A hand fan with dynamic display device

Abstract

The utility model discloses a handheld fan with dynamic display device, and the handheld fan comprises a blowing part and a holding part, the holding part is located at the side wall surface of the direction of the air inlet and is defined as a front wall surface, the wall surfaces on the left and right sides of the front wall surface are defined as a left wall surface and a right wall surface respectively, a display device is arranged in the holding part, the display device comprises a display interface, the display interface is arranged on at least one side wall surface among the front wall surface, the left wall surface and the right wall surface, the utility model loads the dynamic display device on the product by the idle area of the holding part, and the product is additionally given advertising value or entertainment value through the dynamic display device, in addition, the refrigeration conducting element is arranged at the outer surface of the holding part, the refrigeration conducting element can realize the refrigeration effect after the action of the refrigeration device, the palm cooling effect of the fan can be improved through the palm cooling of the consumer in the holding use process, the use experience of the handheld fan is improved, and the competitiveness of the product in the same field market is improved.

Description

Technical Field

[0001] This utility model relates to the field of fan technology, specifically a handheld fan with a dynamic display device. Background Technology

[0002] Fans are common household appliances used to cool people down in hot weather. Fans are widely used for cooling purposes due to their practical function, and therefore possess powerful cooling capabilities. Market demand.

[0003] A handheld fan is a small fan with a handle attached to the main body. It can be carried around by holding the handle, and its portability makes it popular among consumers.

[0004] However, with the widespread use of handheld fans, competition among similar products is becoming increasingly fierce. If a product does not have significant features and cost-effectiveness, it will be difficult to stand out in the market and gain market share. Therefore, how to optimize the features and cost-effectiveness of products is an urgent problem that market pioneers in this field need to solve. Utility Model Content

[0005] The purpose of this utility model is to provide a handheld fan with a dynamic display device. The dynamic display device is mounted on the unused area of ​​the grip, adding advertising or entertainment value to the product. Furthermore, a cooling conductor is provided on the outer surface of the grip. This conductor, through the cooling device, achieves a cooling effect. Consumers can enhance the cooling effect of the fan by cooling their palms while holding and using it, thus improving the user experience. This enhances the product's functionality and cost-effectiveness, increasing its competitiveness in the market and effectively addressing the shortcomings of existing technologies.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a handheld fan with a dynamic display device, comprising a fan body, the fan body including a blowing section and a grip section connected to the lower end of the blowing section, the blowing section including an air inlet and an air outlet, the side wall of the grip section located at the air inlet being defined as the front wall, the walls on the left and right sides of the front wall being defined as the left wall and the right wall, respectively, and a display device is provided inside the grip section, the display device including a display interface for displaying content outward, the display interface being disposed on at least one side of the front wall, the left wall and the right wall.

[0007] Preferably, the display interface is disposed on the front wall surface, and the display interface covers at least 50% of the surface area of ​​the front wall surface.

[0008] Preferably, the display interface is disposed on the left wall and / or the right wall, and the display interface covers at least 50% of the surface area of ​​the left wall and / or the right wall.

[0009] Preferably, the display device includes a dot matrix LED array disposed in the grip portion, a light-transmitting hole disposed on the grip portion housing, and a light-transmitting panel encapsulated outside the light-transmitting hole. The light-transmitting panel is the display interface. The LED array is electrically connected to a circuit board assembly disposed in the fan body. The light-transmitting hole is respectively disposed corresponding to the LEDs on the LED array. When the LEDs emit light, light can be emitted outward from the light-transmitting hole. A light shield is disposed around each LED in the circumference direction. The outer edge of the light shield is tightly connected to the edge of the light-transmitting hole.

[0010] Preferably, the blowing part is provided with an air passage, the grip part is provided with a receiving cavity, the fan body is provided with a cooling device, the cooling device includes a cooling output end and a heat dissipation end, the grip part is provided with a cooling conductive element, the cooling conductive element is at least partially exposed on the outer surface of the grip part and can be contacted by a person when holding it, the cooling output end of the cooling device is thermally connected to the cooling conductive element, the fan body is provided with a heat dissipation conductive element, the heat dissipation conductive element is provided to connect the air passage and the receiving cavity, one end of the heat dissipation conductive element is connected to the internal space of the air passage, and the other end is thermally connected to the heat dissipation end of the cooling device.

[0011] Preferably, the fan body includes a front fan housing and a rear fan housing that are connected to each other. The rear fan housing is the cooling conductor, which is a non-porous steel component or an aluminum alloy component. The cooling device is a semiconductor cooling chip.

[0012] Preferably, the blower section is provided with an air duct component, the air duct is formed within the air duct component, the air duct component is provided with a motor base, the motor base is mounted with a drive fan blade assembly, the blower section is provided with an air inlet and an air outlet, and the drive fan blade assembly guides the air located at the air inlet into the air duct and accelerates it outward from the air outlet.

[0013] Preferably, the motor base is coaxially arranged with the air duct, and the circumferential part of the motor base extends radially to form a cutting and pressurizing blade. The end of the cutting and pressurizing blade away from the motor base is connected to the inner wall of the air duct. The cutting and pressurizing blade is a curved sheet, and the virtual extension surface of the curved surface intersects with the central axis of the air duct.

[0014] Preferably, an air guide is provided at the air outlet, and an expansion cavity is coaxially provided on the inner side of the air guide. The circumferential part of the expansion cavity extends radially to form an air guide blade. The end of the air guide blade away from the expansion cavity is connected to the inner wall of the air guide. The air guide blade is a planar sheet material arranged parallel to the central axis of the air guide. A cavity cover is installed at the cavity opening of the expansion cavity.

[0015] Preferably, the gripping part is provided with a circuit board assembly and a battery. The battery is electrically connected to the circuit board assembly. The circuit board assembly is electrically connected with a control button and a USB interface. The control button and the USB interface are both located in a pre-set through hole in the gripping part housing and extend outward from the through hole.

[0016] Compared with the prior art, the beneficial effects of this utility model are: This invention utilizes the unused area of ​​the grip portion to load a dynamic display device onto the product, adding advertising or entertainment value. Additionally, a cooling conductor is provided on the outer surface of the grip portion. This conductor, through the action of a cooling device, achieves a cooling effect. Consumers can enhance the cooling effect of the fan by cooling their palms while holding and using the product, thus improving the user experience and enhancing the product's functionality and cost-effectiveness, thereby increasing its competitiveness in the market. Attached Figure Description

[0017] Figure 1 This utility model is a structural explosion Figure 1 ; Figure 2 This utility model is a structural explosion Figure 2 ; Figure 3 This utility model is a structural explosion Figure 3 ; Figure 4 This is a perspective view of the appearance of this utility model; Figure 5 This is a schematic diagram of the air duct component structure of this utility model.

[0018] In the diagram: 1. Air blowing section; 11. Cavity cover; 12. Air guide; 121. Expanded cavity; 122. Air guide blade; 13. Air duct component; 131. Motor base; 132. Air cutting and pressurizing blade; 14. Drive fan blade assembly; 15. Air inlet cover; 2. Handle; 21. Light-transmitting panel; 22. Fan front housing; 221. Air outlet; 222. Light-transmitting through hole; 23. Circuit board assembly; 231. LED beads; 232. Sunshade; 233. Control buttons; 234. USB interface; 24. Battery; 25. Heat dissipation component; 251. Heat dissipation ridge; 26. Bracket; 27. Semiconductor cooling chip; 28. Cooling component. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-5 A handheld fan with a dynamic display device includes a fan body, which includes a blowing section 1 and a grip section 2 connected to the lower end of the blowing section 1. The blowing section 1 has an airflow channel, and the grip section 2 has a receiving cavity. A cooling device is disposed within the fan body, including a cooling output end and a heat dissipation end. A cooling conductive element 28 is disposed on the grip section 2, at least partially exposed on the outer surface of the grip section 2 and accessible to a person when held. In this embodiment, the fan body includes a front fan shell 22 and a rear fan shell that are mutually capped and connected. The rear fan shell is the cooling conductive element 28, which is made of impermeable steel or aluminum alloy. The cooling device's cooling output end is thermally connected to the cooling conductive component 28. A heat dissipation conductive component 25 is disposed within the fan body, connecting the air duct and the accommodating cavity. One end of the heat dissipation conductive component 25 communicates with the internal space of the air duct, and the other end is thermally connected to the heat dissipation end of the cooling device. The end of the heat dissipation conductive component 25 connected to the air duct is circumferentially arranged around the inner wall of the air duct, and the side facing the air duct is formed by multiple evenly arranged heat dissipation protrusions 251. The heat dissipation conductive component 25 is preferably made of aluminum alloy. The heat dissipation protrusions 251 are designed to increase the heat dissipation surface area of ​​the heat dissipation conductive component 25 located within the air duct, thereby improving the heat dissipation effect. The cooling device is preferably a semiconductor cooling chip 27. A bracket 26 is disposed within the fan body, and the semiconductor cooling chip 27 is fixedly installed inside the fan body via the bracket 26.

[0021] The blower section 1 is provided with an air duct component 13, and the air duct is formed in the air duct component 13. The air duct component 13 is provided with a motor base 131, and a drive fan blade assembly 14 is installed on the motor base 131. The blower section 1 is provided with an air inlet 281 and an air outlet 221. An air inlet cover 15 is installed at the air inlet 281. The drive fan blade assembly 14 guides the air located at the air inlet 281 into the air duct and accelerates it to blow it out from the air outlet 221. The motor base 131 is coaxially arranged with the air duct. The circumferential part of the motor base 131 extends radially to form a cutting and pressurizing blade 132. The end of the cutting and pressurizing blade 132 away from the motor base 131 is connected to the inner wall of the air duct. The cutting and pressurizing blade 132 is a curved sheet. The virtual extension surface of the curved surface of the sheet intersects with the central axis of the air duct. When the drive fan blade assembly 14 is working, the air at the air inlet 281 is driven by the drive fan blade assembly 14 to form a high-speed airflow that blows toward the cutting and pressurizing blade 132 at a certain angle. The airflow is further pressurized and accelerated under the cutting and compression of the cutting and pressurizing blade 132, and then blown toward the air outlet 221.

[0022] An air guide 12 is provided at the air outlet 221. An expansion cavity 121 is coaxially provided on the inner side of the air guide 12. The circumferential part of the expansion cavity 121 extends radially to form an air guide blade 122. The end of the air guide blade 122 away from the expansion cavity 121 is connected to the inner wall of the air guide 12. The air guide blade 122 is a flat sheet material arranged parallel to the central axis of the air guide 12. When the airflow passes the air guide blade 122, it is guided by the air guide blade 122 to blow outward in a direction as parallel as possible to the central axis of the air outlet 221. A cavity cover 11 is installed at the opening of the expansion cavity 121. The expansion cavity 121 can be used to install a display screen or aromatherapy materials to enhance the function of the fan body.

[0023] The grip portion 2 is defined as the front wall surface on the side of the air inlet 281. The walls on the left and right sides of the front wall surface are defined as the left wall surface and the right wall surface, respectively. A display device is provided inside the grip portion 2. The display device includes a display interface for displaying content outward. The display interface is disposed on at least one of the front wall surface, left wall surface, and right wall surface. When the display interface is disposed on the front wall surface, the display interface covers at least 50% of the surface area of ​​the front wall surface. When the display interface is disposed on the left wall surface and / or the right wall surface, the display interface covers at least 50% of the surface area of ​​the left wall surface and / or the right wall surface. The large display interface area helps to improve the focusing effect of the display interface.

[0024] The grip portion 2 is equipped with a circuit board assembly 23 and a battery 24. The battery 24 is electrically connected to the circuit board assembly 23. The circuit board assembly 23 is arranged with a dot matrix LED light bead array. The grip portion 2 housing has light-transmitting holes 222 corresponding to the LED light beads 231 on the LED light bead array. When the LED light beads 231 emit light, the light can be emitted outward from the light-transmitting holes 222. A light shield 232 is arranged around each LED light bead 231. The outer edge of the light shield 232 is tightly connected to the edge of the light-transmitting hole 222. A light-transmitting panel 21 is encapsulated on the outside of the light-transmitting hole 222. The light-transmitting panel 21 is the display interface. The circuit board assembly 23 is electrically connected to a control button 233 and a USB interface 234. The control button 233 and the USB interface 234 are both located in the through holes of the grip portion 2 housing and extend outward from the through holes. After pattern display data is implanted into the built-in chip of the circuit board assembly 23 via the USB interface 234, the LED lamp array can be activated by the control button 233 or the trigger signal of the mobile phone Bluetooth signal to generate the corresponding light-emitting pattern and display it to the outside through the light-transmitting panel 21. When the USB interface is connected to an external power supply, it can also charge the battery 24. The control button 233 can also be used to adjust and control the working status and working mode of the drive fan blade assembly 14 and the semiconductor cooling chip 27.

[0025] In summary, this utility model utilizes the unused area of ​​the grip portion 2 to load a dynamic display device onto the product, thereby adding advertising or entertainment value to the product. Furthermore, a cooling conductor 28 is provided on the outer surface of the grip portion 2. This cooling conductor 28, through the action of the cooling device, achieves a cooling effect. Consumers can enhance the cooling effect of the fan by cooling their palms during use, thus improving the user experience of the handheld fan. This enhances the product's functionality and cost-effectiveness, increasing its competitiveness in the market.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A handheld fan with a dynamic display device, comprising a fan body, the fan body including a blowing part (1) and a grip part (2) connected to the lower end of the blowing part (1), the blowing part (1) including an air inlet (281) and an air outlet (221), the side wall of the grip part (2) located at the air inlet (281) is defined as the front wall, and the walls on the left and right sides of the front wall are defined as the left wall and the right wall, respectively, characterized in that: The grip (2) is provided with a display device, which includes a display interface for displaying content to the outside. The display interface is located on at least one side of the front wall, left wall and right wall. The blowing part (1) is provided with an air passage. The grip (2) is provided with a receiving cavity. The fan body is provided with a cooling device, which includes a cooling output end and a heat dissipation end. The grip (2) is provided with a cooling conductive member (28). At least part of the cooling conductive member (28) is exposed on the outer surface of the grip (2) and can be touched by a person when holding it. The cooling output end of the cooling device is thermally connected to the cooling conductive member (28). The fan body is provided with a heat dissipation conductive member (25). The heat dissipation conductive member (25) is connected to the air passage and the receiving cavity. One end of the heat dissipation conductive member (25) is connected to the internal space of the air passage, and the other end is thermally connected to the heat dissipation end of the cooling device.

2. A handheld fan with a dynamic display device according to claim 1, characterized in that: The display interface is disposed on the front wall surface, and the display interface covers at least 50% of the surface area of ​​the front wall surface.

3. A handheld fan with a dynamic display device according to claim 1, characterized in that: The display interface is disposed on the left wall and / or the right wall, and the display interface covers at least 50% of the surface area of ​​the left wall and / or the right wall.

4. A handheld fan with a dynamic display device according to claim 1, characterized in that: The display device includes a dot matrix LED bead array disposed in the grip part (2), a light-transmitting hole (222) disposed on the housing of the grip part (2), and a light-transmitting panel (21) encapsulated on the outside of the light-transmitting hole (222). The light-transmitting panel (21) is the display interface. The LED bead array is electrically connected to the circuit board assembly (23) disposed in the fan body. The light-transmitting hole (222) is respectively disposed corresponding to the LED beads (231) on the LED bead array. When the LED beads (231) emit light, the light can be emitted outward from the light-transmitting hole (222). A light shield (232) is disposed around the LED beads (231) in the circumferential direction. The outer edge of the light shield (232) is tightly connected to the edge of the light-transmitting hole (222).

5. A handheld fan with a dynamic display device according to claim 1, characterized in that: The fan body includes a front fan housing (22) and a rear fan housing that are connected to each other. The rear fan housing is the cooling conductor (28). The cooling conductor (28) is a non-porous steel component or an aluminum alloy component. The cooling device is a semiconductor cooling chip (27).

6. A handheld fan with a dynamic display device according to claim 1, characterized in that: The blower (1) is provided with an air duct component (13) inside, the air duct is formed inside the air duct component (13), the air duct component (13) is provided with a motor base (131) inside, the motor base (131) is equipped with a drive fan blade assembly (14), the blower (1) is provided with an air inlet (281) and an air outlet (221), the drive fan blade assembly (14) guides the air located at the air inlet (281) into the air duct and accelerates it outward from the air outlet (221).

7. A handheld fan with a dynamic display device according to claim 6, characterized in that: The motor base (131) is coaxially arranged with the air duct. The circumferential part of the motor base (131) extends radially to form a wind-cutting and pressurizing blade (132). The end of the wind-cutting and pressurizing blade (132) away from the motor base (131) is connected to the inner wall of the air duct. The wind-cutting and pressurizing blade (132) is a curved sheet. The virtual extension surface of the curved surface of the curved sheet intersects with the central axis of the air duct.

8. A handheld fan with a dynamic display device according to claim 6, characterized in that: An air guide (12) is provided at the air outlet (221). An expansion cavity (121) is coaxially provided on the inner side of the air guide (12). The circumferential part of the expansion cavity (121) extends radially to form an air guide blade (122). The end of the air guide blade (122) away from the expansion cavity (121) is connected to the inner wall of the air guide (12). The air guide blade (122) is a flat sheet material arranged parallel to the central axis of the air guide (12). A cavity cover (11) is installed at the cavity opening of the expansion cavity (121).

9. A handheld fan with a dynamic display device according to claim 1 or 4, characterized in that: The grip (2) is provided with a circuit board assembly (23) and a battery (24). The battery (24) is electrically connected to the circuit board assembly (23). The circuit board assembly (23) is electrically connected with a control button (233) and a USB interface (234). The control button (233) and the USB interface (234) are both located in a pre-set through hole in the housing of the grip (2) and extend outward from the through hole.

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