CN218627127U

CN218627127U - Portable refrigeration fan

Info

Publication number: CN218627127U
Application number: CN202222823681.4U
Authority: CN
Inventors: 林增通
Original assignee: Shenzhen Huiqimei Technology Co ltd
Current assignee: Shenzhen Huiqimei Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-14
Anticipated expiration: 2032-10-24

Abstract

The utility model provides a portable refrigeration fan, include: the refrigerator comprises a shell, a first cooling plate, a second cooling plate, a first cooling plate and a second cooling plate, wherein the shell is internally provided with an accommodating space, one surface of the shell is connected with a semiconductor refrigerating plate, and two opposite side walls of the shell are provided with airflow channels; the heat radiating piece is arranged in the accommodating space and connected with the semiconductor refrigerating piece; and the fan is arranged in the accommodating space and is positioned on one side, away from the semiconductor refrigerating sheet, of the heat radiating piece, and airflow formed by the fan is discharged through the airflow channel after passing through the surface of the radiator. This portable fan both can the air current of accessible fan formation blow the cooling, the refrigeration function that can also play through the semiconductor refrigeration piece pastes and covers the user's body surface, the effect of refrigeration cooling in the twinkling of an eye, wherein, the fan has concurrently for the radiating effect of semiconductor refrigeration piece, only need a fan can realize blowing and enjoying the cool and promote the radiating effect of semiconductor refrigeration piece, compare with the semiconductor refrigeration fan that the tradition needs two at least fans, simple structure, small in size, it carries to change in, user experience has been improved.

Description

Portable refrigeration fan

Technical Field

The utility model belongs to the technical field of refrigerating plant, a cooling fan is related to, specifically speaking relates to a portable cooling fan.

Background

In order to enjoy cooling conveniently in hot summer, portable small handheld fan products have gradually appeared on the market in recent years. The cooling effect of the conventional fan is mainly that the fan blades of the fan rotate, so that the air flow is accelerated, partial heat on the body surface of people can be taken away by the rapidly flowing air, and the effects of cooling and cooling are achieved.

However, the power and the size of the fan blades of the small handheld fan are small, so that the cooling effect is difficult to realize quickly, and the temperature of wind generated by the fan is close to the ambient temperature, so that the effects of quickly reducing the skin temperature of a human body and providing cool experience cannot be achieved.

In order to solve the technical problem, a fan with a semiconductor refrigeration function appears on the market, the fan with the semiconductor refrigeration function comprises a semiconductor refrigeration piece, the semiconductor refrigeration piece can be attached to the skin of a human body to realize the effects of refrigeration and cooling, and the working principle is as follows: in a refrigeration mode, air is cooled from a cold end of a semiconductor refrigeration sheet to form cold air, the semiconductor refrigeration sheet is often required to be cooled in the working process of the semiconductor refrigeration sheet, a cooling mode generally adopts a cooling fan, so that the fan with the semiconductor refrigeration function is provided with two groups of fans, one group of fans is used for forming cooling air flow, and the other group of fans is used for cooling the semiconductor refrigeration sheet, for example, a portable fan disclosed in patent document CN 213655197U is provided with a fan wheel and a refrigeration assembly, wherein the refrigeration assembly comprises the semiconductor refrigeration sheet, and further comprises the cooling fan and a cooling piece. The portable fan with the structure has the technical problems of complicated structure, large volume and weight and inconvenient carrying due to the two groups of fan structures.

In view of the above, there is a need for further improvements to prior art refrigeration fans.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses the technical problem that will solve lies in that current portable refrigeration fan structure is complicated, volume and weight are great, are unfavorable for carrying to provide a simple structure, small in size, easily handheld portable refrigeration fan who carries.

In order to solve the technical problem, the utility model adopts the technical scheme that:

the utility model provides a portable refrigeration fan, it includes:

the refrigerator comprises a hollow shell, a refrigerating unit and a refrigerating unit, wherein the hollow shell is internally provided with an accommodating space, one surface of the shell is connected with a semiconductor refrigerating sheet, and two opposite side walls of the shell are provided with airflow channels;

the heat dissipation piece is arranged in the accommodating space and connected to the semiconductor refrigeration piece;

and the fan is arranged in the accommodating space and is positioned at one side of the heat radiating piece far away from the semiconductor refrigerating piece, and airflow formed by the fan passes through the surface of the radiator and then is discharged through the airflow channel.

Preferably, one side of the semiconductor refrigeration piece, which is far away from the shell, is also connected with a cold conduction piece.

Preferably, the housing comprises a first housing and a second housing which are detachably connected, the first housing and the second housing enclose to form the accommodating space, the semiconductor refrigeration piece is connected to the first housing, and the airflow channel is arranged on the second housing.

Preferably, the airflow channel includes an air inlet channel and an air outlet channel, the second housing includes a first side wall and a second side wall which are oppositely disposed, the air inlet channel is disposed on the first side wall, the air outlet channel is disposed on the second side wall, the fan is disposed between the first side wall and the second side wall, and the airflow formed by the fan is discharged through the air outlet channel.

Preferably, the first shell is provided with a window, and the semiconductor refrigeration piece is arranged in the window.

Preferably, the semiconductor refrigeration piece and the heat dissipation piece are rectangular in cross section, and the semiconductor refrigeration piece is connected to the center of the heat dissipation piece.

Preferably, the heat dissipation member is an aluminum heat dissipation plate, the heat dissipation member is arranged on one side of the hot end of the semiconductor refrigeration sheet, and heat dissipation fins are arranged on the surface, far away from the semiconductor refrigeration sheet, of the heat dissipation member.

Preferably, the inner surface of the second shell is convexly provided with a first installation convex rib and a second installation convex rib at intervals, a containing position for containing the fan is formed between the first installation convex rib and the second installation convex rib, and the size of the containing position is matched with the size of the periphery of the fan.

Preferably, a control circuit board is further arranged in the accommodating space, the control circuit board and the fan are arranged on two sides of the second mounting convex rib at intervals, the control circuit board is connected with a control key, and a key hole is formed in the position, corresponding to the control key, of the first shell.

Preferably, the second housing is further connected with a hanging piece.

Compared with the prior art, the technical scheme of the utility model have following advantage:

the utility model provides a portable refrigeration fan, include: the refrigerator comprises a hollow shell, a refrigerating unit, a heat exchanger and a refrigerating unit, wherein the hollow shell is internally provided with an accommodating space, one surface of the shell is connected with a semiconductor refrigerating sheet, and two opposite side walls of the shell are provided with airflow channels; the heat dissipation piece is arranged in the accommodating space and connected to the semiconductor refrigeration piece; and the fan is arranged in the accommodating space and is positioned on one side of the heat radiating piece away from the semiconductor refrigerating piece, and airflow formed by the fan is discharged through the airflow channel after passing through the surface of the radiator. This portable fan both can the air current of accessible fan formation blow the cooling, the refrigeration function that can also play through the semiconductor refrigeration piece pastes and covers the user's body surface, the effect of refrigeration cooling in the twinkling of an eye, wherein, the fan has concurrently for the radiating effect of semiconductor refrigeration piece, only need a fan can realize blowing and enjoying the cool and promote the radiating effect of semiconductor refrigeration piece, compare with the semiconductor refrigeration fan that the tradition needs two at least fans, simple structure, small in size, it carries to change in, user experience has been improved.

Drawings

In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which

Fig. 1 is an exploded view of a portable refrigeration fan according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a portable refrigeration fan provided by an embodiment of the present invention;

fig. 3 is an assembly schematic view of a second casing and a hanging member in the portable refrigeration fan provided by the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a heat sink in a portable refrigeration fan according to an embodiment of the present invention.

The reference numbers in the figures denote: 100-a housing; 1-a first housing; 101-a card slot; 102-a window section; 103-key hole; 2-semiconductor refrigerating sheet; 3-a second housing; 301-a first sidewall; 302-a second sidewall; 303-a bottom wall; 304-a third sidewall; 305-a fourth sidewall; 306-a first mounting bead; 307-a second mounting bead; 4-a heat sink; 401-heat dissipating fins; 402-heat dissipation channels; 5-a fan; 6-a cold conducting piece; 601-a snap tab; 7-an intake passage; 8-an air outlet channel; 9-a power supply; 10-a control circuit board; 11-control keys; 12-a hanging piece; 13-mounting a bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the present invention, it should be understood that the terms "upper" and "lower" are used as the terms of the orientation or the positional relationship based on the drawings, or the orientation or the positional relationship that the product of the present invention is usually placed when using, or the orientation or the positional relationship that the person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not for the indication or the suggestion that the device or the element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be interpreted as the limitation of the present invention.

The terms "first", "second", and the like in the present invention are used only for descriptive distinction and have no special meanings.

Examples

Referring to fig. 1 to 4, the portable refrigeration fan includes a hollow casing 100 having an accommodating space therein, one surface of the casing 100 is connected to a semiconductor refrigeration sheet 2, two opposite side walls of the casing 100 are provided with air flow channels, a heat dissipation member 4 for dissipating heat of the semiconductor refrigeration sheet 2 is disposed in the accommodating space, and the heat dissipation member 4 is connected to the semiconductor refrigeration sheet 2 to perform heat conduction and heat dissipation. Still be provided with a fan 5 in the accommodation space, fan 5 sets up in radiating piece 4 and keeps away from one side of semiconductor refrigeration piece 2, promptly, and radiating piece 4 sets up between semiconductor refrigeration piece 2 and fan 5, and the rotatory air current that produces of flabellum of fan 5 passes through 4 surfaces of radiating piece and then discharges through airflow channel, provides the wind that is used for the cooling for the user.

The portable refrigeration fan that this embodiment provided, the cooling of blowing of the air current that both accessible fan 5 formed, the refrigeration function that can also play through semiconductor refrigeration piece 2 pastes the user's body surface, the effect of refrigeration cooling in the twinkling of an eye, wherein, fan 5 has simultaneously and bloies and takes away the heat of heat dissipation piece 4 for the user provides for the user, fan 5 rotates the air current that produces and takes away the heat of heat dissipation piece 4 through 4 surfaces of heat dissipation piece, and then has realized the radiating effect for semiconductor refrigeration piece 2. Only need a fan 5 can realize blowing and enjoying the cool and promote the radiating effect of semiconductor refrigeration piece 2, compare with the semiconductor refrigeration fan that two at least fans of tradition needs, simple structure, small in size, change in carrying, improved user experience.

This embodiment specifically, casing 100 is including dismantling first casing 1 and the second casing 3 of connection, and wherein, first casing 1 is connected with semiconductor refrigeration piece 2, and semiconductor refrigeration piece 2 that this embodiment adopted is conventional semiconductor refrigeration piece, and its theory of operation lies in: when there is the current to pass in the thermocouple centering that an N type semiconductor material and a P type semiconductor material were linked into, will produce the heat transfer between the both ends, the heat will be followed one end and transferred to the other end to produce the difference in temperature and form cold junction and hot junction, in this embodiment, the cold junction of semiconductor refrigeration piece 2 sets up in first casing 1 outside, is used for the refrigeration in order to cool down user's skin. The first shell 1 is connected to the second shell 3 in a buckling mode, an accommodating space for installing components is formed by the first shell 1 and the second shell 3 in a surrounding mode, the second shell 3 is provided with two opposite side walls, and the two opposite side walls are provided with the airflow channels.

For comfort level when improving the user and using this refrigeration fan, the portable refrigeration fan that this embodiment provided still includes one and leads cold 6, wherein, it is the higher metal material of coefficient of heat conductivity to lead cold 6 preferred, like aluminium, it is firm for making to lead the installation of cold 6, it is the lid form that has the portion of bending all around to lead cold 6, and lead cold 6 and be provided with a plurality of joint pieces 601 all around, first casing 1 has seted up joint groove 101 corresponding to the position of joint piece 601, joint piece 601 adaptation joint is in joint groove 101, thereby make and lead cold 6 lock in the surface of first casing 1, in order to transmit the low temperature of 2 refrigeration formation of semiconductor refrigeration pieces to user's skin rapidly, play the effect of rapid cooling.

For making semiconductor refrigeration piece 2 and leading cold piece 6 contact, with the low temperature transmission that produces 2 cold junctions of semiconductor refrigeration piece to leading cold piece rapidly, first casing 1 is seted up one and is used for making 2 exposed window portions 102 of semiconductor refrigeration piece, and semiconductor refrigeration piece 2 sets up in window portion 102, leads cold piece 6 lock joint in 2 outsides of semiconductor refrigeration piece, makes and leads between cold piece 6 and the semiconductor refrigeration piece 2 interval less, thereby has improved and has led cold efficiency.

Further, in order to ensure smooth air circulation when the refrigeration fan operates, the air flow channel specifically includes a plurality of air inlet channels 7 and air outlet channels 8, the air inlet channels 7 and the air outlet channels 8 are both opened in the second housing 3, specifically, the second housing 3 includes a first sidewall 301 and a second sidewall 302 that are oppositely disposed, the first sidewall 301 and the second sidewall 302 are disposed along the length direction of the second housing 3, a bottom wall 303 is connected to the bottoms of the first sidewall 301 and the second sidewall 302, and a third sidewall 304 and a fourth sidewall 305 are connected to two ends of the first sidewall 301 and the second sidewall 302, the first sidewall 301, the second sidewall 302, the third sidewall 304, and the bottom wall 305 enclose to form the second housing 3, wherein the air inlet channels 7 are opened in the first sidewall 301, the air outlet channels 8 are opened in the second sidewall 302, in this embodiment, the air inlet channels 7 are a plurality of elongated through holes opened in the first sidewall 301, the length direction of the elongated through holes extends along the width direction of the first sidewall 301, the air outlet channels 8 are a plurality of elongated through holes opened in the second sidewall 302, and the elongated through holes in the length direction of the elongated through holes 302 extend along the length direction of the elongated through walls 302 of the elongated second sidewall 302. The air enters the second shell 3 through the air inlet channel 7, and forms air used for cooling the semiconductor refrigerating sheet 2 and blowing air for a user to cool under the rotation of the fan blade of the fan 5, and the formed air is blown out from the air outlet channel 8, so that the air convection effect of air inlet of the air inlet channel 7 and air outlet of the air outlet channel 8 is realized.

For further promotion to semiconductor refrigeration piece 2's radiating effect, one side (semiconductor cooling fin 2's hot junction) that semiconductor refrigeration piece 2 is close to second casing 1 is provided with heat dissipation piece 4, heat dissipation piece 4 is preferably aluminium system heating panel, semiconductor refrigeration piece 2 is flat cuboid structure, heat dissipation piece 4 also is the cuboid structure, the cross sectional view of the two is the rectangle, and semiconductor refrigeration piece 2's cross sectional area size is less than the cross sectional area size of heat dissipation piece, semiconductor refrigeration piece 2 is preferred to be pasted and covers the central point who covers in heat dissipation piece 4 and put the setting.

As shown in fig. 4, one side of the heat dissipation member 4, which is away from the semiconductor chilling plate 2, is further provided with at least 3 heat dissipation fins 401, in this embodiment, the number of the heat dissipation fins 401 is multiple, the multiple heat dissipation fins 401 are uniformly distributed on the surface of the heat dissipation member 4 at intervals, a heat dissipation channel 402 is formed between adjacent heat dissipation fins 401, the extending direction of the heat dissipation channel 402 is arranged along the direction from the air inlet channel 7 to the air outlet channel 8, that is, the extending direction of the heat dissipation channel 402 is consistent with the direction of the airflow formed by the rotation of the fan 5, so that the airflow generated by the high-speed rotation of the fan 5 can better take away the heat of the heat dissipation member 4, and further, a better heat dissipation effect is achieved for the semiconductor chilling plate 2.

In order to provide the semiconductor refrigeration piece 2 with electric energy for refrigerating the semiconductor refrigeration piece and provide the fan 5 with electric energy for rotating the fan, a power supply 9 is further disposed in the accommodating space, in this embodiment, the power supply 9 is a rechargeable battery, the power supply 9 is connected to the second housing 3, one side of the second housing 3 away from the power supply 9 is connected to a control circuit board 10, the control circuit board 10 is used for controlling the on/off of the refrigeration operation of the semiconductor refrigeration piece 2 and the on/off of the rotation of the fan 5, and the control circuit board 10 is connected to a control key 11.

For closely installing fan 5, make the air get into from inlet channel 7, discharge from outlet channel 8, reduce the diffusion of air current, the protruding first protruding muscle 306 and the protruding muscle 307 of second installation that is equipped with in the internal surface interval of second casing 3, first protruding muscle 306 of installation and the protruding muscle 307 of second installation all extend along first lateral wall 301 to second lateral wall 302, the two parallel arrangement, and form the holding position that is used for installing fan 5 between first protruding muscle 306 of installation and the protruding muscle 307 of second installation, the size of holding the position and the peripheral dimensions looks adaptation of fan 5, thereby play certain sealed effect, make the air convection effect better.

Further, the control circuit board 10 and the fan 5 are disposed at intervals on two sides of the second mounting rib 307.

In order to facilitate carrying, the second housing 3 is further connected with a hanging piece 12, in this embodiment, the hanging piece 12 is preferably a hanging rope, and the user can wear the refrigeration fan provided by this embodiment on the neck through the hanging piece 12, and can also hang the refrigeration fan on a backpack, so that the refrigeration fan is easier to store and use.

To stabilize the installation and operation of the fan 5, the fan 5 is mounted in a mounting bracket 13.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A portable refrigeration fan, comprising:

the fan is arranged in the accommodating space and is positioned at one side, away from the heat radiating piece, of the semiconductor refrigerating piece, and airflow formed by the fan passes through the surface of the heat radiating piece and then is discharged through the airflow channel.

2. The portable refrigeration fan of claim 1, wherein a cold conducting member is further connected to a side of the semiconductor refrigeration sheet away from the housing.

3. The portable cooling fan according to claim 2, wherein the housing comprises a first housing and a second housing that are detachably connected, the first housing and the second housing enclose the accommodating space, the semiconductor cooling fin is connected to the first housing, and the airflow channel is opened in the second housing.

4. The portable cooling fan of claim 3, wherein the airflow channel comprises an inlet channel and an outlet channel, the second housing comprises a first side wall and a second side wall that are opposite to each other, the inlet channel is disposed on the first side wall, the outlet channel is disposed on the second side wall, the blower is disposed between the first side wall and the second side wall, and an airflow generated by the blower is discharged through the outlet channel.

5. The portable refrigeration fan as claimed in claim 3 or 4, wherein the first housing defines a window, and the semiconductor refrigeration sheet is disposed in the window.

6. The portable cooling fan of claim 5, wherein the semiconductor cooling plate and the heat dissipating member are rectangular in cross-sectional view, and the semiconductor cooling plate is attached to a central position of the heat dissipating member.

7. The portable refrigeration fan of claim 6, wherein the heat dissipation member is an aluminum heat dissipation plate, the heat dissipation member is disposed on one side of the hot end of the semiconductor refrigeration sheet, and heat dissipation fins are disposed on a surface of the heat dissipation member away from the semiconductor refrigeration sheet.

8. The portable refrigerating fan as claimed in claim 7, wherein a first mounting rib and a second mounting rib are protruded from an inner surface of the second housing at intervals, a receiving position for receiving the fan is formed between the first mounting rib and the second mounting rib, and a size of the receiving position is adapted to an outer circumference size of the fan.

9. The portable refrigeration fan as claimed in claim 8, wherein a control circuit board is further disposed in the accommodating space, the control circuit board and the fan are disposed at two sides of the second mounting rib at an interval, the control circuit board is connected with a control button, and a button hole is formed in the first casing at a position corresponding to the control button.

10. A portable refrigeration fan according to claim 9 wherein a hanger is further attached to the second housing.