Double-air-path humidifier

Abstract

The utility model discloses a double-air-path humidifier which comprises a shell provided with an air inlet and an air outlet, a water tank arranged at the bottom in the shell, a flat-plate-shaped humidifying net arranged above the water tank and opposite to the air inlet, and a centrifugal fan opposite to the humidifying net. A water pump is arranged in the water tank, and the water outlet end of the water pump communicates with the top of the humidifying net so as to supply water to the humidifying net; the centrifugal fan is provided with a volute, and the volute is provided with a volute air channel communicating with the air outlet side of the centrifugal fan and the air outlet. And a grid opposite to the air inlet is arranged below the volute. According to the humidifier provided by the utility model, the grille opposite to the air inlet is arranged below the volute, so that double-path air inlet is realized, and the humidifier has the characteristics of large air volume, low power consumption and low noise.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air humidification technical field, concretely relates to a double air path humidifier. BACKGROUND

[0002] With the development of economy and the improvement of living standards, people's comfort requirements for living environment are higher and higher, and air humidity is an important index and adjustable factor affecting comfort, especially in the dry climate of the north and indoor air conditioning application environment, the demand for air humidifiers is very strong. The evaporative humidifier on the market is to add water to the humidifying net, then the external dry air is introduced into the humidifier through the fan, and the water vapor is carried after passing through the humidifying net, and finally it is blown out of the machine to realize the humidification of indoor air. The humidification amount of this humidifier is directly related to the power of the fan, and the humidification amount is not high under the conventional power, while the fan has high energy consumption and high noise under high power mode, and the user experience is not good. SUMMARY

[0003] The utility model provides a double air path humidifier to solve the problem of low humidification amount of the humidifier in prior art.

[0004] A double air path humidifier, comprising a shell provided with an air inlet and an air outlet, a water tank arranged at the bottom of the shell, a flat plate humidifying net arranged above the water tank and opposite to the air inlet, and a centrifugal fan opposite to the humidifying net; a water pump is arranged in the water tank, the water outlet end of the water pump is communicated with the top of the humidifying net to supply water to the humidifying net; the centrifugal fan is provided with a volute, the volute has a volute air duct communicated with the air outlet side of the centrifugal fan and the air outlet; a grille opposite to the air inlet is arranged below the volute.

[0005] Preferably, the air entering from the air inlet flows through the humidifying net, part of which enters the volute air duct from the front of the centrifugal fan, and the other part passes through the grille to the back of the centrifugal fan and enters the volute air duct, and the two parts of air are mixed and flow out from the air outlet.

[0006] Preferably, the air inlet is located on the side of the shell, and the humidifying net is parallel to the side with the air inlet; the air outlet is located on the top surface of the shell.

[0007] Preferably, a water tank is arranged on the top of the shell, and the water tank is communicated with the water tank through a pipeline, and the water added from the water tank flows into the water tank along the pipeline under the action of gravity.

[0008] Preferably, a cover plate is arranged on the top of the water tank, and the cover plate is provided with a buckle position.

[0009] Preferably, a frame-shaped humidifying net support is arranged in the shell to fix the humidifying net, and a water collecting groove is arranged at the bottom of the humidifying net support, and the water collecting groove is communicated with the water tank through a pipeline, so that the water falling from the humidifying net is collected in the water collecting groove and flows back to the water tank under the action of gravity.

[0010] Preferably, a water storage groove is arranged at the top of the humidifying net support, and the water outlet of the water pump is communicated with the water storage groove, and the water storage groove is communicated with the top of the humidifying net to supply water to the humidifying net.

[0011] Preferably, a transverse fixing rod is arranged above the frame-shaped space of the humidifying net support, and the top of the humidifying net is folded to form a double-layer humidifying net structure over the fixing rod.

[0012] Preferably, transversely and longitudinally staggered fixing plates are arranged on the air inlet side and the air outlet side of the humidifying net support.

[0013] Preferably, an air filter is arranged between the air inlet and the humidifying net.

[0014] The utility model has the following beneficial effects:

[0015] (1) The grating opposite to the air inlet is arranged below the volute to form double air paths, so that the fan has greater air volume under the condition of conventional power operation, thereby improving the humidifying efficiency.

[0016] (2) By selecting a low-noise centrifugal fan, the noise of the humidifier during operation is reduced, and the comfort of the user is improved. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, other drawings can be obtained by the ordinary skilled in the art without any creative effort on the premise of not paying the creative effort. In addition, the same components are marked with the same reference numerals in the drawings, and the drawings are not drawn according to the actual proportion.

[0018] Figure 1 It is the whole machine structure diagram of the double air path humidifier of the embodiment of the utility model.

[0019] Figure 2 It is the sectional structure diagram of the double air path humidifier of the embodiment of the utility model.

[0020] Figure 3 It is the explosion structure diagram of the double air path humidifier of the embodiment of the utility model after removing the opposite two side shell bodies.

[0021] Figure 4The cross section view of the humidifying net of the utility model specific embodiment.

[0022] Explanation of reference numerals

[0023] 100 - dual air path humidifier

[0024] 110 - housing; 111 - air inlet; 112 - air outlet

[0025] 120 - water tank; 121 - water pump

[0026] 130 - humidifying net; 131 - humidifying net support; 1311 - fixed plate; 1312 - fixed rod; 1313 - water collecting groove; 1314 - water storage groove

[0027] 140 - centrifugal fan

[0028] 150 - volute; 151 - volute air duct; 152 - grille

[0029] 160 - water adding groove; 161 - cover plate; 1611 - buckle hand position

[0030] 170 - air filter element DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model specific embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below by combining with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the present disclosure, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the utility model protection.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model. DETAILED DESCRIPTION

[0034] As Figures 1-3As shown, the embodiment provides a double air path humidifier 100, which comprises a shell 110 provided with an air inlet 111 and an air outlet 112, a water tank 120 arranged at the bottom of the shell 110, a flat humidifying net 130 arranged above the water tank 120 and opposite to the air inlet 111, and a centrifugal fan 140 opposite to the humidifying net 130; the water tank 120 is provided with a water pump 121, and the water outlet of the water pump 121 is communicated with the top of the humidifying net 130 to supply water to the humidifying net 130; the centrifugal fan 140 is provided with a volute 150, and the volute 150 has a volute air duct 151 communicated with the air outlet side of the centrifugal fan 140 and the air outlet 112; the volute 150 is provided below with a grid 152 opposite to the air inlet 111.

[0035] Please refer to Figures 1-3 The double air path humidifier 100 provided by the embodiment comprises the shell 110, the water tank 120, the humidifying net 130, the centrifugal fan 140 and the volute 150; the shell 110 is provided with the air inlet 111 and the air outlet 112; the water tank 120 is arranged at the bottom of the shell 110 and used for storing water and supplying water to the humidifying net 130; the humidifying net 130 has water absorption and air permeability, is installed above the water tank 120 and opposite to the air inlet 111; the centrifugal fan 140 is installed at the air outlet side of the humidifying net 130 and opposite to the humidifying net 130; the water tank 120 is provided with the water pump 121, the water outlet of the water pump 121 is communicated with the top of the humidifying net 130, the water pump 121 extracts water in the water tank 120 to supply water to the top of the humidifying net 130 and the water is absorbed by the humidifying net 130, and the excess water flows back to the water tank 120 under the action of gravity; the centrifugal fan 140 is provided with the volute 150, and the volute 150 has the volute air duct 151 communicated with the air outlet side of the centrifugal fan 140 and the air outlet 112; the volute 150 is provided below with the grid 152 opposite to the air inlet 111 to allow air to pass through. When the humidifier 100 is started, the water pump 121 starts to work to extract water in the water tank 120 to the top of the humidifying net 130 to be absorbed by the humidifying net 130, and the excess water flows back to the water tank 120; at the same time, the centrifugal fan 140 operates to suck dry air from the air inlet 111, the dry air is humidified after passing through the humidifying net 130 and carrying water vapor, part of the air enters the volute air duct 151 from the front of the centrifugal fan 140, another part of the air enters the volute air duct 151 from the back of the centrifugal fan 140 through the grid 152, and the two parts of air flow are mixed in the volute air duct 151 and then discharged from the air outlet 112, so as to achieve the purpose of humidifying indoor air.

[0036] The embodiment has the beneficial effects that: by arranging the grid 152 opposite to the air inlet 111 below the volute 150, a double air path is formed, so as to increase the air volume, so that the centrifugal fan 140 has a larger humidification amount under the condition of conventional power operation, and the energy consumption is greatly reduced; compared with the single air path scheme, the double air path humidifier 100 has lower noise under the same humidification amount.

[0037] In a more preferred embodiment, the air entering from the air inlet 111 flows through the humidifying net 130, and then part of the air enters the volute air duct 151 from the front of the centrifugal fan 140, and the other part of the air enters the volute air duct 151 from the back of the centrifugal fan 140 through the grid 152, and the mixed air flows out from the air outlet 112. In this embodiment, the centrifugal fan 140 adopts a double-side air inlet design, and the air can enter from both sides of the fan impeller, which can balance the pressure on both sides of the impeller and reduce vibration, and the double-side air inlet can obtain a larger air volume; by arranging the grid 152 below the volute 150, a wind path is added, and compared with the double-fan solution, the solution has the advantages of low cost and small space occupation, and the solution is easy to implement.

[0038] In a more preferred embodiment, the air inlet 111 is located on the side of the shell 110, the humidifying net 130 is parallel to the side with the air inlet 111, and the air outlet 112 is located on the top of the shell 110. In this embodiment, the air inlet 111 is arranged on the side of the shell 110, which has a larger air inlet area compared with arranging the air inlet 111 on the top, and the air entering from the air inlet 111 vertically passes through the humidifying net 130 and carries the water vapor on the humidifying net 130 to flow out from the air outlet 112; the air outlet 112 arranged on the top of the shell 110 can avoid direct blowing to the user and improve the user experience.

[0039] In a more preferred embodiment, the shell 110 is provided with a water adding groove 160, and the water adding groove 160 is connected to the water tank 120 through a pipeline. The water added from the water adding groove 160 flows into the water tank 120 along the pipeline under the action of gravity. In this embodiment, the water adding groove 160 is arranged on the top of the shell 110 to facilitate the user to add water to the humidifier 100, and the water in the water adding groove 160 flows into the water tank 120 along the pipeline under the action of gravity without the need of the water pump 121 to drive, which has a simple structure and low energy consumption.

[0040] In a more preferred embodiment, a cover plate 161 is arranged on the top of the water adding groove 160, and the cover plate 161 is provided with a buckle position 1611. Specifically, when the water adding groove 160 does not need to be added water, the cover plate 161 is arranged on the top of the water adding groove 160 to prevent dust or sundries from entering the water adding groove 160 and polluting the water or blocking the pipeline; when the humidifier 100 needs to be added water, the cover plate 161 is removed, and water is added to the water adding groove 160.

[0041] In a more preferred embodiment, a frame-shaped humidifying net support 131 is further arranged in the shell 110 to fix the humidifying net 130, and the humidifying net support 131 is provided with a water collecting groove 1313 at the bottom. The water collecting groove 1313 is connected to the water tank 120 through a pipeline, and the water falling from the humidifying net 130 is collected in the water collecting groove 1313 and flows back to the water tank 120 along the pipeline under the action of gravity.

[0042] In combinationFigure 4 In a more preferable embodiment, the top of the humidifying net support 131 is provided with a water storage tank 1314, the water outlet of the water pump 121 is communicated with the water storage tank 1314, and the water storage tank 1314 is communicated with the top of the humidifying net 130 to supply water to the humidifying net 130. In this embodiment, by arranging the water storage tank 1314 on the top of the humidifying net support 131, the water in the water storage tank 1314 overflows to the top of the humidifying net 130, and then flows down from the top of the humidifying net 130 until the whole humidifying net 130 is wetted. Compared with the scheme of directly spraying water on the humidifying net 130 by the water pump 121, the water can be uniformly supplied to the humidifying net 130, and the water waste is reduced.

[0043] In a more preferable embodiment, the frame-shaped space of the humidifying net support 131 is provided with a horizontal fixing rod 1312, and the top of the humidifying net 130 is folded to form a double-layer humidifying net 130 structure beyond the fixing rod 1312. In this embodiment, the top of the double-layer humidifying net 130 is fixed by the fixing rod 1312, so that the humidifying net 130 is prevented from shrinking under the driving of the air flow, and the humidifying effect is affected.

[0044] In a more preferable embodiment, the humidifying net support 131 is provided with horizontal and vertical staggered fixing plates 1311 on the air inlet side and the air outlet side of the humidifying net 130. When the air passes through the humidifying net 130, the humidifying net 130 is prone to deformation and shrinkage under the driving of the air flow, and then the humidifying net 130 cannot be fully wetted, and the humidifying effect is affected. In this embodiment, the horizontal fixing plates 1311 and the vertical fixing plates 1311 are used to fix the humidifying net 130 to prevent deformation, and the horizontal fixing plates 1311 and the vertical fixing plates 1311 are staggered to form a plurality of air passages for the air to pass through.

[0045] In a more preferable embodiment, an air filter 170 is arranged between the air inlet 111 and the humidifying net 130. The air entering from the air inlet 111 is purified by the air filter 170, and then passes through the humidifying net 130 to humidify the air, so that the humidification and purification are integrated.

[0046] The above is only a specific implementation manner of the present application, so that those skilled in the art can understand or implement the present disclosure. Various modifications of these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dual air path humidifier, characterized by, The humidifier comprises a housing (110) provided with an air inlet (111) and an air outlet (112), a water tank (120) arranged at the bottom of the housing (110), a flat humidifying net (130) arranged above the water tank (120) and opposite to the air inlet (111), and a centrifugal fan (140) opposite to the humidifying net (130); the water tank (120) is provided with a water pump (121), and the water outlet of the water pump (121) is communicated with the top of the humidifying net (130) to supply water to the humidifying net (130); the centrifugal fan (140) is provided with a volute (150), and the volute (150) has a volute air duct (151) communicated with the air outlet side of the centrifugal fan (140) and the air outlet (112); the volute (150) is provided with a grille (152) opposite to the air inlet (111) below.

2. The dual pass humidifier of claim 1, wherein, The air entering from the air inlet (111) flows through the humidifying net (130), and then part of the air enters the volute air duct (151) from the front of the centrifugal fan (140), and the other part of the air passes through the grille (152) to the back of the centrifugal fan (140) and enters the volute air duct (151), and the two parts of air are mixed and then flow out from the air outlet (112).

3. The dual pass humidifier of claim 2, wherein, The air inlet (111) is located on the side of the housing (110), and the humidifying net (130) is parallel to the side with the air inlet (111); the air outlet (112) is located on the top of the housing (110).

4. The dual pass humidifier of claim 3, wherein, The top of the housing (110) is provided with a water adding groove (160), and the water adding groove (160) is communicated with the water tank (120) through a pipeline; the water added from the water adding groove (160) flows into the water tank (120) under the action of gravity.

5. The dual pass humidifier of claim 4, wherein, The top of the water adding groove (160) is provided with a cover plate (161), and the cover plate (161) is provided with a hand holding position (1611).

6. The dual pass humidifier of claim 1, wherein, The housing (110) is further provided with a frame-shaped humidifying net support (131) to fix the humidifying net (130), and the bottom of the humidifying net support (131) is provided with a water collecting groove (1313) communicated with the water tank (120) through a pipeline; the water falling from the humidifying net (130) is collected in the water collecting groove (1313) and then flows back to the water tank (120) under the action of gravity.

7. The dual pass humidifier of claim 6, wherein, The top of the humidifying net support (131) is provided with a water storage groove (1314), and the water outlet of the water pump (121) is communicated with the water storage groove (1314); the water storage groove (1314) is communicated with the top of the humidifying net (130) to supply water to the humidifying net (130).

8. The dual pass humidifier of claim 7, wherein, The top of the humidifying net (130) is folded to form a double-layer humidifying net structure by crossing the fixing rod (1312) arranged above the frame-shaped space of the humidifying net support (131).

9. The dual pass humidifier of claim 8, wherein, The humidifying net support (131) is provided with transverse and longitudinal staggered fixing plates (1311) on the air inlet side and the air outlet side of the humidifying net (130).

10. The dual air passageway humidifier according to any one of claims 1-9, wherein, An air filter (170) is arranged between the air inlet (111) and the humidifying net (130).

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