CN213981287U - Portable fan - Google Patents

Abstract

The utility model provides a portable fan, include the fan main part, be used for supporting the support of fan main part, can dismantle the battery package of being connected and with battery package electric connection's control assembly with the fan main part, control assembly controls portable fan according to when starting up operating parameter moves before shutting down. The control assembly comprises a memory and a central processing module connected with the memory, and the memory stores the operating parameters before the fan is shut down. Compared with the prior art, the utility model discloses can control the fan according to the gear operation that the user set up before shutting down, adapt to operator's use custom, small, remove convenient and safe durable simultaneously, extensively be fit for the open air and use with the family.

Description

Portable fan

Technical Field

The utility model relates to a portable fan belongs to the electric fan field.

Background

The fan is a tool for blowing air to cool when the environment is hot, and the portable fan has the advantages of small volume, convenient movement, low power consumption, low price and the like.

The existing portable fan generally adopts a key mode to adjust the wind speed. However, when the fan is powered off and then turned on again for use, the wind speed needs to be readjusted, which cannot meet the use habit of the user and increases the number of operation steps.

In view of the above, it is necessary to provide a portable fan to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable fan to adaptation operator's use habit, portable simultaneously.

In order to achieve the above object, the present invention provides a portable fan, comprising a fan main body; a bracket for supporting the fan main body; the battery pack is detachably connected with the fan main body; the control assembly is arranged on the fan main body and is electrically connected with the battery pack; and the control component controls the portable fan to operate according to the operation parameters when the portable fan is started according to the operation parameters before the portable fan is stopped.

As a further improvement of the present invention, the control module includes a memory and a central processing module connected to the memory, and the memory is used for storing the operating parameters before the portable fan is shut down.

As a further improvement of the present invention, the control assembly includes an operation panel for the operator to set the operation parameters.

As a further improvement of the present invention, the operation panel includes a power key, a speed-adjusting key and a display module for displaying information corresponding to the operation parameters.

As a further improvement of the present invention, the fan body includes a fan housing, fan blades accommodated in the fan housing, a motor for driving the fan blades to rotate, and a base connected to the fan housing, wherein the fan blades are connected to an output end of a motor shaft of the motor; the control assembly is mounted on the base.

As a further improvement of the present invention, the battery pack is disposed at the rear end of the fan main body.

As a further improvement of the present invention, the battery pack is disposed on the central axis of the fan main body.

As a further improvement of the utility model, the support is provided with a hook, the movable joint of one end of the hook is arranged on the support.

As a further improvement of the present invention, the support includes a first support arm and a second support arm, and is provided at a connecting portion of end portions of the first support arm and the second support arm, the connecting portion with the fan main body pivotally connected.

As a further improvement of the utility model, the base is provided with and is used for holding the first holding chamber of control assembly with be used for the holding the second holding chamber of battery package, the second holding chamber is including supplying the inserted hole of battery package installation and with battery package complex sliding connection mechanism.

As a further improvement of the present invention, the top of the base is provided with a handle, and the handle is integrally formed with the base.

As a further improvement of the utility model, the base is equipped with USB charge-discharge mouth.

The utility model has the advantages that: the utility model discloses can control the fan and move according to the gear that the user set up before shutting down, adapt to operator's use custom, small, remove convenient and safe durable simultaneously, extensively be fit for the open air and use with the family.

Drawings

Fig. 1 is a structural diagram of the portable fan of the present invention.

Fig. 2 is an exploded view of the portable fan of the present invention.

Fig. 3 is a schematic structural diagram of the base of the present invention.

Fig. 4 is a system configuration diagram of the operation panel of fig. 1.

Fig. 5 is an interactive interface diagram of the operation panel of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the present invention discloses a portable fan 100, which comprises a fan main body 10, a support 20 for supporting the fan main body 10, a battery pack 40 detachably connected to the fan main body 10, and a control assembly 30 electrically connected to the battery pack 40, wherein the control assembly 30 controls the fan to operate according to the operation parameters before the fan is turned off according to the operation parameters before the fan is turned on.

As shown in fig. 1 and 2, the fan main body 10 includes a fan housing 11, fan blades 12, a motor 13, and a base 14, the fan blades 12 being accommodated in the fan housing 11 and connected to an output end of a motor shaft, the fan housing 11 being connected to the base 14; the control assembly 30 is mounted on the base 14. Further, the fan cover 11 comprises a front cover and a rear cover which are detachably connected, and the rear cover is provided with a motor 13 accommodating part; the base 14 is connected to the rear cover through a connector, and a first receiving cavity 141 is disposed on a side surface of the base 14 for receiving the control assembly 30. The motor 13 is a brushless motor to drive the fan blade 12 to rotate. The brushless motor has the advantages of low noise and smooth operation due to no carbon brush; meanwhile, the brushless motor has long service life and low maintenance cost.

Further, a horizontally disposed handle 15 is disposed on the base 14, and a user can conveniently carry or use the portable fan 100 by holding the handle 15. Preferably, the handle 15 is provided above the base 14 so that the operation panel 31 is operated by the thumb when the handle 15 is held by one hand. Preferably, the handle 15 is integrally formed with the base 14 for structural strength. The handle 15 may be connected to the base 14 by other connection means, which are not limited herein.

The bracket 20 is pivotally connected to the fan main body 10 so as to adjust the angle between the bracket 20 and the fan main body 10, thereby facilitating use in different application environments. The stand 20 includes first and second support arms 201 and 202, and a connection portion 21 provided at ends of the first and second support arms 201 and 202 for detachable connection with the rear cover. Preferably, the connecting portion 21 may be a nut and bolt combination, the bracket 20 may be fixed to the fan main body 10 by tightening the nut, and the bracket 20 may be detached by removing the nut. The connecting portion 21 may be detachably connected, but is not limited thereto. In the present embodiment, the bracket 20 has a U-shape, but is not limited thereto.

The support 20 is also provided with a shock pad 22 at the bottom of the support 20. When the portable fan 100 is stably placed in a work area by the bracket 20, the shock-absorbing pad 22 can reduce the shock of the portable fan 100 while reducing noise generated at a high rotation speed. For example, but not limiting of, a user may also use or carry the portable fan 100 with the hand-held stand 20. The bracket 20 further comprises a hook 23 for hanging, and the hook 23 is detachably connected with the bracket 20. Specifically, the hook 23 is S-shaped, and one end of the hook 23 is movably clamped on the bracket 20 to suspend the inverted fan in a special environment; the hook 23 can also be connected to the handle 15, at this time, the fan main body 10 is separated from the support 20, and the fan main body 10 is suspended through the hook 23, so that air blowing and heat dissipation are facilitated for a user.

The bracket 20 also includes a reinforcement 24 for increasing the structural strength of the bracket 20. The reinforcement portion 24 is coupled to the cushion 22 and fixes the position of the cushion 22 against sliding. The reinforcement portion 24 includes a bottom surface and a connecting member connected to the cushion 22, wherein the bottom surface of the reinforcement portion 24 is provided with a groove having an upward opening for receiving the hook 23.

As shown in fig. 1 to 5, the control unit 30 includes a memory for storing the wind speed level before power failure or shutdown, and a central processing module electrically connected to the memory, and the central processing module automatically adjusts the wind speed to a corresponding level at the next startup according to the wind speed level stored in the memory. The control assembly 30 also comprises an operating panel 31 for the operator to set the operating parameters, in this embodiment the speed of the motor 13 corresponding to different wind speed levels. The operation panel 31 includes a speed control key 33 connected to the central processing module through a speed control circuit, and a display module 34 connected to an output end of the central processing module, and the display module 34 is used for displaying information corresponding to the operation parameters. The control assembly 30 also includes a motor 13 control circuit connected to the central processing module for controlling the rotation of the fan motor 13. The central processing module controls power input through the power management circuit.

As shown in fig. 5, the operation panel 31 further includes a power key 32 for turning on and off the portable fan 100, and specifically, the portable fan 100 may be turned on when the power key 32 is pressed for a short time and may be turned off when the power key 32 is pressed for a long time. The speed regulating key 33 is used for regulating the wind speed level; preferably, the adjustable wind speed level comprises five levels. In the present embodiment, the display module 34 includes 5 LED lamps, and different display numbers of the LED lamps correspond to different driving speeds of the motor 13. In this embodiment, each time the speed adjusting key 33 is pressed, the display module 34 indicates the wind speed level corresponding to the user through the number of the turned-on LEDs. Without limitation, the display module 34 may also be used for fault indication, indicating different fault conditions based on the number of blinks or color of the indicator lights.

The utility model discloses a fan includes battery package 40 in order to provide driving motor 13's electric power, and fan main part 10 is connected to battery package 40 detachably. Preferably, the battery pack 40 is disposed at the rear end of the fan main body 10. Further, the battery pack 40 is located on the central axis a of the fan main body 10, so that the main body is compact and balanced in the center of gravity, and the vibration of the portable fan 100 during operation can be reduced, thereby reducing noise to some extent. Specifically, the battery pack 40 is slidably connected to the base 14, and a retaining mechanism is provided on the base 14 to secure the battery pack 40 so that it does not become loose during operation and cause interruption of power supply. The base 14 further includes a second receiving cavity 142 for receiving the battery pack 40, the second receiving cavity 142 includes an insertion opening for installing the battery pack 40 and a sliding connection mechanism matching with the battery pack 40, and the insert seat 143 is disposed in the second receiving cavity 142. When the battery pack 40 is fixed in the second receiving cavity 142, the plug sheet seat 143 is electrically connected to the battery pack 40 and electrically connected to a control circuit disposed in the control assembly 30, so as to output power of the battery pack 40. The second receiving cavity 142 includes an insertion opening for inserting the battery pack 40 and a heat dissipation opening for exposing most of the battery pack 40, and since the battery pack 40 is disposed on the central axis of the fan main body 10, the airflow generated by the fan blades 12 passes through the battery pack 40 during operation, which is beneficial to heat dissipation of the battery pack 40.

In this embodiment, the insertion opening is located at the top of the second accommodating cavity 142, two parallel guide rails are further disposed in the second accommodating cavity 142, and a sliding slot matched with the guide rails is disposed on the battery pack 40. The battery pack 40 is inserted into the second receiving cavity 142 from the insertion opening in a downward sliding manner in a direction perpendicular to the central axis a, and when the battery pack 40 needs to be detached, the battery pack 40 is slid from the lower side to the upper side, so that the battery pack 40 can be conveniently detached or installed. It is understood that the insertion direction of the battery pack 40 may be set to other directions. When the amount of electricity is exhausted, the battery pack 40 may be charged by a corresponding battery charger for reuse or replaced. The battery pack 40 can be used interchangeably with power sources used for electric tools such as electric drills and circular saws, and garden tools such as chain saws, pruners, and lawnmowers, and is very suitable for application and popularization in construction sites or gardening places. The battery pack 40 is provided with a power indicator 41 to enable a user to replace the battery or charge the battery through a battery charger in time.

Further, the base 14 may further be provided with a USB charging/discharging port electrically connected to the control circuit, so that the portable fan 100 may be driven by other power sources to charge the battery pack 40 on the machine, so as to adapt to various different situations.

To sum up, the utility model discloses can control the gear operation that the fan set up before according to the user shuts down, adapt to operator's use custom, small, remove convenient and safe durable simultaneously, extensively be fit for the open air and use with the family.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (12)

1. A portable fan, comprising:

a fan main body;

a bracket for supporting the fan main body;

the battery pack is detachably connected with the fan main body; and

the control assembly is arranged on the fan main body and is electrically connected with the battery pack;

and the control component controls the portable fan to operate according to the operation parameters when the portable fan is started according to the operation parameters before the portable fan is stopped.

2. The portable fan of claim 1, wherein: the control assembly comprises a memory and a central processing module connected with the memory, and the memory is used for storing the operating parameters of the portable fan before the portable fan is shut down.

3. The portable fan of claim 2, wherein: the control assembly includes an operator panel for operator setting of operating parameters.

4. The portable fan of claim 3, wherein: the operation panel comprises a power key, a speed regulation key and a display module for displaying information corresponding to the operation parameters.

5. The portable fan of claim 1, wherein: the fan main body comprises a fan cover, fan blades accommodated in the fan cover, a motor driving the fan blades to rotate and a base connected with the fan cover, wherein the fan blades are connected with the output end of a motor shaft of the motor; the control assembly is mounted on the base.

6. The portable fan of claim 1, wherein: the battery pack is arranged at the rear end of the fan main body.

7. The portable fan of claim 1, wherein: the battery pack is disposed on a central axis of the fan main body.

8. The portable fan of claim 1, wherein: the support is provided with a hook, and one end of the hook is movably clamped on the support.

9. The portable fan of claim 1, wherein: the support includes first support arm and second support arm, and sets up the connecting portion of the tip of first support arm and second support arm, connecting portion with fan main part pivotal connection.

10. The portable fan of claim 5, wherein: the base is provided with and is used for holding the first holding chamber of control assembly and is used for the holding the second holding chamber of battery package, the second holding chamber including supply the inserted hole of battery package installation and with battery package complex sliding connection mechanism.

11. The portable fan of claim 5, wherein: the top of base is equipped with the handle, the handle with base integrated into one piece.

12. The portable fan of claim 5, wherein: the base is provided with a USB charging and discharging port.

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