CN215372776U

CN215372776U - Noise-reduction spraying equipment with sound function

Info

Publication number: CN215372776U
Application number: CN202120919370.0U
Authority: CN
Inventors: 林峰章; 邓炳新
Original assignee: Guangdong Kegao Electronics Co ltd
Current assignee: Guangdong Kegao Electronics Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-31
Anticipated expiration: 2031-04-29

Abstract

The embodiment of the utility model discloses noise-reduction spraying equipment with an acoustic function, which comprises a base, a loudspeaker sound cavity shell, a fan, a partition plate and an atomization assembly, wherein the loudspeaker sound cavity shell is provided with a sound cavity; the horn is arranged in a horn sound cavity shell, the horn sound cavity shell is arranged in the base, and the atomization assembly is arranged above the base; the atomization assembly and the base are separated by the separation plate; the loudspeaker sound cavity shell is provided with a fan accommodating groove which is recessed towards the interior of the sound cavity of the loudspeaker sound cavity shell, and the fan is arranged in the fan accommodating groove; the partition plate is provided with an air outlet interface, the air outlet of the fan is connected with the air outlet interface, and the base is provided with an air inlet. By adopting the utility model, the air inlet channel of the fan is formed by a narrower channel formed by the gap between the horn sound cavity shell and the partition plate, so that the noise generated by the fan can be prevented from being directly transmitted to the outside from the air inlet, and the noise reduction effect is achieved.

Description

Noise-reduction spraying equipment with sound function

Technical Field

The utility model relates to spraying equipment, in particular to noise-reducing spraying equipment with a sound function.

Background

Existing spraying devices, such as humidifiers, aromatherapy machines, etc., typically use an ultrasonic generator to atomize the liquid, and then blow the atomized gas out by a fan. In such products, the fan is usually installed at the lower part of the base, and air is directly fed through the air inlet below the base and then introduced into the atomizing mechanism. The noise value of the product is about 30-38dB, and the noise value is still larger when the product is used in a quieter room. For household products such as aromatherapy machines, the purchaser generally has a high requirement on the quality of the household, for example, when the aromatherapy machine with a sound function plays soothing music and then carries out scenes such as meditation, the environmental noise has a large influence on the user. Therefore, it is necessary to control the noise of the spraying device to meet the demands of more application scenarios.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem of large noise of the existing spraying equipment, the embodiment of the utility model provides the noise-reducing spraying equipment with the sound function, which can reduce the noise generated by the equipment and improve the user experience.

In order to solve the technical problem, the embodiment of the utility model provides noise reduction spraying equipment with an audio function, which comprises a base, a loudspeaker sound cavity shell, a fan, a partition plate and an atomization assembly, wherein the loudspeaker is arranged in the loudspeaker sound cavity shell; the horn is arranged in a horn sound cavity shell, the horn sound cavity shell is arranged in the base, and the atomization assembly is arranged above the base; the atomization assembly and the base are separated by the separation plate; the loudspeaker sound cavity shell is provided with a fan accommodating groove which is recessed towards the interior of the sound cavity of the loudspeaker sound cavity shell, and the fan is arranged in the fan accommodating groove; the partition plate is provided with an air outlet port, an air outlet of the fan is connected with the air outlet port, and the base is provided with an air inlet; the fan drives air to enter from the air inlet, enters the fan accommodating groove through a gap between the horn sound cavity shell and the partition plate, blows out from the air outlet port of the partition plate after passing through the fan, enters the atomization assembly, and blows out mist generated by the atomization assembly.

As an improvement of the above scheme, the atomization assembly comprises a water tank, an upper cover and an atomizer, the water tank comprises a water tank body and a water tank supporting part, the upper cover comprises an inner cover body and an outer cover body, the inner cover body is matched with the water tank body, and the outer cover body is matched with the water tank supporting part.

As an improvement of the scheme, the water tank supporting part is provided with a first air outlet hole, and the inner layer cover body is provided with a second air outlet hole; an upper air outlet channel is formed by the first air outlet hole, the gap between the inner layer cover body and the outer layer cover body and the second air outlet hole.

As the improvement of the scheme, the partition plate is further provided with a downward recessed wind pressure containing cavity, the water tank supporting part corresponds to the wind pressure containing cavity, a pressurizing cavity with a gradually-reduced section is arranged at the wind pressure containing cavity, and the top of the pressurizing cavity is provided with the first air outlet.

As an improvement of the scheme, the lower end of the pressurizing cavity extends into the wind pressure containing cavity, and the wind pressure containing cavity is communicated with the air outlet through a space between the partition plate and the water tank body.

As an improvement of the scheme, a first air inlet plane is arranged at the upper part of the loudspeaker sound cavity shell, a second air inlet plane which is balanced with the first air inlet plane and is at a preset distance away from the first air inlet plane is arranged on the partition plate, and an air inlet gap is formed between the first air inlet plane and the second air inlet plane.

As an improvement of the scheme, an atomization control plate is arranged in a space between the partition plate and the water tank body, and the air outlet is arranged right opposite to the atomization control plate.

As an improvement of the scheme, the air inlets are circumferentially arranged on the base layer by layer.

As an improvement of the scheme, the surface of the air inlet is provided with a cloth wrapping layer.

The embodiment of the utility model has the following beneficial effects:

this scheme is located loudspeaker sound chamber casing's fan holding tank with the fan, fan drive air follows the air intake gets into, gets into through the clearance between loudspeaker sound chamber casing and the division board in the fan holding tank, follow behind the fan the air-out interface of division board blows out, gets into the atomizing assembly, blows out the fog that the atomizing assembly produced. The air inlet channel of fan comprises the comparatively narrow passageway that the clearance between loudspeaker sound chamber casing and the division board formed, can prevent that the noise that the fan produced from directly transmitting to the external world from the air intake, plays noise reduction effect. Through tests, the noise value of the spraying device adopting the structure can be reduced to below 25 dB.

In addition, this scheme hides the fan in loudspeaker sound chamber casing, and when loudspeaker during operation, loudspeaker sound chamber casing can be along with the sound wave vibrations that loudspeaker produced, and the vibrations of loudspeaker sound chamber casing offset with the vibrations of fan, can prevent that the noise of fan from forming the end of the environment and making an uproar, reduces the interference to the sound that loudspeaker sent, and the sound effect is more pure, penetrating.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a noise-reducing spraying device with an acoustic function according to the present invention;

FIG. 2 is a top view of a noise-reducing spray apparatus with an audible function according to the present invention;

FIG. 3 is a cross-sectional view taken along the plane BB of FIG. 2;

FIG. 4 is a schematic view of the internal structure of FIG. 2 taken along the AA plane;

fig. 5 is an enlarged view of a portion a of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.

As shown in fig. 1-4, the embodiment of the present invention provides a noise reduction spraying apparatus with an audio function, which includes a base 1, a speaker 2, a speaker sound cavity housing 3, a fan 4, a partition plate 5 and an atomization assembly 6; the horn 2 is arranged in the horn sound cavity shell 3, the horn sound cavity shell 3 is arranged in the base 1, and the atomization assembly 6 is arranged above the base 1; the atomization assembly 6 and the base 1 are separated by the partition plate 5; the horn sound cavity shell 3 is provided with a fan accommodating groove 31 recessed towards the interior of the sound cavity, and the fan 4 is arranged in the fan accommodating groove 31; the partition plate 5 is provided with an air outlet port 51, the air outlet 41 of the fan 4 is connected with the air outlet port 51, and the base 1 is provided with an air inlet 11; the fan 4 drives air to enter from the air inlet 11, enters the fan accommodating groove 31 through a gap between the horn sound cavity shell 3 and the partition plate 5, blows out from the air outlet port 51 of the partition plate 5 after passing through the fan 4, enters the atomization assembly 6, and blows out mist generated by the atomization assembly 6.

This scheme is located loudspeaker sound chamber casing 3's fan holding tank 31 with fan 4 in, fan 4 drive air follows air intake 11 gets into, and the clearance between loudspeaker sound chamber casing 3 and division board 5 gets into in the fan holding tank 31, follow behind fan 4 the air-out interface 51 of division board 5 blows out, gets into atomizing assembly 6 in, blows out the fog that atomizing assembly 6 produced. The air inlet channel of the fan 4 is formed by a narrow channel formed by a gap between the horn sound cavity shell 3 and the partition plate 5, so that noise generated by the fan 4 can be prevented from being directly transmitted to the outside from the air inlet 11, and the noise reduction effect is achieved. Through tests, the noise value of the spraying device adopting the structure can be reduced to below 25 dB. In addition, this scheme hides fan 4 in loudspeaker sound chamber casing 3, when loudspeaker 2 at the during operation, loudspeaker sound chamber casing 3 can be along with the sound wave vibrations that loudspeaker 2 produced, the vibrations of loudspeaker sound chamber casing 3 offset with the vibrations of fan 4, can prevent that the vibration noise of fan 4 from outwards transmitting through the bearing structure who is connected with it, avoid the bottom of fan 4's noise formation environment to make an uproar, reduce the interference to the sound that loudspeaker 2 sent, also make the sound effect more pure, it is penetrating.

The atomization assembly 6 comprises a water tank 61, an upper cover 62 and an atomizer 63, the water tank 61 comprises a water tank body 611 and a water tank support portion 612, the upper cover 62 comprises an inner cover 621 and an outer cover 622, the inner cover 621 is matched with the water tank body 611, and the outer cover 622 is matched with the water tank support portion 612.

As shown in fig. 5, the water tank supporting portion 612 is provided with a first air outlet 613, and the inner cover 621 is provided with a second air outlet 623; the first air outlet 613, the gap between the inner cover 621 and the outer cover 622, and the second air outlet 623 constitute an upper air outlet channel. Adopt double-deck lid structure, can directly form the wind channel through the lid, let in water tank 61 from upper cover 62 with the wind that base 1 produced through the wind channel in, spout through the nozzle 623 of lid central authorities at last, the structure is exquisite compact, and an organic whole nature is strong.

In order to avoid the noise generated by the fan 4 from being directly transmitted to the outside through the air outlet channel, the partition plate 5 is further provided with a wind pressure chamber 52 recessed downward, the water tank supporting portion 612 is provided with a pressurizing cavity 614 with a gradually decreasing cross section corresponding to the wind pressure chamber 52, and the top of the pressurizing cavity 614 is provided with the first air outlet 613. The wind blown by the fan 4 passes from a chamber with larger volume into the wind pressure containing chamber 52 with smaller volume, and the wind pressure begins to increase; subsequently, the air is introduced into the pressurizing chamber 614, and the air pressure flowing therethrough is further increased due to the gradual reduction of the cross-sectional area of the pressurizing chamber 614, and is finally discharged from the first discharging hole 613. After entering the gap between the inner cover 621 and the outer cover 622, the pressure is slightly reduced and the air flow is slightly slowed. Through the change of air-out pressure, the intensity that the noise outwards transmitted through the air is reduced to realize the noise reduction effect.

Preferably, the lower end of the pressurizing chamber 614 extends into the wind pressure receiving chamber 52, and the wind pressure receiving chamber 52 is communicated with the wind outlet 41 through a space between the partition plate 5 and the water tank body 611. Because the lower end of the pressurized cavity 614 extends into the air pressure cavity 52, the air entering the pressurized cavity 614 must first enter the air pressure cavity 52 downward and then detour upward into the pressurized cavity 614, and the noise will collide with the cavity wall during the detour process to be attenuated, thereby further reducing the noise.

Preferably, the upper portion of the horn sound cavity housing 3 is provided with a first air inlet plane 32, the partition plate 5 is provided with a second air inlet plane 53 which is balanced with the first air inlet plane 32 and has a predetermined distance, and an air inlet gap is formed between the first air inlet plane 32 and the second air inlet plane 53. An air inlet gap is formed between the first air inlet plane 32 and the second air inlet plane 53, the air inlet gap is used for reflecting noise between the two planes, the outward transmitted noise value is reduced, air can enter the position of the fan 4 from the square ring, and the air inlet wind resistance is reduced while the noise is reduced.

Preferably, an atomization control plate 64 is arranged in a space between the partition plate 5 and the water tank body 611, the air outlet 41 is opposite to the atomization control plate 64, and air blown out by the fan 4 also has an effect of cooling the atomization control plate 64, so that the long-term normal operation of the equipment is ensured.

Preferably, the air inlets 11 are fine round holes, and they are circumferentially arranged on the base 1 layer by layer. Preferably, a cloth wrapping layer (not shown) is disposed on the surface of the air inlet 11. The cloth wrapping layer can be formed by integrally wrapping cloth on the surface of the base 1 and can also be arranged corresponding to the air inlet 11. The cloth wrapping layer has a pressure reduction function and cannot generate sharp sound, so that the inlet air achieves the silencing effect.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. A noise reduction spraying device with an acoustic function is characterized by comprising a base, a loudspeaker sound cavity shell, a fan, a partition plate and an atomization assembly;

the horn is arranged in a horn sound cavity shell, the horn sound cavity shell is arranged in the base, and the atomization assembly is arranged above the base;

the atomization assembly and the base are separated by the separation plate;

the loudspeaker sound cavity shell is provided with a fan accommodating groove which is recessed towards the interior of the sound cavity of the loudspeaker sound cavity shell, and the fan is arranged in the fan accommodating groove;

the partition plate is provided with an air outlet port, an air outlet of the fan is connected with the air outlet port, and the base is provided with an air inlet;

the fan drives air to enter from the air inlet, enters the fan accommodating groove through a gap between the horn sound cavity shell and the partition plate, blows out from the air outlet port of the partition plate after passing through the fan, enters the atomization assembly, and blows out mist generated by the atomization assembly.

2. A noise-reducing spraying apparatus with an audible function as claimed in claim 1, wherein the atomizing assembly includes a water tank, an upper cover and an atomizer, the water tank includes a water tank body and a water tank support portion, the upper cover includes an inner cover body and an outer cover body, the inner cover body is disposed to cooperate with the water tank body, and the outer cover body is disposed to cooperate with the water tank support portion.

3. The acoustic-function noise-reduction spraying apparatus as claimed in claim 2, wherein the water tank supporting portion is provided with a first air outlet hole, and the inner cover body is provided with a second air outlet hole; an upper air outlet channel is formed by the first air outlet hole, the gap between the inner layer cover body and the outer layer cover body and the second air outlet hole.

4. A noise-reducing atomizer according to claim 3, wherein said partition plate further has a downwardly recessed wind pressure chamber, said water tank supporting portion has a pressurizing chamber with a gradually decreasing cross-section corresponding to said wind pressure chamber, and said first air outlet is formed at the top of said pressurizing chamber.

5. A noise-reducing spraying device with an audio function as claimed in claim 4, wherein the lower end of the pressurizing chamber extends into the wind pressure chamber, and the wind pressure chamber is communicated with the air outlet through a space between the partition plate and the water tank body.

6. The noise-reducing spraying apparatus with a sounding function as claimed in claim 1, wherein the speaker sound chamber housing has a first air inlet plane at an upper portion thereof, the partition plate has a second air inlet plane balanced with the first air inlet plane and spaced apart from the first air inlet plane by a predetermined distance, and an air inlet gap is formed between the first air inlet plane and the second air inlet plane.

7. The noise-reducing spraying device with the sound function of claim 1, wherein an atomization control plate is arranged in a space between the partition plate and the water tank body, and the air outlet is arranged opposite to the atomization control plate.

8. A noise-reducing spraying apparatus with an audible function as claimed in claim 1, wherein the air inlets are circumferentially arranged in layers on the base.

9. A noise-reducing spraying apparatus with an audible function as claimed in claim 1, wherein a cloth coating layer is provided on the surface of the air inlet.