is provided with an air outlet, and the side wall of the air inlet box provided with the air inlet is arranged opposite to the side wall of the air outlet box provided with the air outlet;

2. A ventilating device according to claim 1, wherein the blower mechanism comprises an outer casing and an outer impeller, the outer casing being provided with an outer air inlet opening for opening the mounting box and an outer air outlet opening for opening the air outlet box;

3. The ventilation device according to claim 2, wherein the blower mechanism further comprises an inner air guiding shell and an inner impeller, wherein the inner air guiding shell is provided with an inner air inlet hole communicated with the mounting box and an inner air guiding hole communicated with the air outlet box;

4. A ventilating device according to claim 3, wherein the blower mechanism further comprises a partition plate, the partition plate is arranged between the inner guide shell and the outer guide shell, the partition plate is used for separating an inner cavity of the inner guide shell from an inner cavity of the outer guide shell, the partition plate is provided with an avoidance port, one sides of the inner impeller and the outer impeller, which face the partition plate, are coaxially provided with connecting columns, opposite ends of the connecting columns are provided with tooth grooves along the circumferential direction, and the two connecting columns penetrate into the avoidance port and are meshed through the tooth grooves.

5. The ventilation device according to claim 3, wherein the fan assembly further comprises a flow-through pipe, two ends of the flow-through pipe are respectively connected with the inner diversion shells on two sides and are coaxially arranged with the double-headed motor, the inner wall of the flow-through pipe and the outer wall of the double-headed motor form a flow-through cavity, the flow-through cavities are respectively communicated with the inner air inlets on two sides, and a plurality of flow-through holes are formed in the pipe wall of the flow-through pipe.

6. The ventilation device according to claim 5, wherein the central pipe diameter of the flow-through pipe is larger than the pipe diameters of both sides of the flow-through pipe, and a plurality of flow-through holes are formed in the central part of the flow-through pipe.

7. A ventilating device according to claim 3, wherein the fan assembly further comprises a supporting frame fixed to the bottom wall of the mounting box, the supporting frame being connected to at least two of the blower mechanisms, respectively.

8. A ventilation device according to claim 3, wherein the inner and outer shells are volutes.

9. A ventilating device according to claim 3, wherein the inner impeller and the outer impeller are both made of aluminum.

10. A ventilating device according to claim 3, wherein the inner impeller and the outer impeller are three-way impellers.