Holding type ice feeling refrigeration fan

Abstract

The invention discloses a holding type ice feeling refrigeration fan which comprises a fan body and a holding part, an air passing channel is formed in the fan body, an air inducing part is arranged in the air passing channel, a conduction piece is arranged on the outer surface of the holding part, a refrigeration device is arranged in the holding part and comprises a refrigeration end and a heat dissipation air channel, and the heat dissipation air channel is communicated with the refrigeration end. The air guide blades are arranged on the leeward side of the fan body, the air guide blades are arranged on the leeward side of the air guide blades, the air guide blades are arranged on the leeward side of the air guide blades, the refrigeration end is connected with the conduction piece in a heat conduction mode, and the air guide part guides part of air flow passing through the air passing channel to enter the heat dissipation air channel and then is blown out from the heat dissipation air outlet holes. According to the cooling fan, on the premise that normal work of air flow passing through the air channel is not interfered, part of interference air flow passing through the air channel can be guided into the cooling air channel to be used by the refrigeration device for discharging heat, the problem of discharging accompanying heat is solved, meanwhile, complexity of a cooling mechanism of the refrigeration device is simplified, and the manufacturing cost of the refrigeration fan is effectively saved.

Description

Technical Field

[0001] This invention relates to the field of fan technology, specifically to a handheld ice-cooling fan. 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, after prolonged use of handheld fans, consumers often experience stuffy and sweaty palms. This unpleasant sensation not only affects the user experience but also reduces the cooling effect of the fan. This is because the palm is a highly sensitive part of the body to temperature, and the information perceived is amplified by the brain, influencing the body's perception. If the palm feels stuffy, the subconscious mind tends to perceive a hot environment; conversely, if the palm feels cool, the subconscious mind tends to perceive a cool environment. Therefore, improving the unpleasant sensation caused by prolonged use of handheld fans is crucial for enhancing their performance. Currently, the most direct way to improve this is to use a cooling device to cool the fan's grip area.

[0005] However, according to the law of conservation of energy, the use of a refrigeration device will inevitably be accompanied by the generation of heat. Therefore, how to cool down the fan handle while simultaneously addressing the heat dissipation is the key to the technical solution and a problem that we urgently need to solve. Summary of the Invention

[0006] The purpose of this invention is to provide a handheld ice-feeling cooling fan. An air-guiding part is provided in the air passage of the fan body. The air-guiding part is located on the leeward side of the air guide blades. It can guide part of the interference airflow passing through the air passage into the heat dissipation air passage for the cooling device to dissipate heat without interfering with the normal operation of the airflow in the air passage. This solves the problem of heat dissipation and simplifies the complexity of the heat dissipation mechanism of the cooling device, effectively saving the manufacturing cost of the cooling fan and solving the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a handheld ice-cooling fan, comprising a fan body and a handheld part integrally connected to the fan body, wherein an air passage is provided inside the fan body, an air intake part is provided inside the air passage, a conductive element is provided on the outer surface of the handheld part, and a cooling device is provided inside the handheld part, wherein the cooling device comprises a cooling end and a heat dissipation air passage, the cooling end is thermally connected to the conductive element, and the air intake part guides part of the airflow passing through the air passage into the heat dissipation air passage and then blows it outward from the heat dissipation air outlet.

[0008] Preferably, the fan body includes a fan housing with an air inlet and an air outlet. An air duct is disposed between the air inlet and the air outlet. A drive fan blade assembly is disposed within the air duct, guiding the airflow at the air inlet through the air duct and accelerating it outwards from the air outlet. Guide vanes are disposed within the air duct, positioned near the air outlet end. Multiple guide vanes are arranged in a circular array on the inner wall of the air duct. The device includes a windward side and a leeward side. The air intake part is located on the leeward side of the air guide blade. The air intake part includes a baffle plate located on the leeward side of the air guide blade. An air intake port is formed between the baffle plate and the leeward side of the air guide blade. A first air passage is provided on the inner wall of the air intake port, penetrating the wall of the air duct. A second air passage is provided on the grip part, penetrating the housing. A third air passage is provided on the refrigeration device, communicating with the heat dissipation air duct. The first air passage, the second air passage, and the third air passage are sequentially connected. The heat dissipation air outlet is connected to the heat dissipation air duct.

[0009] Preferably, a motor base is provided inside the air duct, the motor base is coaxially arranged with the air duct, the air guide blades are connected between the circumferential wall of the motor base and the inner wall of the air duct, and the drive fan blade assembly is installed on the motor base.

[0010] Preferably, the motor base has a receiving cavity on the side facing the air outlet, and the cavity opening is covered with a cavity seal.

[0011] Preferably, the guide vane includes a parallel portion and a cutting portion. The parallel portion is arranged parallel to the central axis of the air outlet, and the cutting portion is located on the side of the parallel portion away from the air outlet. The cutting portion is a curved surface, and the extension surface of the curved surface intersects the central axis of the air outlet. The inner surface of the curved surface is the wind-receiving surface, and the outer surface of the curved surface is the leeward surface.

[0012] Preferably, the air outlet is fitted with an air-concentrating hood, the inner diameter of which gradually decreases from the air inlet to the air outlet, and the air inlet is covered with an air inlet hood.

[0013] Preferably, the cooling device includes a semiconductor cooling chip, a heat sink, and an air duct design component. Multiple heat dissipation fins are provided on one side wall of the heat sink. When the air duct design component covers the heat dissipation fins, a heat dissipation air duct is formed between the heat dissipation fins. A semiconductor through hole is provided on the housing of the gripping part. The semiconductor cooling chip is disposed in the semiconductor through hole. The cooling working surface of the semiconductor cooling chip is thermally connected to the conductive component, and the heating working surface of the semiconductor cooling chip is thermally connected to the heat sink.

[0014] Preferably, the heat dissipation vents are located on the left and right walls of the grip portion near the end of the fan body.

[0015] Preferably, the gripping part includes a front shell and a rear shell that are connected to each other, forming a cavity between the front shell and the rear shell. A cooling device, a circuit board assembly, and a battery are installed in the cavity. The cooling device and the battery are electrically connected to the circuit board assembly. The circuit board assembly is electrically connected to control buttons, a display screen, and a power interface. The front shell is configured with a light-transmitting area at the projection area of ​​the display screen. The control buttons and the power interface are both located in a pre-set through hole in the gripping part housing and extend outward from the through hole.

[0016] Preferably, the lower end of the fan body is provided with a connecting part, and the upper surface of the grip is provided with a connecting slot. The fan body is inserted into the connecting slot through the connecting part and is fixed with screws to achieve an integral connection with the grip.

[0017] Compared with the prior art, the beneficial effects of the present invention are: This invention provides an air intake section within the fan body's air duct, positioned on the leeward side of the guide vanes. This allows a portion of the interference-force airflow passing through the air duct to be guided into the heat dissipation duct for the cooling device to dissipate heat without interfering with the normal operation of the airflow. This solves the problem of heat dissipation and simplifies the complexity of the cooling device's heat dissipation mechanism, effectively saving on the manufacturing cost of the cooling fan. Attached Figure Description

[0018] Figure 1 The structure of this invention explodes Figure 1 ; Figure 2 The structure of this invention explodes Figure 2 ; Figure 3 This is a schematic diagram of the structure of the present invention; Figure 4 This is a schematic diagram of the cross-sectional orientation of the fan housing AA of the present invention; Figure 5 This is a cross-sectional view AA of the fan housing of the present invention; Figure 6Schematic diagram of the fan housing of the present invention Figure 1 ; Figure 7 Schematic diagram of the fan housing of the present invention Figure 2 ; Figure 8 Schematic diagram of the fan housing of the present invention Figure 3 ; Figure 9 This is a schematic diagram of the heat sink structure of the present invention; Figure 10 This is a schematic diagram of the air duct styling component of the present invention.

[0019] In the diagram: 1 Fan body; 11 Chamber cover; 12 Concentrator cover; 13 Fan housing; 131 Motor mount; 132 Guide vanes; 1321 Parallel section; 1322 Air cutting section; 133 Receiving cavity; 134 Air intake section; 135 Baffle plate; 136 Air intake port; 137 First air inlet; 14 Drive fan blade assembly; 15 Air inlet cover; 16 Connecting part; 2 Grip part; 21 Front shell; 22 Circuit board assembly; 221 Control buttons; 222 Display screen; 223 Power interface; 23 Cooling device; 231 Third air inlet; 232 Semiconductor cooling chip; 233 Heat sink; 2331 Heat dissipation fins; 2332 Heat dissipation duct; 234 Air duct styling component; 24 Battery; 25 Rear shell; 251 Second air inlet; 252 Heat dissipation exhaust hole; 253 Semiconductor through hole; 26 Conductive component; 27 Connecting slot. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figure 1-10 A handheld cooling fan includes a fan body 1 and a handheld part 2 integrally connected to the fan body 1. The fan body 1 has an air passage, and an air intake part 134 is provided in the air passage. A conductive element 26 is provided on the outer surface of the handheld part 2. A cooling device 23 is provided in the handheld part 2. The cooling device 23 includes a cooling end and a heat dissipation air passage 2332. The cooling end is thermally connected to the conductive element 26. The air intake part 134 guides part of the airflow passing through the air passage into the heat dissipation air passage 2332 and then blows it outward from the heat dissipation air outlet 252.

[0022] The fan body 1 includes a fan housing 13, on which an air inlet and an air outlet are provided. An air duct is disposed between the air inlet and the air outlet. A drive fan blade assembly 14 is disposed within the air duct. The drive fan blade assembly 14 guides the airflow located at the air inlet through the air duct and accelerates outward from the air outlet. Guide vanes 132 are disposed within the air duct, near the air outlet end. Multiple guide vanes 132 are arranged in a circular array on the inner wall of the air duct. A motor mount 13 is disposed within the air duct. 1. The motor base 131 is coaxially arranged with the air duct. The guide vane 132 is connected between the circumferential wall of the motor base 131 and the inner wall of the air duct. The drive fan blade assembly 14 is mounted on the motor base 131. The guide vane 132 includes a windward surface and a leeward surface. The air intake part 134 is disposed on the leeward side of the guide vane 132. The air intake part 134 includes a baffle plate 135 disposed on the leeward side of the guide vane 132. An air intake 136 is formed between the baffle plate 135 and the leeward side of the guide vane 132. A first air intake 137 penetrating the wall of the air duct is provided on the inner wall of the air intake 136. The grip 2 has a second air vent 251 extending through the housing, and the cooling device 23 has a third air vent 231 connected to the heat dissipation duct 2332. The first air vent 137, the second air vent 251, and the third air vent 231 are sequentially connected. The heat dissipation outlet 252 is connected to the heat dissipation duct 2332. Driven by the fan blade assembly 14, the air forms a high-speed airflow in the air duct. Most of the high-speed airflow is guided by the guide vanes and blown out from the outlet for the user to cool down. A portion of the interference fit airflow enters from the air inlet 136 under the action of wind pressure and then passes through the air vent 136. After passing through the first air vent 137, the second air vent 251, and the third air vent 231, the air enters the heat dissipation duct 2332. Finally, the heat accumulated in the heat dissipation duct 2332 is blown outward through the heat dissipation outlet 252. The heat dissipation outlet 252 is located on the left and right walls of the grip part 2 near the end of the fan body 1. The heat dissipation outlet 252 is located at the upper end of the grip part 2, which can provide enough gripping space for the user when holding the cooling fan. In addition, the location on the left and right walls can make the hot air blown out from the heat dissipation outlet 252 diffuse from both sides, making it less likely that the heat will flow back to the human body and affect the user experience of the fan.

[0023] The motor base 131 is provided with a receiving cavity 133 on the side facing the air outlet. The receiving cavity 133 can be used to store external expansion devices such as aromatherapy materials. The cavity opening 133 is covered with a cavity opening cap 11.

[0024] The guide vane 132 includes a parallel portion 1321 and a cutting portion 1322. The parallel portion 1321 is arranged parallel to the central axis of the air outlet, and the cutting portion 1322 is located on the side of the parallel portion 1321 away from the air outlet. The cutting portion 1322 is a curved surface, and its extension surface intersects the central axis of the air outlet. The inner surface of the curved surface is the wind-receiving surface, and the outer surface of the curved surface is the leeward surface. When the drive fan blade assembly 14 operates, the high-speed airflow generated blows onto the guide vane 132. When the airflow reaches the guide vane 132, it is first cut into multiple sub-airflows by the cutting portion 1322. The sub-airflows are further compressed by the cutting portion 1322, and then flow to the parallel portion 1321. Under the guidance of the parallel portion, the sub-airflows, after being pressurized a second time, will blow outward in a direction that is more parallel to the air outlet. This helps to improve the concentration and directional consistency of the airflow blowing out of the multiple air outlets. The air outlet is fitted with a wind concentrator 12, the inner diameter of which gradually decreases from the air inlet to the air outlet. The air inlet is covered with an air inlet cover 15. The structural features of the wind concentrator 12 enable it to compress and pressurize the blown airflow a third time at the air outlet, resulting in higher airflow pressure, higher blowing speed, and longer blowing distance.

[0025] The cooling device 33 includes a semiconductor cooling chip 232, a heat sink 233, and an air duct styling component 234. Multiple heat dissipation fins 2331 are disposed on one side wall of the heat sink 233. When the air duct styling component 234 covers the heat dissipation fins 2331, a heat dissipation air duct 2332 is formed between the heat dissipation fins 2331. A semiconductor through-hole 253 is disposed on the housing of the grip portion 2. The semiconductor cooling chip 232 is disposed within the semiconductor through-hole 253. The cooling working surface of the semiconductor cooling chip 232 is thermally connected to the conductive component 26. The conductive component 26 is typically made of aluminum alloy with good thermal conductivity. The conductive component 26 extends along the length of the grip portion. The heating working surface of the semiconductor cooling chip 232 is thermally connected to the heat sink 233.

[0026] The gripping part 2 includes a front shell 21 and a rear shell 25 that are connected to each other, forming a cavity between the front shell 21 and the rear shell 25. A cooling device 23, a circuit board assembly 22, and a battery 24 are installed in the cavity. The cooling device 23 and the battery 24 are electrically connected to the circuit board assembly 22. The circuit board assembly 22 is electrically connected to a control button 221, a display screen 222, and a power interface 223. The front shell 21 is set as a light-transmitting area at the projection area of ​​the display screen 222. The control button 221 and the power interface 223 are both located in a pre-set through hole in the gripping part 2 housing and extend outward from the through hole. The control button 221 is used to control and adjust the working status and working mode of the fan blade assembly 14 and the cooling device 23. The display screen 222 is used to display the working mode of the cooling fan and / or the real-time remaining power of the battery 24. When the power interface 223 is connected to an external power source using a charging cable, it can charge the battery 24 to replenish the stored power of the battery 24.

[0027] The fan body 1 is integrally provided with a connecting part 16 at its lower end, and a connecting slot 27 is provided on the upper surface of the grip part 2. The fan body 1 is inserted into the connecting slot 27 through the connecting part 16 and is fixed with screws to achieve integral connection with the grip part 2.

[0028] In summary, this invention provides an air intake section 134 in the air duct of the fan body 1. The air intake section 134 is located on the leeward side of the guide vane 132. This allows part of the interference airflow passing through the air duct to be guided into the heat dissipation air duct 2332 for the cooling device 23 to dissipate heat without interfering with the normal operation of the airflow in the air duct. This solves the problem of heat dissipation and simplifies the complexity of the heat dissipation mechanism of the cooling device 23, effectively saving the manufacturing cost of the cooling fan.

[0029] 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.

[0030] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A handheld ice-cooling fan, comprising a fan body (1) and a grip portion (2) integrally connected to the fan body (1), characterized in that: The fan body (1) is provided with an air passage, and an air intake part (134) is provided in the air passage. A conductive element (26) is provided on the outer surface of the grip part (2). A cooling device (23) is provided in the grip part (2). The cooling device (23) includes a cooling end and a heat dissipation air passage (2332). The cooling end is thermally connected to the conductive element (26). The air intake part (134) guides part of the airflow passing through the air passage into the heat dissipation air passage (2332) and blows it outward from the heat dissipation air outlet (252).

2. A handheld ice-feeling cooling fan according to claim 1, characterized in that: The fan body (1) includes a fan housing (13), on which an air inlet and an air outlet are provided. The air passage is located between the air inlet and the air outlet. A drive fan blade assembly (14) is provided inside the air passage. The drive fan blade assembly (14) guides the airflow located at the air inlet through the air passage and then accelerates outward from the air outlet. A guide vane (132) is provided inside the air passage. The guide vane (132) is located at one end of the air passage near the air outlet. Multiple guide vanes (132) are provided. The multiple guide vanes (132) are evenly arranged in a ring array on the inner wall of the air passage. The guide vane (132) includes a windward surface and a leeward surface. The air intake part (134) is located on the guide vane (132). 32) On the leeward side, the air intake part (134) includes a baffle plate (135) disposed on the leeward side of the air guide blade (132). An air intake port (136) is formed between the baffle plate (135) and the leeward side of the air guide blade (132). A first air passage port (137) penetrating through the wall of the air passage is provided on the inner wall of the air intake port (136). A second air passage port (251) penetrating through the housing is provided on the grip part (2). A third air passage port (231) connected to the heat dissipation air passage (2332) is provided on the refrigeration device (23). The first air passage port (137), the second air passage port (251) and the third air passage port (231) are connected in sequence. The heat dissipation air outlet (252) is connected to the heat dissipation air passage (2332).

3. A handheld ice-feeling cooling fan according to claim 2, characterized in that: A motor base (131) is provided inside the air passage. The motor base (131) is coaxially arranged with the air passage. The guide vane (132) is connected between the circumferential wall of the motor base (131) and the inner wall of the air passage. The drive fan blade assembly (14) is installed on the motor base (131).

4. A handheld ice-feeling cooling fan according to claim 3, characterized in that: The motor base (131) is provided with a receiving cavity (133) on the side facing the air outlet, and the cavity opening (133) is covered with a cavity opening cap (11).

5. A handheld ice-feeling cooling fan according to claim 2, characterized in that: The guide vane (132) includes a parallel part (1321) and a cutting part (1322). The parallel part (1321) is arranged parallel to the central axis of the air outlet. The cutting part (1322) is located on the side of the parallel part (1321) away from the air outlet. The cutting part (1322) is a curved surface. The extension surface of the curved surface intersects the central axis of the air outlet. The inner side of the curved surface is the wind-receiving surface, and the outer side of the curved surface is the leeward surface.

6. A handheld ice-feeding cooling fan according to claim 2, characterized in that: The air outlet is fitted with a wind concentrator (12), the inner diameter of which gradually decreases from the air inlet to the air outlet, and the air inlet is covered with an air inlet cover (15).

7. A handheld ice-sensing cooling fan according to claim 1 or 2, characterized in that: The cooling device (33) includes a semiconductor cooling chip (232), a heat sink (233), and a duct styling component (234). Multiple heat dissipation fins (2331) are provided on one side wall of the heat sink (233). When the duct styling component (234) covers the heat dissipation fins (2331), a heat dissipation duct (2332) is formed between the heat dissipation fins (2331). A semiconductor through hole (253) is provided on the housing of the grip part (2). The semiconductor cooling chip (232) is disposed in the semiconductor through hole (253). The cooling working surface of the semiconductor cooling chip (232) is thermally connected to the conductive component (26). The heating working surface of the semiconductor cooling chip (232) is thermally connected to the heat sink (233).

8. A handheld ice-sensing cooling fan according to claim 1 or 2, characterized in that: The heat dissipation vents (252) are located on the left and right walls of the grip (2) near the end of the fan body (1).

9. A handheld ice-sensing cooling fan according to claim 1 or 2, characterized in that: The grip (2) includes a front shell (21) and a rear shell (25) that are connected to each other. A cavity is formed between the front shell (21) and the rear shell (25). A cooling device (23), a circuit board assembly (22) and a battery (24) are installed in the cavity. The cooling device (23) and the battery (24) are electrically connected to the circuit board assembly (22). The circuit board assembly (22) is electrically connected to a control button (221), a display screen (222) and a power interface (223). The front shell (21) is set as a light-transmitting area at the projection area of ​​the display screen (222). The control button (221) and the power interface (223) are both located in a pre-set through hole in the grip (2) housing and extend outward from the through hole.

10. A handheld ice-feeling cooling fan according to claim 1, characterized in that: The fan body (1) is provided with a connecting part (16) at the lower end, and a connecting slot (27) is provided on the upper surface of the grip part (2). The fan body (1) is inserted into the connecting slot (27) through the connecting part (16) and is fixed with screws to achieve integral connection with the grip part (2).

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