Adsorption type portable fan

Abstract

The utility model relates to an adsorption type portable fan which is used for being attached to the back face, away from a display surface, of electronic display equipment and comprises a shell and an airflow traction assembly arranged in the shell. The shell is provided with an attachment surface, a first air inlet and an air outlet, and an air guide channel is formed between the first air inlet and the air outlet; the surface where the air outlet is located deviates towards the display surface of the electronic display equipment relative to the attachment surface. The attachment surface is used for attaching and adsorbing the back surface of the electronic display equipment, so that the fan is combined with the electronic display equipment. The airflow traction assembly is used for leading in external airflow from the first air inlet and discharging the external airflow from the air outlet along the air guide channel. The air guide channel is formed in the edge of the fan, it is guaranteed that air blowing does not affect a displayed picture, and the shell body is light and thin and convenient to hold.

Description

Technical Field

[0001] This application relates to the field of handheld fan technology, and in particular to an adsorption-type portable fan. Background Technology

[0002] With the increasing popularity of small portable fans, handheld fans have become a common product. At the same time, checking electronic displays has become a frequent activity when going out. However, carrying a fan by hand is not convenient for users, as they do not have a free hand to check electronic displays or carry other items while carrying a fan. Utility Model Content

[0003] Therefore, it is necessary to provide an adsorption-type portable fan to address the problem of inconvenient fan carrying.

[0004] An adsorption-type portable fan for attaching to the back of an electronic display device away from the display surface includes: a housing having an attachment surface for adsorbing the electronic display device and a first air inlet and an air outlet, and forming an air guide channel between the first air inlet and the air outlet; the surface of the air outlet is offset relative to the attachment surface toward the display surface of the electronic display device.

[0005] An airflow traction component is disposed within the housing and is used to introduce external airflow from the first air inlet and discharge it from the air outlet along the air guide channel.

[0006] In one embodiment, the housing is provided with a magnetic block, and an adsorption area is provided on the attachment surface. The adsorption area has a groove, and the magnetic block is embedded in the groove.

[0007] In one embodiment, the number of magnetic blocks is at least three.

[0008] In one embodiment, the housing further includes a second air inlet, with the first air inlet located on the attachment surface and the second air inlet located on the outer shell surface opposite to the attachment surface.

[0009] In one embodiment, the first air inlet protrudes from the attachment surface, forming a height difference H, wherein the value of the height difference H is within the range of 0.8mm≤H≤1.2mm.

[0010] In one embodiment, a protective plate is provided on the outer surface of the outer casing. The protective plate is located outside the second air inlet and there is a gap between the protective plate and the second air inlet.

[0011] In one embodiment, the housing has a reference surface, the attachment surface of the housing is parallel to the reference surface, and the angle Q between the surface where the air outlet is located and the reference surface satisfies 45°≤Q≤120°.

[0012] In one embodiment, an air guide plate is provided in the air guide channel. The air guide plate includes a fixed frame, at least two blades fixed to one side of the fixed frame, and a flow guide connecting the at least two blades. The flow guide is located in the opening of the fixed frame and forms a gap with the opening of the fixed frame.

[0013] In one embodiment, the surface of the attachment surface is provided with a suction cup.

[0014] In one embodiment, the airflow traction component is configured as a centrifugal fan; and / or,

[0015] A recessed mounting surface is provided at the connection point between the air guide channel and the attachment surface; and / or,

[0016] A gripping arc surface is provided at the junction of the attachment surface and the outer shell surface.

[0017] An adsorption-type portable fan is disclosed for attachment to the back side of an electronic display device, away from the display surface. The fan includes a housing and an airflow traction component disposed within the housing. The housing has an attachment surface, a first air inlet, and an air outlet, forming an airflow channel between the air inlet and outlet. The surface of the air outlet is offset relative to the attachment surface towards the display surface of the electronic display device. The attachment surface is used to adhere to and adsorb the back side of the electronic display device, thus integrating the fan with the device. The airflow traction component draws in external airflow from the first air inlet and discharges it from the air outlet along the airflow channel. Positioning the airflow channel at the edge of the fan ensures that airflow does not obstruct the displayed image, and the thin and lightweight design of the housing facilitates easy handling. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the adsorption-type portable fan provided in the embodiments of this application.

[0019] Figure 2 This is a schematic diagram of the structure of the adsorption-type portable fan provided in an embodiment of this application from another perspective.

[0020] Figure 3 This is a schematic diagram of the internal structure of the adsorption-type portable fan provided in the embodiment of this application after the housing attachment surface has been removed.

[0021] Figure 4 for Figure 1 Side view.

[0022] Icon labels:

[0023] 1-Shell, 2-Airflow traction component, 3-Attachment surface, 3.1-Adsorption area, 3.2-First air inlet, 4-Outer shell surface, 4.1-Second air inlet, 5-Air guide channel, 5.1-Air outlet, 5.2-Air guide plate, 5.3-Flow guide component, 6-Magnetic block, 7-Grip arc surface, 8-Assembly concave surface, 9-Protective plate. Detailed Implementation

[0024] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0025] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application.

[0026] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0027] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0028] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0029] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0030] See Figures 1-4 As shown, including Figure 1 This is a schematic diagram of the structure of the adsorption-type portable fan provided in the embodiments of this application. Figure 2 This is a schematic diagram of the structure of the adsorption-type portable fan provided in the embodiment of this application from another perspective. Figure 3 This is a schematic diagram of the internal structure of the attachment surface 3 of the housing 1 of the adsorption-type portable fan provided in this application embodiment after disassembly. Figure 4 for Figure 1 The side view includes an adsorption-type portable fan for attaching to the back of an electronic display device that is opposite to the display surface. The electronic display device can be a mobile phone or any portable electronic display product with display function, such as a tablet computer, smart bracelet, or laptop computer. This application does not impose any special limitations on this.

[0031] The aforementioned adsorption-type portable fan includes: a housing 1 and an airflow traction component 2 disposed inside the housing 1. The housing 1 includes an attachment surface 3 for adsorbing the electronic device. The housing 1 also includes a first air inlet 3.2 and an air outlet, forming an air guide channel 5 between the first air inlet 3.2 and the air outlet. The surface of the air outlet 5.1 is offset relative to the attachment surface 3 towards the display surface of the electronic device. This ensures that the airflow direction of the air outlet 5.1 on the housing 1 is on the same side as the display direction of the electronic device.

[0032] The aforementioned adsorption area 3.1 is used to adhere to and adsorb the back of the aforementioned electronic display device, thereby combining the fan with the electronic display device.

[0033] In one embodiment of this application, an electronic display device is placed on the attachment surface 3 of the housing 1. The magnetic force of the adsorption area 3.1 will position the electronic display device. The first air inlet 3.2 is positioned close to the adsorption area 3.1, so that after the electronic display device is adsorbed and positioned, the first air inlet 3.2 faces the back of the electronic display device. When the fan is turned on, the airflow traction component 2 starts to operate. The first air inlet 3.2 and the second air inlet 4.1 begin to supply air to the airflow traction component 2. The airflow generated by the airflow traction component 2 is discharged from the air outlet 5.1. At this time, the air outlet 5.1, which is bent relative to the attachment surface 3.1, will blow the generated heat-dissipating air towards the user facing the electronic display device, achieving a cooling effect. At the same time, since the fan is often used in a high-temperature environment, the electronic display device is also prone to overheating in such an environment. After the fan is turned on, the first air inlet 3.2 will draw in air from the back of the electronic display device, thereby achieving heat dissipation from the back of the electronic display device.

[0034] It is foreseeable that the above-mentioned airflow traction component 2 is used to realize the intake of gas and direct the generated airflow from the air outlet 5.1. The structure of placing the airflow traction component 2 inside the housing 1 can avoid the trouble caused by the rotation of the fan blades to the outside. The specific structure of the airflow traction component 2 can be adapted to actual needs. The electrical connection and conduction structure between the fan structure 2 and the inside of the housing 1 is not the focus of this article. It is sufficient to refer to the existing technology for setting.

[0035] This application places the air guide channel 5 at the edge of the fan, ensuring airflow while preventing the air outlet 5.1 from affecting the display screen of the display device. Furthermore, the separate placement of the air guide channel 5 ensures the thinness and lightness of the housing 1, allowing it to be attached to the back of the electronic device without affecting its grip.

[0036] In one embodiment of this application, a magnetic block 6 is provided inside the housing 1, and an adsorption area 3.1 is provided on the attachment surface 3. A groove is formed in the adsorption area 3.1, and the magnetic block 6 is embedded in the corresponding groove.

[0037] The aforementioned housing 1 contains at least three magnetic blocks 6, which are disposed on the inner wall of the adsorption area 3.1. The magnetic force of the magnetic blocks 6 penetrates the attachment surface 3 to adsorb the electronic display device. The at least three magnetic blocks 6 can achieve three-point positioning adsorption of the electronic display device. Furthermore, to achieve stable adsorption, in one embodiment of this application, the magnetic blocks 6 can be configured as continuous semi-circular arcs that adhere to the inner wall of the adsorption area 3.1, with the opening of the semi-circular arc facing away from the air guide channel 5, facilitating the electronic display device to slide into the adsorption area 3.1 from the end of the housing 1 away from the air guide channel 5. Of course, the configuration of the magnetic blocks 6 is not limited to the above, and will not be elaborated upon here.

[0038] In one embodiment of this application, the housing 1 is provided with a second air inlet 4.1 and an outer shell surface 4 disposed opposite to the aforementioned attachment surface 3. A first air inlet 3.2 is disposed on the attachment surface 3.1, and a second air inlet 4.1 is disposed on the outer shell surface 4. The first air inlet 3.2 and the second air inlet 4.1 draw air from both sides of the housing 1 to the airflow traction assembly 2.

[0039] The first air inlet 3.2 and the second air inlet 4.1 are symmetrically arranged on both sides of the airflow traction component 2. The first air inlet 3.2 and the second air inlet 4.1 can correspondingly ensure airflow at the airflow traction component 2, and ensure the normal operation of ventilation and heat dissipation of electronic display equipment.

[0040] The specific shapes of the first air inlet 3.2 and the second air inlet 4.1 can be changed according to actual needs. In one embodiment of this application, the first air inlet 3.2 and the second air inlet 4.1 are both opened as strip-shaped openings, which can ensure ventilation while preventing external debris from entering the housing 1 and damaging the fan.

[0041] In one embodiment of this application, the first air inlet 3.2 protrudes from the attachment surface 3.1, forming a height difference H between the two, and the height difference H is within the range of 0.8mm≤H≤1.2mm.

[0042] In one embodiment of this application, the aforementioned airflow traction component 2 is configured as a centrifugal fan. The centrifugal fan adaptably directs the gas introduced from the first air inlet 3.2 and the second air inlet 4.1 from the side to the air outlet 5.1 of the air guide channel 5, thereby enabling the air outlet 5.1 to be configured as an edge-mounted, hidden air outlet that does not obstruct the view of the electronic display device. Simultaneously, the centrifugal fan is easy to maintain, provides good ventilation, and has a robust structure, making it suitable for guiding airflow within the confined space of the housing 1. Ultimately, this achieves a lightweight and simplified overall fan design.

[0043] In one embodiment of this application, a protective plate 9 is provided on the outer shell surface 4. The protective plate 9 is located outside the second air inlet 4.1. The protective plate 9 is mainly to prevent solid materials, such as sand and gravel, from entering the airflow traction component 2 through the second air inlet 4.1 and causing damage. To ensure the air intake function of the second air inlet 4.1, there is a gap between the protective plate 9 and the second air inlet 4.1, for example, by using a support leg to separate the protective plate 9 from the second air inlet 4.1. Gas can flow in from the side through the gap, while solid materials from the side are not easily able to enter. At the same time, the protective plate 9 can prevent the second air inlet 4.1 located on the outer shell surface 4 from direct contact with human hands, thus avoiding problems such as air vent blockage. Furthermore, the protective plate 9 can have some small ventilation holes to a certain extent. The ventilation holes can meet the air circulation, but still ensure that most solid materials cannot enter the second air inlet 4.1.

[0044] It is foreseeable that the overall area of ​​the protective plate 9 needs to be larger than the opening area of ​​the second air inlet 4.1, so as to ensure that no debris will enter.

[0045] In one embodiment of this application, a reference surface X is provided inside the housing 1, the attachment surface 3 of the housing 1 is parallel to the reference surface X, the reference surface X is the assembly reference surface of the attachment surface 3 and the outer shell surface 4 of the housing 1, and the center of gravity of the housing 1 falls within the reference surface X.

[0046] An angle Q is provided between the surface of the aforementioned air outlet 5.1 and the aforementioned reference plane X, and the included angle Q satisfies 45°≤Q≤120°.

[0047] The orientation A of the surface where the air outlet 5.1 is located is the air outlet direction of the fan. The air outlet direction refers to the direction in which the user of the electronic device is cooled. Ensure that the air outlet 5.1 is bent to a certain extent relative to the housing 1 towards the attachment surface 3.

[0048] Furthermore, the air guide channel 5 is detachable from the housing 1, and the end where the housing 1 and the air guide channel 5 are assembled is designed with a universal design. By replacing the air guide channel 5 with different degrees of curvature, the air outlet angle of the fan can be changed.

[0049] The setting of the reference plane X is only used to represent the relative curvature relationship between the housing 1 and the surface where the air outlet 5.1 is located. The selection of the reference plane X itself does not affect the design of the housing 1.

[0050] The bending angle Q ranges from 45° to 120°. Within this angle range, air outlets 5.1 with different bending degrees are produced according to actual needs to adapt to various usage scenarios.

[0051] In one embodiment of this application, the airflow traction component 2 can be configured as a centrifugal fan, and it is foreseeable that it is also applicable to equipment of the same type as a centrifugal fan.

[0052] Optionally, a gripping arc surface 7 is provided at the connection position between the aforementioned attachment surface 3 and the aforementioned outer shell surface 4, making it easier for the user to grip the fan. After assembly with the electronic display device, sufficient suction force can keep the electronic display device in place and prevent it from detaching from the attachment surface 3. Subsequently, the user only needs to grip the fan to carry the electronic display device at the same time. Similarly, arc surface structures can be correspondingly provided on the surface of the outer shell surface 4 and at the corners of the shell 1, thereby improving the gripping comfort of the shell 1.

[0053] Optionally, a mounting recess 8 is provided at the connection position between the aforementioned air guide channel 5 and the aforementioned attachment surface 3. In actual use, the electronic display device can be guided into the attachment surface 3 from a position on the housing 1 where the air guide channel 5 is not provided, until the end of the electronic display device abuts against the mounting recess 8, thereby preventing the electronic display device from blocking the air outlet 5.1. At the same time, the mounting recess 8 can also block and limit the mounted electronic display device, preventing the electronic display device from detaching from the attachment surface 3 from one side. The specific opening position and opening shape of the mounting recess 8 can be changed according to actual needs, which will not be elaborated here.

[0054] In one embodiment of this application, an air guide plate 5.2 is provided within the aforementioned air guide channel 5. The air guide plate 5.2 can configure the air guide channel 5 into an integrated air guide structure. The air guide plate 5.2 includes a fixed frame, at least two blades fixed on one side of the fixed frame, and a flow guide 5.3 connected to the at least two blades. The flow guide 5.3 is located within the opening of the fixed frame and forms a gap with the opening of the fixed frame. Uniform airflow from the air outlet 5.1 can be achieved by evenly setting the position of the blades.

[0055] The air guide plate 5.2 and the air guide component 5.3 concentrate the airflow generated by the airflow traction component 2 to the air outlet 5.1 and blow it out. The specific structure of the air guide plate 5.2 and its cooperation with the airflow traction component 2 can be referred to the existing technology, and will not be described in detail here.

[0056] In one embodiment of this application, a suction cup is provided on the surface of the aforementioned attachment surface 3. The suction cup can directly adhere to the back of the electronic display device, which is suitable for situations where electronic display devices are difficult to be directly adhered to by magnetic force, such as when the electronic display device is equipped with an insulating protective case. It is foreseeable that the suction cup can be used alone or in conjunction with the magnetic adsorption function, and the specific method can be modified according to actual needs.

[0057] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0058] The above embodiments are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An adsorption-type portable fan for attaching to the back side of an electronic display device opposite to the display surface, characterized in that, include: The housing has an attachment surface for adsorbing the electronic display device, a first air inlet, and an air outlet, and forms an air guide channel between the first air inlet and the air outlet; the surface where the air outlet is located is offset relative to the attachment surface toward the display surface of the electronic display device; An airflow traction component is disposed within the housing and is used to introduce external airflow from the first air inlet and discharge it from the air outlet along the air guide channel; The housing also includes a second air inlet, the first air inlet is located on the attachment surface, and the second air inlet is located on the outer shell surface opposite to the attachment surface.

2. The adsorption-type portable fan according to claim 1, characterized in that, The housing is provided with a magnetic block, and the attachment surface is provided with an adsorption area. The adsorption area has a groove, and the magnetic block is embedded in the groove.

3. The adsorption-type portable fan according to claim 2, characterized in that, The number of magnetic blocks is at least three.

4. The adsorption-type portable fan according to claim 1, characterized in that, The first air inlet protrudes from the attachment surface, forming a height difference H, wherein the value of the height difference H is within the range of 0.8mm≤H≤1.2mm.

5. The adsorption-type portable fan according to claim 1, characterized in that, A protective plate is provided on the outer surface of the outer shell. The protective plate is located outside the second air inlet and there is a gap between the protective plate and the second air inlet.

6. The adsorption-type portable fan according to claim 1, characterized in that, The housing has a reference surface, the attachment surface of the housing is parallel to the reference surface, and the angle Q between the surface where the air outlet is located and the reference surface satisfies 45°≤Q≤120°.

7. The adsorption-type portable fan according to claim 1, characterized in that, An air guide plate is provided inside the air guide channel. The air guide plate includes a fixed frame, at least two blades fixed to one side of the fixed frame, and a flow guide connecting the at least two blades. The flow guide is located inside the opening of the fixed frame and forms a gap with the opening of the fixed frame.

8. The adsorption-type portable fan according to claim 1, characterized in that, The surface of the attachment surface is provided with a suction cup.

9. The adsorption-type portable fan according to claim 1, characterized in that, The airflow traction assembly is configured as a centrifugal fan; and / or The connection point between the air guide channel and the attachment surface is provided with an assembly concave surface; and / or... A gripping arc surface is provided at the connection position between the attachment surface and the outer shell surface.

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