CN211502989U

CN211502989U - Air duct structure

Info

Publication number: CN211502989U
Application number: CN201922142745.2U
Authority: CN
Inventors: 陈国坚
Original assignee: Guangdong Ouya Electric Co ltd
Current assignee: Guangdong Ouya Electric Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-15
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses an air flue structure installs inside heating breather, the air flue include the snail shell, set up in the inside wind wheel of snail shell, its characterized in that, the snail shell is provided with snail shell air intake and snail shell air outlet, constitutes a part of main wind path wall, the width of snail shell air intake is less than the width of snail shell air outlet, connect the snail shell air intake with the lateral wall of snail shell air outlet extends along the helix, snail shell air intake inboard is provided with the tongue of buckling, connects snail shell air intake with the inside wall of snail shell air outlet is followed the tongue of buckling extends along the straight line, the snail shell lateral wall with the control box is installed in the clearance between the breather. The utility model discloses the stability in use is good, can cushion the wind speed in the wind channel, can satisfy the miniaturization requirement.

Description

Air duct structure

Technical Field

The utility model relates to the technical field of electrical apparatus, specifically relate to a be applied to heating breather's wind channel structure.

Background

Heating and ventilating fans are common air treatment equipment and are common in industry and families. In the related art, a heating ventilation fan is provided, which includes a circulating ventilation fan, a heater, a circulating ventilation suction port, a first outlet and a second outlet for blowing air indoors, and a ventilation outlet for blowing air outdoors. And an air path switching damper that opens and closes the first outlet, the second outlet, and the ventilation outlet by a rotational motion about a shaft as a fulcrum, wherein the shaft of the air path switching damper is provided upstream of the branch portion between the first outlet and the second outlet and at a distance from the branch portion. However, the air duct structure of the heating ventilator in the prior art is unreasonable, the air duct width between the air inlet and the air outlet is basically unchanged, the air speed in the air duct is fast, buffering cannot be performed, the miniaturization requirement of the heating ventilator cannot be further met, and the heating ventilator has a large defect.

Disclosure of Invention

The utility model aims at solving the problem of the prior art that the air conditioner is not enough and the heating and air-changing device provided is simple in structure and reliable, has good use stability, can buffer the air speed in the air duct, and can meet the miniaturization requirement.

The utility model discloses an adopt following technical solution to realize above-mentioned purpose:

an air duct structure is arranged inside a heating air interchanger, and comprises a snail shell and a wind wheel arranged inside the snail shell.

As a further explanation of the above scheme, the height of the snail shell air outlet is higher than that of the snail shell air inlet, and the bottom wall connecting the snail shell air inlet and the snail shell air outlet extends along a straight line.

Further, the heating and ventilating device further comprises: the air conditioner includes a main body frame constituting a housing, a main air passage provided in the main body frame, a cold air passage connected to a downstream end of the main air passage, a hot air passage connected to a downstream end of the main air passage, and an air passage switching unit for switching between the cold air passage and the hot air passage.

Further, the air path switcher includes: the air conditioner comprises a cold air path, a hot air path, a wind deflector, a rotating shaft part and a stepping motor, wherein the wind deflector can block the cold air path or the hot air path, the rotating shaft part enables the wind deflector to rotate between the cold air path and the hot air path, and the stepping motor drives the rotating shaft part to rotate.

Further, the main body frame includes: the air conditioner comprises an air inlet for allowing indoor air to enter the main body frame, a cold air outlet for allowing the air in the main body frame to be blown out of the main body frame, a hot air outlet for allowing the air in the main body frame to be blown out of the main body frame, and a heating part which is arranged at the upstream end of the hot air outlet and is used for heating the air blown out of the hot air outlet, wherein the cold air path is communicated with the main air path and the cold air outlet, and the hot air path is communicated with the main air path and the hot air outlet.

Further, the heating part comprises a heater, a heater box for fixing the heater, a hot air outlet frame with a certain gap between the hot air outlet frame and the end part on the outer periphery side of the heater, and a hot air outlet blade arranged in the air outlet frame.

Furthermore, a wind direction rotating shaft portion for adjusting the angle of the hot wind outlet blade is arranged inside the hot wind outlet frame, and the step motor for driving the wind direction rotating shaft portion is further included.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

1. the utility model discloses a set up the width of snail shell air intake in the air supply unit, be less than the width of snail shell air outlet, the air supply blows to wide mouthful from the slot, the velocity of flow slows down and plays the cushioning effect, and leave the clearance between snail shell lateral wall and the main body frame, can install the control box, the height that highly is higher than snail shell air intake of snail shell air outlet simultaneously, make and leave the space between diapire and the hot air exitus, can hold heating portion, main body frame need not to reserve installation space, further satisfy heating breather's miniaturized requirement.

2. The utility model discloses heating portion is through setting up step motor and wind direction pivot portion, has realized that hot-blast air-out frame and the hot-blast drive that goes out between the fan blade are connected, further satisfies the user to the angular adjustment of the wind direction of blowing of hot-blast.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a heating and ventilating device using the present invention.

Fig. 3 is a schematic structural view of a heating and ventilating device using the present invention.

Fig. 4 is a schematic structural view of the air channel switching unit in fig. 2.

Fig. 5 is a schematic structural view of the heating part in fig. 2.

Fig. 6 is a schematic structural view of the hot wind outlet blade in fig. 1.

Description of reference numerals: A. the wind power generation device comprises a main wind path, B, a cold wind path, C, a hot wind path, 1, a main body frame, 1-1, an air inlet, 1-2, a cold wind outlet, 1-3, a hot wind outlet, 1-4, a heating part, 1-4-1, a heater, 1-4-2, a heater box, 1-4-3, a hot wind outlet frame, 1-4-4, a hot wind outlet blade, 1-4-5, a wind direction rotating shaft part, 2, an air duct, 2-1, a snail shell, 2-1-1, a snail shell air inlet, 2-1-2, a snail shell air outlet, 2-1-3, an outer side wall, 2-1-4, a bent tongue part, 2-1-5, an inner side wall, 2-1-6, a bottom wall, 2-2, 2, The wind wheel, 3, the wind path switching part, 3-1, the wind deflector, 3-2, the rotating shaft part, 3-3, the stepping motor, 4 and the control box.

Detailed Description

The technical solution is described in detail with reference to specific embodiments below.

As shown in fig. 1-3, the present invention relates to an air duct structure installed inside a heating ventilator, wherein the air duct 2 includes a snail shell 2-1 and a wind wheel 2-2 installed inside the snail shell, the snail shell is provided with a snail shell air inlet 2-1-1 and a snail shell air outlet 2-1-2, which form a part of the air duct wall of the main air duct a, the width of the snail shell air inlet 2-1-1 is smaller than the width of the snail shell air outlet 2-1-2, an outer side wall 2-1-3 connecting the snail shell air inlet and the snail shell air outlet extends along a spiral line, a bent tongue 2-1-4 is installed inside the snail shell air inlet, an inner side wall 2-1-5 connecting the snail shell air inlet and the snail shell air outlet extends along a straight line from the bent tongue, a control box 4 is arranged in a gap between the side wall of the snail shell and the heating and air-exchanging device; the height of the snail shell air outlet is higher than that of the snail shell air inlet, and the bottom wall 2-1-6 connecting the snail shell air inlet and the snail shell air outlet extends along a straight line.

Further, as shown in fig. 2 to 4, the heating ventilator further includes: a main body frame 1 constituting a casing, a main air passage a provided in the main body frame, a cool air passage B connected to a downstream end of the main air passage, a hot air passage C connected to a downstream end of the main air passage, and an air passage switching unit 3 for switching between the cool air passage and the hot air passage; the air path switcher 3 includes: the air conditioner comprises a wind deflector 3-1 capable of blocking the cold air wind path or the hot air wind path, a rotating shaft part 3-2 enabling the wind deflector to rotate between the cold air wind path and the hot air wind path, and a stepping motor 3-3 driving the rotating shaft part to rotate.

Further, the main body frame 1 further includes: the air conditioner comprises an air inlet 1-1 for indoor air to enter the main body frame, a cold air outlet 1-2 for the air in the main body frame to blow out outdoors, a hot air outlet 1-3 for the air in the main body frame to blow out outdoors, and a heating part 1-4 which is arranged at the upstream end of the hot air outlet and heats the air blown out from the hot air outlet, wherein the cold air path B is communicated with the main air path A and the cold air outlet 1-2, and the hot air path C is communicated with the main air path A and the hot air outlet 1-3.

Further, as shown in fig. 5 to 6, the heating portion 1-4 includes a heater 1-4-1, a heater box 1-4-2 for fixing the heater, a hot air outlet frame 1-4-3 having a certain gap with an end portion on an outer circumferential side of the heater, and a hot air outlet blade 1-4-4 disposed inside the hot air outlet frame; the hot air outlet frame 1-4-3 is internally provided with a wind direction rotating shaft part 1-4-5 for adjusting the angle of the hot air outlet blade 1-4-4, and the hot air outlet frame also comprises a stepping motor 3-3 for driving the wind direction rotating shaft part.

In practical application, the wind wheel of the air duct structure in the warming and ventilating device sucks air outside the air inlet into the air inlet and sends the air into the air outlet from the snail shell air inlet, because the width of the snail shell air inlet is smaller than that of the snail shell air outlet, the flow speed of the air flow is slowed down in the process of flowing to the air outlet, the function of buffering the air flow is achieved, the too high air outlet speed of the downstream of a main air path is prevented, the user experience is influenced, meanwhile, the outer side wall connecting the snail shell air inlet and the snail shell air outlet extends along a spiral line, the inner side wall connecting the snail shell air inlet and the snail shell air outlet extends along a straight line from the bent tongue portion, a gap is reserved between the inner side wall and a main body frame, various accessories such as electrical components and a control box can be accommodated, and the height of the snail shell air outlet is higher than that of the snail shell air inlet, make and leave the space between diapire and the hot-blast export, can hold heating portion, the body frame need not to reserve installation space, can reduce the volume of body frame greatly.

Compared with the prior art, as above, the utility model discloses a set up neotype wind channel structure, wherein the width of snail shell air intake is less than the width of snail shell air outlet, and the air supply blows to wide mouthful from the slot, and the velocity of flow slows down and plays the cushioning effect, leaves the clearance moreover between snail shell lateral wall, diapire and the main body frame, can installation control box and heating portion, further satisfies heating breather's miniaturized requirement.

It should be noted that, in the description of the present invention, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or 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 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 in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. An air duct structure is arranged inside a heating air interchanger, and comprises a snail shell and a wind wheel arranged inside the snail shell.

2. An air duct structure as claimed in claim 1, wherein the height of the snail shell air outlet is higher than that of the snail shell air inlet, and the bottom wall connecting the snail shell air inlet and the snail shell air outlet extends along a straight line.

3. The air duct structure according to claim 1, wherein the heating and ventilating device further comprises: the air conditioner includes a main body frame constituting a housing, a main air passage provided in the main body frame, a cold air passage connected to a downstream end of the main air passage, a hot air passage connected to a downstream end of the main air passage, and an air passage switching unit for switching between the cold air passage and the hot air passage.

4. The air duct structure according to claim 3, wherein the air path switcher includes: the air conditioner comprises a cold air path, a hot air path, a wind deflector, a rotating shaft part and a stepping motor, wherein the wind deflector can block the cold air path or the hot air path, the rotating shaft part enables the wind deflector to rotate between the cold air path and the hot air path, and the stepping motor drives the rotating shaft part to rotate.

5. A duct structure according to claim 3, wherein the main body frame includes: the air conditioner comprises an air inlet for allowing indoor air to enter the main body frame, a cold air outlet for allowing the air in the main body frame to be blown out of the main body frame, a hot air outlet for allowing the air in the main body frame to be blown out of the main body frame, and a heating part which is arranged at the upstream end of the hot air outlet and is used for heating the air blown out of the hot air outlet, wherein the cold air path is communicated with the main air path and the cold air outlet, and the hot air path is communicated with the main air path and the hot air outlet.

6. The air duct structure according to claim 5, wherein the heating portion includes a heater, a heater box for fixing the heater, a hot air outlet frame having a certain gap with an end portion on an outer peripheral side of the heater, and a hot air outlet blade disposed inside the air outlet frame.

7. The air duct structure according to claim 6, wherein a wind direction rotating shaft portion for adjusting an angle of the hot air outlet blade is disposed inside the hot air outlet frame, and the air duct structure further comprises a stepping motor for driving the wind direction rotating shaft portion.