Dehumidifier with filter screen cleaning structure

Abstract

The utility model relates to a kind of dehumidifiers with filter screen cleaning structure, including shell, the wind scooper of front and rear through being installed on the shell, fan being installed in the wind scooper, dehumidification component being installed in the shell and being opposite with the wind scooper, first filter screen being installed between the fan and the dehumidification component and cleaning device being installed between the first filter screen and the fan;The air outlet of the fan is set to the direction of the dehumidification component;The cleaning device includes cleaning piece for cleaning the first filter screen and driving mechanism for driving the cleaning piece reciprocating motion on the surface of first filter screen, and the cleaning piece is installed on the wind scooper;The driving mechanism is linear motor installed on the wind scooper, and the linear motor includes screw rod, and one end of the cleaning piece is threadedly connected with the screw rod;Driving mechanism cooperation cleaning piece can effectively remove dust, impurities and dirt accumulated on first filter screen.

Description

Technical Field

[0001] This utility model relates to the field of dehumidifiers, and in particular to a dehumidifier with a filter cleaning structure. Background Technology

[0002] High humidity environments can cause many inconveniences to people's lives and work, such as clothes being difficult to dry, furniture being prone to mold, and indoor air feeling damp and stuffy. In these areas, traditional dehumidifiers have become an important tool for dealing with humidity problems, ensuring that the humidity of the production environment meets the requirements and preventing products from getting damp, moldy, or corroded. With the increase of usage time, due to environmental and usage reasons, dust, impurities and other pollutants will gradually accumulate inside the dehumidifier, causing blockage of internal components and thus affecting the dehumidification efficiency of the dehumidifier. Utility Model Content

[0003] Therefore, the purpose of this utility model is to provide a dehumidifier with a filter cleaning structure.

[0004] The present invention adopts the following technical solution:

[0005] A dehumidifier with a filter cleaning structure includes a housing, a through-type air guide hood mounted on the housing, a fan mounted inside the air guide hood, a dehumidification assembly mounted inside the housing opposite to the air guide hood, a first filter installed between the fan and the dehumidification assembly, and a cleaning device installed between the first filter and the fan; the air outlet of the fan is arranged towards the dehumidification assembly; the cleaning device includes a cleaning component mounted on the air guide hood for cleaning the first filter and a drive mechanism for driving the cleaning component to reciprocate on the surface of the first filter; the drive mechanism is a linear motor mounted on the air guide hood, the linear motor includes a lead screw, and one end of the cleaning component is threadedly connected to the lead screw.

[0006] Furthermore, the cleaning device also includes a guide post mounted on the air guide cover, with the other end of the cleaning component fitted inside the guide post.

[0007] Furthermore, the cleaning component is a cleaning roller, which includes a roller body and a cleaning portion disposed on the outer surface of the roller body; the cleaning portion abuts against the surface of the first filter screen.

[0008] Furthermore, the dehumidification assembly includes a condenser, a compressor, and an evaporator, with the evaporator disposed between the condenser and the fan, and a second filter disposed between the condenser and the evaporator.

[0009] Furthermore, a heating component is provided on the second filter screen on the side opposite to the condenser, the heating component being a heating wire installed on the second filter screen.

[0010] Furthermore, the evaporator includes an evaporating plate, a condensing pipe mounted on the evaporating plate, and evaporating fins mounted on the evaporating plate.

[0011] Furthermore, the condenser includes a condensing plate, an evaporation pipe mounted on the condensing plate, and condensing fins mounted on the condensing plate.

[0012] Furthermore, the first filter screen is enclosed and installed on the air guide shroud; an air outlet channel is provided on the housing on the side opposite to the air guide shroud.

[0013] Furthermore, the evaporator and the condenser are connected via a capillary tube.

[0014] Furthermore, the air guide shroud is a tubular structure with both ends open.

[0015] The beneficial effects of this utility model are as follows:

[0016] The dehumidifier with a filter cleaning structure disclosed in this utility model has a drive mechanism that, in conjunction with the cleaning component, can effectively remove dust, impurities, and dirt accumulated on the first filter, ensuring that the first filter does not accumulate too many pollutants due to prolonged use, thus maintaining a good filtration effect at all times. Timely cleaning of the first filter can prevent dust and impurities from entering the core components of the dehumidifier. The first filter can intercept pollutants such as dust, pollen, and bacteria in the air, providing cleaner air for the indoor environment. Attached Figure Description

[0017] Figure 1 This is a perspective view of a dehumidifier with a filter cleaning structure according to an embodiment of the present invention;

[0018] Figure 2 for Figure 1 A three-dimensional schematic diagram of a dehumidifier with a filter cleaning structure from another angle;

[0019] Figure 3 for Figure 1 Right sectional view of a dehumidifier with a filter cleaning structure;

[0020] Figure 4 for Figure 1 An exploded view of a dehumidifier with a filter cleaning structure after the casing has been removed. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "vertical direction," "up," "down," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Please see Figures 1 to 4 This invention relates to a dehumidifier with a filter cleaning structure, comprising a housing 10, a front-to-back air guide hood 20 mounted on the housing 10, a fan 30 mounted inside the air guide hood 20, a dehumidification assembly 90 mounted inside the housing 10 opposite to the air guide hood 20, a first filter 11 mounted between the fan 30 and the dehumidification assembly 90, and a cleaning device 70 mounted between the first filter 11 and the fan 30. The air outlet of the fan 30 is arranged towards the dehumidification assembly 90. The cleaning device 70 includes a cleaning component 71 mounted on the air guide hood 20 for cleaning the first filter 11 and a driving mechanism 72 for driving the cleaning component 71 to reciprocate on the surface of the first filter 11. The driving mechanism 72 is a linear motor mounted on the air guide hood 20, the linear motor including a lead screw, and one end of the cleaning component 71 is threadedly connected to the lead screw. In this embodiment, the air guide hood 20 is a tubular structure with both ends open.

[0025] The working principle of this dehumidifier with a filter cleaning structure is as follows: When the dehumidifier is started, the fan 30 inside the air guide shroud 20 installed on the housing 10 begins to operate; the air outlet of the fan 30 is set towards the dehumidification component 90, drawing in air from the surrounding environment and blowing the air towards the dehumidification component 90; during the airflow towards the dehumidification component 90, it first passes through the first filter 11 installed between the fan 30 and the dehumidification component 90; the first filter 11 filters dust, impurities and other pollutants in the air, preventing these pollutants from entering the dehumidification component 90 and affecting the dehumidification effect and equipment. The service life of the equipment; the cleaning device 70 located between the first filter screen 11 and the fan 30 starts to work; the drive mechanism 72 in the cleaning device 70 is a linear motor installed on the air guide cover 20; when the lead screw of the linear motor rotates, since one end of the cleaning component 71 is threadedly connected to the lead screw, under the rotation of the lead screw, the cleaning component 71 will reciprocate along the axis of the lead screw on the surface of the first filter screen 11; when the cleaning component 71 reciprocates on the surface of the first filter screen 11, the cleaning component 71 will continuously wipe the first filter screen 11, clean away the dust, impurities and other pollutants accumulated on the filter screen, and keep the filter screen clean.

[0026] Compared to existing technologies, the dehumidifier with a filter cleaning structure of this utility model, with the drive mechanism 72 working in conjunction with the cleaning component 71, can effectively remove dust, impurities, and dirt accumulated on the first filter 11, ensuring that the first filter 11 will not accumulate too many pollutants due to prolonged use, thus maintaining a good filtration effect at all times; timely cleaning of the first filter 11 can prevent dust and impurities from entering the core components of the dehumidifier; the first filter 11 can intercept pollutants such as dust, pollen, and bacteria in the air, providing cleaner air for the indoor environment.

[0027] Please see Figure 3 and Figure 4The cleaning device 70 also includes a guide post 73 mounted on the air guide cover 20, and the other end of the cleaning component 71 is fitted inside the guide post 73. The cleaning component 71 is a cleaning roller, which includes a roller body and a cleaning part disposed on the outer surface of the roller body. In this embodiment, the cleaning part is a sponge. In other embodiments, the cleaning part is multiple fine hairs. The cleaning part abuts against the surface of the first filter screen 11. Since one end of the cleaning component 71 is threadedly connected to the lead screw, when the lead screw rotates, the cleaning component 71 will move linearly along the axis of the lead screw. At the same time, the other end of the cleaning component 71 is fitted inside the guide post 73, which guides and stabilizes the movement direction of the cleaning component 71, ensuring that the cleaning component 71 can move smoothly on the predetermined trajectory. During the linear movement, the roller body of the cleaning roller drives the cleaning part disposed on the outer surface of the roller body to move together. The cleaning part abuts against the surface of the first filter screen 11. With the movement of the cleaning roller, the cleaning part performs rolling, wiping and other actions on the surface of the first filter screen 11 to remove dust, impurities and dirt accumulated on the filter screen. The cleaning component 71 can move stably along a predetermined path on the filter screen, ensuring effective cleaning of every part of the filter screen without missing any corner, thus effectively improving the cleaning efficiency and thoroughness. The cleaning part of the cleaning roller abuts against the surface of the first filter screen 11, maintaining close contact throughout the movement. This continuous contact ensures that the cleaning part can fully perform its function, effectively removing both larger dust particles and fine impurities. The guide post 73 provides stable guidance for the movement of the cleaning component 71, effectively preventing the cleaning component 71 from shaking, deviating, or jumping during movement, ensuring the continuity and stability of the cleaning action.

[0028] The dehumidification assembly 90 includes a condenser 40, a compressor 60, and an evaporator 50. The evaporator 50 is located between the condenser 40 and the fan 30, and a second filter 12 is installed between the condenser 40 and the evaporator 50. In the condenser 40, the low-temperature, low-pressure liquid refrigerant absorbs heat from the surrounding air and vaporizes, becoming a low-temperature, low-pressure gaseous refrigerant. This process lowers the temperature of the surrounding air, causing the water vapor in the air to reach saturation and begin to condense into water droplets. When the air from the first filter 11 enters the condenser 40, the air temperature drops rapidly due to the heat absorption of the refrigerant within the condenser 40. As the temperature decreases, the water vapor content in the air exceeds its saturated vapor pressure, and the excess water vapor condenses into water droplets, thus achieving air dehumidification. The low-temperature, low-pressure gaseous refrigerant exiting the condenser 40 is drawn into the compressor 60 and compressed into a high-temperature, high-pressure gaseous refrigerant, which is then discharged into the evaporator. 50; In evaporator 50, the high-temperature, high-pressure gaseous refrigerant dissipates heat into the surrounding environment, its temperature decreases, and it gradually cools and condenses into a medium-temperature, high-pressure liquid refrigerant. The second filter 12, located between condenser 40 and evaporator 50, intercepts any residual dust, impurities, and dirt that may be generated during evaporation, preventing these contaminants from entering evaporator 50 and affecting its heat exchange efficiency and lifespan. If impurities enter evaporator 50, they may adhere to condenser pipes 42 and evaporator fins 53, reducing condensation efficiency. Furthermore, impurities may enter critical components such as compressor 60, damaging the entire refrigeration system. The second filter 12 effectively reduces this risk and protects the normal operation of the refrigeration system.

[0029] Please see Figure 3 A heating element 80, consisting of a heating wire, is installed on the second filter screen 12 on the side opposite to the condenser 40. During dehumidification, moisture in the air condenses into water at the condenser 40, and some of this water vapor may flow to the second filter screen 12. If the ambient temperature is low or the air humidity is high, this water vapor can easily condense into water droplets on the filter screen, causing blockage and affecting airflow. When the heating wire is energized, it generates heat, raising the temperature of the second filter screen 12. This prevents water vapor from condensing on the filter screen, maintaining its permeability and preventing blockage. For some filters with electrostatic adsorption, heating can increase the temperature of the filter screen, intensifying molecular movement in the filter material and enhancing electrostatic adsorption capacity. The heat generated by the heating wire can dry and loosen the dust and impurities trapped on the filter screen, making them easier to be carried away by subsequent airflow or cleaned by the cleaning device 70, thereby improving filtration efficiency.

[0030] Please see Figure 4The evaporator 50 includes an evaporator plate 51, a condensing pipe 42 mounted on the evaporator plate 51, and evaporating fins 53 mounted on the evaporator plate 51. The condensing pipe 42 serves as a channel for refrigerant flow, allowing high-temperature, high-pressure refrigerant gas to flow within the pipe and transfer heat to the surrounding environment. Its internal spatial structure and material properties ensure sufficient contact area between the refrigerant and the inner wall of the pipe, enabling rapid heat transfer from the refrigerant to the pipe, achieving initial heat dissipation and cooling. The evaporating fins 53 significantly increase the contact area between the evaporator 50 and the air. The air can fully exchange heat with the evaporator 50 through the gaps between the fins, accelerating heat transfer from the refrigerant to the air. The evaporator plate 51 provides a stable mounting base for the condensing pipe 42 and the evaporating fins 53, ensuring they maintain the correct position and shape, thereby guaranteeing the stable operation of the heat exchange process. Simultaneously, the evaporator plate 51 itself also has certain thermal conductivity, which can assist in heat transfer, further conducting the heat from the condensing pipe 42 and the fins to the surrounding environment.

[0031] The condenser 40 includes a condensing plate 41, an evaporating pipe 52 mounted on the condensing plate 41, and condensing fins 43 mounted on the condensing plate 41. The condensing plate 41 can evenly transfer heat to the evaporating pipe 52, allowing the refrigerant in the evaporating pipe 52 to absorb heat evenly along the entire length of the pipe, avoiding local overheating or undercooling; it can ensure that the refrigerant can evaporate fully, improving evaporation efficiency and cooling effect. The condensing fins 43, distributed on the condensing plate 41, can evenly distribute heat across the entire condenser 40, making the heat exchange between the air and the condenser 40 more uniform; even under conditions of uneven airflow or temperature distribution, the condensing fins 43 can maintain a relatively uniform temperature in the condenser 40 through their own heat conduction and heat radiation, thereby ensuring the stability of the cooling effect; the combination of the condensing fins 43 and the large-area condensing plate 41 greatly increases the heat exchange area of ​​the entire condenser 40; a larger heat exchange area means that more heat can be absorbed, allowing more liquid refrigerant to evaporate quickly into a gaseous state, increasing the refrigerant evaporation rate.

[0032] The first filter 11 is enclosedly installed on the air guide shroud 20; an air outlet channel 13 is provided on the housing 10 on the side opposite to the air guide shroud 20. The enclosed installation ensures that air can only pass through the first filter 11 through a specific path, preventing air from circling around the filter; it ensures that all air entering the dehumidifier must be filtered by the filter, maximizing the interception of dust, impurities, and other pollutants in the air, thus improving the filtration efficiency and effect; it prevents unfiltered air from directly entering the dehumidifier, thereby protecting the dehumidification component 90; the air outlet channel 13 provides a clear exhaust path for the dehumidified dry air; after being processed by the dehumidification component 90, the air needs to be discharged from the dehumidifier in a timely manner to maintain air circulation.

[0033] Evaporator 50 and condenser 40 are connected by capillary tube 90. The refrigerant exiting condenser 40 is a high-temperature, high-pressure liquid, which needs to be depressurized and cooled to evaporate and absorb heat in evaporator 50. The inner diameter of capillary tube 90 is very small, which creates significant resistance as the refrigerant passes through, causing the refrigerant pressure to drop rapidly and creating a low-temperature, low-pressure state, thus facilitating the smooth evaporation of the refrigerant in evaporator 50. The throttling effect of capillary tube 90 can automatically adjust the refrigerant flow rate according to changes in the refrigeration system load. When the refrigeration system load increases, the pressure inside evaporator 50 decreases, the pressure difference across capillary tube 90 increases, and the refrigerant flow rate increases accordingly, thereby meeting the refrigerant demand of evaporator 50. Conversely, when the refrigeration system load decreases, the pressure difference across capillary tube 90 decreases, and the refrigerant flow rate decreases.

[0034] The above description merely illustrates the preferred technical solution of this utility model, and while the description is relatively specific and detailed, it should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and this utility model also intends to include these modifications and variations.

Claims

1. A dehumidifier with filter screen cleaning structure, characterized in that, The device includes a housing, a through-type air guide hood mounted on the housing, a fan mounted inside the air guide hood, a dehumidification assembly mounted inside the housing opposite to the air guide hood, a first filter screen mounted between the fan and the dehumidification assembly, and a cleaning device mounted between the first filter screen and the fan; the air outlet of the fan is arranged towards the dehumidification assembly; the cleaning device includes a cleaning component mounted on the air guide hood for cleaning the first filter screen and a drive mechanism for driving the cleaning component to reciprocate on the surface of the first filter screen; The driving mechanism is a linear motor mounted on the air guide cover. The linear motor includes a lead screw, and one end of the cleaning component is threadedly connected to the lead screw.

2. The dehumidifier with a filter cleaning structure according to claim 1, characterized in that, The cleaning device also includes a guide post installed on the air guide cover, and the other end of the cleaning component is fitted inside the guide post.

3. The dehumidifier with a filter cleaning structure according to claim 2, characterized in that, The cleaning component is a cleaning roller, which includes a roller body and a cleaning section disposed on the outer surface of the roller body; the cleaning section abuts against the surface of the first filter screen.

4. The dehumidifier with a filter cleaning structure according to claim 1, characterized in that, The dehumidification assembly includes a condenser, a compressor, and an evaporator. The evaporator is disposed between the condenser and the fan, and a second filter is disposed between the condenser and the evaporator.

5. The dehumidifier with a filter cleaning structure according to claim 4, characterized in that, A heating assembly is provided on the second filter screen on the side opposite to the condenser, and the heating assembly is a heating wire installed on the second filter screen.

6. The dehumidifier with a filter cleaning structure according to claim 4, characterized in that, The evaporator includes an evaporating plate, a condensing pipe mounted on the evaporating plate, and evaporating fins mounted on the evaporating plate.

7. The dehumidifier with a filter cleaning structure according to claim 6, characterized in that, The condenser includes a condenser plate, an evaporation pipe mounted on the condenser plate, and condenser fins mounted on the condenser plate.

8. The dehumidifier with a filter cleaning structure according to claim 1, characterized in that, The first filter screen is enclosed and installed on the air guide cover; an air outlet channel is provided on the housing on the side opposite to the air guide cover.

9. The dehumidifier with a filter cleaning structure according to claim 1, characterized in that, The evaporator and the condenser are connected by a capillary tube.

10. The dehumidifier with a filter cleaning structure according to claim 1, characterized in that, The air guide shroud is a tubular structure that runs through both ends.

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