CN213206046U - Hanging neck fan - Google Patents

Abstract

The utility model provides a hang neck fan, wear the frame and set up in the neck of human neck and wear the fan in the frame and for the battery of fan power supply including can being used for wearing at the neck of human neck, the neck is worn to be formed with the cavity that corresponds with the fan in the frame, be equipped with the separator in the cavity and fall into first cavity and second cavity with the cavity, the battery sets up in first cavity, the fan corresponds the second cavity setting and is formed with the wind channel that the wind that supplies fan operation to produce passes through in the second cavity, set up the thermovent of intercommunication wind channel and first cavity on the separator, it is equipped with the air outlet to correspond the wind channel on the lateral wall of frame is worn to the neck, the wind that fan operation produced blows off from the air outlet behind. The utility model discloses a hang neck fan sets up the thermovent on wearing the separator in the frame through the neck, will be equipped with the first cavity of battery and the wind channel intercommunication of fan, and during the thermovent got into first cavity, the produced heat of battery and circuit board also accessible thermovent got into the wind channel in the wind channel partly wind in the wind channel to take away the heat.

Description

Hanging neck fan

Technical Field

The utility model relates to the technical field of fans, in particular to hang neck fan.

Background

In recent years, people are pursuing more convenient life, and various portable fans such as neck-worn fans are appearing on the market in order to meet the requirement that fans are needed for outdoor activities or other life scenes. The appearance of the neck-worn fan solves the activity limitation caused by the handheld fan, and the neck-worn fan can liberate both hands of a user no matter in use scenes such as sports, outdoor activities or offices, and can achieve the effect of blowing air anytime and anywhere without being held by hands.

The existing neck-worn fan generally comprises a neck-worn frame used for being worn on the neck of a human body, a fan located in the neck-worn frame and a battery for supplying power to the fan, wherein an air channel corresponding to the fan is arranged in the neck-worn frame, an air outlet communicated with the outside is formed in the side wall of the air channel, and air generated by rotation of the fan enters the air channel and then is blown out of the air outlet, so that the neck of the human body can be cooled.

Because hang the inside battery that is equipped with of neck fan and for the fan power supply, still be equipped with electronic components such as circuit board simultaneously and realize circuit control, nevertheless battery and circuit board heat dissipation problem that produces in the course of the work are not fully considered to lead to hanging neck fan local high temperature after long-time work, also cause certain harm to the battery life-span when influencing the result of use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a hang neck fan solves the heat dissipation problem of inside battery.

The utility model provides a hang neck fan, wear the frame and set up in including the neck that can be used to wear at human neck the fan in the frame with do the battery of fan power supply, the neck is worn to be formed with in the frame with the cavity that the fan corresponds, be equipped with the separator in the cavity will the cavity falls into first cavity and second cavity, the battery sets up first cavity, the fan corresponds the second cavity sets up just be formed with the confession in the second cavity the wind channel that the wind that the fan operation produced passes through, seted up the intercommunication on the separator the wind channel with the thermovent of first cavity, correspond on the lateral wall that the frame was worn to the neck the wind channel be equipped with the air outlet of wind channel intercommunication, the wind channel that the fan operation produced follow behind the wind channel the air outlet blows out.

In an embodiment, the heat dissipation opening is opened on the partition and disposed in a staggered manner with respect to the battery, and the heat dissipation opening includes a plurality of heat dissipation holes or at least one elongated opening.

In an embodiment, the heat dissipation opening is formed on the partition and is disposed corresponding to the battery, and at least a portion of the battery is exposed from the heat dissipation opening.

In one embodiment, a side surface of the separator is disposed closely to the battery, or the battery is accommodated in the heat sink and a surface of the battery facing the second cavity is flush with a surface of the separator.

In an embodiment, the partition is provided with a first vent hole, the first vent hole communicates the first cavity with the air duct, and at least part of air generated by the operation of the fan enters the first cavity from the heat dissipation port and then flows out through the first vent hole.

In an embodiment, a second vent hole is formed in an outer side wall of the neck wearing frame, the second vent hole communicates the first cavity with the outside, and at least part of wind generated by operation of the fan enters the first cavity from the heat dissipation port and then flows out of the first cavity to the outside through the second vent hole.

In an embodiment, the neck wearing frame includes two housings, the number of the fans is two, the two fans are respectively disposed at the end portions of the two housings, a cavity corresponding to the fan is respectively formed in each housing, the partition is respectively disposed in each cavity, and the housing is further provided with an air inlet corresponding to the fan.

In an embodiment, an air deflector is arranged in the second cavity, the air deflector extends along the length direction of the shell and divides the second cavity into the air duct and the sub-cavities along the width direction of the shell, and a plurality of air outlets are arranged along the length direction of the shell; or

The second cavity is internally provided with an air deflector, the air channel comprises a first air channel and a second air channel, the air deflector extends along the length direction of the shell and divides the second cavity into the first air channel and the second air channel, and the side walls of the first air channel and the second air channel are respectively provided with the air outlets.

In one embodiment, one side of the air deflector is integrally connected with the inner wall of the neck wearing frame, and the other side of the air deflector is abutted with the separator; or

One side of the air deflector is integrally connected with the separator, and the other side of the air deflector is abutted against the inner wall of the neck wearing frame.

In an embodiment, the neck hanging fan further includes a circuit board electrically connected to the battery and the fan, respectively, and the circuit board is disposed in the first cavity of at least one of the housings and close to the battery.

The utility model provides a hang neck fan has following beneficial effect at least: the first cavity provided with the battery is communicated with the air channel of the fan by arranging the heat dissipation port on the partition in the neck wearing frame, part of air in the air channel can enter the first cavity from the heat dissipation port, and heat generated by the battery and the circuit board can also enter the air channel through the heat dissipation port so as to take away the heat; the partition piece can be provided with a first vent hole which is communicated with the air duct and a position, far away from the accommodating space of the battery and the circuit board, in the first cavity, so that heat generated by the battery and the circuit board is brought into the air duct and blown out of the air outlet, and heat is dissipated; the outer side wall of the shell can be provided with a second vent hole, the second vent hole is communicated with the accommodating space and the outside of the first cavity far away from the battery and the circuit board, and heat generated by the battery and the circuit board is taken out of the shell, so that heat dissipation is realized.

Drawings

Fig. 1 is a perspective view of a neck hanging fan according to a preferred embodiment of the present invention.

Fig. 2 is a sectional view of the neck hanging fan in fig. 1.

Fig. 3 is a partially exploded view of the neck hanging fan in fig. 1.

Fig. 4 is another partially exploded view of the neck hanging fan shown in fig. 1.

Fig. 5 is a perspective view of a neck hanging fan according to another preferred embodiment of the present invention.

Fig. 6 is a sectional view of the neck hanging fan in fig. 5.

Fig. 7 is a partially exploded view of the neck hanging fan shown in fig. 5.

Fig. 8 is a partially exploded view of the neck hanging fan of fig. 5 at another angle.

The elements in the figures are numbered as follows: the neck-wearing frame 10 (wherein, the shell 12, the flexible connecting section 14, the outer shell 121, the inner shell 122, the partition 123, the first cavity 124, the second cavity 125, the outer air inlet 1211, the protective cover 1212, the switch hole 1213, the second vent hole 1214, the inner air inlet 1221, the air outlet 1222, the air deflector 1223, the air duct 1224, the sub-cavity 1225, the connecting seat 1226, the buckle cover 1227, the heat dissipation port 1231, the first vent hole 1232, the soft rubber sleeve 141, the connecting part 142, the bending shaping hose 143, the metal fixing sheet 144); a fan 20; a battery 30; a switch key 40; circuit board 50 (among others, switch 51).

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention does not limit the number of the element to one, and may include a plurality of the elements.

The utility model provides a hang neck fan can be used to wear at human neck. As shown in fig. 1 to 4, the neck hanging fan according to the preferred embodiment of the present invention includes a neck wearing frame 10, a fan 20, a battery 30, a switch button 40 and a circuit board 50, wherein the fan 20, the battery 30 and the circuit board 50 are disposed in the neck wearing frame 10. A cavity corresponding to the fan 20 is formed in the neck wear rack 10, the battery 30 is installed in the neck wear rack 10, and the fan 20 and the battery 30 are electrically connected to a circuit board 50 in the neck wear rack 10, respectively, to provide power for the operation of the fan 20. The switch button 40 is provided on the neck wear stand 10 for switching on and off the electrical connection between the fan 20 and the battery 30 to perform the function of switching the fan 20.

The neck wear frame 10 includes two shells 12 and a flexible connecting section 14, wherein the two shells 12 are connected to two ends of the flexible connecting section 14. The fans 20 are provided in two and respectively located in the two housings 12, for example, at an end of the housing 12 remote from the flexible connecting section 14. The neck wear rack 10 in the illustrated embodiment includes two shells 12, in other embodiments, only one shell 12 may be provided, two ends of the flexible connecting section 14 are respectively connected to two sides of the shell 12, so as to form a complete ring shape, a fan 20 is provided in the shell 12, the side wall of the shell 12 is provided with an air outlet and an air inlet corresponding to the fan 20, and air generated during operation of the fan blows air to cool the human body.

In the present embodiment, since the two housings 12 have the same structure and are symmetrical to each other, only one housing 12 will be described as an example.

In the illustrated embodiment, the housing 12 includes an inner housing 122 and an outer housing 121 that snap together, with the inner housing 122 and the outer housing 121 forming a cavity of the housing 12 therebetween. Thus, the outer side wall of the neck wear rack 10 is referred to herein as the outer shell 121 of the shell 12, and the inner side wall of the neck wear rack 10 is referred to herein as the inner shell 122 of the shell 12.

Each housing 12 includes an outer housing 121, an inner housing 122, and a partition 123, the partition 123 is disposed in a cavity formed by the outer housing 121 and the inner housing 122, and the partition 123 extends along a length direction of the housing 12 to divide the cavity into a first cavity 124 near the outer housing 121 and a second cavity 125 near the inner housing 122. More specifically, the partition 123 is connected to the inner side of the outer side wall of the neck wear frame 10, that is, connected to the inner side wall of the outer shell 121, and the partition 123 extends along the length direction and the width direction of the shell 12, that is, the plate surface of the partition 123 extends along the width direction of the shell 12, so that a first cavity 124 is formed between the outer side surface of the partition 123 and the outer shell 121, and a second cavity 125 is formed between the inner side surface of the partition 123 and the inner wall of the inner shell 122, that is, the first cavity 124 and the second cavity 125 are spaced apart along the thickness direction of the shell 12. The spacer 123 is fixedly connected to the inner side wall of the outer housing 121 by means of a snap or screw locking, for example. In other embodiments, the partition 123 may also be configured to divide the cavity in the housing into a first cavity 124 and a second cavity 125 arranged at intervals along the width direction of the housing, the neck wearing frame 10 may also be an integrally formed structure, or the neck wearing frame 10 includes an inflexible hard connecting section and a housing connected at two ends of the hard connecting section, or the neck wearing frame 10 does not include the flexible connecting section 14, and is directly formed by the housing 12, the cavity is formed in the housing 12, the two fans 20 are respectively disposed at two ends of the cavity formed by the housing 12, the partition 123 extends along the length direction of the housing 12 to divide the cavity into the first cavity 124 and the second cavity 125, and two ends of the partition 123 are close to the two fans 20.

An external air inlet 1211 is formed at a position corresponding to the fan 20 outside the outer casing 121. In the illustrated embodiment, the outer air inlet 1211 located on the outer side wall of the outer casing 121 has a grid structure, and a protective cover 1212 is further disposed at the outer air inlet 1211, and the protective cover 1212 can be connected to the grid structure of the outer air inlet 1211 by, for example, snapping, so as to cover the outer air inlet 1211 and form a gap with the outer air inlet 1211, so that the outer air can enter the casing 12 through the outer air inlet 1211 from the gap. The protective cap 1212 may be made of a different metal material than the housing 12, and the arrangement of the protective cap 1212 may prevent impurities, such as hair, from falling into the fan 20 through the external air inlet 1211 to affect the usability of the fan 20, and may also make the appearance of the product more beautiful. A fan 20 is mounted to an end of the housing 12.

The outer casing 121 is further provided with a switch hole 1213, the outer side wall of the outer casing 121 is provided with a switch button 40, and the switch button 40 is used for triggering the switch 51 on the circuit board 50 and controlling the start and stop of the fan 20. In the illustrated embodiment, the switch button 40 is a button-type switch, a switch hole 1213 is formed on an outer side wall of the outer casing 121, and the switch button 40 is installed in the switch hole 1213 and protrudes out of an outer side surface of the outer casing 121 for a user to press.

The inner housing 122 is provided with an inner air inlet 1221, an air outlet 1222, an air deflector 1223, a connecting seat 1226 and a fastening cover 1227.

The inner air inlet 1221 is opened at a position corresponding to the fan 20 inside the inner case 122. The air deflector 1223 is disposed in the second cavity 125 at the inner housing 122 side to further divide the second cavity 125 into the air duct 1224 and the sub-cavity 1225. The air duct 1224 is in communication with the fan 20, an air outlet 1222 is disposed on a sidewall of the housing 12 corresponding to the air duct 1224, and the air outlet 1222 is in communication with the air duct 1224 and the exterior of the housing 12. The housing 12 is provided with air inlets (an outer air inlet 1211 and an inner air inlet 1221) corresponding to the fan 20, so that air generated by the operation of the fan 20 is blown out of the air outlet 1222 through the air duct 1224. Due to the double separation function of the partition 123 and the air deflector 1223 on the cavity in the housing 12, the volume of the air duct 1224 can be effectively reduced, the air generated by the fan 20 is more concentrated after entering the air duct 1224, the air is more gathered, and the air blown out from the air outlet 1222 is stronger, so that the user can enjoy cool air, and the user experience is improved.

The two sides of the air deflector 1223 are respectively connected to the inner side wall of the casing 12 and the inner side surface of the partition 123, and the air deflector 1223 extends along the length direction and the thickness direction of the casing 12, that is, the plate surface of the air deflector 1223 extends along the thickness direction of the casing 12. In this embodiment, one side of the air deflector 1223 is integrally connected to the inner sidewall of the inner casing 122, and the other side of the air deflector 1223 is tightly abutted to the sidewall of the partition 123, so as to divide the second cavity 125 into the air duct 1224 and the sub-cavity 1225 which are spaced apart along the width direction of the casing 12. In other embodiments, one side of the air deflector 1223 may be integrally connected to the partition 123, and the other side of the air deflector 1223 is tightly abutted to the inner sidewall of the inner casing 122, so as to divide the second cavity 125 into the air duct 1224 and the sub-cavity 1225 which are spaced apart along the width direction of the casing 12.

In this embodiment, the air deflector 1223 divides the second cavity into an air duct 1224 and a sub-cavity 1225, in another embodiment, the air duct includes a first air duct and a second air duct, the air deflector 1223 extends along the length direction of the housing and divides the second cavity 125 into the first air duct and the second air duct, and the side walls of the first air duct and the second air duct are respectively provided with the air outlet, so that the neck hanging fan can perform double-side air outlet, the air outlet range is wider, and the use by a user is facilitated.

In the illustrated embodiment, the air outlet 1222 is disposed on the housing 12 in an area between the fan 20 and the flexible connecting section 14, the air outlet 1222 is disposed in a plurality and is disposed along an inner sidewall of the housing 12, that is, along a length direction of the inner housing 122, and specifically, the plurality of air outlets 1222 are disposed on an upper side of the inner housing 122 corresponding to an area of the air duct 1224. In other embodiments, the air outlet 1222 may be disposed at other positions of the inner housing 122 corresponding to the area of the air duct 1224. In the illustrated embodiment, the partition 123 and the air deflector 1223 are both streamlined plate-shaped pieces that are adapted to the extending shape of the housing 12, and one ends of the partition 123 and the air deflector 1223 that are close to the fan 20 are both designed as smooth inclined surfaces, so that wind energy generated by the fan 20 flows into the air duct 1224 more smoothly, and noise generated when the wind strikes the air deflector 1223 and the partition 123 is effectively reduced.

It should be noted that the air inlet can be disposed on the inner side wall and/or the outer side wall of the housing 12 corresponding to the position of the fan 20. In this embodiment, the inner side wall and the outer side wall of the casing 12 corresponding to the position of the fan 20, that is, the inner casing 122 and the outer casing 121, are both provided with air inlets, and in other embodiments, the air inlets may be only provided on the inner side wall or the outer side wall of the casing 12 corresponding to the position of the fan 20.

The flexible connection section 14 includes a bending shaped hose 143 and a soft rubber sleeve 141 covering the bending shaped hose 143. When the flexible connecting section 14 is connected with the shell 12, the outer surface of the soft rubber sleeve 141 is in smooth transition connection with the outer surface of the shell 12.

The flexible connecting section 14 can enable the neck wear rack 10 to adjust the air outlet direction of the air outlet 1222 by bending and twisting, so that the air from the air outlet 1222 can be blown to different parts of the human body, such as the neck or the face. The bending and shaping hose 143 can be shaped in any shape by bending, twisting, etc., and the shape of the soft rubber sleeve 141 can be changed along with the change of the bending shape of the bending and shaping hose 143. The bending-shaped hose 143 may be a metal hose, a coil, or a shaped steel wire, which can make the flexible connection section 14 have a bending memory function, and can be shaped in the shape after bending. The soft rubber sleeve 141 can be made of soft rubber materials such as TPU soft rubber.

The two ends of the flexible connecting section 14 are respectively connected with the shell 12 in a locking way. More specifically, the two ends of the soft rubber sleeve 141 are respectively provided with a connecting portion 142 for extending into the connecting end of the housing 12, and the end of the bending and shaping hose 143 and the connecting portion 142 penetrate into the connecting end of the housing 12 during installation and are locked and connected with the outer housing 121 by screws through the metal fixing piece 144. The metal fixing plate 144 is a fixing plate structure, the metal fixing plate 144 is arched towards one side to form a groove, screw holes are formed at two ends of the metal fixing plate 144, the bending shaping hose 143 is accommodated in the groove of the metal fixing plate 144 during installation, and screws penetrate through the screw holes of the metal fixing plate 144 to be locked and connected to the screw holes formed at the adjacent end of the outer shell 121 and the flexible connecting section 14, so that the locking connection between the flexible connecting section 14 and the outer shell 121 is realized.

In the illustrated embodiment, the inner housing 122 further includes a cover 1227, a mounting groove is formed on an inner side wall of the inner housing 122 in a region corresponding to the screw, for example, a connection end portion of the inner housing 122, a head portion of the screw is located in the mounting groove after the screw is mounted to the outer housing 121, and the cover 1227 is connected to the mounting groove in a snap-fit manner to shield the screw from being exposed, so that the product appearance is more attractive.

The double locking mechanism of the locking connection between the flexible connecting section 14 and the outer shell 121 and the locking connection between the shell 12 and the flexible connecting section 14 makes the connection between the flexible connecting section 14 and the shell 12 more stable, so that the neck wear frame 10 is structurally firm.

In the illustrated embodiment, the batteries 30 are provided in two, the two batteries 30 are respectively disposed in the first cavities 124 of the two housings 12, and the circuit board 50 can be disposed in the first cavity 124 of one of the housings 12 and adjacent to the corresponding battery 30. In order to help the battery 30 and the circuit board 50 dissipate heat, a heat dissipating opening 1231 is formed on the partition 123, and the heat dissipating opening 1231 communicates the air duct 1224 with the accommodating space of the battery 30 and the circuit board 50 in the first cavity 124. In the illustrated embodiment, the heat dissipation opening 1231 and the battery 30 are disposed in a staggered manner (i.e., the projection of the battery 30 on the partition 123 does not overlap with the heat dissipation opening 1231), the heat dissipation opening 1231 is a plurality of heat dissipation holes, and a part of the wind in the wind channel 122 can enter the accommodating space between the battery 30 and the circuit board 50 in the first cavity 124 through the heat dissipation opening 1231 and then exit from the first ventilation hole 1232 and/or the second ventilation hole 1214, so as to take away the heat generated by the battery 30 and the circuit board 50. The first ventilation hole 1232 is formed in the partition 123, and communicates with the air duct 1224 at a position of the first cavity 124 away from the accommodating space of the battery 30 and the circuit board 50, so that heat generated by the battery 30 and the circuit board 50 is guided in the first cavity and then brought into the air duct 1224 to be blown out of the air outlet 1222, thereby dissipating heat. The second ventilation hole 1214 is formed in the outer housing 121 to communicate the first cavity 124 with the outside and the accommodation space far away from the battery 30 and the circuit board 50, so as to guide the heat generated by the battery 30 and the circuit board 50 in the first cavity and then take the heat out of the housing 12, thereby dissipating the heat. In the illustrated embodiment, the heat dissipation opening 1231 is a plurality of circular heat dissipation holes, and in other embodiments, the heat dissipation opening 1231 may also be a heat dissipation opening having at least one elongated opening.

Referring to fig. 5 to 8, a neck hanging fan according to another preferred embodiment of the present invention includes a neck wearing frame 10, a fan 20, a battery 30, a switch button 40 and a circuit board 50, wherein the fan 20, the battery 30 and the circuit board 50 are disposed in the neck wearing frame 10. A cavity corresponding to the fan 20 is formed in the neck wear rack 10, the battery 30 is installed in the neck wear rack 10, and the fan 20 and the battery 30 are electrically connected to a circuit board 50 in the neck wear rack 10, respectively, to provide power for the operation of the fan 20. The switch button 40 is provided on the neck wear stand 10 for switching on and off the electrical connection between the fan 20 and the battery 30 to perform the function of switching the fan 20.

The neck wear frame 10 includes two shells 12 and a flexible connecting section 14, wherein the two shells 12 are connected to two ends of the flexible connecting section 14. The fans 20 are provided in two and respectively located in the two housings 12, for example, at an end of the housing 12 remote from the flexible connecting section 14. The structure of the flexible connecting section 14 is the same as in the first preferred embodiment and will not be described in detail here.

A fan 20 is mounted to an end of the housing 12. Each housing 12 includes an outer housing 121, an inner housing 122, and a partition 123, the partition 123 is disposed in a cavity formed by the outer housing 121 and the inner housing 122, and the partition 123 extends along a length direction of the housing 12 to divide the cavity into a first cavity 124 near the outer housing 121 and a second cavity 125 near the inner housing 122. The structure of the outer housing 121 and the inner housing 122 is substantially the same as that of the first embodiment, except that the partition 123 is not provided with the first ventilation hole and the outer housing 121 is not provided with the second ventilation hole, the battery 30 is disposed corresponding to the heat dissipation opening 1231 and exposed in the heat dissipation opening, that is, the projection of the battery 30 on the partition 123 overlaps the heat dissipation opening 1231, and preferably, the size of the heat dissipation opening 1231 is equal to that of the battery 30, and the battery 30 is disposed on the partition 123 to close the heat dissipation opening 1231. Correspondingly, in the illustrated embodiment, the heat dissipation opening 1231 on the partition 123 is a rectangular opening for accommodating the battery 30, the battery 30 is accommodated in the rectangular opening and just blocks the opening, and the surface of the battery 30 facing the second cavity 125 is flush with the surface of the partition 123, so that the air flows through the air duct 1224 more smoothly, the heat dissipation opening 1231 exposes a part of the battery 30 in the air duct 1224, and heat generated by the battery 30 enters the air duct 1224 through the heat dissipation opening 1231 and is blown out of the air outlet 1222, so as to dissipate the heat.

In other embodiments, the size of the heat dissipation opening 1231 may be smaller than the size of the battery 30, the battery 30 is attached to the side surface of the partition 123 and blocks the heat dissipation opening 1231, and at least a portion of the battery 30 is exposed in the heat dissipation opening 1231, so that the heat generated by the battery 30 enters the air duct 1224 from the heat dissipation opening and is carried away by the air.

To sum up, the utility model provides a neck hanging fan, which is characterized in that a heat dissipation port is arranged on a separator in a neck wearing frame, a first cavity body provided with a battery is communicated with an air channel of the fan, a part of air in the air channel can enter the first cavity body from the heat dissipation port, and heat generated by the battery and a circuit board can also enter the air channel through the heat dissipation port, thereby taking away the heat; the partition piece can be provided with a first vent hole which is communicated with the air duct and a position, far away from the accommodating space of the battery and the circuit board, in the first cavity, so that heat generated by the battery and the circuit board is brought into the air duct and blown out of the air outlet, and heat is dissipated; the outer side wall of the shell can be provided with a second vent hole, the second vent hole is communicated with the accommodating space and the outside of the first cavity far away from the battery and the circuit board, and heat generated by the battery and the circuit board is taken out of the shell, so that heat dissipation is realized. Therefore, the heat generated by the battery and the circuit board of the neck hanging fan in the working process can be dissipated in time, so that the problem that the local temperature of the neck hanging fan is too high after the neck hanging fan works for a long time is avoided, the using effect of the neck hanging fan is not influenced, and the influence of long-time high-temperature work on the service life of the battery can be avoided.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The utility model provides a hang neck fan, includes can be used to wear the frame and set up in the frame is worn to the neck and for the fan in the frame is worn to the neck and for the battery of fan power supply, the neck is worn to be formed with in the frame with the cavity that the fan corresponds, its characterized in that: the neck wear rack is characterized in that a partition is arranged in the cavity and divides the cavity into a first cavity and a second cavity, the battery is arranged in the first cavity, the fan is arranged corresponding to the second cavity, an air channel for air generated by the operation of the fan to pass through is formed in the second cavity, a heat dissipation port for communicating the air channel with the first cavity is formed in the partition, an air outlet communicated with the air channel is formed in the side wall of the neck wear rack corresponding to the air channel, and the air generated by the operation of the fan is blown out of the air outlet after passing through the air channel.

2. The neck hanging fan as claimed in claim 1, wherein: the heat dissipation opening is formed in the partition and arranged in a staggered mode with the battery, and the heat dissipation opening comprises a plurality of heat dissipation holes or at least one elongated opening.

3. The neck hanging fan as claimed in claim 1, wherein: the heat dissipation opening is formed in the partition and arranged corresponding to the battery, and at least part of the battery is exposed out of the heat dissipation opening.

4. The neck hanging fan as claimed in claim 3, wherein: the side of separator with the battery subsides are established, perhaps the battery holds in the heat dissipation mouth and the battery towards the surface of second cavity with the surface of separator is flush.

5. The neck hanging fan as claimed in any one of claims 1 to 4, wherein: the partition is provided with a first ventilation hole, the first ventilation hole is communicated with the first cavity and the air channel, and at least part of air generated by operation of the fan enters the first cavity from the heat dissipation port and then flows out from the first ventilation hole.

6. The neck hanging fan as claimed in any one of claims 1 to 4, wherein: the outer side wall of the neck wearing frame is provided with a second vent hole, the second vent hole is communicated with the first cavity and the outside, and at least part of wind generated by the operation of the fan enters the first cavity from the heat dissipation port and then flows out of the first cavity through the second vent hole.

7. The neck hanging fan as claimed in any one of claims 1 to 4, wherein: the neck is worn the frame and is included two casings, the fan sets up to two, two the fan sets up respectively in two the tip of casing, each be formed with respectively in the casing with the fan corresponds the cavity, each be equipped with respectively in the cavity the separator, the casing corresponds the fan still is equipped with the air intake.

8. The neck hanging fan as claimed in claim 7, wherein: the second cavity is internally provided with an air deflector which extends along the length direction of the shell and divides the second cavity into the air duct and the sub-cavities, and a plurality of air outlets are arranged along the length direction of the shell; or

The second cavity is internally provided with an air deflector, the air channel comprises a first air channel and a second air channel, the air deflector extends along the length direction of the shell and divides the second cavity into the first air channel and the second air channel, and the side walls of the first air channel and the second air channel are respectively provided with the air outlets.

9. The neck hanging fan as claimed in claim 8, wherein: one side of the air deflector is integrally connected with the inner wall of the neck wearing frame, and the other side of the air deflector is abutted against the separator; or

One side of the air deflector is integrally connected with the separator, and the other side of the air deflector is abutted against the inner wall of the neck wearing frame.

10. The neck hanging fan as claimed in claim 9, wherein: the neck hanging fan further comprises a circuit board which is electrically connected with the battery and the fan respectively, the circuit board is arranged in the first cavity of at least one of the shells, and the circuit board is arranged close to the battery.

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