Disclosure of utility model
In accordance with one aspect of the present utility model, to overcome the above-described deficiencies of the prior art, a chassis structure is provided that includes a housing, a volute assembly, and a centrifugal wind wheel;
wherein the volute component is arranged in the shell;
The volute component is provided with an air inlet port, a heat exchange air outlet port, an air exchange air outlet port and a mounting cavity for accommodating and mounting the centrifugal wind wheel, the shell is arranged in the mounting cavity, and the air suction inlet of the centrifugal wind wheel is matched with the air inlet port;
The volute assembly is internally provided with a heat exchange air duct and an air exchange air duct, the heat exchange air duct and the air exchange air duct are respectively arranged at two sides of the centrifugal wind wheel, the heat exchange air duct extends from the first side of the centrifugal wind wheel to the heat exchange air outlet port, and the air exchange air duct extends from the second side of the centrifugal wind wheel to the air exchange air outlet port;
The centrifugal wind wheel is provided with a plurality of blades in a circular array, each blade comprises a first wind guide fin and a second wind guide fin, the first wind guide fins are bent and extended towards a first direction, the second wind guide fins are bent and extended towards a second direction, and the bending directions of the first wind guide fins and the second wind guide fins are opposite, so that when the centrifugal wind wheel rotates in different needle directions, the first wind guide fins and the second wind guide fins respectively guide airflow to be blown in opposite directions.
When the centrifugal wind wheel is required to be switched to a heat exchange mode, the centrifugal wind wheel is controlled to rotate in the clockwise direction, the centrifugal wind wheel throws out the air flow in the centrifugal direction, the first air guide fins are arranged to be smoothly bent in the clockwise direction, the air flow is guided to be blown in the clockwise direction, and the heat exchange air channel is arranged on the left side of the centrifugal wind wheel, so that the air flow blown in the clockwise direction is converged on one side of the heat exchange air channel, and the heat exchange air channel and a heat exchange device on the heat exchange air outlet port exchange heat and then blow the air into a room to play a heat exchange effect.
In some embodiments, the first air guiding fins and the second air guiding fins are arranged to be centrosymmetric.
In some embodiments, the blades are "S" shaped, with the first air guiding fins disposed proximate the outside of the centrifugal rotor and the second air guiding fins disposed proximate the inside of the center of the centrifugal rotor.
In some embodiments, the first direction is set to be clockwise, the first air guiding fins are set to be smoothly bent along the clockwise direction, the second direction is set to be anticlockwise, the second air guiding fins are set to be smoothly bent along the anticlockwise direction, and the first air guiding fins are smoothly connected with the second air guiding fins.
In some embodiments, the housing further comprises a cover plate detachably arranged on the housing, wherein the cover plate is provided with a through opening aligned and attached to the air inlet port of the volute assembly, and the cover plate and the housing enclose the volute assembly together.
In some embodiments, the heat exchange air outlet port is formed into a heating element mounting groove, a PTC heating element is arranged in the heating element mounting groove, and an anti-scalding grille cover is also arranged on the heating element mounting groove in a covering manner.
In some embodiments, the heat exchange air outlet port is 250mm to 290mm from the bottom of the volute assembly, and the diameter of the centrifugal wind wheel is 144mm to 174mm.
In some embodiments, the motor is in driving connection with the centrifugal wind wheel, the rotating speed of the motor is 1320rpm, the length of the blades of the centrifugal wind wheel is 145mm, the thickness of the blades is 15mm, the height of the blades is 72mm, the number of the PTC sheets of the PTC heating piece is 4, each PTC sheet is 24, and the tooth distance between every two adjacent PTC sheets is 3mm. Compared with the existing products in the market, the utility model can generate larger heat exchange energy efficiency and air outlet effect on the premise of the same motor driving power by reasonably configuring each critical dimension parameter.
According to another aspect of the utility model, the air heating bathroom warmer comprises an electric control module, a panel and a case structure, wherein the electric control module is used for controlling the rotation direction of the centrifugal wind wheel, and an air guide opening used for being connected with a heat exchange air outlet port is formed in the panel.
When the centrifugal wind wheel is required to be switched to a heat exchange mode, the electronic control module controls the centrifugal wind wheel to rotate in the clockwise direction, the centrifugal wind wheel throws air flow in the centrifugal direction, the first air guide fins are arranged to be smoothly bent in the clockwise direction, the first air guide fins guide the air flow to be blown in the clockwise direction, and the heat exchange air channel is arranged on the left side of the centrifugal wind wheel, so that the air flow blown in the clockwise direction is converged on one side of the heat exchange air channel, and the heat exchange device on the heat exchange air outlet port performs heat exchange and then blows the air flow from the air guide port of the panel to the room to perform the heat exchange effect.
In some embodiments, the panel is further provided with an illumination lamp panel.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," comprising, "or" includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element. The terms used herein are generally terms commonly used by those skilled in the art, and if not consistent with the commonly used terms, the terms herein are used.
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 terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
The utility model is described in further detail below with reference to the accompanying drawings.
Example 1
Fig. 1-4 schematically show a chassis structure of an embodiment of the present utility model, as shown in fig. 1-4, the chassis structure comprises a casing 1, a volute component 2 and a centrifugal wind wheel 3, wherein the volute component 2 is arranged in the casing 1, the volute component 2 is provided with an air inlet port, a heat exchange air outlet port 21, an air exchange air outlet port 22 and a mounting cavity for accommodating the centrifugal wind wheel 3, when the centrifugal wind wheel 3 works, outside air is sucked in from the air inlet port and then is centrifugally blown out, the air exchange air outlet port 22 penetrates through a pipeline and the outside air, the casing 1 is arranged in the mounting cavity, an air suction port of the centrifugal wind wheel 3 is matched with the air inlet port, the volute component 2 is internally provided with a heat exchange air duct 23 and an air exchange air duct 24, the heat exchange air duct 23 and the air duct 24 are respectively arranged on the left side and the right side of the centrifugal wind wheel 3, the heat exchange air duct 23 extends to the heat exchange air outlet port 21 from the first side of the centrifugal wind wheel 3, the air exchange air duct 24 extends to the air outlet port 22 from the second side of the centrifugal wind wheel 3, a plurality of blades 31 are circularly arranged on the centrifugal wind wheel 3, the blades 31 comprise a first air guide fin 311 and a second air guide fin 312 are rotatably arranged in opposite directions to the first air guide fin 312 and a second air guide fin 312 is rotatably and a curved in opposite direction to the first air guide fin 312 and a second air guide fin 312 is bent in the direction opposite to the first direction. In this embodiment, the first direction is set to be clockwise, the first air guiding fins 311 are set to be smoothly curved along the clockwise direction, the second direction is set to be counterclockwise, the second air guiding fins 312 are set to be smoothly curved along the counterclockwise direction, and the first air guiding fins 311 are smoothly connected with the second air guiding fins 312.
When the centrifugal wind wheel 3 is required to be switched to a heat exchange mode, the centrifugal wind wheel 3 is controlled to rotate in a clockwise direction, the air flow is thrown out in the centrifugal direction, the first air guide fins 311 are smoothly bent in the clockwise direction, the air flow is guided to be blown in the clockwise direction by the first air guide fins 311, the air flow blown in the clockwise direction is converged to one side of the heat exchange air duct 23 because the heat exchange air duct 23 is arranged on the left side of the centrifugal wind wheel 3, so that the air flow blown in the clockwise direction is blown to the room after exchanging heat with a heat exchange device on the heat exchange air outlet port 21, when the centrifugal wind wheel 3 is required to be switched to the air exchange mode, the centrifugal wind wheel 3 is controlled to rotate in the anticlockwise direction, the air flow is thrown out in the centrifugal direction, and the second air guide fins 312 are smoothly bent in the anticlockwise direction, and the air flow blown in the anticlockwise direction by the heat exchange air duct 23 is converged to one side of the heat exchange air duct 24 because the heat exchange air duct 23 is arranged on the right side of the centrifugal wind wheel 3, so that the air flow blown out of the air duct 22 and the connected air duct are converged to the room, and the air exchange motor is blown out of the room, and the air exchange space is reduced.
In addition, when the centrifugal wind wheel rotates positively and reversely, the working air quantity in the two working modes of heat exchange and ventilation is the same and stable, and the air quantity of the single wind wheel in the ventilation working mode in the market is obviously smaller than the air quantity in the heat exchange working mode.
In detail, in the present embodiment, the first air guiding fin 311 and the second air guiding fin 312 are disposed to be central symmetry.
In the present embodiment, the blades 31 are in an "S" shape, the first wind guiding fins 311 are disposed near the outside of the centrifugal wind wheel 3, and the second wind guiding fins 312 are disposed near the inside of the center of the centrifugal wind wheel 3.
In further detail, in the present embodiment, the housing further includes a cover plate 4, the cover plate 4 is detachably disposed on the housing 1, a through opening 41 aligned with and attached to the air inlet port of the volute assembly 2 is formed in the cover plate 4, and the cover plate 4 and the housing 1 jointly enclose and accommodate the volute assembly 2.
In further detail, in the embodiment, the heat exchange air outlet 21 is formed as a heating element mounting groove, a PTC heating element is arranged in the heating element mounting groove, and an anti-scalding grille cover is also arranged on the heating element mounting groove in a covering manner.
In the embodiment, the distance from the heat exchange air outlet port 21 to the bottom of the volute assembly 2 is 250mm-290mm, and the diameter of the centrifugal wind wheel 3 is 144mm-174mm.
In further detail, in the present embodiment, a motor is further included, the motor is in driving connection with the centrifugal wind wheel 3, the rotational speed of the motor is set to 1320rpm, the length of the blades 31 of the centrifugal wind wheel 3 is 145mm (the dimension in the axial direction of the centrifugal wind wheel 3), the thickness is 15mm (the thickness of the blades 31), the height is 72mm (the dimension in the radial direction of the centrifugal wind wheel 3), the number of PTC sheets of the PTC heating member is 4, each layer of PTC sheets is 24, and the pitch between the adjacent two PTC sheets is 3mm.
The following table shows the effects corresponding to three different sets of parameters:
The table shows that when the scheme A is compared with the scheme B, the air quantity of the scheme A is smaller under the condition that the rotating speed and the tooth pitch are certain, and when the scheme B is compared with the scheme B, the air quantity of the scheme C is smaller under the condition that the rotating speed and the tooth pitch are certain, so that the optimal air quantity of the scheme B is obtained.
And comparing the power of the scheme A with that of the scheme B, wherein the power of the scheme B meets the design requirement, the power of the scheme B and that of the scheme C meet the design requirement, and the scheme B and the scheme C meet the design requirement. Compared with the existing products in the market, the utility model can generate larger heat exchange energy efficiency and air outlet effect on the premise of the same motor driving power by reasonably configuring each critical dimension parameter.
In further detail, the heat exchange air outlet port 21 is provided with an arc-shaped guiding area for guiding the air flow to blow outwards, the length of the heat exchange air outlet port 21 is 181mm, the length of the PTC heating element is 145mm, and the arc-shaped guiding area is adaptively extended in a space where the length of the heat exchange air outlet port is subtracted by the length of the PTC heating element.
Example two
As shown in fig. 1-6, according to another aspect of the present utility model, there is further provided a bathroom warmer, which includes an electronic control module, a panel 5 and a cabinet structure, wherein the electronic control module is configured to control a rotation direction of the centrifugal wind wheel 3, and an air guide port 51 for connecting with the heat exchange air outlet port 21 is formed on the panel 5. When the air exchanging system is required to be switched to a heat exchanging mode, the electric control module controls the centrifugal wind wheel 3 to rotate in the clockwise direction, the centrifugal wind wheel 3 throws air flow in the centrifugal direction, the first air guiding fins 311 are arranged to smoothly bend in the clockwise direction, the first air guiding fins 311 guide air flow to be blown in the clockwise direction, the heat exchanging air duct 23 is arranged on the left side of the centrifugal wind wheel 3, then the air flow blown in the clockwise direction is converged on one side of the heat exchanging air duct 23, so that the air exchanging system has the effect of exchanging heat with a heat exchanging device on the heat exchanging air outlet port 21 and then blowing the air from the air guiding port 51 of the panel 5 indoors, when the air exchanging mode is required to be switched to, the electric control module controls the centrifugal wind wheel 3 to rotate in the anticlockwise direction, the centrifugal wind wheel 3 throws air flow in the centrifugal direction, the second air guiding fins 312 guide the air flow to be blown in the anticlockwise direction, and the heat exchanging air duct 23 is arranged on the right side of the centrifugal wind wheel 3, so that the air flow blown in the anticlockwise direction is converged on one side of the heat exchanging air duct 24, and then the air duct is converged through the heat exchanging air outlet port 22 and a connected pipeline wind wheel, and the air duct is blown out of the air duct is reduced, compared with the air exchanging system by adopting the utility model, and the air exchanging system has the effect of exchanging system which has the air exchanging structure and the utility model, compared with the air exchanging system, and the air exchanging system is required to be independently arranged on the air exchanging wind wheel 3, and has the air exchanging structure, and the air exchanging structure and has the effect and compared with the air exchanging effect and the utility model.
In this embodiment, the panel 5 is further provided with a lamp panel for lighting.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.