CN211550038U

CN211550038U - Side air-out type neck hanging fan

Info

Publication number: CN211550038U
Application number: CN201922311560.XU
Authority: CN
Inventors: 杨伟煜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-22
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a side air-out type neck hanging fan, which comprises a fan main body and two air outlet arms, wherein the fan main body comprises a shell and an air blowing component, and the air blowing component comprises a motor and fan blades arranged at the shaft end of the motor; one air outlet arm is connected to the left side of the shell, the other air outlet arm is connected to the right side of the shell, the inner walls of the two air outlet arms are hollow to form air cavities, the air cavities of the two air outlet arms are respectively communicated with the shell, and the sectional areas of the air cavities of the two air outlet arms are respectively transited from large to small from the shell to the direction far away from the shell; and a plurality of air holes communicated with the air cavity for air outlet are arranged on the air outlet arm at intervals, and the motor drives the fan blades to generate air to be blown out from the air holes. Through set up inductor and treater in hanging neck formula fan, make opening of fan more intelligent with the gear is adjusted, adopt the mode of side air-out simultaneously, make the people neck obtain all-round heat dissipation, improved the use experience nature of fan.

Description

Side air-out type neck hanging fan

Technical Field

The utility model belongs to the technical field of the fan technique and specifically relates to indicate a neck fan is hung to side air-out formula.

Background

The fan is one of the most used electrical appliances for daily people, not only can accelerate the circulation of air, but also can bring coolness to people, but the traditional fan has a large volume and can only be placed indoors for use. The miniaturized hanging neck type fan appears at present, the volume is obviously reduced compared with the traditional fan, the weight is light, the fan is particularly suitable for being carried out, and people can be cooled anytime and anywhere especially when the fan runs on a road in hot summer. The neck-hung fan can only control the opening and closing of the fan through keys, cannot be automatically started and stopped according to the use situation, and is not intelligent enough; in addition, such fans usually need to be pressed to adjust gears, and after each off-state, the fan restores to the original gear, and after the fan is turned on again, the gears need to be adjusted again, so that the operation is inconvenient. Moreover, such fans usually rely on small fans hung on the two sides of the arc-shaped support member to blow air, and the annular support member cannot blow air, so that the two sides of the neck of a person cannot be cooled sufficiently. Therefore, improvements should be made to such fans to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a side-blowing type neck hanging fan, which comprises a sensor for sensing the temperature of the human body or the distance between the human body and the fan, and a processor for storing the last gear adjustment of the fan and restoring the last gear when the fan is turned on again; make opening and gear adjustment of fan more intelligent, adopt the mode of side air-out simultaneously, make the people neck obtain all-round heat dissipation, improved the use experience nature of fan.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a side air-out type neck hanging fan comprises a fan main body used for providing an air source and two air outlet arms with elasticity, wherein the fan main body comprises a shell and a blowing assembly arranged in the shell, and the blowing assembly comprises a motor and fan blades arranged at the shaft end of the motor; one air outlet arm is connected to the left side of the shell, the other air outlet arm is connected to the right side of the shell, the inner walls of the two air outlet arms are hollow to form air cavities, the air cavities of the two air outlet arms are respectively communicated with the shell, and the sectional areas of the air cavities of the two air outlet arms are respectively transited from large to small from the shell to the direction far away from the shell; and a plurality of air holes communicated with the air cavity for air outlet are arranged on the air outlet arm at intervals, and the motor drives the fan blades to generate air to be blown out from the air holes.

As a preferred embodiment: the fan control device is arranged on the fan main body or the air outlet arm and comprises a circuit board, an inductor and a button, wherein the inductor is used for controlling the start and stop of the motor by sensing the temperature of a human body or the distance between the human body and the fan, and the button is used for manually turning off the fan and adjusting gears; the circuit board is provided with a controller which can store the last operating gear of the fan, recover the last gear and collect control instructions when the fan is turned on again, and the inductor, the keys and the motor are respectively connected with the controller; and a charging interface is arranged on the circuit board.

As a preferred embodiment: the sensor is an infrared sensor, a distance sensor or a temperature sensor.

As a preferred embodiment: the control device is mounted on the fan main body.

As a preferred embodiment: a battery for supplying power to the motor is mounted in the housing.

As a preferred embodiment: the fan also comprises an indicator light, an indicator light key for controlling the indicator light is arranged on the fan main body or the air outlet arm, the indicator light key is connected with the circuit board, and the brightness of the indicator light changes along with the gear of the fan.

As a preferred embodiment: and the tail ends of the two air outlet arms are respectively provided with an air hole for preventing air in the air cavity from flowing back.

As a preferred embodiment: the plurality of air holes are arranged on one side of the air outlet arm, which faces towards the neck of a person, and are obliquely and downwards arranged.

As a preferred embodiment: the fan main body is internally provided with a negative ion generator for generating negative ions, and the negative ions generated by the negative ion generator are blown out of the air outlet assembly through the air holes.

As a preferred embodiment: two air outlet assemblies are arranged in the fan main body, and the two air outlet assemblies are in one-to-one correspondence with the two air outlet arms.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, through set up the inductor that accessible response human body temperature or distance between human and the fan in hanging neck formula fan to the setting can be stored the fan and adjusted the gear last time and resume the treater of gear last time when the fan is opened once more. Therefore, when the fan is used, the fan can be started as long as the fan is hung on the neck, so that the button type operation is avoided, and the fan is more intelligent; meanwhile, the last gear can be automatically recovered, and the adjustment-free mode is entered, so that the use habit of a user can be adapted by opening the fan. In addition, the button is provided for manual operation, different use requirements of users can be met, and the use experience of the fan is improved. Moreover, the side face of the hanging neck type fan is provided with the air holes, so that air can be blown to the neck of a person to cool the neck of the person, and the experience of the fan is improved. To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the fan of the present invention;

fig. 2 is a schematic view of the fan of the present invention.

The attached drawings indicate the following:

10. fan body 11 and casing

12. Blower assembly 121 and motor

122. Fan blade 13 and negative ion generator

14. Indicator light 15, indicator light button

20. Air outlet arm 21 and air cavity

22. Air hole 30 and control device

31. Circuit board 311 and processor

312. Plug-in interface 32 and inductor

33. A key 40, and a battery.

Detailed Description

The utility model discloses as shown in fig. 1 and fig. 2, a neck fan is hung to side air-out formula, including fan main part 10, two that are used for providing the wind regime have elastic play wind arm 20 and be used for controlling the fan and open controlling means 30 who stops, wherein:

the fan main body 10 includes a casing 11 (the outside of the casing 11 may be coated with a silica gel coat), and a blowing assembly 12 installed in the casing 11, where the blowing assembly 12 includes a motor 121 and a fan blade 122 installed at an axial end of the motor 121 (it should be noted that, there may be two air outlet assemblies 12 in the fan main body 10, and the two air outlet assemblies 12 correspond to the two air outlet arms 20 one by one); one of the air outlet arms 20 is connected to the left side of the shell 11, the other air outlet arm 20 is connected to the right side of the shell 11, the inner walls of the two air outlet arms 20 are hollow to form air cavities 21, the air cavities 21 of the two air outlet arms 20 are respectively communicated with the shell 11, and the sectional areas of the air cavities 11 of the two air outlet arms 20 are respectively transited from large to small from the shell 11 to the direction far away from the shell 11; and a plurality of air holes 22 communicated with the air chamber 11 for air outlet are arranged on the air outlet arm 20 at intervals (in this embodiment, the plurality of air holes 22 are arranged on one side of the air outlet arm 20 facing the neck of the person, the plurality of air holes 22 are all arranged obliquely downward, the motor 121 drives the fan blades 122 to generate air to blow to the neck of the person through the air holes 22), and in addition, the tail ends of the two air outlet arms 20 are respectively provided with the air holes 22 for preventing the air in the air chamber 21 from flowing back. The fan body 10 is provided with a negative ion generator 13 for generating negative ions, the negative ions generated by the negative ion generator 13 are blown out from the air outlet assembly 12 through the air holes 22, and the negative ion generator 13 is connected to the control device 30.

The control device 30 is installed on the fan main body 10 or the air outlet arms 20 (in this embodiment, the control device 30 is installed on the fan main body 10, or on one of the air outlet arms 20 or on both the fan main body 10 and the air outlet arms 20 as required); the control device 30 includes a circuit board 31, a sensor 32 for sensing a temperature of a human body or a distance between the human body and the fan, and a button 33 for manually operating the fan and adjusting a gear.

The circuit board 31 is installed inside the fan main body 10, the circuit board 31 is provided with a processor 311 (the processor 311 is a single chip processor and has a memory function) for storing the last gear of the fan and recovering the last gear when the fan is turned on again, and can collect the instructions of the sensor 32 and the key 33 to control the start and stop of the fan and the adjustment of the gear, and a plug-in interface 312 for connecting a power supply; the sensor 32 is disposed on the fan main body 10 (or on the air outlet arm 20), and is connected to the processor 31; the sensor 32 is used for sensing a temperature of a human body or a distance between the human body and the fan (the sensor 32 may be an infrared sensor, a distance sensor or a temperature sensor, which is mainly used for sensing a signal and then sending an instruction to the processor 311); the button 33 is disposed on the fan body 10 for manually operating the fan, and the button 33 and the motor 121 are respectively connected to the processor 311. A battery 40 for supplying power to the motor 121 is mounted in the fan main body 10, and the battery 40 is connected to the motor 121, the processor 311, and the plug interface 312. An indicator light 14 and an indicator light key 15 for controlling the indicator light 14 are further disposed on the fan main body 10 or the air outlet arm 20, the indicator light key 15 is connected to the processor 311 and the indicator light 14, the indicator light 14 is connected to the processor 311, and the brightness of the indicator light 14 varies with the fan gear.

The use method and the principle of the fan are as follows: after the fan is sleeved on the neck, the sensor 32 senses a signal (when there is a shelter or when the sensor senses that the temperature or the distance range is consistent with the set temperature or the distance range), the sensor 32 sends an instruction to the processor 311, and the processor 311 controls the motor 121 to start. Meanwhile, the user can directly control the starting and stopping of the motor 121 through the operation of the key 33. The processor 311 of the fan can store the last gear adjustment of the fan and restore the last gear when the fan is turned on again, so that the last gear of the fan can be automatically restored when the fan is started, thereby satisfying the use habit of a user without readjusting the gear of the fan.

Meanwhile, manual mode adjustment can be performed through the key 33, the key 33 is pressed under the condition that the fan is started in an induction mode, the next gear is started, and when the maximum gear is adjusted, pressing is continued, and the fan is turned off. If the fan is started by the key 33, the key 33 specifically operates as follows: the fan is started by pressing, and the gear mode is the gear mode in the last use; then entering a next gear mode; after the maximum gear is adjusted, the fan is turned off (the number of gears can be set according to requirements). When the fan is turned off, the fan is taken down from the neck (when the sensor 32 does not sense the shielding object or senses that the temperature or the distance is not within the preset range, the sensor 32 sends an instruction to the processor 311, and the processor 311 turns off the fan) or the operation is directly performed by the key 33. The indicator light 14 can change brightness along with gear change, and the indicator light key 15 can control the brightness and the opening and the closing of the indicator light 14. During charging, the power supply and the plug-in interface 312 are connected by a charging wire.

The utility model discloses a design is key in, through set up the inductor of accessible response human temperature or distance between human and the fan in hanging neck formula fan to the setting can be stored the fan and adjusted the gear last time and resume the treater of the gear last time promptly when the fan is opened once more. Therefore, when the fan is used, the fan can be started as long as the fan is hung on the neck, so that the button type operation is avoided, and the fan is more intelligent; meanwhile, the last gear can be automatically recovered, and the adjustment-free mode is entered, so that the use habit of a user can be adapted by opening the fan. In addition, the button is provided for manual operation, different use requirements of users can be met, and the use experience of the fan is improved. Moreover, the side face of the hanging neck type fan is provided with the air holes, so that air can be blown to the neck of a person to cool the neck of the person, and the experience of the fan is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a neck fan is hung to side air-out formula which characterized in that: the fan comprises a fan main body used for providing an air source and two air outlet arms with elasticity, wherein the fan main body comprises a shell and a blowing assembly arranged in the shell, and the blowing assembly comprises a motor and fan blades arranged at the end of the motor shaft; one air outlet arm is connected to the left side of the shell, the other air outlet arm is connected to the right side of the shell, the inner walls of the two air outlet arms are hollow to form air cavities, the air cavities of the two air outlet arms are respectively communicated with the shell, and the sectional areas of the air cavities of the two air outlet arms are respectively transited from large to small from the shell to the direction far away from the shell; and a plurality of air holes communicated with the air cavity for air outlet are arranged on the air outlet arm at intervals, and the motor drives the fan blades to generate air to be blown out from the air holes.

2. The side-blowing neck hanging fan according to claim 1, characterized in that: the fan control device is arranged on the fan main body or the air outlet arm and comprises a circuit board, an inductor and a button, wherein the inductor is used for controlling the start and stop of the motor by sensing the temperature of a human body or the distance between the human body and the fan, and the button is used for manually turning off the fan and adjusting gears; the circuit board is provided with a controller which can store the last operating gear of the fan, recover the last gear and collect control instructions when the fan is turned on again, and the inductor, the keys and the motor are respectively connected with the controller; and a charging interface is arranged on the circuit board.

3. The side-blowing neck hanging fan according to claim 2, characterized in that: the sensor is an infrared sensor, a distance sensor or a temperature sensor.

4. The side-blowing neck hanging fan according to claim 2, characterized in that: the control device is mounted on the fan main body.

5. The side-blowing neck fan of claim 4, wherein: a battery for supplying power to the motor is mounted in the housing.

6. The side-blowing neck hanging fan according to claim 2, characterized in that: the fan also comprises an indicator light, an indicator light key for controlling the indicator light is arranged on the fan main body or the air outlet arm, the indicator light key is connected with the circuit board, and the brightness of the indicator light changes along with the gear of the fan.

7. The side-blowing neck hanging fan according to claim 1, characterized in that: and the tail ends of the two air outlet arms are respectively provided with an air hole for preventing air in the air cavity from flowing back.

8. The side-blowing neck hanging fan according to claim 1, characterized in that: the plurality of air holes are arranged on one side of the air outlet arm, which faces towards the neck of a person, and are obliquely and downwards arranged.

9. The side-blowing neck hanging fan according to claim 1, characterized in that: the fan main body is internally provided with a negative ion generator for generating negative ions, and the negative ions generated by the negative ion generator are blown out of the air outlet assembly through the air holes.

10. The side-blowing neck hanging fan according to claim 1, characterized in that: two air outlet assemblies are arranged in the fan main body, and the two air outlet assemblies are in one-to-one correspondence with the two air outlet arms.