CN115434932A

CN115434932A - Portable blowing device

Info

Publication number: CN115434932A
Application number: CN202210970043.7A
Authority: CN
Inventors: 郑汉海; 林洁
Original assignee: Shenzhen Da Vinci Industrial Design Co ltd
Current assignee: Shenzhen Da Vinci Industrial Design Co ltd
Priority date: 2022-02-14
Filing date: 2022-08-12
Publication date: 2022-12-06
Also published as: CN219062020U; CN117249098A; CN218542648U; CN218376961U; CN218991913U; CN218991912U; CN218760512U; CN218934771U; CN218376962U

Abstract

The invention provides a portable blowing device which comprises a suspension type main body with a containing cavity and a fan assembly arranged in the containing cavity, wherein an air inlet and an air outlet which are communicated with the containing cavity are formed in the suspension type main body, an air gathering channel communicated with the air inlet and the air outlet is formed in an enclosing mode on the inner wall of the suspension type main body, and an air suction opening is formed in the position, corresponding to the air inlet, of the fan assembly and used for sucking external air into the containing cavity from the air inlet and guiding the external air to the air outlet along the air gathering channel to be discharged. The portable air blowing device provided by the invention can relieve both hands of a user while relieving summer heat and cooling the user, is convenient for the user to carry and use, meets the use requirement of the user, and improves the user experience.

Description

Portable blowing device

The present application claims priority from chinese patent application with application number 202220284700.8 entitled "portable air blower" filed by chinese patent office on 14/02/2022, the entire contents of which are incorporated herein by reference.

Technical Field

The invention belongs to the technical field of fans, and particularly relates to a portable blowing device.

Background

The fan is a household appliance which utilizes a motor to drive fan blades to rotate so as to accelerate the circulation of air and realize cooling, is mainly used for cooling and relieving summer heat and circulating air, and is widely applied to places such as families, classrooms, offices, shops, hospitals, hotels and the like. When people are in a high-temperature environment or need to go out in a hot climate environment, a fan is urgently needed to circulate the ambient air, so that the aim of cooling is fulfilled; in order to solve the problems, hand-held fans convenient for users to use are available in the market; however, when the handheld fan is used, one hand of a user needs to be occupied, and when the user needs to do things with both hands, the handheld fan cannot be used, so that the handheld fan is inconvenient to carry and use by the user, and the using requirements of the user cannot be met.

Disclosure of Invention

The invention aims to provide a portable air blowing device to solve the technical problems that a fan in the prior art is inconvenient for a user to carry and use and cannot meet the use requirements of the user.

In order to achieve the purpose, the invention adopts the technical scheme that: provided is a portable air blowing device including:

the suspension type air conditioner comprises a suspension type main body with an accommodating cavity, wherein an air inlet and an air outlet which are communicated with the accommodating cavity are formed in the suspension type main body, and an air gathering channel which is communicated with the air inlet and the air outlet is formed by enclosing the inner wall of the suspension type main body;

the fan assembly is arranged in the accommodating cavity, an exhaust inlet is formed in the position, corresponding to the air inlet, of the fan assembly and used for sucking outside air from the air inlet into the accommodating cavity, and the air collecting channel is used for conducting drainage to the air outlet to discharge.

In one embodiment, the fan assembly includes a mixed flow supercharging centrifugal fan, the mixed flow supercharging centrifugal fan includes an air guide cone, a plurality of diagonal flow blades arranged at equal intervals along the circumferential outer surface of the air guide cone, and a motor for driving the air guide cone, a flow guide structure for guiding the air flow direction is arranged on one side of each diagonal flow blade, which is far away from the air suction opening, so that a centrifugal air area is formed on the periphery of the fan assembly, and the air collecting channel is communicated with the centrifugal air area.

In one embodiment, the fan assembly further comprises a converging shell sleeved on the periphery of the mixed-flow supercharged centrifugal fan, and a converging channel used for communicating the centrifugal air zone with the air collecting channel is arranged on the converging shell;

or, fan unit is still including the cover establish the shell that converges of mixed flow pressure boost centrifugal fan's periphery, it is used for the intercommunication to converge to be provided with on the shell to converge centrifugal wind district with the passageway that converges of air outlet.

In one embodiment, a compression passage is formed between the centrifugal wind area and the wind gathering passage, and the cross-sectional area of the compression passage is gradually reduced from the centrifugal wind area to the wind gathering passage;

or a pressurizing and reducing passage is formed between the centrifugal air area and the air gathering passage, the sectional area of the pressurizing and reducing passage is smaller than that of the air outlet part of the centrifugal air area, and the sectional area of the pressurizing and reducing passage is smaller than that of the air inlet part of the air gathering passage.

In one embodiment, an included angle formed between an extending direction of the air collecting channel facing the air outlet and a central axis of the air guiding cone is between 60 degrees and 120 degrees.

In one embodiment, the fan assembly further comprises an auxiliary fan sleeved on the periphery of the mixed flow centrifugal booster fan, and the air suction opening comprises a main air opening communicated with the mixed flow centrifugal booster fan and an auxiliary air opening communicated with the auxiliary fan.

In one embodiment, the auxiliary fan is a straight-flow centrifugal fan or a diagonal-flow centrifugal fan.

In one embodiment, the distance between the fan assembly and the interior wall of the hanging body is between 0.5 mm and 1.5 mm.

In one embodiment, the portable blowing device further comprises an air collecting cover arranged in the accommodating cavity, the air collecting cover and the inner wall of the suspension type main body are enclosed to form an air collecting cavity, the fan assembly is mounted in the air collecting cavity, and a position opening communicated with the air collecting cavity and the air inlet is formed in the air collecting cover.

In one embodiment, the distance between the fan assembly and the inner wall of the wind collecting cover is between 0.5 mm and 1.5 mm.

In one embodiment, the outer surface of the wind collecting cover is provided with a buffer for abutting against the inner wall of the suspended body.

In one embodiment, the portable blowing device further comprises a drainage structure fixedly connected with the wind gathering cover, and the drainage structure and the inner wall of the suspended main body enclose to form the wind gathering channel communicating the wind gathering cavity and the wind outlet.

In one embodiment, the portable blowing device further includes an EMS current pulse module for generating a micro current to be applied to a neck location.

In one embodiment, the portable blowing device further comprises a semiconductor refrigeration module, the semiconductor refrigeration module comprises a refrigeration piece and a heat dissipation fan for removing heat generated by the refrigeration piece, and the suspension type main body is provided with heat dissipation holes corresponding to the positions of the heat dissipation fan;

or, the portable blowing device further comprises a semiconductor refrigeration module, and the fan assembly is provided with a heat dissipation branch air channel for removing heat generated by the semiconductor refrigeration module.

In one embodiment, the hanging body includes a flexible outer shell and a shape member fixedly attached to an inner wall of the flexible outer shell.

In one embodiment, the number of the fan assemblies is two, and the two fan assemblies are respectively arranged at two ends of the suspension type main body.

In one embodiment, the number of the fan assemblies is one, the fan assemblies are arranged in the middle area of the suspended main body, at least two air outlets are arranged on the suspended main body, and the two air outlets are respectively located on two opposite sides of the fan assemblies.

In one embodiment, the number of the fan assemblies is three, two of the fan assemblies are respectively arranged at two ends of the suspension type main body, the other fan assembly is arranged in the middle area of the suspension type main body, at least two air outlets are arranged on the suspension type main body, and the two air outlets are respectively arranged at two opposite sides of the fan assembly in the middle area of the suspension type main body.

The portable blowing device provided by the invention has the beneficial effects that: compared with the prior art, the portable blowing device comprises the suspension type main body with the accommodating cavity and the fan assembly arranged in the accommodating cavity, the portable blowing device can be suspended on the neck of a user by using the suspension type main body without being held by hands, and the hands of the user can be liberated; the fan assembly is provided with an air suction port corresponding to the air inlet, and is used for sucking external air into the accommodating cavity from the air inlet and guiding the external air to the air outlet along the air collecting channel for discharging; fan unit spare during operation is from air intake suction air to through the pressurization back, discharge from the air outlet, in order to relieve the temperature to the user, can liberate user's both hands simultaneously, the user of being convenient for hand-carries the use, satisfies user's user demand, promotes user experience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic perspective view of a portable blowing device according to a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a portable blowing device according to a first embodiment of the present invention;

fig. 3 is a schematic partial perspective view illustrating a portable blowing device according to a first embodiment of the present invention;

fig. 4 is a schematic perspective view of a part of a portable blowing device according to a first embodiment of the present invention;

fig. 5 is a schematic perspective view of a wind collecting cover and a drainage structure of a portable blowing device according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a part of a portable blowing device according to a first embodiment of the present invention;

fig. 7 is a schematic three-dimensional structure diagram of a portable blowing device according to a first embodiment of the present invention;

fig. 8 is a schematic perspective view of a part of a portable blowing device according to a first embodiment of the present invention;

fig. 9 is a schematic perspective view of a part of a portable blowing device according to a first embodiment of the present invention;

fig. 10 is a schematic perspective view of a part of a portable blowing device according to a second embodiment of the present invention;

fig. 11 is a schematic perspective view illustrating a fan assembly of a portable blowing device according to a second embodiment of the present invention;

fig. 12 is a schematic cross-sectional structural diagram of a fan assembly of a portable blowing device according to a second embodiment of the present invention.

Wherein, in the figures, the various reference numbers:

1. a suspended main body; 11. an accommodating chamber; 12. an air inlet; 13. an air outlet; 14. a wind gathering channel; 15. heat dissipation holes; 2. a wind gathering cover; 21. a let position port; 3. a drainage structure; 4. a support portion; 5. a fan assembly; 51. a mixed-flow booster centrifugal fan; 511. a wind guide cone; 512. a diagonal flow blade; 513. a flow guide structure; 52. a centrifugal wind zone; 53. a compression limiting channel; 54. an auxiliary fan; 55. a wind collecting cavity; 6. a semiconductor refrigeration module; 61. a refrigeration member; 62. a heat dissipation fan.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed or operated in a particular orientation, and is not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4, a portable hair dryer according to an embodiment of the present invention includes a suspension body 1 having a receiving cavity 11 and a fan assembly 5 disposed in the receiving cavity 11, the portable hair dryer can be suspended on the neck of a user by the suspension body 1 without being held by the user, and both hands of the user can be released; an air inlet 12 and an air outlet 13 which are communicated with the accommodating cavity 11 are arranged on the suspension type main body 1, an air gathering channel 14 which is communicated with the air inlet 12 and the air outlet 13 is formed by enclosing the inner wall of the suspension type main body 1, and an air suction opening is arranged at the position of the fan assembly 5 corresponding to the air inlet 12 and used for sucking outside air into the accommodating cavity 11 from the air inlet 12 and guiding the outside air to the air outlet 13 along the air gathering channel 14 for discharging; fan assembly 5 during operation, from air intake 12 inspiration air to through the pressurization back, discharge from air outlet 13, with the cooling of relieving summer heat to the user, can liberate user's both hands simultaneously, the user of being convenient for hand-carries the use, satisfies user's user demand, promotes user experience.

Referring to fig. 1 to 3 together, as a specific implementation of the portable hair dryer according to an embodiment of the present invention, a suspension type main body 1 of the portable hair dryer includes a flexible housing and a shaped member fixedly connected to an inner wall of the flexible housing, a receiving cavity 11 is disposed in the flexible housing, and the shaped member is disposed in the receiving cavity 11 and fixedly connected to the inner wall of the flexible housing. The user can be according to user demand or use scene self-interacting suspension type main part 1's form, for example the accessible changes the crooked radian of suspension type main part 1, winds portable blast apparatus and establishes and use on forehead, waist, arm or shank, perhaps through turning round suspension type main part 1 with the orientation that changes air intake 12 or air outlet 13, and the user of being convenient for uses with oneself, satisfies user's user demand. In addition, the flexible shell is adopted to improve the comfort of the user, and the flexible shell is contacted with the shoulder and the neck of the user to play a certain role in buffering and damping. The material of the flexible casing of the suspended main body 1 and the specific structure of the shaping member are not limited herein. Alternatively, the flexible casing may be made of silicone or TPU (Thermoplastic polyurethane elastomer), and the flexible casing has high strength and good toughness. Optionally, the shaping piece can be an aluminum strip added in the gooseneck or the coiled pipe, and the whole is fixedly connected to the inner wall of the flexible shell, so that the suspension type main body 1 can be kept in a shape required by a user, and the use requirement of the user can be met.

Referring to fig. 1 to 2, in the first embodiment, the installation positions and the number of the air inlets 12 and the air outlets 13 on the suspension type main body 1 of the portable air blowing device are not limited herein. When the portable air blowing device is hung at the neck of a user, the air inlet 12 on the hanging type main body 1 can be arranged on the inner surface of the hanging type main body 1 facing the neck; or, the air inlet 12 on the suspension type main body 1 can be arranged on the outer surface of the suspension type main body 1 away from the neck; or, the air inlet 12 on the suspension type main body 1 may be arranged on the upward-facing upper surface of the suspension type main body 1; alternatively, the air inlet 12 of the suspension type main body 1 may be arranged on the lower surface of the suspension type main body 1 facing downwards. Preferably, the air inlet 12 on the suspension type main body 1 is arranged on the inner surface of the suspension type main body 1 facing the neck; or, the air inlet 12 on the suspension type main body 1 is arranged on the outer surface of the suspension type main body 1 departing from the neck. The quantity of air intake 12 is a plurality of to reduce the windage, be favorable to fan assembly 5 to hold chamber 11 with the leading-in of outside air from air intake 12, the guarantee input holds the amount of wind in the chamber 11, and then is favorable to guaranteeing the wind-force of air outlet 13 output. Preferably, air intake 12 on the suspension type main part 1 sets up in the surface that deviates from the neck department of suspension type main part 1, and a plurality of air intakes 12 evenly lay the surface at suspension type main part 1, when guaranteeing the amount of wind that holds in the chamber 11 of input suspension type main part 1, can reduce the noise that the fan assembly 5 that the user received produced in the operation process, are favorable to promoting user experience. Optionally, the air outlet 13 on the suspension type main body 1 may be disposed on an upward facing upper surface of the suspension type main body 1, so that wind generated by the fan assembly 5 in the accommodating cavity 11 can be blown towards the neck and head of the user, thereby relieving summer heat and cooling the user. Optionally, the quantity of the air outlet 13 on the suspension type main part 1 is a plurality of, and the upper surface towards the top of suspension type main part 1 is laid at the equidistant of a plurality of air outlets 13, can sweep the cooling to the user by the multi-angle, satisfies user rapid cooling's demand.

Optionally, the suspension type main body 1 may include an inner casing and an outer casing that are fastened to each other, the inner casing is close to the neck, the neck is kept away from to the outer casing, the air outlet 13 may be disposed on the outer casing of the suspension type main body 1, so as to form the blowing to the face, further, the air outlet 13 may be disposed in a long strip shape along the main direction of the suspension type main body 1, the overall curvature of the long strip shape air outlet 13 is substantially the same as the curvature of the main body of the suspension type main body 1, so as to facilitate the processing, and since the way of the wind in the wind gathering channel 14 is substantially identical to the main body of the suspension type main body 1, the long strip shape air outlet 13 is more favorable for the wind in the wind gathering channel 14 to blow out, avoid the wind from turning and forming turbulent flow in the wind gathering channel 14, thereby improving the blowing effect and reducing the noise.

Optionally, all be provided with dustproof separation blade on the air intake 12 and the air outlet 13 of suspension type main part 1, when portable blast apparatus is in idle state, usable dustproof separation blade lid is established on air intake 12 and air outlet 13 of suspension type main part 1, prevent that external dust impurity from getting into from air intake 12 and air outlet 13 and hold the chamber 11 in, effectively prevent when portable blast apparatus opens again, the air that blows out from holding the chamber 11 is mingled with impurity, is favorable to promoting user experience.

Referring further to fig. 1 to 2, in the first embodiment, the number of the fan assemblies 5 disposed in the accommodating cavity 11 of the suspension main body 1 is not limited herein. Optionally, the number of the fan assemblies 5 is two, the two fan assemblies 5 are respectively arranged at two ends of the suspension type main body 1, and after air is sucked into the fan assemblies 5 at the two ends from the outside, the air is conveyed to the air outlet 13 along the air collecting channels 14 at two sides of the suspension type main body 1 to be discharged, so that the purposes of relieving summer heat and cooling the user are achieved.

Optionally, as another specific implementation manner of the portable air blowing device provided in the first embodiment of the present invention, the number of the fan assemblies 5 is one, the fan assembly 5 is disposed in a middle area of the suspension type main body 1 in the length direction, the suspension type main body 1 is provided with at least two air outlets 13, and the two air outlets 13 are respectively located at two opposite sides of the fan assembly 5, so that air sucked into the accommodating cavity 11 by the fan assembly 5 can be discharged along the air outlets 13 at two sides of the suspension type main body 1, and a user is swept from multiple angles, thereby meeting a requirement of a user for rapid cooling.

Optionally, as another specific implementation manner of the portable blowing device provided in the first embodiment of the present invention, the number of the fan assemblies 5 is three, two of the fan assemblies 5 are respectively disposed at two ends of the suspension type main body 1, another fan assembly 5 is disposed in the middle region of the suspension type main body 1, at least two air outlets 13 are disposed on the suspension type main body 1, and the two air outlets 13 are respectively disposed at two opposite sides of the fan assembly 5 in the middle region of the suspension type main body 1, so that air sucked into the accommodating cavity 11 by the fan assemblies 5 can be discharged along the air outlets 13 at two sides of the suspension type main body 1, when a user is purged from multiple angles, the suction amount of the portable blowing device to outside air is effectively increased, thereby increasing the wind power output by the air outlets 13, meeting the requirement of the user for rapid cooling, and improving the user experience.

Referring to fig. 3 and 8, in the first embodiment, the fan assembly 5 includes a mixed-flow centrifugal blower 51, and the mixed-flow centrifugal blower 51 has the advantages of high efficiency, low noise, compact structure, and easy installation. The mixed-flow supercharging centrifugal fan 51 comprises an air guide cone 511, a plurality of oblique flow blades 512 arranged at equal intervals along the circumferential outer surface of the air guide cone 511, and a motor for driving the air guide cone 511, wherein the motor drives the air guide cone 511 to rotate, and drives the plurality of oblique flow blades 512 arranged on the air guide cone 511 to rotate relative to the motor by taking the air guide cone 511 as a rotation center, so that the external air is introduced into the accommodating cavity 11 from the air inlet 12; meanwhile, a flow guide structure 513 for guiding the air flow direction is arranged on one side of the oblique flow blade 512 away from the air suction opening, so that a centrifugal air area 52 is formed on the periphery of the fan assembly 5, the air collecting channel 14 is communicated with the centrifugal air area 52, the flow direction of the air is guided by the flow guide structure 513 arranged on the oblique flow blade 512, so that the air sucked into the accommodating cavity 11 from the outside is blown to the accommodating cavity 11 along the extending direction of the flow guide structure 513, so that the centrifugal air area 52 is formed on the periphery of the fan assembly 5 in the accommodating cavity 11, that is, the air flow direction sucked into the accommodating cavity 11 from the air inlet 12 can be generally regarded as being parallel to the rotating shaft of the motor, and under the flow guide effect of the flow guide structure 513, the included angle between the air flow direction blown to the centrifugal air area 52 and the air flow direction sucked into the air inlet 12 is between 60 degrees and 120 degrees, that is greater than or equal to 60 degrees and less than or equal to 120 degrees; in other words, an included angle formed between the extending direction of the wind gathering channel 14 toward the air outlet 13 and the central axis of the wind guiding cone 511 is between 60 degrees and 120 degrees, that is, the included angle formed between the extending direction of the wind gathering channel 14 toward the air outlet 13 and the central axis of the wind guiding cone 511 is greater than or equal to 60 degrees and less than or equal to 120 degrees, so that the air flow can be pressurized in the flow guiding process, the wind power output by the air outlet 13 is increased, and the requirement of a user on rapid cooling is met. Preferably, an included angle formed between the extending direction of the air collecting channel 14 toward the air outlet 13 and the central axis of the air guiding cone 511 is between 80 degrees and 100 degrees, that is, an included angle formed between the extending direction of the air collecting channel 14 toward the air outlet 13 and the central axis of the air guiding cone 511 is greater than or equal to 80 degrees and less than or equal to 100 degrees, specifically, 80 degrees, 81 degrees, 82 degrees, 83 degrees, 84 degrees, 85 degrees, 86 degrees, 87 degrees, 88 degrees, 89 degrees, 90 degrees, 91 degrees, 92 degrees, 93 degrees, 94 degrees or 95 degrees, so that it is ensured that the mixed-flow pressurizing centrifugal fan 51 can pressurize the air flow in the process of sucking the outside air and guiding the air, and the air in the centrifugal air area 52 is conveyed to the air outlet 13 by the air collecting channel 14, thereby increasing the air force output by the air outlet 13, purging and cooling the user, meeting the requirement of rapid cooling of the user, and improving the user experience.

Optionally, the distance between the fan assembly 5 and the inner wall of the suspension type main body 1 is between 0.5 mm and 1.5 mm, that is, the distance between the fan assembly 5 and the inner wall of the suspension type main body 1 is greater than or equal to 0.5 mm and less than or equal to 1.5 mm, so as to form a pressurizing channel, prevent the oblique flow blade 512 on the mixed flow booster centrifugal fan 51 from idling due to the overlarge distance between the fan assembly 5 and the inner wall of the suspension type main body 1, and prevent the input airflow from being disturbed, so that the flow guiding and pressurizing effects cannot be realized; preferably, the distance between the inner walls of the fan assembly 5 and the suspension type main body 1 is 0.5 mm, the fan assembly 5 can be ensured to play a role in guiding and pressurizing air flow, meanwhile, the phenomenon that the fan assembly 5 and the suspension type main body 1 are scratched due to abutting of the inner walls of the suspension type main body 1 caused by vibration generated in the operation process of the fan assembly 5 can be prevented, the fan assembly 5 and the suspension type main body 1 are damaged, the service life of the portable blowing device can be prolonged, and noise generated in the operation process can be reduced. In other words, the present embodiment can integrate and realize the function of the wind gathering cover 2 through the inner wall of the suspension type main body 1, thereby reducing the disassembly structure required to be assembled, reducing the assembly procedures and reducing the production cost.

Optionally, the fan assembly 5 further includes a converging housing sleeved on the periphery of the mixed flow supercharging centrifugal fan 51, a converging channel for communicating the centrifugal air region 52 and the air collecting channel 14 is arranged on the converging housing, when the fan assembly 5 operates, air is sucked from the outside, the mixed flow supercharging centrifugal fan 51 pressurizes and guides the air to the centrifugal air region 52, then the converging channel of the converging housing collects the air flow in the centrifugal air region 52 and guides the air to the air collecting channel 14, the air collecting channel 14 is communicated with the air outlet 13, so that the air flow output by the fan assembly 5 is converged and accelerated through the converging channel and the air collecting channel 14, and then is discharged through the air outlet 13 to increase the air outlet speed, thereby effectively increasing the air power output by the air outlet 13, and meeting the requirement of rapid cooling of a user.

Optionally, as another specific implementation manner of the portable blowing device provided in the first embodiment of the present invention, the fan assembly 5 further includes a converging casing sleeved on the periphery of the mixed-flow centrifugal blower 51, the converging casing is provided with a converging channel for communicating the centrifugal air region 52 with the air outlet 13, when the fan assembly 5 operates, air is sucked from the outside, pressurized by the mixed-flow centrifugal blower 51 and guided to the centrifugal air region 52, and then the converging channel of the converging casing converges and guides the air flow in the centrifugal air region 52 to the air outlet 13, so that the air flow output by the fan assembly 5 is accelerated by the converging channel and then discharged through the air outlet 13, so as to increase the air outlet speed, thereby effectively increasing the wind power output by the air outlet 13, and meeting the requirement of rapid cooling of a user.

Optionally, as another specific implementation manner of the portable blowing device provided in the first embodiment of the present invention, the mixed-flow centrifugal blower 51 may be a coaxial double-sided mixed-flow blower, the air inlets 12 are disposed on two opposite sides of the suspension type main body 1, and the mixed-flow centrifugal blower 51 guides external air from the air inlets 12 on two sides of the suspension type main body 1 into the accommodating cavity 11, so as to increase the input of the external air, increase wind power, and thus increase the wind power output by the air outlet 13.

Referring to fig. 4 to 6, in the first embodiment, the portable blowing device further includes an air collecting cover 2 disposed in the accommodating cavity 11, the air collecting cover 2 and an inner wall of the suspension type main body 1 enclose to form an air collecting cavity 55, the fan assembly 5 is mounted in the air collecting cavity 55, and the air collecting cover 2 is provided with a position yielding opening 21 communicating the air collecting cavity 55 and the air inlet 12, so that when the fan assembly 5 works, air enters the position yielding opening 21 through the air inlet 12 and then enters the fan assembly 5; fan assembly 5 starts and utilizes and gathers leading-in inlet scoop of position mouth 21 with the outside air from air intake 12 on the wind lid 2, through fan assembly 5 pressurization, discharges again to gathering wind chamber 55, and the wind that fan assembly 5 produced gathers in gathering wind chamber 55, pressurizes again, then accelerates through gathering wind passageway 14, discharges through air outlet 13 after to effectively promote the wind-force of air outlet 13 output, satisfy the demand of user's rapid cooling. In other words, in the present embodiment, in order to ensure the integrity of the outer surface of the suspension body 1, the dedicated wind-gathering cover 2 is additionally provided between the inner wall of the suspension body 1 and the fan assembly 5, so that the product competitiveness of the portable blower is improved by increasing a certain manufacturing cost while ensuring the product performance.

It should be noted that there is no substantial structural or spatial division between the wind collecting channel 14 and the wind collecting cavity 55 in this embodiment, for example, in some embodiments, the wind collecting channel 14 and the wind collecting cavity 55 may be identical, that is, the wind collecting channel 14 is the wind collecting cavity 55, or in other embodiments, the wind collecting cavity 55 may be a part of the wind collecting channel 14.

Optionally, the distance between the fan assembly 5 and the inner wall of the wind gathering cover 2 is between 0.5 mm and 1.5 mm, that is, the distance between the fan assembly 5 and the inner wall of the wind gathering cover 2 is greater than or equal to 0.5 mm and less than or equal to 1.5 mm, so as to form a pressurizing channel, and prevent the oblique flow blades 512 on the mixed flow supercharging centrifugal fan 51 from idling and the input airflow from being disturbed, which cannot realize the flow guiding and pressurizing effects, due to the fact that the distance between the fan assembly 5 and the inner wall of the wind gathering cover 2 is too large. Preferably, fan unit 5 and gather the distance between the inner wall of wind lid 2 and be 0.5 millimeter, guarantee fan unit 5 can play water conservancy diversion and pressurization effect to the air current, can prevent simultaneously because fan unit 5 and gather the distance undersize between the inner wall of wind lid 2, fan unit 5 produces vibration in the operation process and leads to producing the butt with the inner wall of gathering wind lid 2 and scratch, cause fan unit 5 and gather wind lid 2 impaired, be favorable to prolonging portable blast apparatus's life, reduce the noise that produces in the operation process.

Optionally, the outer surface of the wind gathering cover 2 is provided with a buffer member for abutting against the inner wall of the suspension type main body 1, so as to buffer the vibration generated in the operation process of the fan assembly 5, and simultaneously reduce the noise generated when the wind gathering cover 2 and the inner wall of the suspension type main body 1 abut against and collide. Optionally, the buffer is shockproof foam or silica gel fixedly connected to the outer surface of the wind gathering cover 2.

Referring to fig. 4 and 5, in the first embodiment, the portable blowing device further includes a drainage structure 3 fixedly connected to the wind gathering cover 2, the drainage structure 3 and the inner wall of the suspension type main body 1 enclose to form a wind gathering channel 14 communicating the wind gathering cavity 55 and the wind outlet 13, so that the airflow output by the fan assembly 5 is accelerated and pressurized by the wind gathering channel 14, and then is discharged through the wind outlet 13 to increase the wind speed. The flow direction of the air is guided by the flow guide structure 513 arranged on the oblique flow blade 512 of the mixed flow supercharging centrifugal fan 51, so that the air flow sucked into the wind gathering cavity 55 from the outside is blown to the wind gathering cavity 55 along the extending direction of the flow guide structure 513, and the periphery of the fan assembly 5 forms a centrifugal wind area 52 in the wind gathering cavity 55, namely, the air flow sucked into the wind gathering cavity 55 from the air inlet 12 can be generally regarded as being parallel to the rotating shaft of the motor, and under the flow guide effect of the flow guide structure 513, the included angle between the air flow direction blown to the centrifugal wind area 52 and the air flow direction sucked into the air by the air inlet 12 is between 60 degrees and 120 degrees, namely, the included angle between the air flow direction blown to the centrifugal wind area 52 and the air flow direction sucked into the air inlet 12 is greater than or equal to 60 degrees and less than or equal to 120 degrees; in other words, an included angle formed between the extending direction of the wind gathering cavity 55 toward the wind outlet 13 and the central axis of the wind guiding cone 511 is between 60 degrees and 120 degrees, that is, the included angle formed between the extending direction of the wind gathering cavity 55 toward the wind outlet 13 and the central axis of the wind guiding cone 511 is greater than or equal to 60 degrees and less than or equal to 120 degrees, so that the air flow can be pressurized in the flow guiding process, the wind power output by the wind outlet 13 is increased, and the requirement of a user on rapid cooling is met.

Referring to fig. 4 and fig. 11, in the first embodiment, a compression passage 53 is formed between the centrifugal wind area 52 and the wind collecting passage 14, the sectional area of the compression passage 53 is gradually reduced from the centrifugal wind area 52 to the wind collecting passage 14, so as to smoothly guide the airflow of the centrifugal wind area 52 to the wind collecting passage 14, and since the sectional area of the compression passage 53 is gradually reduced, when the airflow passes through the compression passage 53, the pressure is increased, and the wind speed is increased, so that the air enters the centrifugal wind area 52 for compression after being pressurized by the fan assembly 5, and then is pressurized and increased in speed by the compression passage 53, and the wind power is increased, and meanwhile, the reverse backflow of the wind flowing into the wind collecting passage 14 to the centrifugal wind area 52 can be avoided, thereby further ensuring that the portable blowing device can continuously output high-pressure wind, relieve summer heat and cool the user, and meet the use requirements of the user.

Optionally, as another specific implementation manner of the portable blowing device provided in the first embodiment of the present invention, a compression passage 53 is formed between the centrifugal wind region 52 and the wind gathering passage 14, a sectional area of the compression passage 53 is smaller than a sectional area of the wind outlet portion of the centrifugal wind region 52, and a sectional area of the compression passage 53 is smaller than a sectional area of the wind inlet portion of the wind gathering passage 14, so as to smoothly guide the airflow of the centrifugal wind region 52 to the wind gathering passage 14, while since the sectional area of the compression passage 53 is smaller than a sectional area of the wind outlet portion of the centrifugal wind region 52 and smaller than a sectional area of the wind inlet portion of the wind gathering passage 14, when the airflow flows through the compression passage 53, the pressure is increased, and the wind speed is increased, so that the air enters the centrifugal wind region 52 to be gathered and pressurized after being pressurized by the fan assembly 5, and then is pressurized and accelerated by the compression passage 53, and the wind power can be prevented from reversely flowing into the centrifugal wind gathering passage 14 into the centrifugal wind region 52 while being increased, thereby further ensuring that the portable blowing device can continuously output high-pressure wind, thereby relieving the temperature of the user and satisfying the use requirement of the user.

Referring to fig. 7 to 9, in the first embodiment, the inner surface of the middle region of the suspension main body 1 is protruded with the supporting portion 4, when in use, the suspension main body 1 is hung on the neck of a user, and the supporting portion 4 can make the inner surface of the suspension main body 1 spaced apart from the neck of the user, so as to reduce the attaching area between the suspension main body 1 and the neck. In addition, the regional internal surface in middle part of suspension type main part 1 is equipped with air outlet 13, and supporting part 4 makes the internal surface and the user's neck of suspension type main part 1 separate, avoids user's neck to block up the air outlet 13 of suspension type main part 1 internal surface to the better cooling that dispels the heat to user's neck department.

Optionally, the portable blowing device further includes an EMS (Electrical stimulation) current pulse module, configured to generate a micro-current to act on the neck, so as to transmit a mild and soft electric wave through the epidermis layer to the dermis layer of the neck, so as to stimulate and massage the neck muscle, and stimulate the brain, the hypothalamus and the edge mesh structure with a low-intensity specific waveform current, so as to adjust the excitability of the brain, treat insomnia, anxiety or alleviate symptoms, thereby facilitating user experience improvement. Optionally, EMS current pulse module sets up in suspension type main part 1 and is located supporting part 4, and convenient equipment improves the integrated level.

Referring to fig. 7 to 9, in the first embodiment, the portable blowing device further includes a semiconductor cooling module 6, when the dc power provided by the power supply passes through the couple formed by two different semiconductor materials connected in series, the two ends of the couple can absorb heat and release heat respectively, so as to achieve the purpose of cooling, and the portable blowing device has a simple structure and high reliability. The user can be according to self user demand control semiconductor refrigeration module 6, and when fan assembly 5 produced wind current through semiconductor refrigeration module 6, semiconductor refrigeration module 6 refrigerates wind, effectively increases portable blast apparatus's air-out temperature range, promotes user experience.

Optionally, the semiconductor refrigeration module 6 includes a refrigeration piece 61 and a heat dissipation fan 62 for removing heat generated by the refrigeration piece 61, heat dissipation holes 15 have been opened at a position of the suspension type main body 1 corresponding to the heat dissipation fan 62, refrigeration is realized through the refrigeration piece 61 arranged in the suspension type main body 1, and heat generated by the refrigeration piece 61 is timely discharged out of the suspension type main body 1 through the heat dissipation holes 15 on the suspension type main body 1 by the heat dissipation fan 62, heat generated by the refrigeration piece 61 is prevented from gathering in the accommodating cavity 11, air mixed in the flowing-through accommodating cavity 11 is prevented, the air is discharged out of the suspension type main body 1 through the air outlet 13, the gas temperature output by the air outlet 13 is higher, the requirement of rapid cooling of a user cannot be met, meanwhile, the phenomenon that local temperature in the suspension type main body 1 is too high to accelerate aging of internal components is avoided, and the service life of the portable air blowing device is prolonged.

Optionally, as another specific implementation manner of the portable air blowing device provided in the first embodiment of the present invention, the fan assembly 5 is provided with a heat dissipation branch air duct for removing heat generated by the refrigeration piece 61 of the semiconductor refrigeration module 6, the suspension type main body 1 is provided with heat dissipation holes 15 at positions corresponding to the semiconductor refrigeration module 6, refrigeration is achieved by the refrigeration piece 61 arranged in the suspension type main body 1, and heat generated by the refrigeration piece 61 is timely exhausted out of the suspension type main body 1 through the heat dissipation holes 15 on the suspension type main body 1 by the heat dissipation branch air duct of the fan assembly 5, so as to prevent heat generated by the refrigeration piece 61 from being accumulated in the accommodating cavity 11 and mixed with air flowing through the accommodating cavity 11, and the air is exhausted out of the suspension type main body 1 through the air outlet 13, which causes a higher temperature of air output by the air outlet 13, and cannot meet a requirement of a user for rapidly cooling, and meanwhile, accelerated aging of internal components caused by an excessively high local temperature in the suspension type main body 1 is avoided, which is beneficial to prolonging a service life of the portable air blowing device.

Referring to fig. 4 and 6, in the first embodiment, the portable blowing device further includes a power supply for supplying electric power required for the operation to the fan assembly 5, the EMS current pulse module, and the semiconductor cooling module 6. The power can set up in suspension type main part 1 hold chamber 11, perhaps can carry out the cut straightly power supply through external power source and use, can reduce portable blast apparatus's volume and weight effectively, and the user of being convenient for hand-carries the use, satisfies user's user demand.

Optionally, the power is the battery of setting in suspension type main part 1, be provided with splint on the inner wall of suspension type main part 1, form the spacing groove between splint and the inner wall of suspension type main part 1, install the power at the spacing inslot, with fixed power supply, can prevent on the one hand that the user from shaking the production vibrations because the power is rocking in holding chamber 11 in the use, avoid the power and the inner wall collision production noise of suspension type main part 1, or cause the damage to the power, be favorable to prolonging portable blast apparatus's life, on the other hand be convenient for the operation personnel can accurately with the power installation to holding the predetermined position in chamber 11 in the assembling process, be favorable to improving packaging efficiency, make portable blast apparatus's structure more compact, promote portable blast apparatus's structural stability and reliability.

Optionally, portable blast apparatus still including set up at the surface of suspension type main part 1 and with power electric connection's the interface that charges, the user accessible charges to the battery in the suspension type main part 1 with the interface that charges, and the guarantee power storage has sufficient electric energy to supply portable blast apparatus operation, satisfies user's user demand.

Optionally, portable blast apparatus still include with power electric connection's control panel and with control panel electric connection's function key, the function key is installed on suspension type main part 1, control panel installs in suspension type main part 1, user's accessible operation sets up the function key on suspension type main part 1, opens portable blast apparatus and stops control or mode selection, satisfies user's user demand, the simple operation.

Referring to fig. 10 to 12 together, as a specific implementation manner of the portable blowing device according to the second embodiment of the present invention, the fan assembly 5 further includes an auxiliary blower 54 sleeved on an outer periphery of the mixed-flow supercharged centrifugal blower 51, the motor of the mixed-flow supercharged centrifugal blower 51 drives the air guide cone 511 to rotate, and drives the plurality of diagonal flow blades 512 disposed on the air guide cone 511 to rotate relative to the motor with the air guide cone 511 as a rotation center, so as to drive the auxiliary blower 54 sleeved on an outer periphery of the mixed-flow supercharged centrifugal blower 51 to rotate, the air suction opening includes a main air opening disposed in communication with the mixed-flow supercharged centrifugal blower 51 and an auxiliary air opening disposed in communication with the auxiliary blower 54, and under the combined action of the mixed-flow supercharged centrifugal blower 51 and the auxiliary blower 54, the input amount of the outside air introduced into the accommodating cavity 11 from the air inlet 12 is effectively increased, and the air flow direction is increased by using the air collecting channel 14 to limit the air flow direction, so as to form high-pressure air, and the air flow is conveyed to the air collecting channel 14 to the air outlet 13, so as to blow and cool the user. Alternatively, the auxiliary fan 54 may be a straight-flow centrifugal fan or a diagonal-flow centrifugal fan.

In some embodiments, the suspension body 1 and/or the supporting portion 4 may be further sleeved with a replaceable ice-feeling material kit (not shown) for absorbing moisture and conducting heat, and the ice-feeling material kit may specifically include cotton threads and ice-feeling fiber threads, and may be formed by intersecting and interlacing the cotton threads and the ice-feeling fiber threads. This embodiment is through adding removable ice feeling material external member that trades, can alleviate the user and can't dispel the heat when wearing portable blast apparatus, the sweat glues the uncomfortable of exhaling, ensures the cool and comfortable sensation of user when portable blast apparatus is used to the open air.

In some embodiments, a power installation cavity (not shown) for a pluggable standby power supply may be further embedded in the suspension main body 1 and/or the supporting portion 4, so as to switch the power supply to use at any time, thereby improving the endurance of the portable blowing device.

In some embodiments, a solar panel may be embedded on the outer shell of the suspension type main body 1 to perform self-generating use when the portable blowing device is outdoors.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable air-blowing device, comprising:

2. A portable blowing apparatus according to claim 1, characterised in that: the fan assembly comprises a mixed flow supercharging centrifugal fan, the mixed flow supercharging centrifugal fan comprises an air guide cone, a plurality of oblique flow blades and a motor, the oblique flow blades are arranged along the circumferential outer surface of the air guide cone at equal intervals, the motor is used for driving the air guide cone, a flow guide structure used for guiding the air flowing direction is arranged on one side, away from the air suction opening, of each oblique flow blade, so that a centrifugal air area is formed on the periphery of the fan assembly, and an air gathering channel is communicated with the centrifugal air area.

3. A portable blowing apparatus according to claim 2, characterized in that: the fan assembly further comprises a confluence shell sleeved on the periphery of the mixed flow supercharging centrifugal fan, and a confluence channel used for communicating the centrifugal air area with the air gathering channel is arranged on the confluence shell;

4. A portable blowing apparatus according to claim 2, characterised in that: a pressurizing and reducing channel is formed between the centrifugal air area and the air gathering channel, and the sectional area of the pressurizing and reducing channel is gradually reduced from the centrifugal air area to the air gathering channel;

or a pressurizing and compressing channel is formed between the centrifugal wind area and the wind gathering channel, the sectional area of the pressurizing and compressing channel is smaller than that of the wind outlet part of the centrifugal wind area, and the sectional area of the pressurizing and compressing channel is smaller than that of the wind inlet part of the wind gathering channel.

5. A portable blowing apparatus according to claim 2, characterised in that: an included angle formed between the extending direction of the air gathering channel towards the air outlet and the central axis of the air guiding cone is between 60 degrees and 120 degrees.

6. A portable blowing apparatus according to claim 2, characterized in that: the fan assembly further comprises an auxiliary fan which is sleeved on the periphery of the mixed flow supercharging centrifugal fan, and the air suction opening comprises a main air opening and an auxiliary air opening, wherein the main air opening is communicated with the mixed flow supercharging centrifugal fan, and the auxiliary air opening is communicated with the auxiliary fan.

7. The portable blowing apparatus of claim 6, characterized in that: the auxiliary fan is a direct-flow centrifugal fan or an oblique-flow centrifugal fan.

8. A portable blowing apparatus according to claim 1, characterized in that: the distance between the fan assembly and the inner wall of the suspended body is between 0.5 mm and 1.5 mm.

9. The portable blowing apparatus of any one of claims 1 to 8, characterized in that: the portable blowing device is characterized in that the portable blowing device further comprises a wind gathering cover arranged in the accommodating cavity, the wind gathering cover and the inner wall of the suspension type main body are enclosed to form a wind gathering cavity, the fan assembly is installed in the wind gathering cavity, and the wind gathering cover is provided with a position opening communicated with the wind gathering cavity and the air inlet.

10. A portable blowing apparatus according to claim 9, characterised in that: the distance between the fan assembly and the inner wall of the wind gathering cover is between 0.5 mm and 1.5 mm.

11. A portable blowing apparatus according to claim 9, characterized in that: the outer surface of the wind gathering cover is provided with a buffer piece used for being abutted to the inner wall of the suspension type main body.

12. A portable blowing apparatus according to claim 9, characterized in that: the portable air blowing device further comprises a drainage structure fixedly connected with the air gathering cover, and the drainage structure and the inner wall of the suspended main body are enclosed to form an air gathering channel communicated with the air gathering cavity and the air outlet.

13. A portable blowing device according to any one of claims 1 to 8, characterised in that: the portable blowing device further comprises an EMS current pulse module which is used for generating micro current to act on the neck position.

14. The portable blowing apparatus of any one of claims 1 to 8, characterized in that: the portable air blowing device also comprises a semiconductor refrigerating module, the semiconductor refrigerating module comprises a refrigerating piece and a heat radiating fan used for removing heat generated by the refrigerating piece, and a heat radiating hole is formed in the position, corresponding to the heat radiating fan, of the suspension type main body;

15. The portable blowing apparatus of any one of claims 1 to 8, characterized in that: the suspension type main body comprises a flexible outer shell and a fixed section fixedly connected with the inner wall of the flexible outer shell.

16. The portable blowing apparatus of any one of claims 1 to 8, characterized in that: the number of the fan assemblies is two, and the two fan assemblies are respectively arranged at two ends of the suspension type main body.

17. A portable blowing device according to any one of claims 1 to 8, characterised in that: the fan assembly is arranged in the middle area of the suspension type main body, at least two air outlets are arranged on the suspension type main body, and the two air outlets are respectively positioned on two opposite sides of the fan assembly.

18. The portable blowing apparatus of any one of claims 1 to 8, characterized in that: the quantity of fan subassembly is three, wherein two the fan subassembly sets up respectively the both ends of suspension type main part, another the fan subassembly sets up the middle part of suspension type main part is regional, be provided with at least two in the suspension type main part the air outlet, two the air outlet sets up respectively the middle part of suspension type main part is regional the relative both sides of fan subassembly.