CN114391708B - Noise-reducing blower - Google Patents
Noise-reducing blower Download PDFInfo
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- CN114391708B CN114391708B CN202210060114.XA CN202210060114A CN114391708B CN 114391708 B CN114391708 B CN 114391708B CN 202210060114 A CN202210060114 A CN 202210060114A CN 114391708 B CN114391708 B CN 114391708B
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- diversion channel
- filter plate
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- 230000009467 reduction Effects 0.000 claims abstract description 90
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 21
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 12
- 239000004917 carbon fiber Substances 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 239000010453 quartz Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
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- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 4
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- 241001330002 Bambuseae Species 0.000 abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 4
- 239000011425 bamboo Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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- 229920002521 macromolecule Polymers 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the technical field of blower equipment, and particularly relates to a noise-reducing blower, which comprises: a housing divided into a duct portion; a hand-held part; the air blowing component is used for sucking external air flow from the air inlet and discharging the external air flow from the air outlet; the heating component is used for heating the air flow in the air duct; the inner cavity of the air duct part is sequentially divided into a first cavity, a second cavity and a third cavity from the air inlet to the air outlet; the first cavity is internally provided with a first noise reduction component for reducing noise entering the first cavity from the air inlet. Through being provided with first section of thick bamboo of making an uproar, first micropore filter plate and second micropore filter plate of making an uproar to through setting up first section of thick bamboo of making an uproar that makes an uproar is loudspeaker form, thereby make it can assemble the wind that enters into in the first cavity from the air intake, then under the effect of first micropore filter plate and second micropore filter plate, reach the purpose of making an uproar falls step by step to the noise.
Description
Technical Field
The invention belongs to the technical field of blower equipment, and particularly relates to a noise-reducing blower.
Background
Based on the characteristic that the blower can rapidly shape and dry, the air blower has a large audience group. The fan unit in the blower can suck air flow from the air inlet of the blower and send the sucked air flow out from the air outlet opposite to the air inlet, thereby achieving the purpose of drying. Further, the air outlet of the blower can be connected with an air nozzle, so that the air speed of air flow can be increased and the air flow can be concentrated through the air nozzle, and the modeling purpose is achieved.
The Chinese patent application with the publication number of CN113491379A discloses a blower, which radiates heat to a motor heating element and a motor through independent second airflow channels, does not occupy the volume of a main airflow channel, does not influence the air inlet and outlet quantity, and does not need to increase the volume of the blower when effectively radiating heat to the motor heating element and the motor. However, the blower generates very loud noise when in operation, and needs to be improved for reducing the noise and improving the comfort of use.
Disclosure of Invention
The invention aims to solve the technical problems and provide a low-noise blower.
In view of this, the present invention provides a noise reduction blower comprising:
the shell is divided into an air duct part, and two ends of the air duct part are provided with an air inlet and an air outlet which are communicated with the inner cavity of the air duct part; the handheld part is arranged perpendicular to the air duct part;
the air blowing component is arranged in the inner cavity of the air duct part and is used for sucking external air flow from the air inlet and discharging the external air flow from the air outlet;
The heating component is arranged in the air duct part and is used for heating air flow in the air duct;
the inner cavity of the air duct part is sequentially divided into a first cavity, a second cavity and a third cavity from the air inlet to the air outlet; the air blowing component is arranged in the second cavity, and the heating component is arranged in the third cavity; the device is characterized by further comprising a first noise reduction component which is arranged in the first cavity and used for reducing noise entering the first cavity from the air inlet; be provided with the baffle ring on the inner wall of first cavity, first noise reduction part includes:
The first noise reduction cylinder is arranged between the baffle ring and the air inlet, the inner wall of the first noise reduction cylinder is of a hollow structure, the inner wall of the first noise reduction cylinder is in a horn shape, and the inner diameter of the first noise reduction cylinder gradually reduces from one end close to the air inlet to the baffle ring;
the first microporous filter plate is of an annular structure and is arranged in the first noise reduction cylinder;
the second microporous filter plate is of an annular structure, is arranged in the first noise reduction cylinder and is arranged side by side with the first microporous filter plate, the first microporous filter plate is close to the air inlet, and the second microporous filter plate is close to the baffle ring;
Wherein, the micropore aperture on the second micropore filter plate is smaller than the micropore aperture on the first micropore filter plate.
In the above technical scheme, the motor further comprises a second noise reduction component, which is arranged in the second cavity and used for reducing noise generated by the motor and the blades; the second noise reduction feature includes:
The second noise reduction cylinder is positioned in the second cavity and surrounds the motor;
the noise reduction plate is of an annular structure, surrounds the blades, and is arranged on the second noise reduction cylinder at one end and extends towards the baffle at the other end.
In any one of the above technical solutions, further, the end of the first noise reduction cylinder is flush with the end of the motor, the noise reduction plate extends out of the blade by a certain distance, and the noise reduction plate is an arc surface gathering towards the blade to one end surface of the blade.
In any of the above technical solutions, further, the air blowing component includes a blade disposed in the second cavity; the motor is arranged in the second cavity and connected with the blade and is used for driving the blade to rotate by taking the central axis of the air duct part as the center;
An annular isolation part is arranged in the third cavity along the length direction of the third cavity, one end of the annular isolation part is close to the motor, the other end of the annular isolation part extends to the air outlet and is used for separating a diversion channel used for air flow to pass through in the third cavity into a first diversion channel and a second diversion channel, and the second diversion channel is positioned at the periphery of the first diversion channel; one part of the airflow generated when the blades rotate is split into a first diversion channel, and the other part of the airflow is split into a second diversion channel;
The heating component is arranged in the first diversion channel and is used for heating the air flow entering the first diversion channel.
In any of the above technical solutions, further, a flow guiding component is further disposed in the second cavity, and is configured to split a portion of the air flow flowing from the second cavity to the first flow guiding channel to the second flow guiding channel, or is configured to split a portion of the air flow flowing from the second cavity to the second flow guiding channel to the first flow guiding channel.
In any of the above solutions, further, the flow guiding component includes:
the support ring is arranged on the inner wall of the second cavity, and the inner wall of the support ring is provided with a connecting rod extending along the axis direction;
The middle part of the guide plate is rotatably arranged on the connecting rod,
The power piece is used for driving the guide plate to rotate so as to change the included angle between the guide plate and the central axis of the second cavity.
In any one of the above technical solutions, further, there are more than two connecting rods, and evenly distributed on the inner wall of the guide plate along the circumferential direction, and each connecting rod is provided with a guide plate;
The power piece includes:
The mounting seat is arranged on the end part of the outer surface of the motor and is internally provided with a mounting cavity;
the small motor is arranged in the mounting cavity, and an output shaft of the small motor penetrates through and extends out of the mounting seat;
The driving gear is arranged at one end of the output shaft of the small motor, which extends out of the mounting seat;
The driven gear is rotatably arranged on the outer wall of the mounting seat and is meshed with the driving gear;
the sliding block is arranged on the mounting seat in a sliding way along the radial direction, and is also provided with a rack which is meshed with the driven gear;
The number of the driven gears is consistent with that of the guide plates, the driven gears are uniformly distributed around the driving gears, and the number of the sliding blocks is consistent with that of the driven gears and is uniformly distributed on the mounting seat along the circumferential direction; each slide block is also provided with an extension part, and each extension part extends to be hinged with each guide plate.
In any of the above technical solutions, further, the number of guide plates is four, the guide plates are arc-shaped plates, and a certain gap is formed between adjacent guide plates; when the power assembly drives the guide plates to rotate, one ends of the four guide plates, which are close to the annular isolation part, are gathered inwards or opened outwards, when the guide plates are gathered, an inner cavity formed by encircling the four guide plates is in a circular truncated cone shape, and the inner diameter of the inner cavity is gradually reduced from the second cavity to the third cavity.
In any of the above technical solutions, further, the heating component includes a supporting frame, and is disposed in the first diversion channel; the carbon fiber quartz electric heating tube is arranged on the support frame and is used for heating and emitting infrared light waves; the inner wall of the annular isolation part is also provided with a heat insulation layer for isolating heat emitted by the carbon fiber quartz electric heating tube.
The beneficial effects of the invention are as follows:
1. The invention is provided with the annular isolation part, the diversion channel is separated by the annular isolation part, and the air at the middle part is discharged from the air outlet after being heated, and the air at the periphery is not heated, so that the air outlet can generate different cold and hot air, and the use is very convenient.
2. Based on the flow of the wind discharged from the first diversion channel and the second diversion channel, a diversion component is arranged for the purpose, and the airflow part flowing from the second cavity to the first diversion channel can be diverted to the second diversion channel through the diversion component so as to increase the flow of the wind entering into the second diversion channel, or the airflow part flowing from the second cavity to the second diversion channel is diverted to the first diversion channel so as to increase the flow of the wind entering into the first diversion channel, and then the flow ratio between the hot wind and the normal-temperature wind is adjusted.
3. In order to enable most of the wind energy in the second cavity to be changed in diversion direction by the diversion plate, the diversion parts are arranged in a plurality for this purpose and are circumferentially arranged.
4. Be provided with a section of thick bamboo of making an uproar, first micropore filter plate and second micropore filter plate fall through setting up a section of thick bamboo of making an uproar to make it can assemble the wind that enters into in the first cavity from the air intake, then under the effect of first micropore filter plate and second micropore filter plate, reach the purpose of making an uproar step by step to the noise.
5. In order to reduce noise generated by the motor and the blades during operation, a second noise reduction component is further arranged, and the omnibearing noise reduction is realized through the second noise reduction cylinder and the noise reduction plate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the flow guiding member of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic structural view of a second noise reduction feature of the present invention;
FIG. 5 is a schematic view of the internal structure of the noise reduction plate of the present invention;
The reference numerals in the drawings are: 100. a housing; 110. a wind tube section; 111. an annular isolation part; 112. a first flow directing channel; 113. a second flow directing channel; 114. a thermal insulation layer; 115. a first cavity; 116. a second cavity; 117. a third cavity; 118. a baffle ring; 120. a hand-held part; 200. a blowing part; 210. a blade; 220. a motor; 300. a heating member; 310. a support frame; 320. carbon fiber quartz electric heating tube; 400. a flow guiding member; 410. a support ring; 411. a connecting rod; 420. a deflector; 430. a power member; 431. a mounting base; 432. a small motor; 433. a drive gear; 434. a driven gear; 435. a slide block; 436. a rack; 437. an extension; 500. a first noise reduction feature; 510. a first noise reduction cylinder; 520. a first microporous filter plate; 530. a second microporous filter plate; 600. a second noise reduction feature; 610. a second noise reduction cylinder; 620. a noise reduction plate; 621. a third microporous filter plate; 622. a fourth microporous filter plate; 623. and a resonance plate.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
It should be noted that, in the description of the present application, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
Example 1:
as shown in fig. 1, the present embodiment provides a noise reduction blower, including:
The shell 100, the shell 100 is divided into a wind barrel part 110, and two ends of the wind barrel part 110 are provided with an air inlet and an air outlet which are communicated with the inner cavity of the wind barrel part; and a hand-held part 120 disposed perpendicular to the wind tunnel part 110;
A blowing part 200 disposed in the inner cavity of the wind tunnel part 110 for sucking the external air flow from the air inlet and discharging the air flow from the air outlet;
A heating member 300 disposed in the duct part 110 for heating the air flow in the duct;
wherein the blowing part 200 includes a blade 210 disposed in the inner cavity of the wind tunnel part 110; a motor disposed in the inner cavity of the air duct 110 and connected to the blade 210 for driving the blade 210 to rotate about the central axis of the air duct 110;
The inner cavity of the air duct part 110 is provided with an annular isolation part 111 arranged along the length direction of the air duct part, one end of the annular isolation part 111 is close to the motor, the other end of the annular isolation part extends to the air outlet and is used for separating a diversion channel for air flow passing through the air duct part 110 into a first diversion channel 112 and a second diversion channel 113, and the second diversion channel 113 is positioned at the periphery of the first diversion channel 112; the airflow generated when the blades 210 rotate, one part of the airflow is split into the first diversion channel 112, and the other part of the airflow is split into the second diversion channel 113;
The heating element 300 is disposed in the first diversion channel 112, and is used for heating the air flow entering the first diversion channel 112.
In the technical scheme, the air outlet of the existing hair dryer can only blow hot air or cold air, when the hot air is adopted to blow hair, moisture of the hair is easy to run off quickly, so that the hair is frizzy, and when the whole cold air is adopted to blow the hair, the evaporation speed of the moisture on the hair is slow, the hair is not easy to blow dry, and therefore, the hair needs to be blown alternately, so that the hair dryer is very inconvenient.
Example 2:
the present embodiment provides a noise reduction blower having the following technical features in addition to the technical scheme including the above embodiment.
As shown in fig. 1, in the present embodiment, the heating component 300 includes a support frame 310 disposed in the first diversion channel 112; the carbon fiber quartz electric heating tube 320 is arranged on the support frame 310 and is used for heating and emitting infrared light waves; the inner wall of the annular isolation part 111 is also provided with a heat insulation layer 114 for isolating heat emitted by the carbon fiber quartz electric heating tube 320.
In the technical scheme, the far infrared ray has stronger penetrability and radiation force, obvious temperature control effect and resonance effect, is easy to be absorbed by an object and converted into the internal energy of the object, and can enable water molecules in the body to generate resonance after being absorbed by a human body so as to activate the water molecules and strengthen the bonding force among the molecules, thereby activating biological macromolecules such as proteins and enabling biological cells to be at the highest vibration energy level. In this embodiment, in order to generate far infrared rays, the traditional heating resistance wire is changed into the carbon fiber quartz electric heating tube 320 capable of generating far infrared rays, after the electric conduction, the carbon fiber quartz electric heating tube 320 generates heat, the wind passing through the carbon fiber quartz electric heating tube 320 is heated and discharged from the air outlet, and meanwhile, the far infrared rays generated by the carbon fiber quartz electric heating tube 320 are emitted outwards through the air outlet, and after acting on the hair, the hair can be effectively protected.
In order to prevent the heat generated by the carbon fiber quartz electric heating tube 320 from being transferred into the second diversion channel 113, a heat insulation layer 114 is further arranged on the inner wall of the annular isolation part 111, and the heat insulation is performed through the heat insulation layer 114, wherein the heat insulation layer 114 can be made of mica.
Example 3:
the present embodiment provides a noise reduction blower having the following technical features in addition to the technical scheme including the above embodiment.
As shown in fig. 1, in the present embodiment, the inner cavity of the air duct portion 110 is divided into a first cavity 115, a second cavity 116 and a third cavity 117 from the air inlet to the air outlet in sequence;
The air blowing component 200 is disposed in the second cavity 116, the heating component 300 and the annular isolation portion 111 are disposed in the third cavity 117, and a diversion component 400 is further disposed in the second cavity 116, for diverting a portion of the air flow flowing from the second cavity 116 to the first diversion channel 112 to the second diversion channel 113, or for diverting a portion of the air flow flowing from the second cavity 116 to the second diversion channel 113 to the first diversion channel 112.
In this technical solution, based on the flow rate of the wind discharged from the first diversion channel 112 and the second diversion channel 113, the diversion component 400 is provided, and the airflow portion flowing from the second cavity 116 to the first diversion channel 112 can be diverted to the second diversion channel 113 by the diversion component 400 so as to increase the flow rate of the wind entering into the second diversion channel 113, or the airflow portion flowing from the second cavity 116 to the second diversion channel 113 can be diverted to the first diversion channel 112 so as to increase the flow rate of the wind entering into the first diversion channel 112, thereby achieving the purpose of adjusting the flow rate ratio between the hot wind and the normal temperature wind. When the flow is not split by the flow guiding component 400, specifically, the cross-sectional area ratio of the air outlet port of the first flow guiding channel 112 to the air outlet port of the second flow guiding channel 113 is 1:1-1.5.
As shown in fig. 1 and 2, in the present embodiment, the optimized flow guiding member 400 includes:
the support ring 410 is disposed on the inner wall of the second cavity 116, and the inner wall of the support ring 410 is provided with a connecting rod 411 extending along the central axis direction;
the deflector 420 is rotatably disposed at the middle of the connecting rod 411,
The power part 430 is used for driving the deflector 420 to rotate so as to change the included angle between the deflector 420 and the central axis of the second cavity 116.
In this technical scheme, be provided with directional pivoted guide plate 420 at second cavity 116, when needs are adjusted, drive guide plate 420 through power piece 430 and rotate for the contained angle between guide plate 420 and the axis of second cavity 116 changes, through the flow direction of the wind in changing second cavity 116, thereby realizes the purpose of shunting the wind in the second cavity 116.
As shown in fig. 2 and 3, in the present embodiment, preferably, there are more than two connecting rods 411, and the connecting rods 411 are uniformly distributed on the inner wall of the baffle 420 along the circumferential direction, and each connecting rod 411 is provided with the baffle 420;
The power member 430 includes:
The mounting seat 431 is arranged on the end part of the outer surface of the motor and is internally provided with a mounting cavity;
a small motor 432 disposed in the mounting cavity, and having an output shaft passing through and extending out of the mounting seat 431;
a driving gear 433 disposed at one end of the output shaft of the small motor 432 extending out of the mounting seat 431;
A driven gear 434 rotatably disposed on an outer wall of the mounting seat 431 and engaged with the driving gear 433;
The sliding block 435 is slidably arranged on the mounting seat 431 along the radial direction, a rack 436 is further arranged on the sliding block 435, and the rack 436 is meshed with the driven gear 434;
Wherein, the number of the driven gears 434 is consistent with that of the guide plates 420 and evenly distributed around the driving gears 433, and the number of the sliders 435 is consistent with that of the driven gears 434 and evenly distributed on the mounting seat 431 along the circumferential direction; each slider 435 further has an extension 437 thereon, each extension 437 extending to hinge with each baffle 420.
In the present technical solution, since the air duct is in a cylindrical structure, the second cavity 116 is columnar, so that most of the wind energy in the second cavity 116 can be changed by the flow guide plate 420, and for this purpose, the flow guide parts are arranged in multiple and circumferentially surrounding manner; to enable the power member 430 to control all of the baffles 420, the power member 430 includes a small motor 432, a driving gear 433, a driven gear 434; and the sliding blocks 435, the small motor 432 is arranged on the mounting seat 431, the mounting seat 431 is fixed on the shell 100 of the motor, the driving gear 433 is driven to rotate by the small motor 432, so that the driven gear 434 rotates, the sliding blocks 435 connected with the driven gear 434 are driven to slide on the mounting seat 431 when the driven gear 434 rotates, the sliding blocks 435 simultaneously move along the radial direction, and the guide plates 420 are pushed to rotate, so that the synchronous adjustment of the guide plates 420 is realized.
In this embodiment, specifically, four guide plates 420 are provided, and the guide plates 420 are arc-shaped plates, and a certain gap is formed between adjacent guide plates 420; when the power assembly drives the guide plates 420 to rotate, one end of each guide plate 420, which is close to the annular isolation part 111, is gathered inwards or opened outwards, when the guide plates are gathered, an inner cavity formed by encircling the four guide plates 420 is in a truncated cone shape, and the inner diameter of the inner cavity is gradually reduced from the second cavity 116 to the third cavity 117.
In the present technical solution, the guide plates 420 are configured as arc plates, when the small motor 432 drives the sliding blocks 435 to extend outwards, one end of each guide plate 420 close to the annular isolation portion 111 gathers together, and reduces the caliber, so that most of wind in the second cavity 116 can be guided by the guide plates 420 and gathered into the first guide channel 112, so that most of wind discharged from the air outlet is heated and gathered, thereby increasing the size of wind discharged from the first guide channel 112, and reducing the size of wind discharged from the second guide channel 113; when the small motor 432 is driven to rotate in the reverse direction, the air discharged from the second diversion channel 113 can be increased in size, and the air discharged from the first diversion channel 112 can be reduced in size.
Example 4:
the present embodiment provides a noise reduction blower having the following technical features in addition to the technical scheme including the above embodiment.
As shown in fig. 1, in this embodiment, the noise reduction device further includes a first noise reduction component 500 disposed in the first cavity 115, for reducing noise entering the first cavity 115 from the air inlet; specifically, the baffle ring 118 is disposed on an inner wall of the first cavity 115, and the first noise reduction feature 500 includes:
The first noise reduction cylinder 510 is arranged between the baffle ring 118 and the air inlet, the first noise reduction cylinder 510 is of a hollow structure, the inner wall of the first noise reduction cylinder 510 is in a horn shape, and the inner diameter of the first noise reduction cylinder is gradually reduced from one end close to the air inlet to the direction of the baffle ring 118;
The first microporous filter plate 520 is in an annular structure and is arranged in the first noise reduction cylinder 510;
the second microporous filter plate 530 is in an annular structure, is arranged in the first noise reduction cylinder 510, is arranged side by side with the first microporous filter plate 520, the first microporous filter plate 520 is close to the air inlet, and the second microporous filter plate 530 is close to the baffle ring 118;
wherein the pore size of the second microporous filter plate 530 is smaller than the pore size of the first microporous filter plate 520.
In this embodiment, since the air blowing component 200 generates noise after working, in order to reduce noise, a first noise reduction component 500 is further provided, and noise entering the first cavity 115 from the air inlet is reduced by the first noise reduction component 500. Based on the sound absorbing material, the noise reduction mode of the transmission is to directly set a sound absorbing plate with micropores to reduce noise, and the noise reduction effect is not very obvious, so that in the embodiment, the first noise reduction cylinder 510, the first microporous filter plate 520 and the second microporous filter plate 530 are arranged, and the first noise reduction cylinder 510 is in a horn shape, so that the first noise reduction cylinder 510 can converge wind entering the first cavity 115 from the air inlet, and then the noise is reduced step by step under the action of the first microporous filter plate 520 and the second microporous filter plate 530.
Example 5:
the present embodiment provides a noise reduction blower having the following technical features in addition to the technical scheme including the above embodiment.
As shown in fig. 1 and 4, in this embodiment, the noise reduction device further includes a second noise reduction component 600, disposed in the second cavity 116, for reducing noise generated by the motor and the blade 210; specifically, the second noise reduction feature 600 includes:
a second noise reduction barrel 610 positioned within the second cavity 116 and surrounding the motor;
the noise reduction plate 620 having a ring-shaped structure and surrounding the blades 210, one end of which is disposed on the second noise reduction cylinder 610 and the other end of which extends in the direction of the baffle;
The end of the first noise reduction cylinder 510 is flush with the end of the motor, the noise reduction plate 620 extends out of the blade 210 by a certain distance, and an end surface of the noise reduction plate 620 opposite to the blade 210 is a cambered surface converging towards the blade 210.
In this technical solution, in order to reduce noise generated when the motor and the blade 210 work, a second noise reduction component 600 is further provided, and the second noise reduction cylinder 610 and the noise reduction plate 620 are used to realize omnibearing noise reduction; based on the cambered surface structure of the noise reduction plate 620, the motor and the blade 210 are taken as a whole, the total length of the motor and the blade 210 is set to be H, the midpoint of the motor and the blade is set to be an origin O, the diameter of the blade 210 is phi, the length of the second noise reduction cylinder 610 is 1/2H, the other end of the noise reduction plate 620 is provided with the second noise reduction cylinder 610 with the length of 3/4H, and the end is positioned on an extension line of the blade 210 extending along the axial direction; the cambered surface of the noise reduction plate 620 is a spherical surface, the center of the spherical surface is the origin O, and the radius of the spherical surface
R 2＝(1/2φ)2+(3/4H)2. The noise reduction plate 620 can reduce noise to the motor and the blade 210 to the greatest extent.
Based on the internal structures of the second noise reduction cylinder 610 and the noise reduction plate 620, the noise reduction cylinder may be formed by processing the same materials, specifically, as shown in fig. 5, the noise reduction cylinder is composed of a double-layer third microporous filter plate 621 and a resonance plate 623 arranged between the two third microporous filter plates 621, wherein a certain gap is formed between the resonance plate 623 and the third microporous filter plate 621 and between the resonance plate 623 and the fourth microporous filter plate 622, the gap is used for the resonance plate 623 to move, the noise is reduced to a certain extent after passing through the third microporous filter plate 621 on the inner side, then under the action of the resonance plate 623, the noise is vibrated by the resonance after passing through the resonance plate 623, and the noise is weakened again, and finally, the noise is further reduced after passing through the third microporous filter plate 621 on the outer side.
The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.
Claims (3)
1. A noise reducing blower, comprising:
The air duct type air conditioner comprises an outer shell (100), wherein the outer shell (100) is divided into an air duct part (110), and two ends of the air duct part (110) are provided with an air inlet and an air outlet which are communicated with an inner cavity of the air duct part; and a hand-held part (120) arranged perpendicular to the air duct part (110);
A blowing part (200) arranged in the inner cavity of the wind drum part (110) and used for sucking external airflow from the air inlet and discharging the external airflow from the air outlet;
a heating member (300) provided in the duct section (110) and configured to heat the air flow in the duct;
The inner cavity of the air duct part (110) is sequentially divided into a first cavity (115), a second cavity (116) and a third cavity (117) from the air inlet to the air outlet; the air blowing component (200) is arranged in the second cavity (116), and the heating component (300) is arranged in the third cavity (117); the device is characterized by further comprising a first noise reduction component (500) which is arranged in the first cavity (115) and is used for reducing noise entering the first cavity (115) from the air inlet; a baffle ring (118) is disposed on an inner wall of the first cavity (115), and the first noise reduction component (500) includes:
The first noise reduction cylinder (510) is arranged between the baffle ring (118) and the air inlet, the first noise reduction cylinder (510) is of a hollow structure, the inner wall of the first noise reduction cylinder is in a horn shape, and the inner diameter of the first noise reduction cylinder is gradually reduced from one end close to the air inlet to the baffle ring (118);
The first microporous filter plate (520) is of an annular structure and is arranged in the first noise reduction cylinder (510);
The second microporous filter plate (530) is of an annular structure, is arranged in the first noise reduction cylinder (510) and is arranged side by side with the first microporous filter plate (520), the first microporous filter plate (520) is close to the air inlet, and the second microporous filter plate (530) is close to the baffle ring (118);
Wherein the pore size of the micropores on the second microporous filter plate (530) is smaller than the pore size of the micropores on the first microporous filter plate (520);
The blowing component (200) comprises a blade (210) arranged in the second cavity (116); a motor (220) disposed in the second cavity (116) and connected to the blade (210), for driving the blade (210) to rotate about the central axis of the air duct (110);
the blower also comprises a second noise reduction component (600) which is arranged in the second cavity (116) and is used for reducing noise generated by the motor (220) and the blades (210); the second noise reduction feature (600) includes:
A second noise reduction barrel (610) located within the second cavity (116) and surrounding the motor (220);
A noise reduction plate (620) having a ring-shaped structure and surrounding the blade (210), one end of which is provided on the second noise reduction cylinder (610) and the other end of which extends in the baffle direction;
An annular isolation part (111) is arranged in the third cavity (117) along the length direction of the third cavity, one end of the annular isolation part (111) is close to the motor (220), the other end of the annular isolation part extends to the air outlet, a diversion channel used for allowing air to pass through in the third cavity (117) is divided into a first diversion channel (112) and a second diversion channel (113), and the second diversion channel (113) is positioned at the periphery of the first diversion channel (112); the airflow generated when the blades (210) rotate is partially split into the first diversion channel (112), and the other part of the airflow is split into the second diversion channel (113);
Wherein the heating component (300) is arranged in the first diversion channel (112) and is used for heating the air flow entering the first diversion channel (112);
A diversion component (400) is further arranged in the second cavity (116) and is used for diverting the airflow part flowing from the second cavity (116) to the first diversion channel (112) to the second diversion channel (113) or diverting the airflow part flowing from the second cavity (116) to the second diversion channel (113) to the first diversion channel (112);
The flow guiding member (400) includes:
The support ring (410) is arranged on the inner wall of the second cavity (116), and a connecting rod (411) extending along the central axis direction of the support ring (410) is arranged on the inner wall of the support ring;
a deflector (420) whose middle part is rotatably arranged on the connecting rod (411),
The power piece (430) is used for driving the guide plate (420) to rotate so as to change the included angle between the guide plate (420) and the central axis of the second cavity (116);
The connecting rods (411) are more than two and are uniformly distributed on the inner wall of the guide plate (420) along the circumferential direction, and each connecting rod (411) is provided with the guide plate (420);
The power member (430) includes:
a mounting seat (431) arranged on the end part of the outer surface of the motor (220) and provided with a mounting cavity inside;
A small motor (432) arranged in the mounting cavity, and an output shaft of the small motor penetrates through and extends out of the mounting seat (431);
The driving gear (433) is arranged at one end of the output shaft of the small motor (432) extending out of the mounting seat (431);
a driven gear (434) rotatably arranged on the outer wall of the mounting seat (431) and meshed with the driving gear (433);
A slider (435) slidably disposed on the mounting seat (431) along a radial direction, wherein a rack (436) is further disposed on the slider (435), and the rack (436) is meshed with the driven gear (434);
Wherein the number of the driven gears (434) is consistent with that of the guide plates (420) and evenly distributed around the driving gears (433), and the number of the sliding blocks (435) is consistent with that of the driven gears (434) and evenly distributed on the mounting seat (431) along the circumferential direction; each sliding block (435) is further provided with an extension part (437), and each extension part (437) extends to be hinged with each guide plate (420) respectively;
the flow guide plates (420) are four, the flow guide plates (420) are arc-shaped plates, and a certain gap is reserved between every two adjacent flow guide plates (420); when the power piece drives the guide plates (420) to rotate, one ends of the four guide plates (420) close to the annular isolation parts (111) are gathered inwards or opened outwards, when the guide plates are gathered, an inner cavity formed by encircling the guide plates (420) is in a circular truncated cone shape, and the inner diameter of the inner cavity is gradually reduced from the second cavity (116) to the third cavity (117).
2. The noise reduction blower of claim 1, wherein an end of the first noise reduction barrel (510) is flush with an end of the motor (220), the noise reduction plate (620) extends out of the blade (210) a distance, and an end surface of the noise reduction plate (620) opposite to the blade (210) is a cambered surface converging toward the blade (210).
3. A noise reducing blower according to claim 1 or 2, wherein the heating element (300) comprises a support frame (310) disposed within the first flow guide channel (112); the carbon fiber quartz electric heating tube (320) is arranged on the support frame (310) and is used for heating and emitting infrared light waves; and a heat insulation layer (114) is further arranged on the inner wall of the annular isolation part (111) and used for isolating heat emitted by the carbon fiber quartz electric heating tube (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060114.XA CN114391708B (en) | 2022-01-19 | 2022-01-19 | Noise-reducing blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060114.XA CN114391708B (en) | 2022-01-19 | 2022-01-19 | Noise-reducing blower |
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| Publication Number | Publication Date |
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| CN114391708A CN114391708A (en) | 2022-04-26 |
| CN114391708B true CN114391708B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210060114.XA Active CN114391708B (en) | 2022-01-19 | 2022-01-19 | Noise-reducing blower |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115919052B (en) * | 2022-12-20 | 2023-12-15 | 湖南全康电子科技有限公司 | Noise-reducing air duct part and air blowing equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101292806A (en) * | 2007-04-23 | 2008-10-29 | 上海超人电气有限公司 | Electromagnetic induction heating type electric hair drier |
| CN106725037A (en) * | 2016-11-29 | 2017-05-31 | 佛山市厨卫科技有限公司 | A kind of jetter of high efficiency smart and use its toilet seat |
| CN208863661U (en) * | 2018-08-01 | 2019-05-17 | 杭州乐秀电子科技有限公司 | Hair dryer |
| KR102134484B1 (en) * | 2019-01-22 | 2020-07-16 | 유태승 | Low noise type hair dryer |
| CN111972805A (en) * | 2020-01-21 | 2020-11-24 | 东莞市徕芬电子科技有限公司 | Main body structure of hair drier |
| CN112932051A (en) * | 2021-04-02 | 2021-06-11 | 陈伟清 | Air-blower with adjustable air opening |
| CN113040495A (en) * | 2019-12-26 | 2021-06-29 | 添可智能科技有限公司 | Hair drier |
| CN215125138U (en) * | 2021-03-02 | 2021-12-14 | 美国华尔推剪公司 | Hair drier with noise reduction function |
| CN215444536U (en) * | 2021-08-18 | 2022-01-07 | 江苏科创电器有限公司 | Fan with adjustable structure wind scooper |
| CN114392179A (en) * | 2022-01-19 | 2022-04-26 | 绍兴摇脊舒健康科技有限公司 | Intelligent physiotherapy device |
-
2022
- 2022-01-19 CN CN202210060114.XA patent/CN114391708B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101292806A (en) * | 2007-04-23 | 2008-10-29 | 上海超人电气有限公司 | Electromagnetic induction heating type electric hair drier |
| CN106725037A (en) * | 2016-11-29 | 2017-05-31 | 佛山市厨卫科技有限公司 | A kind of jetter of high efficiency smart and use its toilet seat |
| CN208863661U (en) * | 2018-08-01 | 2019-05-17 | 杭州乐秀电子科技有限公司 | Hair dryer |
| KR102134484B1 (en) * | 2019-01-22 | 2020-07-16 | 유태승 | Low noise type hair dryer |
| CN113040495A (en) * | 2019-12-26 | 2021-06-29 | 添可智能科技有限公司 | Hair drier |
| CN111972805A (en) * | 2020-01-21 | 2020-11-24 | 东莞市徕芬电子科技有限公司 | Main body structure of hair drier |
| CN215125138U (en) * | 2021-03-02 | 2021-12-14 | 美国华尔推剪公司 | Hair drier with noise reduction function |
| CN112932051A (en) * | 2021-04-02 | 2021-06-11 | 陈伟清 | Air-blower with adjustable air opening |
| CN215444536U (en) * | 2021-08-18 | 2022-01-07 | 江苏科创电器有限公司 | Fan with adjustable structure wind scooper |
| CN114392179A (en) * | 2022-01-19 | 2022-04-26 | 绍兴摇脊舒健康科技有限公司 | Intelligent physiotherapy device |
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| CN114391708A (en) | 2022-04-26 |
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