CN218717607U

CN218717607U - PWM frequency control fan

Info

Publication number: CN218717607U
Application number: CN202222734544.3U
Authority: CN
Inventors: 谢孟训
Original assignee: Dongguan Aikang Industrial Co ltd
Current assignee: Dongguan Aikang Industrial Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-03-24
Anticipated expiration: 2032-10-15

Abstract

The utility model discloses a PWM frequency control fan, including a fan frame, one side fixed mounting of fan frame has the power cover, and inner wall one side fixed mounting of power cover has the motor, and the output shaft fixed mounting of motor has the dwang, and the dwang runs through and extends to in the fan frame, and the dwang is located the one end fixed mounting of fan frame and has the flabellum, and the inner wall of power cover is equipped with adjustment mechanism, and adjustment mechanism includes, pivot, diaphragm, the board of stopping and the piece of stopping, and inner wall one side of power cover is rotated and is connected with the pivot, and the one end that the power cover was kept away from in the pivot is rotated and is connected with the diaphragm, the utility model relates to a PWM frequency control fan, when needing to flabellum frequency control, electric putter starts, can drive the push pedal rebound, will make the diaphragm be swing motion around the pivot, can drive the board rebound of stopping, and the board rebound that stops drives the piece of stopping and the dwang laminating, can slow down to the dwang, and reach the frequency control effect to the flabellum.

Description

PWM frequency control fan

Technical Field

The utility model relates to a PWM frequency control fan technical field, in particular to PWM frequency control fan.

Background

The fan is a device which is driven by electricity to generate air flow, and the fan arranged in the fan rotates after being electrified, and mechanical energy is converted into wind energy, so that the fan is converted into natural wind to achieve a cool effect.

The frequency that the fan started to rotate when rotatory is fixed mostly, is also fixed at the wind-force of rotation like this, when needs produce bigger wind-force to it, needs the manual regulation switch of getting this moment, and the operation is not in the aspect of like this, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PWM frequency control fan to the problem of being not convenient for adjust the pivoted frequency of fan after the fan that proposes in the above-mentioned background of the solution rotates.

In order to achieve the above object, the utility model provides a following technical scheme: a PWM frequency control fan comprises a fan frame, wherein a power cover is fixedly installed on one side of the fan frame, and a heat dissipation hole is formed in one side, far away from the fan frame, of the power cover;

the utility model discloses a power cover, including power cover, inner wall one side fixed mounting of power cover has the motor, the output shaft fixed mounting of motor has the dwang, just the dwang runs through and extends to in the fan frame, the dwang is located the one end fixed mounting of fan frame and has the flabellum, the inner wall of power cover is equipped with adjustment mechanism, and adjustment mechanism includes, pivot, diaphragm, the board of stopping and the piece of stopping, inner wall one side of power cover is rotated and is connected with the pivot, the one end that the power cover was kept away from in the pivot is rotated and is connected with the diaphragm, one side fixedly connected with board of stopping of diaphragm, the one side fixed mounting that the diaphragm was kept away from to the board of stopping has the piece of stopping, the piece of stopping links up with the dwang.

As a preferred technical scheme of the utility model, inner wall one side fixed mounting of power cover has electric putter, electric putter's output shaft fixed mounting has the push pedal, the push pedal links up with the diaphragm.

As an optimal technical scheme of the utility model, inner wall one side fixed mounting of fan frame has the temperature control stick, temperature control stick and electric putter electric connection.

As an optimized technical proposal of the utility model, a wiring groove is arranged on one side of the fan frame.

As a preferred technical scheme of the utility model, one side fixed mounting of fan frame has the fixed plate, one side of fixed plate is connected with the shrouding through the damping shaft.

As an optimized technical scheme of the utility model, the length of shrouding is greater than the width of trough.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a PWM frequency control fan:

1. when the electric wires need to be wired, the electric wires penetrate through the wiring grooves at the moment, the sealing plates fixed on the fixing plates are pushed, and when the sealing plates move to be attached to the wiring grooves, the wiring grooves can be sealed, so that the electric wires are prevented from leaking;

2. when the frequency of the fan blade needs to be adjusted, the electric push rod is started, the push plate can be driven to move upwards, the transverse plate can swing around the rotating shaft, the brake plate can be driven to move upwards, the brake plate moves upwards to drive the brake piece to be attached to the rotating rod, the rotating rod can be decelerated, and the frequency adjusting effect of the fan blade is achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a rear view structural diagram of the fan frame of the present invention;

fig. 3 is a schematic sectional view of the power cover of the present invention.

In the figure: 1. a fan frame; 2. a power cover; 3. heat dissipation holes; 4. a motor; 5. rotating the rod; 6. a fan blade; 7. a wiring duct; 8. a fixing plate; 9. closing the plate; 10. a temperature control rod; 11. a rotating shaft; 12. a transverse plate; 13. braking the plate; 14. a brake sheet; 15. an electric push rod; 16. and (3) pushing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In a first embodiment, please refer to fig. 1-3, the present invention provides a PWM frequency control fan, which includes a fan frame 1, a power cover 2 is fixedly installed on one side of the fan frame 1, and a heat dissipation hole 3 is formed on one side of the power cover 2 away from the fan frame 1;

inner wall one side fixed mounting of power cover 2 has motor 4, the output shaft fixed mounting of motor 4 has dwang 5, and dwang 5 runs through and extends to in the fan frame 1, the one end fixed mounting that dwang 5 is located fan frame 1 has flabellum 6, the inner wall of power cover 2 is equipped with adjustment mechanism, and adjustment mechanism includes, pivot 11, diaphragm 12, stop board 13 and the piece 14 of stopping, inner wall one side of power cover 2 is rotated and is connected with pivot 11, the one end that power cover 2 was kept away from to pivot 11 is rotated and is connected with diaphragm 12, one side fixedly connected with of diaphragm 12 stops board 13, the one side fixed mounting that diaphragm 12 was kept away from to board 13 of stopping has the piece 14 of stopping, the piece 14 of stopping links up with dwang 5.

Embodiment two, according to fig. 1, as shown in fig. 2 and fig. 3, inner wall one side fixed mounting of power cover 2 has electric putter 15, output shaft fixed mounting of electric putter 15 has push pedal 16, push pedal 16 links up with diaphragm 12, electric putter 15 drives push pedal 16 and moves the effect downwards, push pedal 16 moves downwards makes diaphragm 12 rotate around pivot 11, and drive the braking piece 14 on the braking board 13 and adjust the effect to dwang 5, inner wall one side fixed mounting of fan frame 1 has temperature control stick 10, temperature control stick 10 and electric putter 15 electric connection, temperature control stick 10 plays and tests the effect to the temperature, trough 7 has been seted up to one side of fan frame 1, trough 7 is convenient for walk the line effect to the electric wire, one side fixed mounting of fan frame 1 has fixed plate 8, one side of fixed plate 8 is connected with shrouding 9 through the damping axle, fixed plate 8 is to shrouding 9 fixed effect, the length of shrouding 9 is greater than the width of trough 7, shrouding 9 carries out the spacing effect of shutoff to trough 7, prevent that the electric wire in the trough 7 from leaking.

When specifically using, the utility model relates to a PWM frequency control fan, starter motor 4 can drive dwang 5 and rotate, dwang 5 rotates and will make and fix flabellum 6 on dwang 5 and rotate, when needing to carry out flabellum 6 rotational speed regulation to it, the control by temperature change stick 10 is to the temperature detection back in the fan frame 1, after 15 back is given for electric putter in the transmission, start electric putter 15 and can drive push pedal 16 downstream, will extrude diaphragm 12 and be swing motion around pivot 11, can drive the piece 14 of stopping and the laminating of dwang 5 through the board 13 of stopping, and reach and slow down the effect to dwang 5, can reach and adjust the effect to flabellum 6, consequently the utility model discloses simple structure, the modern design can slow down through dwang 5, and reach and adjust the effect to flabellum 6 frequencies.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PWM frequency control fan comprises a fan frame (1), wherein a power cover (2) is fixedly installed on one side of the fan frame (1), and a heat dissipation hole (3) is formed in one side, far away from the fan frame (1), of the power cover (2);

its characterized in that, inner wall one side fixed mounting of power cover (2) has motor (4), the output shaft fixed mounting of motor (4) has dwang (5), just dwang (5) run through and extend to in fan frame (1), one end fixed mounting that dwang (5) are located fan frame (1) has flabellum (6), the inner wall of power cover (2) is equipped with adjustment mechanism, and adjustment mechanism includes, pivot (11), diaphragm (12), brake board (13) and brake piece (14), inner wall one side rotation of power cover (2) is connected with pivot (11), the one end rotation that power cover (2) were kept away from in pivot (11) is connected with diaphragm (12), one side fixedly connected with diaphragm board (13) of (12), one side fixed mounting that diaphragm (12) were kept away from in board (13) of stopping has piece (14) of stopping, it links up with dwang piece (5) to stop piece (14).

2. The PWM frequency controlled fan according to claim 1, wherein: the power cover is characterized in that an electric push rod (15) is fixedly mounted on one side of the inner wall of the power cover (2), a push plate (16) is fixedly mounted on an output shaft of the electric push rod (15), and the push plate (16) is connected with the transverse plate (12).

3. The PWM frequency controlled fan according to claim 2, wherein: a temperature control rod (10) is fixedly mounted on one side of the inner wall of the fan frame (1), and the temperature control rod (10) is electrically connected with the electric push rod (15).

4. The PWM frequency controlled fan according to claim 1, wherein: a wiring groove (7) is formed in one side of the fan frame (1).

5. The PWM frequency controlled fan according to claim 4, wherein: one side fixed mounting of fan frame (1) has fixed plate (8), one side of fixed plate (8) is connected with shrouding (9) through the damping axle.

6. The PWM frequency controlled fan of claim 5, wherein: the length of the sealing plate (9) is larger than the width of the wiring groove (7).