CN213450909U

CN213450909U - DC brushless fan and driving device

Info

Publication number: CN213450909U
Application number: CN202020805348.9U
Authority: CN
Inventors: 施政亿; 林玠錞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-06-15
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a brushless fan of direct current and drive arrangement. The driving device comprises a shell, a direct current brushless motor, a control unit, a direct current input interface, an adaptive unit, an alternating current input interface and an electricity storage piece. The shell is provided with a first part and a second part, and the path range of the first part when orthographically projected towards the second part is defined as an installation range. The direct current input interface is configured in the installation range and is electrically connected with the control unit. The adapting unit is configured in the installation range and is electrically connected with the control unit. The alternating current input interface is arranged in the installation range and electrically connected with the adapting unit. The electric power storage part is detachably arranged on the shell, and when the electric power storage part is located on the safety device, the electric power storage part shields the alternating current input interface and is electrically connected with the direct current input interface. Therefore, the utility model provides a direct current brushless fan can not be subject to the environmental condition that needs have the commercial power, lets the user more convenient in the use.

Description

DC brushless fan and driving device

Technical Field

The present invention relates to a fan, and more particularly to a dc brushless fan and a driving device thereof capable of providing electric energy through a battery or an alternating current (mains supply).

Background

The existing fan comprises a motor, a fan blade assembled on the motor, and a power input interface electrically connected with the motor, wherein the power input interface is electrically connected with a mains supply (alternating current), so that the motor can obtain electric energy to drive the fan blade to rotate. However, the conventional fan can only be electrically connected to the commercial power to enable the motor to obtain electric energy, but when the user is in a use environment (for example, outdoors) without the commercial power, the user must extend the commercial power to the use environment by an extension cord for the fan to use, so that the conventional fan is easily limited by the conditions of the use environment, which causes inconvenience in use.

The present inventors have considered that the above-mentioned drawbacks can be improved, and have made intensive studies and use of scientific principles, and finally have proposed a novel and effective method for improving the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a not enough direct current brushless fan and drive arrangement to prior art is provided, the defect that current fan probably produced can be improved effectively.

The embodiment of the utility model discloses direct current brushless fan, it includes: a fan base; a fan blade configured in the fan seat; and a driving device, set up in the said fan seat and with the said flabellum is connected, the said driving device can drive the said flabellum rotates, the said driving device includes: the casing is arranged on the fan base, is in an L shape and is provided with a first part and a second part, the first part is provided with a driving space, and the second part is provided with a configuration space communicated with the driving space; wherein, the path range of the first part when orthographically projected towards the second part is defined as an installation range; a DC brushless motor disposed in the driving space, the DC brushless motor being connected to the fan blades; the control unit is arranged at the second part and is electrically connected with the direct current brushless motor; the adaptive unit is arranged in the configuration space, at least more than 80% of the adaptive unit is positioned in the installation range, and the adaptive unit is electrically connected with the control unit; the alternating current input interface is arranged on the second part and is configured in the installation range, the alternating current input interface is electrically connected with the adapting unit, and the alternating current input interface is used for electrically connecting a commercial power; a direct current input interface arranged at the second part and configured in the installation range, wherein the direct current input interface is electrically connected with the control unit; and the electricity storage part is detachably arranged at the mounting position of the second part, and when the electricity storage part is positioned in the safety device, the electricity storage part shields the alternating current input interface and is electrically connected with the direct current input interface.

Preferably, the second portion has two mounting ribs arranged at intervals on a side away from the first portion; the outer edge of the electricity storage part is provided with two installation grooves which are arranged at intervals, and the electricity storage part is in sliding connection with the two installation ribs through the two installation grooves, so that the electricity storage part is fixed at the installation position.

Preferably, the direct current input interface is provided with a plugging part, and the plugging part is exposed outside the shell; the electricity storage part is provided with a connecting groove corresponding to the inserting part, and when the electricity storage part is located at the installation position, the connecting groove can be in butt joint with the inserting part, so that the electricity storage part is electrically connected with the direct current input interface.

Preferably, when the power storage member is located at the mounting position, at least 55% of the power storage member is located within the mounting range.

Preferably, the first portion is substantially cylindrical, a plurality of long holes communicating with the driving space are radially opened on an outer circumferential edge of the first portion, and the plurality of long holes are arranged at intervals in a ring shape; the side surface of the first part, which is far away from the second part, is provided with a plurality of openings communicated with the driving space, and the plurality of openings are arranged in an annular interval mode.

Preferably, the control unit has an operation portion exposed outside the housing, and the control unit can control the dc brushless motor through the operation portion.

The embodiment of the utility model provides a also disclose a drive arrangement for the flabellum of a drive fan rotates, drive arrangement includes: the shell is L-shaped and is provided with a first part and a second part, the first part is provided with a driving space, and the second part is provided with a configuration space communicated with the driving space; wherein, the path range of the first part when orthographically projected towards the second part is defined as an installation range; a DC brushless motor disposed in the driving space, the DC brushless motor being connected to the fan blades; the control unit is arranged at the second part and is electrically connected with the direct current brushless motor; the adaptive unit is arranged in the configuration space, at least more than 80% of the adaptive unit is positioned in the installation range, and the adaptive unit is electrically connected with the control unit; the alternating current input interface is arranged on the second part and is configured in the installation range, the alternating current input interface is electrically connected with the adapting unit, and the alternating current input interface is used for electrically connecting a commercial power; a direct current input interface arranged at the second part and configured in the installation range, wherein the direct current input interface is electrically connected with the control unit; and the electricity storage part is detachably arranged at the mounting position of the second part, and when the electricity storage part is positioned in the safety device, the electricity storage part shields the alternating current input interface and is electrically connected with the direct current input interface.

To sum up, the utility model discloses an one of them beneficial effect lies in, the utility model provides a brushless fan of direct current and drive arrangement can pass through alternating current input interface reaches direct current input interface is as providing direct current brushless motor's power makes drive arrangement can not only use commercial power (alternating current) as the electric energy outside indoor environment, also can use in outdoor environment (the environment of lacking the commercial power) battery (direct current) as the electric energy. In view of the above, let the utility model provides a direct current brushless fan can not be subject to the environmental condition that needs have the commercial power, lets the user more convenient in the use.

For a further understanding of the features and technical content of the present invention, reference should be made to the following detailed description and accompanying drawings, which are only intended to illustrate the present invention, and not to limit the scope of the present invention.

Drawings

Fig. 1 is a schematic perspective view of a dc brushless fan according to the present invention.

Fig. 2 is an exploded view of the dc brushless fan according to the present invention.

Fig. 3 is a schematic circuit block diagram of a driving device of a dc brushless fan according to the present invention.

Fig. 4 is an exploded view of the driving device of the dc brushless fan according to the present invention.

Fig. 5 is a perspective view of a driving device of a dc brushless fan according to the present invention.

Fig. 6 is a cross-sectional view of the cross-section line VI-VI of fig. 5.

Detailed Description

The embodiments disclosed in the present invention are described below with reference to specific embodiments, and those skilled in the art can understand the advantages and effects of the present invention from the disclosure in the present specification. The present invention may be practiced or carried out in other different embodiments, and various modifications and changes may be made in the details of this description based on the different points of view and applications without departing from the spirit of the present invention. The drawings of the present invention are merely schematic illustrations, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.

It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are used primarily to distinguish one element from another element or from one signal to another signal. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be. Furthermore, the term "electrically coupled", as used herein, refers to one of "indirectly electrically connected" and "directly electrically connected".

Referring to fig. 1 to 6, the present embodiment discloses a dc brushless fan 100, where the dc brushless fan 100 includes a fan base 1, a fan blade 2 disposed in the fan base 1, and a driving device 3 disposed in the fan base 1 and connected to the fan blade 2. The following describes the structure of each component of the dc brushless fan 100, and describes the connection relationship between each component of the dc brushless fan 100.

It should be noted that the fan base 1, the fan blades 2, and the driving device 3 are defined as the dc brushless fan 100 in the present embodiment. However, the present invention is not limited thereto. For example, in other embodiments not shown in the present disclosure, the driving device 3 may be used alone (e.g., sold) or used with other components.

As shown in fig. 1 and fig. 2, the fan base 1 in this embodiment has a support portion 11 and a frame portion 12 pivotally connected to the support portion 11, and the frame portion 12 can be pivotally adjusted relative to the support portion 11, but the present invention is not limited to this embodiment. The fan blade 2 is disposed in the frame portion 12, the driving device 3 is disposed on the frame portion 12 and connected to the fan blade 2, and the driving device 3 can drive the fan blade 2 to rotate to generate an air flow.

Referring to fig. 3, 4 and 6, the driving device 3 includes a housing 31, a dc brushless motor 32 disposed in the housing 31, a control unit 33 disposed in the housing 31, an adapting unit 34 disposed in the housing 31, an ac input interface 35 disposed on the housing 31, a dc input interface 36 disposed on the housing 31, and an electricity storage element 37 assembled on the housing 31. Furthermore, the driving device 3 can provide electric energy to the driving device 3 for driving through two ways, i.e., the ac input interface 35 is electrically connected to ac power, or the dc input interface 36 is electrically connected to the power storage device 37. That is, the present invention is characterized in that the driving device 3 can be supplied with power by direct current and alternating current. In other words, any drive device (dc brushless fan) that does not have a power source supplied with dc power and ac power is not the drive device (dc brushless fan) of the present invention.

As shown in fig. 4 and 5, the housing 31 is disposed on the frame portion 12, and the housing 31 is L-shaped and has a first portion 311 and a second portion 312. In detail, in the present embodiment, the first portion 311 is substantially cylindrical and disposed in the frame portion 12, and the second portion 312 is substantially rectangular and disposed on the side of the frame portion 12, but the present invention is not limited to this embodiment. The first portion 311 has a driving space 3111, and the second portion 312 has a disposition space 3121 communicating with the driving space 3111. The second portion 312 has two mounting ribs 3122 spaced apart from each other on a side away from the first portion 311. Further, the path range of the first portion 311 when orthographically projected toward the second portion 312 is defined as an installation range R (as shown in fig. 6); that is, the range of the path along which the circumferential edge of the first portion 311 extends in the radial direction thereof toward the second portion 312 is the mounting range R.

Referring to fig. 4 again, a plurality of elongated holes 3112 communicating with the driving space 3111 are radially opened in the circumferential edge of the first portion 311, and the elongated holes 3112 are arranged at annular intervals. The first portion 311 has a plurality of openings 3113 communicating with the driving space 3111 on a side surface thereof away from the second portion 312, and the plurality of openings 3113 are arranged at intervals in a ring shape.

The dc brushless motor 32 is disposed in the driving space 3111 and connected to the fan blades 2. Specifically, the dc brushless motor 32 can drive the fan blades 2 to rotate, and can remove heat energy generated during operation through the plurality of slots 3112 and the openings 3113. In addition, the dc brushless fan 100 of the present invention drives the fan blade 2 through the dc brushless motor 32, that is, any fan that does not drive the fan blade 2 through the dc brushless motor 32, for example: a fan with a brush dc motor driving fan blades is not the dc brushless fan 100 of the present invention.

The control unit 33 is disposed at the second portion 312 and electrically connected to the dc brushless motor 32. In detail, the control unit 33 has an operation portion 331, the operation portion 331 is exposed outside the housing 31 (that is, a portion of the control unit 33 is located in the disposition space 3121), and the control unit 33 can control the on/off and the operation speed of the dc brushless motor 32 through the operation portion 331.

The adapting unit 34 is disposed in the disposing space 3121 and electrically connected to the control unit 33, and the adapting unit 34 can convert ac power into dc power for the dc brushless motor 32 to use. At least more than 80% of the adapting unit 34 is disposed in the mounting range R (as shown in fig. 6), so that the adapting unit 34 has more volume capable of approaching the extension area of the rotating shaft of the dc brushless motor 32, so as to reduce the oscillation of the adapting unit 34, and further avoid the friction or falling off of the circuit electrically connected to the adapting unit 34 due to the oscillation.

The ac input interface 35 is disposed on the second portion 312 and located within the installation range R (as shown in fig. 6), the ac input interface 35 is electrically connected to the adapting unit 34, and the ac input interface 35 is used for electrically connecting to a commercial power (not shown); accordingly, the ac input interface 35 can be closer to the extended position of the rotating shaft of the dc brushless motor 32, so as to reduce the oscillation of the ac input interface 35, and further avoid the circuit electrically connected to the ac input interface 35 from being rubbed or falling off due to the oscillation.

The dc input interface 36 is disposed at the second portion 312 and located within the installation range R (as shown in fig. 6), and the dc input interface 36 is electrically connected to the control unit 33; accordingly, the dc input interface 36 can be closer to the extending position of the rotating shaft of the dc brushless motor 32, so as to reduce the oscillation of the dc input interface 36, and further avoid the circuit electrically connected to the dc input interface 36 from being rubbed or falling off due to the oscillation. Further, the dc input interface 36 has a plug portion 361, and the plug portion 361 is exposed outside the housing 31 for electrically connecting the power storage member 37.

The power storage member 37 is detachably disposed at an installation position P of the second portion 312, and when the power storage member 37 is located at the installation position P, the power storage member 37 blocks the ac power input interface 35 and is electrically connected to the dc power input interface 36, so as to prevent a user from mistakenly electrically connecting the utility power to the ac power input interface 35 when the power storage member 37 (dc power) is used as electric power to be provided to the dc brushless motor 32.

Specifically, the outer edge of the power storage member 37 has two mounting grooves 371 spaced apart from each other and a connecting groove 372 corresponding to the mating portion 361, and the power storage member 37 is slidably engaged with the two mounting ribs 3122 of the second portion 312 through the two mounting grooves 371, so that the power storage member 37 is fixed to the mounting position P. When the power storage member 37 is located at the installation position P, the connection groove 372 can be abutted to the insertion part 361, so that the power storage member 37 is electrically connected to the dc power input interface 36, and at least 55% of the power storage member is disposed in the installation range R (as shown in fig. 6).

[ advantageous effects of the embodiments ]

To sum up, the utility model discloses an one of them beneficial effect lies in, the utility model provides a direct current brushless fan 100 and drive arrangement 3 can pass through alternating current input interface 35 reaches direct current input interface 36 is as providing direct current brushless motor 32's power makes drive arrangement 3 can not only use commercial power (alternating current) as the electric energy outside indoor environment, also can use in outdoor environment (the environment that lacks the commercial power) battery 37 (direct current) as the electric energy. Accordingly, the dc brushless fan 100 of the present invention is not limited by the environmental conditions of the commercial power, and is more convenient for the user to use.

The above is only the preferred feasible embodiment of the utility model, and is not used to limit the protection scope of the utility model, all should belong to the protection scope of the utility model in terms of the impartial change and the modification that the application patent range of the utility model was done.

Claims

1. A dc brushless fan, comprising:

a fan base;

a fan blade configured in the fan seat; and

a driving device disposed on the fan base and connected to the fan blades, the driving device being capable of driving the fan blades to rotate, the driving device comprising:

the casing is arranged on the fan base, is in an L shape and is provided with a first part and a second part, the first part is provided with a driving space, and the second part is provided with a configuration space communicated with the driving space; wherein, the path range of the first part when orthographically projected towards the second part is defined as an installation range;

a DC brushless motor disposed in the driving space, the DC brushless motor being connected to the fan blades;

the control unit is arranged at the second part and is electrically connected with the direct current brushless motor; the adaptive unit is arranged in the configuration space, at least more than 80% of the adaptive unit is positioned in the installation range, and the adaptive unit is electrically connected with the control unit;

the alternating current input interface is arranged on the second part and configured in the installation range, and is electrically connected with the adapting unit and used for electrically connecting a commercial power;

a DC input interface disposed at the second portion and configured within the mounting range,

the direct current input interface is electrically connected with the control unit; and

and the electricity storage part is detachably arranged at the mounting position of the second part, and when the electricity storage part is positioned in the safety device, the electricity storage part shields the alternating current input interface and is electrically connected with the direct current input interface.

2. The brushless dc fan of claim 1, wherein the second portion has two mounting ribs spaced apart on a side thereof away from the first portion; the outer edge of the electricity storage part is provided with two installation grooves which are arranged at intervals, and the electricity storage part is in sliding connection with the two installation ribs through the two installation grooves, so that the electricity storage part is fixed at the installation position.

3. The dc brushless fan of claim 1, wherein the dc input interface has a plug portion, and the plug portion is exposed outside the housing; the electricity storage part is provided with a connecting groove corresponding to the inserting part, and when the electricity storage part is located at the installation position, the connecting groove can be in butt joint with the inserting part, so that the electricity storage part is electrically connected with the direct current input interface.

4. The brushless dc fan of claim 1, wherein at least 55% of the power storage member is located within the mounting range when the power storage member is located at the mounting position.

5. The brushless dc fan according to claim 1, wherein the first portion has a substantially cylindrical shape, a plurality of elongated holes communicating with the driving space are radially formed in an outer circumferential edge of the first portion, and the plurality of elongated holes are arranged at annular intervals; the side surface of the first part, which is far away from the second part, is provided with a plurality of openings communicated with the driving space, and the plurality of openings are arranged in an annular interval mode.

6. The dc brushless fan of claim 1, wherein the control unit has an operation portion exposed outside the housing, and the control unit can control the dc brushless motor through the operation portion.

7. A driving device for driving a fan blade of a fan to rotate, the driving device comprising:

the shell is L-shaped and is provided with a first part and a second part, the first part is provided with a driving space, and the second part is provided with a configuration space communicated with the driving space; wherein, the path range of the first part when orthographically projected towards the second part is defined as an installation range;

the control unit is arranged at the second part and is electrically connected with the direct current brushless motor;

the adaptive unit is arranged in the configuration space, at least more than 80% of the adaptive unit is positioned in the installation range, and the adaptive unit is electrically connected with the control unit;

a direct current input interface arranged at the second part and configured in the installation range, wherein the direct current input interface is electrically connected with the control unit; and

8. The drive of claim 7, wherein the second portion has two mounting ribs spaced apart on a side thereof remote from the first portion; the outer edge of the electricity storage part is provided with two installation grooves which are arranged at intervals, and the electricity storage part is in sliding connection with the two installation ribs through the two installation grooves, so that the electricity storage part is fixed at the installation position.

9. The driving apparatus as claimed in claim 7, wherein the dc input interface has a plug portion exposed outside the housing; the electricity storage part is provided with a connecting groove corresponding to the inserting part, and when the electricity storage part is located at the installation position, the connecting groove can be in butt joint with the inserting part, so that the electricity storage part is electrically connected with the direct current input interface.

10. The drive device according to claim 7, characterized in that at least 55% of the power storage member is located within the mounting range when the power storage member is located at the mounting position.