Drainage device and cooling fan including the same

Abstract

The present application relates to the technical field of air conditioning devices, and more specifically, to a drainage device for a cooling fan, and also to a cooling fan including the drainage device. The drainage device includes a drainage groove, a guide member, and a fixing member. The drainage groove includes a groove body and a slider arranged on the groove body, and a water outlet is provided at the bottom of the groove body; the guide member extends obliquely from the water outlet of the groove body in a direction away from the opening of the groove body, and a slideway is provided on the fixing member, and the sliding limit of the slider is located in the slideway. The cooling fan includes a rear shell, and the rear shell is recessed inward to form a wet curtain installation area for installing a wet curtain, and a drainage device is provided in the wet curtain installation area. The drainage device is installed behind the cooling fan. When the wet curtain is taken out, the drainage groove can slide out along the slideway to catch the water flowing down the top water tank. After the water in the drainage groove is gathered, it enters the guide plate from the water outlet to guide the water flow out, which can well avoid the safety hazards caused by the user's failure to install the wet curtain.

Description

Technical Field

[0001] The present application relates to the technical field of air conditioning devices, and in particular to a drainage device for a cooling fan, and also to a cooling fan including the drainage device. Background Art

[0002] As a new cooling method between fans and air conditioners, cold fans have become increasingly popular among consumers. At present, cold fans generally humidify the air through wet curtains and then suck it in and blow it out through fans. Wet curtains and fans are indispensable structures of cold fans. Wet curtains play the role of dispersing water flow. For cold fans with detachable wet curtains, the water pumped up by the water pump flows out from the water holes on the top of the cold fan. The water column flowing out of the water holes flows through the wet curtains, which can increase the contact area with the air, increase the evaporation amount, and make the water column form invisible water mist that is blown out from the air outlet with the wind.

[0003] When users remove the wet curtain and clean the machine body and the wet curtain, they often forget to install the wet curtain and turn on the water pump to use the humidification function. The water from the water flow hole will flow directly down, and the fan may suck in the flowing water and cause damage, which poses a safety hazard and seriously affects the quality and safety of the cooling fan and the user experience. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a drainage device for a cooling fan and a cooling fan including the drainage device, so as to prevent water droplets from being sucked into electrical equipment and reduce safety hazards when the wet curtain is forgotten to be installed.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present technical solution, the present technical solution provides a drainage device for a cooling fan.

[0006] The drainage device according to an embodiment of the present application includes:

[0007] The drainage trough comprises a trough body and a slider arranged on the trough body, and a water outlet is opened at the bottom of the trough body;

[0008] a flow guide member extending obliquely from the water outlet of the trough body in a direction away from the trough body opening; and

[0009] The fixing piece is provided with a slideway, and the sliding block is slidably limited in the slideway.

[0010] Furthermore, the trough body includes two guide plates and two side plates, the two guide plates are intersected to form a V-shaped groove, and the two side plates are respectively arranged at two ends of the V-shaped groove.

[0011] Furthermore, the slideway extends obliquely downward, the surface of the slider includes a plane section, the plane section is in contact with the inner surface of the slideway, and when the slider is restricted in the slideway, the opening direction of the groove body faces upward.

[0012] Furthermore, the surface of the sliding block also includes a curved surface segment, and the curved surface segment and the flat surface segment are in contact with the inner surfaces of both sides of the slideway respectively.

[0013] Furthermore, the guide member is in the shape of a plate, a groove or a tube.

[0014] Furthermore, the drainage device also includes a water receiving member, and when the sliding block slides to one end of the slideway, the water receiving member is located directly below the free end of the flow guide member.

[0015] In order to achieve the above-mentioned purpose, according to the second aspect of the present technical solution, the present technical solution also provides a cooling fan.

[0016] According to the cooling fan of the embodiment of the present application, it includes the drainage device provided by the first aspect of the present application.

[0017] Furthermore, the cold fan includes a rear shell, which is recessed inward to form a wet curtain installation area for installing a wet curtain, and the water flow hole of the cold fan water trough is located directly above the wet curtain installation area. The fixing part is located on the side of the wet curtain close to the cold fan outlet. When the cold fan is installed with the wet curtain, the drainage groove is pressed against the wet curtain. When the cold fan is not installed with the wet curtain, the drainage groove slides out along the slide so that the trough opening is opposite to the water flow hole.

[0018] Furthermore, in the case where the drainage device includes a water receiving member, a water retaining rib is further provided in the cooling fan, and the water retaining rib connects the water receiving member and a water tank provided at the bottom of the cooling fan.

[0019] Furthermore, the fixing member is an independent component fixed to the rear shell of the cooling fan, or the fixing member is integrally formed with the rear shell of the cooling fan.

[0020] The drainage device provided in the above technical solution is installed in the cold fan. When the wet curtain is taken out, the drainage trough can slide out along the slide to catch the water flowing down the top water trough. The water in the drainage trough is gathered and enters the guide piece from the water outlet to guide the water out, which can effectively avoid the safety hazards caused by the user's failure to install the wet curtain. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0022] Figure 1 A structural reference diagram of the drainage device provided in an embodiment of the present application is schematically provided;

[0023] Figure 2 The structural reference diagram of the drainage groove and the flow guide member provided in the embodiment of the present application is schematically shown;

[0024] Figure 3 for Figure 2 A partial enlarged view of part A;

[0025] Figure 4 A schematic diagram of the state of the drainage device provided in the embodiment of the present application when the cooling fan is equipped with a wet curtain is shown;

[0026] Figure 5 for Figure 4 A partial enlarged view of part B;

[0027] Figure 6 A reference diagram of the state of the drainage device provided in the embodiment of the present application when the cooling fan is not equipped with a wet curtain is schematically provided;

[0028] Figure 7 for Figure 6 A partial enlarged view of part C in the middle;

[0029] Figure 8 A structural reference diagram of a cooling fan provided in an embodiment of the present application is schematically provided; and

[0030] Fig. 9 for Figure 8 A partial enlarged view of part D.

[0031] In the figure:

[0032] 1. Drainage trough; 101. Sliding block; 1011. Plane section; 1012. Curved section; 102. Water outlet; 103. Drainage plate; 104. Side plate; 2. Flow guide; 3. Fixing member; 301. Slideway; 4. Water receiving member; 5. Back shell; 6. Wet curtain; 7. Water trough; 701. Water flow hole; 8. Water tank; 9. Back cover; 10. Water retaining rib plate. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0034] It should be noted that the terms "including" and "having" and any variations thereof in the specification and claims of the present application and the above-mentioned drawings are intended to cover non-exclusive inclusions. For example, a system, product or device comprising a series of units is not necessarily limited to those units explicitly listed, but may include units that are not explicitly listed or inherent to these products or devices.

[0035] In this application, the directions or positional relationships indicated by the terms "upper", "lower", "inner", "middle", "outer", etc. are based on the directions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction.

[0036] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0037] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0039] During the operation of the evaporative cooling fan, the water pumped up by the water pump flows out from the water outlet on the top of the cooling fan. The water column flowing out of the water outlet flows through the wet curtain, which can increase the contact area with the air and increase the evaporation amount, so that the water column forms a water mist that is invisible to the naked eye and is blown out from the air outlet with the wind. After the user removes the wet curtain and cleans the machine body and the wet curtain, it is easy to forget to install the wet curtain. At this time, when the cooling fan is turned on to use the humidification function, the water flowing down from the water hole will flow directly down, and the fan may inhale the flowing water and cause damage, posing a safety hazard. In addition, the water drops that flow directly into the water tank below will create a certain amount of noise, which seriously affects the quality and safety of the cooling fan and the user experience. In order to solve this problem, the embodiments of the present application provide the following: Figure 1 A drainage device is shown, which is used to be installed on a cooling fan with a detachable wet curtain structure, such as an evaporative cooling fan. The drainage device shown in the figure includes a drainage groove 1, a guide member 2 and a fixing member 3, wherein the drainage groove 1 includes a groove body and a slider 101 arranged on the groove body, a water outlet 102 is provided at the bottom of the groove body, the guide member 2 extends obliquely from the water outlet 102 of the groove body to the direction away from the groove body opening, a slide 301 is provided on the fixing member 3, and the slider 101 is limited in the slide 301. The drainage device is used to be installed in the cooling fan, when the wet curtain in the cooling fan is taken out, the drainage groove 1 can be slid out along the slide 301, so that the opening of the groove body is located directly below the water flow hole of the top water tank of the cooling fan, at this time, the groove body can receive the water flowing down from the top water tank, and the water flow in the drainage groove 1 is gathered and enters the guide member 2 from the water outlet 102, and the guide member 2 guides the water flow out, which can well avoid the safety hazards caused by the user's failure to install the wet curtain. When the wet curtain in the cooling fan needs to be installed, the drainage groove 1 can be slid in the opposite direction along the slide 301 so that the drainage groove 1 avoids the installation area of ​​the wet curtain, and then the wet curtain is installed. At this time, the water from the top trough flows down and falls on the wet curtain, and the cooling fan can work normally.

[0040] As an optional implementation, Figure 2 and 3 As shown, the trough body includes two drainage plates 103 and two side plates 104. The two drainage plates 103 are intersected to form a V-shaped groove, and the two side plates 104 are respectively arranged at the two ends of the V-shaped groove. The two drainage plates 103 are intersected to form a V-shaped groove so that when the notch faces the water flow hole, the two surfaces in the trough body are inclined relative to the direction of water droplets falling. When water flows from the water flow hole of the top trough to the drainage plate 103, the inclined surface can reduce the splashing of water flow and the noise generated; the two side plates 104 are used to close the two ends of the V-shaped groove, so that the trough body becomes a container that can hold liquid. Preferably, the two drainage plates 103 are arranged in a long strip shape. Since the water flow holes are usually arranged in a plurality at the bottom of the trough along the width direction of the cooling fan, such a setting can adapt to the layout of the water flow holes, and the water flow from all the water flow holes can be received and drained through the drainage trough 1.

[0041] As an optional implementation, Figure 1 As shown, the slide 301 extends obliquely downward, and the surface of the slider 101 includes a plane section 1011, and the plane section 1011 contacts the inner surface of the slide 301. When the slider 101 is limited in the slide 301, the opening direction of the trough body faces upward. The setting mode of the slider 301 extending obliquely downward can make the drainage trough 1 slide down along the slide rail under the action of its own gravity. The plane section 1011 on the surface of the slider 101 can play a role of rotation constraint, so that the slider 101 will not rotate during the sliding process along the slide 301. In this way, the slider 101 can make the drainage trough 1 move along the slide 301 on the fixing member 3 while maintaining a fixed angle, that is, the opening of the trough body is always set upward, so as to ensure that the drainage trough 1 can catch the circulating water flowing down from the top water tank when it moves to the bottom of the slide 301.

[0042] A specific installation and use environment of the drainage device is as follows Figure 4-7 As shown, Figure 4 and Figure 5 This is a reference diagram of the state of the drainage device when the wet curtain is installed on the cooling fan. Figure 6 and Figure 7 This is a reference diagram of the drainage device when the cooling fan is not equipped with a wet curtain.

[0043] like Figure 4 and 5 As shown, the rear shell 5 of the cooling fan is recessed inward to form a wet curtain installation area for installing the wet curtain 6. The cooling fan has a water trough 7 arranged at the top and a water tank 8 arranged at the bottom. A water pump is installed on the water tank 8. The water pump can pump water to the water trough 7 at the top, and the water flows to the wet curtain 6 through the water flow hole 701 at the bottom of the water trough 7. When the cooling fan is installed with the wet curtain 6, the drainage groove 1 will press against the wet curtain 6, and the slider 101 is located at the upper position of the slide 301. The guide device will not interfere with the normal function of the wet curtain. When the wet curtain 6 is removed from the cooling fan, the drainage groove 1 will slide out along the slide 301 due to its own gravity. After the slider 101 slides to the bottom of the slide 301, the groove body is just below the water flow hole 701, and its state is as shown in FIG. Figure 6 and 7 As shown, the drainage groove 1 can be used to receive the water flowing out of the water flow hole 701. When the wet curtain 6 needs to be installed, the wet curtain 6 will push the drainage groove 1 back along the slide 301 during the installation process. Figure 4 and Figure 5 Specifically, the length and inclination angle of the slideway 301, the weight of the drainage groove, and the material of each material are adjusted accordingly according to the specific use environment to achieve the above functions, and those skilled in the art can set them by themselves.

[0044] like Figure 3As shown, the surface of the slider 101 also includes a curved segment 1012. The curved segment 1012 and the flat segment 1011 are in contact with the inner surfaces on both sides of the slideway 301 respectively. The curved segment 1012 can reduce the contact area between the slider 101 and the slideway 301, thereby reducing the friction resistance during the sliding process, making the drainage groove 1 slide more flexibly.

[0045] In the above embodiment, the function of the guide member 2 is to guide the circulating water collected in the drainage groove 1 out. The shape and form of the guide member 2 are not specifically limited, including but not limited to strip, plate, groove or tube. Figure 3 As shown, the guide member 2 includes a flat plate, on which two parallel vertical plates are formed, and the flat plate and the vertical plates form a groove structure connected to the water outlet 102. The length of the guide member 2 and the angle between the guide member 2 and the guide plate 103 can be designed accordingly according to the specific use environment. The guide member 2 can directly guide the water flow to the rear shell of the cooling fan, so that the water flow directly flows through the rear shell to the water tank at the bottom. If the space does not allow the guide member 2 to directly guide the water flow, other structures can be used for transition, such as Figure 4-7 As shown, the drainage device also includes a water receiving member 4. When the slider 101 slides to one end of the slideway 301, the water receiving member 4 is located directly below the free end of the flow guide member 2, that is, the water flow on the flow guide member 2 can be diverted away through the water receiving member 4 as a transition. Similarly, the shape and form of the water receiving member 4 are not specifically limited, including but not limited to strip, disc, plate, groove or tube. The length and installation angle of the flow guide member 2 can be designed accordingly according to the specific use environment. The water flow can be directly guided to the rear shell of the cooling fan through the water receiving member 4, so that the water flow directly flows through the rear shell to the water tank at the bottom, and the water receiving member 4 can also be directly extended into the water tank.

[0046] It should be noted that other structures and operations of the drainage device of the present application are known to ordinary technicians in the field, and can refer to the structure of related devices in the prior art, and will not be described in detail here.

[0047] The present application also provides a cooling fan, which includes the drainage device provided in the above embodiment of the present application. Figure 4-9As shown, the cooling fan includes a rear shell 5, which is inwardly recessed to form a wet curtain installation area for installing a wet curtain 6. The water flow hole 701 of the water tank 7 of the cooling fan is located directly above the wet curtain installation area. The fixing member 3 is located on the side of the wet curtain 6 close to the air outlet of the cooling fan. When the cooling fan is installed with the wet curtain 6, the drainage groove 1 is pressed against the wet curtain 6. When the cooling fan is not installed with the wet curtain 6, the drainage groove 1 slides out along the slide 301 so that the opening of the groove body faces the water flow hole 701. After the wet curtain of the cooling fan is taken out, the drainage groove 1 slides out along the slide 301 to catch the water flowing down from the top water tank 7. After the water flow in the drainage groove 1 is gathered, it enters the guide member 2 through the water outlet 102 to guide the water flow out, which can well avoid the safety hazards caused by the user's failure to install the wet curtain.

[0048] like Figure 8 and 9 As shown, the drainage device includes a water receiving member 4, and a water retaining rib 10 is also provided in the cooling fan. The water retaining rib 10 connects the water receiving member 4 and the water tank 8 provided at the bottom of the cooling fan. The connection here should be understood as guiding the water flow on the water receiving member 4 to the water tank 8 through the water retaining rib, and it is not necessary for the water retaining rib 10 to be physically connected with the two. Fig. 9 As shown, the water receiving member 4 and the flow guide member 2 are in a non-contact manner. The water receiving member 4 is located directly below the flow guide member 2 and can receive the water flowing down from the flow guide member 2. As shown in the figure, there is a horizontal gap between the water receiving member 4 and the water retaining rib 10. During use, water will flow out from the end of the water receiving member 4, and due to a certain speed, it will flow to the water retaining rib 10 in the form of a horizontal curve.

[0049] In the embodiment of the present application, the fixing member 3 can be an independent component fixed to the rear shell 5 of the cooling fan, or the fixing member 3 can be integrally formed on the rear shell 5 of the cooling fan. Similarly, the water receiving member 4 and the water retaining rib 10 can be independent components fixed to the rear shell 5 of the cooling fan, or they can be integrally formed on the rear shell 5 of the cooling fan. As shown in the figure, a rear cover 9 is detachably provided on the rear shell 5 to close the wet curtain installation area, and the wet curtain 6 is installed between the rear shell 5 and the rear cover 6.

[0050] Since the cooling fan disclosed in the embodiment of the present application includes the drainage device provided in the above embodiment, the cooling fan with the drainage device also has all the above technical effects, which will not be described one by one here. Other structures and operations of the cooling fan are known to ordinary technicians in the field and will not be described in detail here.

[0051] Some embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referenced to each other.

[0052] The foregoing is merely a specific embodiment of the present invention, which enables those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A drainage device, which is used for a cooling fan, wherein the cooling fan has a wet curtain installation area for installing a wet curtain, characterized in that: The drainage device comprises: A drainage trough (1) comprises a trough body and a sliding block (101) arranged on the trough body, wherein a water outlet (102) is provided at the bottom of the trough body; A flow guide (2) extending obliquely from the water outlet (102) of the trough body in a direction away from the trough body opening; and A fixing member (3) having a slideway (301) formed thereon, wherein the sliding block (101) is slidably limited in the slideway (301); When the wet curtain in the cooling fan is taken out, the drainage groove (1) slides out along the slide (301), so that the opening of the groove body is located directly below the water flow hole of the water tank at the top of the cooling fan. When the wet curtain in the cooling fan needs to be installed, the drainage groove (1) is pressed against the wet curtain, and the wet curtain pushes the drainage groove (1) to slide in the opposite direction along the slide (301), so that the drainage groove (1) avoids the wet curtain installation area.

2. The drainage device according to claim 1, characterized in that: The trough body comprises two guide plates (103) and two side plates (104); the two guide plates (103) are arranged to intersect to form a V-shaped groove; and the two side plates (104) are respectively arranged at two ends of the V-shaped groove.

3. The drainage device according to claim 2, characterized in that: The slideway (301) extends obliquely downward, the surface of the slider (101) comprises a plane section (1011), the plane section (1011) contacts the inner surface of the slideway (301), and when the slider (101) is located in the slideway (301), the opening direction of the groove body faces upward.

4. The drainage device according to claim 3, characterized in that: The surface of the sliding block (101) further comprises a curved surface segment (1012), and the curved surface segment (1012) and the flat surface segment (1011) are respectively in contact with the inner surfaces of both sides of the slideway (301).

5. The drainage device according to claim 1, characterized in that: The flow guide (2) is in the shape of a plate, a groove or a tube.

6. The drainage device according to claim 1, characterized in that: It also comprises a water receiving member (4), and when the sliding block (101) slides to one end of the slideway (301), the water receiving member (4) is located directly below the free end of the flow guide member (2).

7. A cooling fan, characterized in that: A drainage device comprising any one of claims 1 to 5.

8. The cooling fan according to claim 7, characterized in that: The invention comprises a rear shell (5), wherein the rear shell (5) is recessed inwardly to form a wet curtain installation area for installing a wet curtain (6), the water flow hole (701) of the cold fan water tank (7) is located directly above the wet curtain installation area, and the fixing member (3) is located on a side of the wet curtain (6) close to the cold fan air outlet. When the cold fan is installed with the wet curtain (6), the drainage groove (1) is pressed against the wet curtain (6); when the cold fan is not installed with the wet curtain (6), the drainage groove (1) slides out along the slideway (301) so that the groove body opening is directly opposite to the water flow hole (701).

9. The cooling fan according to claim 8, characterized in that: The drainage device further comprises a water receiving member (4); when the slider (101) slides to one end of the slideway (301), the water receiving member (4) is located directly below the free end of the flow guide member (2); a water retaining rib (10) is further provided in the cooling fan; the water retaining rib (10) is connected to the water receiving member (4) and a water tank (8) provided at the bottom of the cooling fan.

10. The cooling fan according to claim 7, characterized in that: The fixing member (3) is an independent component fixed to the rear shell (5) of the cooling fan, or the fixing member (3) is integrally formed with the rear shell (5) of the cooling fan.

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