CN219589081U - Dehumidifier - Google Patents

Abstract

The utility model discloses a dehumidifier which comprises a box body, an evaporator, a condenser and a fan which are arranged at the upper part of the box body, and a volute which is arranged in the box body, wherein an air channel is formed in a cavity in the volute; the lower part of the volute is a circular shell, the upper part of the volute is an exhaust shell extending upwards along the tangential direction of the circular shell, the fan is arranged in the circular shell, and an air duct inlet is arranged at the position, opposite to the air inlet of the box, of the circular shell; an air duct outlet is formed in the top of the exhaust shell, and is positioned at the top of the box body; the evaporator and the condenser are arranged between the air duct inlet and the air inlet. Through set up the spiral case in the box, be equipped with the wind channel of upwards supplying air in the spiral case, can make the flow path of air be by box back air inlet, follow the top air-out, reduce the wind speed through the flow path that changes the wind, and then the noise reduction. Simultaneously, be fixed in the spiral case with the wind wheel, be convenient for install, and fixed firm has longer life.

Description

Dehumidifier

Technical Field

The utility model relates to the technical field of dehumidification equipment, in particular to a dehumidifier.

Background

The dehumidifier is used for removing moisture in air, can reduce humidity, and is widely applied to places and families with higher requirements on humidity. However, the existing dehumidifier on the market has the following defects: (1) The existing air duct is usually a convection type air duct, the air inlet and the air outlet are arranged at two opposite sides of the box body, and noise generated by the ventilation mode is large; (2) Most of the air duct systems of the existing dehumidifier adopt a mode of fixing and assembling a motor and a wind wheel screw, the installation steps are more, the screw looseness can occur when the dehumidifier is used for a long time, the noise is large, and the wind wheel can fall off when serious; (3) Most dehumidifier's motor is all installed in the position that is close to the condenser, and the heat of condenser can be transmitted to the motor during operation, and long-time operation easily causes the motor to damage, simultaneously, because the wind wheel is plastics material generally, coefficient of thermal expansion, at the in-process of expend with heat and contract with cold, the screw that is used for fixing the motor easily becomes flexible, appears the motor condition that drops even.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the shortcomings of the prior art, the utility model aims to provide a dehumidifier which aims to solve the defects of large noise and troublesome fan installation of the existing dehumidifier.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the dehumidifier comprises a box body, an evaporator, a condenser and a fan which are arranged at the upper part of the box body, and also comprises a volute which is arranged in the box body, wherein an air channel is formed in a cavity of the volute; the lower part of the volute is a circular shell, the upper part of the volute is an exhaust shell extending upwards along the tangential direction of the circular shell, the fan is arranged in the circular shell, and an air duct inlet is arranged at the position, opposite to the air inlet of the box, of the circular shell; an air duct outlet is formed in the top of the exhaust shell, and is positioned at the top of the box body; the evaporator and the condenser are arranged between the air duct inlet and the air inlet.

In the dehumidifier, a shell plate which is detachably connected is arranged on one side of the circular shell opposite to the air duct inlet.

In the dehumidifier, the shell plate is provided with two clamping blocks and a plurality of fixing holes, the position of the volute corresponding to the fixing holes is provided with a threaded hole, and the shell plate is connected with the volute through screws.

In the dehumidifier, the fan comprises a motor and a wind wheel, and the motor and the wind wheel are injection molded into an integrated structure.

In the dehumidifier, the wind wheel is a centrifugal wind wheel.

In the dehumidifier, a plurality of threaded holes for fixing a motor are formed in the shell plate, and the motor is connected with the threaded holes through screws.

In the dehumidifier, an outward-turned annular convex edge is arranged around the air duct inlet.

In the dehumidifier, a grid is arranged at the outlet of the air duct.

In the dehumidifier, the cross section of the grille gradually reduces from the middle to the two ends.

The beneficial effects are that:

the utility model provides a dehumidifier, which is characterized in that a volute is arranged in a box body, an upward air supply air duct is arranged in the volute, so that the air flow path is air inlet from the back of the box body, air is discharged from the top of the box body, the air speed is reduced by changing the air flow path, and the noise is further reduced. Simultaneously, be fixed in the spiral case with the wind wheel, be convenient for install, and fixed firm has longer life.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a dehumidifier (a side plate of a box is not shown) provided by the present utility model.

Fig. 2 is a right side view of an internal structure of the dehumidifier.

Fig. 3 is a front view of an internal structure of the dehumidifier.

Fig. 4 is an enlarged view at a in fig. 2.

The drawings are marked: the device comprises a 1-box body, a 2-evaporator, a 3-condenser, a 4-air inlet, a 5-air duct, a 6-volute, a 7-air duct inlet, an 8-circular shell, a 9-exhaust shell, a 10-fan, an 11-air duct outlet, a 12-shell plate, a 13-clamping block, a 14-fixing hole, a 15-threaded hole, a 16-motor, a 17-wind wheel, an 18-annular convex edge and a 19-grid.

Detailed Description

The utility model provides a dehumidifier, which is used for making the purpose, technical scheme and effect of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, a dehumidifier provided in a preferred embodiment of the present utility model includes a box 1, an evaporator 2, a condenser 3 and a fan 10 disposed at an upper portion of the box 1, an air inlet 4 is disposed at a back portion of the box 1, the evaporator 2 and the condenser 3 are disposed opposite to the air inlet 4, a volute 6 is further disposed in the box 1, and an air duct 5 is formed in a cavity of the volute 6. The lower part of the volute 6 is a circular shell 8, the circular shell 8 is used for accommodating a fan 10, and an air duct 5 inlet is arranged on the side wall of the circular shell opposite to the air inlet 4. The upper portion of spiral case 6 is equipped with the exhaust casing 9 that upwards extends along the tangential direction of circular casing 8, exhaust casing 9 top is equipped with wind channel 5 export to the wind channel 5 export is located the top of box 1. The exhaust shell 9 gradually expands from bottom to top to form an expanded exhaust channel. The evaporator 2 and the condenser 3 are arranged between the inlet of the air duct 5 and the air inlet 4, the fan 10 is arranged in the circular shell 8 and is opposite to the inlet of the air duct 5, and air can circularly flow inside and outside the box body 1 under the action of the fan 10.

In the specific implementation process, the fan 10 operates to enable air to enter from an air inlet, the air is cooled and dehumidified through the evaporator 2, then the temperature is raised through the condenser 3 to obtain dry air, the dry air enters into the air duct 5 through an inlet of the air duct 5, and the dry air is discharged from an outlet of the air duct 5 arranged at the top of the box body 1 under the action of the fan 10.

The high-energy-efficiency dehumidifier with the structure can change the flow direction of wind by arranging the air duct 5 in the shape of the volute 6, so that the wind enters from the horizontal direction and then is discharged from the top, and the wind speed can be reduced, the wind speed is softened and the noise is reduced due to the change of the wind direction. Simultaneously, the air exhaust channel of flaring can also make wind speed reduce, reduces vibrations, makes each connection structure connect more firmly.

In a preferred embodiment, as shown in fig. 3, in order to facilitate the installation of the fan 10, a detachable shell plate 12 is provided on the side of the circular housing 8 opposite to the inlet of the air duct 5, the diameter of the shell plate 12 is larger than the outer diameter of the fan 10, and the shell plate 12 is used for fixing the fan 10 and closing the back of the circular housing 8. In order to facilitate the installation of the shell plate 12 and reduce vibration, the shell plate 12 is provided with two clamping blocks 13 and three fixing holes 14, the two clamping blocks 13 are symmetrically arranged, the position of the circular shell 8 corresponding to the clamping blocks 13 is provided with a fastener, and when the shell plate 12 is connected with the volute 6, the clamping blocks 13 are in clamping connection with the fastener; the three fixing holes 14 are arranged in a triangle shape, threaded holes 15 are arranged at positions of the spiral case 6 corresponding to the fixing holes 14, and the shell plate 12 is connected with the spiral case 6 through screws. The shell plate 12 and the volute 6 can be connected more firmly by combining the snap connection and the screw connection, so that the air duct 5 is free from air leakage.

In a preferred embodiment, as shown in fig. 2, the fan 10 includes a motor 16 and a wind wheel 17, and the motor 16 and the wind wheel 17 are integrally formed by injection molding, so that, when in installation, the wind wheel 17 can be fixed in the volute 6 by fixing the motor 16 on the volute 6, and compared with the prior art that the motor 16 is fixed on the wind wheel 17 by screws, the connection is simpler and more convenient, and is very stable and not easy to loosen. Meanwhile, the wind wheel 17 is fixed through the motor 16, so that the motor 16 is positioned at one side far away from the condenser 3, and therefore, the heat of the condenser 3 is prevented from being transferred to the motor 16, the temperature of the motor 16 during operation can be reduced, and the service life of the motor 16 is prolonged. Specifically, the shell plate 12 is provided with a plurality of threaded holes 15 for fixing the motor 16, and the threaded holes 15 can be connected with screws, so that the motor 16 is fixed on the shell plate 12, and the fixation of the motor 16 and the wind wheel 17 is realized.

The wind wheel 17 is a centrifugal wind wheel 17, which can convert wind entering in the horizontal direction into wind in the vertical direction, so that the change of wind direction is realized, and the wind becomes soft.

In order to expand the air intake range, in a preferred embodiment, as shown in fig. 2, an outward turned annular flange 18 is provided around the inlet of the air duct 5, and the annular flange 18 forms an annular flaring at the inlet, so that the air suction area of the inlet of the air duct 5 is wider, the air suction is smoother, and the air can be better guided into the air duct 5.

In a preferred embodiment, as shown in fig. 2, the outlet is further provided with a grille 19, and the grille 19 has a protective effect and also has a wind guiding effect, so that wind can be dispersed and guided out.

In a preferred embodiment, as shown in fig. 4, the grille 19 is a grille 19 with a rhombic cross section, and its cross section gradually decreases from the middle to the two ends, so that the shrinkage formed between the two grille 19 is then flared, when the wind passes between the two grille 19, the wind will be output in a divergent manner, which not only can expand the wind diffusion range, but also can reduce the wind speed, make the wind soft, and reduce the wind whistling.

In summary, according to the dehumidifier disclosed by the utility model, the volute is arranged in the box body, and the air channel for upward air supply is arranged in the volute, so that the air flow path is the air inlet from the back of the box body, the air is discharged from the top of the box body, and the air speed is reduced by changing the air flow path, so that the noise is reduced. Simultaneously, be fixed in the spiral case with the wind wheel, be convenient for install, and fixed firm has longer life.

It should be noted that, in the description of the embodiments of the present utility model, the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "left", "right", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.

Claims (9)

1. The dehumidifier comprises a box body, an evaporator, a condenser and a fan which are arranged at the upper part of the box body, and is characterized by also comprising a volute which is arranged in the box body, wherein an air channel is formed in a cavity in the volute; the lower part of the volute is a circular shell, the upper part of the volute is an exhaust shell extending upwards along the tangential direction of the circular shell, the fan is arranged in the circular shell, and an air duct inlet is arranged at the position, opposite to the air inlet of the box, of the circular shell; an air duct outlet is formed in the top of the exhaust shell, and is positioned at the top of the box body; the evaporator and the condenser are arranged between the air duct inlet and the air inlet.

2. The dehumidifier of claim 1, wherein a side of the circular housing opposite the inlet to the air duct is provided with a removably attachable housing plate.

3. The dehumidifier of claim 2, wherein the housing plate is provided with two clamping blocks and a plurality of fixing holes, the position of the volute corresponding to the fixing holes is provided with a threaded hole, and the housing plate is connected with the volute through screws.

4. The dehumidifier of claim 2, wherein the blower comprises a motor and a rotor, the motor and rotor being injection molded as a unitary structure.

5. The dehumidifier of claim 4, wherein the wind wheel is a centrifugal wind wheel.

6. The dehumidifier of claim 5, wherein the housing plate is provided with a plurality of threaded holes for securing a motor, the motor being coupled to the threaded holes by screws.

7. The dehumidifier of claim 1, wherein an outwardly turned annular bead is provided around the air duct inlet.

8. The dehumidifier of claim 1, wherein the duct outlet is provided with a grille.

9. The dehumidifier of claim 8, wherein the cross-section of the grille tapers from the middle to the two ends.