CN210373903U

CN210373903U - Air-return less air heater

Info

Publication number: CN210373903U
Application number: CN201921105650.7U
Authority: CN
Inventors: 徐林慧
Original assignee: Jiaxing Kesheng Electric Co ltd
Current assignee: Jiaxing Kesheng Electric Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-21
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a few summer heat of return air, including panel and wind shell, seted up the air outlet on the panel, be provided with the wind wheel in the wind shell, seted up the air intake on wind shell or the panel, the wind wheel is through-flow fan, and its axis is parallel with the panel, it is provided with the anti-return air baffle that extends to the wind shell direction to correspond wind gap department on the panel, the utility model discloses when the wind wheel rotates, cool wind along the wind channel motion, when reacing air outlet department, most cool wind is seen off by the air outlet, and small part cool wind is by the gap backward flow between anti-return air baffle and the wind wheel, through the distance between anti-return air baffle reduces and the wind wheel, most stop cool wind backward flow.

Description

Air-return less air heater

Technical Field

The utility model belongs to the cooling device field, more specifically the cooling device that relates to a return air is few that says so.

Background

The cooling heater is also called as an overhead fan, is arranged on the integrated ceiling and is arranged on the top of a kitchen room, so that people can enjoy cool air when cooking in summer, and the position of an air outlet can be adjusted, so that the characteristics of flame of a stove are not influenced.

The air heater generally comprises a panel and an air shell, an air outlet is formed in the panel, a wind wheel is arranged in the air shell, an air inlet is formed in the air shell or the panel, the wind wheel is connected with a motor, an air channel is reserved between the air shell and the wind wheel, the motor enables the wind wheel to rotate, the wind wheel sends wind out of the air outlet, part of cool wind generated by the existing wind wheel is sent out by the air outlet, a large part of cool wind flows back into the air shell to move along the air channel, and the air supply efficiency of the wind wheel is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a when the wind wheel rotates, the cool wind moves along the wind channel, and when reacing air outlet department, most cool wind is seen off by the air outlet, and small part of cool wind is by the gap backward flow between anti-return air baffle and the wind wheel, reduces and the distance between the wind wheel through anti-return air baffle, prevents most cool wind backward flow.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a few summer heater of return air, includes panel and wind shell, has seted up the air outlet on the panel, is provided with the wind wheel in the wind shell, has seted up the air intake on wind shell or the panel, the wind wheel is cross-flow fan, and its axis is parallel with the panel, correspond wind gap department on the panel and be provided with the anti-return air baffle that extends to the wind shell direction.

The air casing is further provided with a grating, the position of the grating corresponding to the cross-flow fan is arc-shaped, the position of the grating corresponding to the cross-flow fan sinks to the proximity panel, the cross-flow fan is concentric with the arc-shaped part of the grating, and the air return prevention baffle extends to the position of the proximity grating.

Furthermore, an air deflector is arranged on the panel corresponding to the air outlet, the air deflector is connected with the panel through a rotating shaft, the air deflector is connected with a driving motor, the air deflector comprises an upper layer plate and a lower layer plate, and a plurality of supporting plates are arranged between the upper layer plate and the lower layer plate.

The wind deflector comprises a long edge and a wide edge, the wide edge of the upper plate is smaller than the wide edge of the lower plate, the upper plate is located at the middle position of the lower plate, the supporting plate comprises two side supporting plates and a plurality of middle supporting plates, the two side supporting plates are respectively fixed at the two wide edges of the upper plate and the lower plate, the plurality of middle supporting plates are distributed between the two side supporting plates, the middle supporting plates are obliquely arranged, and the upper plate, the lower plate and the two adjacent supporting plates form a wind guide channel.

Further the pivot is connected on the collateral branch backup pad, and upper plywood and lower floor all are the rectangle, the pivot is skew to the symmetry axis of lower plywood, and the pivot is partial to one side of keeping away from cross-flow fan.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the cross-flow fan, the axis of the cross-flow fan is parallel to the panel, the space occupation is small in the vertical height, the air channel is narrow at the position due to the air return preventing baffle, most of cold air is blocked by the air return preventing baffle and is sent out through the air outlet, the air return amount is reduced, and the efficiency of the cross-flow fan is improved; the air deflector is provided with an upper layer plate, a lower layer plate and a supporting plate for fixing, the upper layer plate and the lower layer plate are firmly fixed by the supporting plate, and cold air is blown to the air deflector during air supply, so that the air deflector can be prevented from shaking and even resonating; the obliquely arranged support plate can guide the sent cool air, and the cool air is gathered or dispersed according to the oblique direction.

Drawings

FIG. 1 is a first three-dimensional structure diagram of the cooling device with less return air;

FIG. 2 is a second three-dimensional structure diagram of the cooling device with less return air;

fig. 3 is a schematic sectional view of the present invention;

FIG. 4 is a three-dimensional structure diagram of the middle panel, the wind wheel and the grating of the present invention;

FIG. 5 is a perspective view of the middle panel of the present invention;

fig. 6 is a top view of the middle air guiding plate of the present invention.

Reference numerals: 1. a panel; 16. an air outlet; 2. a wind shell; 25. a grid; 26. an air inlet; 3. an anti-return air baffle; 4. an air deflector; 41. an upper plate; 42. a lower layer plate; 43. a support plate; 431. side supporting plates; 432. a middle support plate; 6. a cross-flow fan; 61. a motor; 7. a drive motor; 74. a rotating shaft.

Detailed Description

The embodiment of the cooling device with less return air of the present invention will be further explained with reference to fig. 1 to 6.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The utility model provides a few summer heat of return air, includes panel 1 and wind shell 2, has seted up air outlet 16 on the panel 1, is provided with the wind wheel in the wind shell 2, has seted up air intake 26 on wind shell 2 or the panel 1, the wind wheel is cross-flow fan 6, and its axis is parallel with panel 1, the department that corresponds the wind gap on the panel 1 is provided with the anti-return air baffle 3 that extends to wind shell 2 direction.

Compared with the cross-flow fan 6 which is vertically arranged, the width of the cross-flow fan 6 can be basically the same as that of the panel 1, the wider the cross-flow fan is, the larger the air volume is, the smaller the occupied space in the vertical direction can be generated under the condition of generating the same air volume, the cross-flow fan is convenient to mount in a suspended ceiling, the cross-flow fan 6 is driven by the motor 61, and the motor 61 is fixed on the wind shell 2.

As shown in fig. 3, during operation, the cross flow fan 6 rotates counterclockwise, the air outlet 16 is located on the left side of the axis of the cross flow fan 6, cool air flows counterclockwise from the inside of the air duct, and when reaching the air outlet 16, the air return prevention baffle 3 blocks the space (air duct) between the panel 1 and the duct flow fan, so that a small gap is formed between the air outlet and the air duct, only a small part of the cool air flows back from the air outlet, and most of the cool air is sent out from the air outlet 16, thereby reducing the amount of return air, and improving the air supply efficiency of the cross flow fan 6.

The preferred wind shell 2 of this embodiment is provided with a grid 25, the grid 25 is arc-shaped corresponding to the cross-flow fan 6, the grid 25 sinks to the proximity panel 1 corresponding to the cross-flow fan 6, the cross-flow fan 6 is concentric with the arc-shaped part of the grid 25, and the air return prevention baffle 3 extends to the proximity grid 25.

The cross-flow fan 6 is close to the panel 1 as much as possible, so that the cross-flow fan 6 sinks as much as possible, even the lower end of the cross-flow fan protrudes out of the air shell 2, the overall height of the cooling device in the vertical direction is reduced, meanwhile, after the cooling device is assembled, the air return prevention baffle 3 can be in direct contact with the grating 25, and a gap between the grating 25 and the cross-flow fan 6 is used for ensuring that the cross-flow fan 6 can normally rotate without contact friction.

In this embodiment, preferably, an air deflector 4 is disposed on the panel 1 corresponding to the air outlet 16, the air deflector 4 is connected to the panel 1 through a rotating shaft 74, the air deflector 4 is connected to a driving motor 7, the air deflector 4 includes an upper plate 41 and a lower plate 42, and a plurality of supporting plates 43 are disposed between the upper plate 41 and the lower plate 42.

The rotation of the air deflector 4 can be controlled by the driving motor 7, so that the air outlet 16 is opened or closed, when the air deflector is opened, cool air is sent out, the cool air is contacted with the upper plate 41 and the lower plate 42, the upper plate 41 and the lower plate 42 are firmly fixed by the supporting plate 43, and the phenomenon of vibration and even resonance of the upper plate 41 and the lower plate 42 can be reduced.

The air deflector 4 preferably includes a long side and a wide side, the wide side of the upper plate 41 is smaller than the wide side of the lower plate 42, the upper plate 41 is located in the middle of the lower plate 42, the support plate 43 includes two side support plates 431 and a plurality of middle support plates 432, the two side support plates 431 are respectively fixed to the two wide sides of the upper plate 41 and the lower plate 42, the plurality of middle support plates 432 are distributed between the two side support plates 431, the middle support plates 432 are obliquely arranged, and the upper plate 41, the lower plate 42 and the two adjacent support plates 43 form an air guiding channel.

As shown in fig. 5 and 6, the upper plate 41 and the lower plate 42 are rectangular as a whole, the upper plate 41 and the lower plate 42 are in a trapezoidal state, the long side of the upper plate 41 is at a certain distance from the long side of the lower plate 42, and first all the support plates 43 are used to fixedly connect the upper plate 41 and the lower plate 42, so that the upper plate 41 and the lower plate 42 are completely fixed and prevented from shaking (vibrating); the middle support plate 432 which is obliquely arranged is inclined relative to the side support plates 431, but is perpendicular to the upper plate 41 and the lower plate 42, namely, when air is supplied, the cool air can be dispersed to the side or gathered to the middle according to the inclined direction of the middle support plate; taking the inclination direction of the middle support plate 432 shown in fig. 3, 5 and 6 as an example, taking the middle as a limit, the middle support plates 432 at both sides are inclined in a splayed shape, when the air deflector 4 is opened, the air deflector 4 is rotated clockwise in fig. 3 to be opened, the cool air flows from the left side to the right side along the arrow direction in fig. 6, when the cool air passes through the air guide channel, the cool air is dispersed to the side due to the guidance of the middle support plate 432, otherwise, if the inclination direction is opposite, the cool air is gathered to the middle, generally, the area of the air outlet 16 is limited due to the small size of the whole cooling device, and a structure for dispersing the cool air to the side is usually selected to increase the cool air coverage area.

The rotation shaft 74 is preferably connected to the side support plate 431, the upper plate 41 and the lower plate 42 are rectangular, the rotation shaft 74 is offset from the symmetry axis of the lower plate 42, the rotation shaft 74 is offset from the side far away from the cross flow fan 6, and the symmetry axis is parallel to the rotation shaft 74, that is, the symmetry axis is between the rotation shaft 74 and the axis of the cross flow fan 6.

When air is supplied, the air deflector 4 is opened, the lower plate 42 is close to the edge of the air outlet 16, the distance between the upper plate 41 and the edge of the air outlet 16 is larger, part of cool air passes through the air guiding channel of the air deflector 4, and the other part of the cool air is directly sent out from the edges of the upper plate 41 and the air outlet 16, so that the obstruction of the air deflector 4 to the air is reduced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a few summer heat of return air, includes panel and wind shell, has seted up the air outlet on the panel, is provided with the wind wheel in the wind shell, has seted up air intake, its characterized in that on wind shell or the panel: the wind wheel is a cross-flow fan, the axis of the cross-flow fan is parallel to the panel, and an anti-return air baffle extending towards the direction of the wind shell is arranged at the position, corresponding to the wind port, on the panel.

2. The low return air heater of claim 1, wherein: the air casing is provided with a grating, the position of the grating corresponding to the cross-flow fan is arc-shaped, the position of the grating corresponding to the cross-flow fan sinks to the proximity panel, the cross-flow fan is concentric with the arc-shaped part of the grating, and the air return prevention baffle extends to the position of the proximity grating.

3. The low return air heater of claim 2, wherein: the air guide plate is arranged on the panel corresponding to the air outlet, the air guide plate is connected with the panel through a rotating shaft, the air guide plate is connected with a driving motor, the air guide plate comprises an upper layer plate and a lower layer plate, and a plurality of supporting plates are arranged between the upper layer plate and the lower layer plate.

4. The low return air heater of claim 3, wherein: the aviation baffle includes long limit and broadside, and the broadside of upper plate is less than the broadside of plywood down, and the upper plate is located the intermediate position of plywood down, the backup pad includes two collateral branch backup pads and a plurality of intermediate support board, and two collateral branch backup pads are fixed in two broadside departments of upper plate and plywood down respectively, and a plurality of intermediate support board distributes between two collateral branch backup pads, the intermediate support board slope is arranged, and upper plate, plywood and two adjacent backup pads form the wind-guiding passageway down.

5. The low return air heater of claim 4, wherein: the pivot is connected on the collateral branch backup pad, and upper plywood and lower floor all are the rectangle, the pivot is deviated from the symmetry axis of lower plywood, and the pivot is partial to the one side of keeping away from cross-flow fan.