Pressurized mixed fluid generator

Abstract

The utility model relates to the technical field of fans, and discloses a supercharged mixed fluid generator which comprises a motor mounting seat, a motor; a fan blade; the first shell comprises a first outer ring and a first pressurizing sheet; the inner wall of the first outer ring, the first pressurizing sheet and the motor mounting seat form a first speed-increasing air duct; the second shell comprises a second outer ring, a pressurizing seat and a second pressurizing sheet; the inner wall of the second outer ring, the second pressurizing sheet and the pressurizing seat form a second accelerating air duct; the third shell comprises a third outer ring, an air guide seat and a third pressurizing sheet, the inner wall of the third outer ring, the third pressurizing sheet and the air guide seat form a third speed-increasing air duct, and the motor drives the fan blades to rotate to generate negative pressure at the air inlet end to guide airflow to the first speed-increasing air duct, the second speed-increasing air duct and the third speed-increasing air duct; after airflow is accelerated through the first acceleration air duct, the second acceleration air duct and the third acceleration air duct, the air volume and the air supply distance are increased.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a pressurized mixed fluid generator. Background Art

[0002] A fan is an electrical appliance that uses an electric motor to drive the blades to rotate to accelerate the circulation of air.

[0003] Most of the fans currently on the market use a structure in which a motor and fan blades are arranged inside a shell to achieve a straight-in and straight-out blowing mode.

[0004] This structure has the advantages of simple structure, small air volume loss and unchanged air flow direction, so it is widely used in the market. However, it also has obvious disadvantages. Due to its low wind pressure and short air supply distance, it cannot blow air at a slightly longer distance and cannot cool down the user. There is also a lack of effective solutions to this problem on the market.

[0005] Therefore, improvements need to be made. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a pressurized mixed fluid generator for the defects existing in the above-mentioned prior art, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a pressurized mixed fluid generator, characterized in that it includes:

[0008] Motor mount;

[0009] A motor, wherein the motor is arranged on the motor mounting seat;

[0010] A fan blade, wherein the fan blade is arranged on an output end of the motor;

[0011] A first shell, the first shell is located at the air inlet end; the first shell includes a first outer ring and one or more first pressure sheets; the first pressure sheets are distributed on the inner wall of the first outer ring and extend to connect the outer peripheral edge of the motor mounting seat; the inner wall of the first outer ring, the first pressure sheet and the motor mounting seat form a first speed-increasing air duct, and the first speed-increasing air duct is increased by the first pressure sheet, resulting in a smaller radial ventilation area, thereby pressurizing and speeding up the airflow;

[0012] A second shell, the second shell is located at the air outlet end and connected to the first shell; the second shell includes a second outer ring, a booster seat and one or more second pressurizing sheets; the second pressurizing sheets are distributed on the inner wall of the second outer ring and extend to the outer peripheral edge of the booster seat; the inner wall of the second outer ring, the second pressurizing sheet and the booster seat form a second speed-increasing air duct, and the second speed-increasing air duct is increased by the second pressurizing sheet, resulting in a smaller radial ventilation area, thereby pressurizing and speeding up the airflow; wherein, a side of the booster seat close to the air outlet end is provided with a second convex surface formed by radial contraction in the direction from the air inlet end to the air outlet end, so as to guide the airflow;

[0013] A third shell, the third shell is arranged at the air outlet end of the second shell; the third shell includes a third outer ring, an air guide seat and one or more third pressure plates; the third pressure plates are distributed on the inner wall of the third outer ring and extend to connect the outer peripheral edge of the air guide seat; the third outer ring, the third pressure plates and the air guide seat form a third speed-increasing air duct, and the third speed-increasing air duct is increased by the third pressure plate, resulting in a smaller radial ventilation area, thereby pressurizing and accelerating the airflow so as to guide the airflow to be blown out;

[0014] Among them, the motor drives the fan blades to rotate to generate negative pressure at the air inlet end to guide the airflow to the first speed-increasing air duct; the airflow is pressurized by the first pressure plate in the first outer circle and guided to the second speed-increasing air duct; the airflow is pressurized and blown to the third speed-increasing channel through the second pressure plate in the second speed-increasing air duct; the airflow is pressurized and blown out through the third pressure plate in the third speed-increasing air duct, so that the air volume and air supply distance are increased after the airflow is accelerated through the first speed-increasing air duct, the second speed-increasing air duct and the third speed-increasing air duct.

[0015] Furthermore, the first pressure sheet is distributed clockwise or counterclockwise from the air inlet end to the air outlet end, so that the first pressure sheet of the first speed-increasing air duct guides the airflow forward or gathers the airflow in the reverse direction to the second speed-increasing air duct, and the second pressure sheet is distributed counterclockwise or clockwise from the air inlet end to the air outlet end, so that the second pressure sheet gathers the airflow in the reverse direction or blows it out in the forward direction, thereby achieving the effect of pressurizing and gathering the airflow.

[0016] Furthermore, the motor includes a stator and a rotor, the stator is fixed on the motor mounting seat, the rotor is arranged on the fan blades, and the rotor is sleeved on the stator.

[0017] Furthermore, the motor mounting seat is provided with a convex column which extends axially and is hollow inside; the fan blades include a hub portion and blades evenly arranged on the outer circumferential surface of the hub portion, and the hub portion has a receiving portion which is recessed inwardly; the stator includes an iron core inserted on the convex column and a coil wound on the iron core; the rotor includes a rotating shaft axially arranged on the receiving portion and a magnetic ring attached to the radial inner wall of the receiving portion, and the rotating shaft is inserted in the convex column.

[0018] Furthermore, it includes a driving circuit board, which is electrically connected to the motor to drive the motor to drive the fan blades to rotate, and the airflow is accelerated through the first speed-increasing air duct and the second speed-increasing air duct in sequence and then blown out.

[0019] Further, it includes an air inlet hood, which is provided with a hollow accommodating portion along the air inlet end to the air outlet end, and at least a portion of the accommodating portion extends to the first shell or the second shell or the third shell; to form a package that wraps the first shell or the first shell, the second shell or the first shell, the second shell, the third shell, or to form a package contained in the first shell or the first shell, the second shell or the first shell, the second shell, the third shell.

[0020] Furthermore, the blades of the fan blades are distributed counterclockwise from the air inlet end to the air outlet end.

[0021] Furthermore, it includes a power supply interface for providing electric power, and the power supply interface is electrically connected to the driving circuit board.

[0022] Furthermore, the air inlet cover is provided with an air inlet grille at the air inlet end, and the air inlet grille includes connecting strips evenly distributed around the circumference, and the connecting strips radially extend and connect to the inner wall of the air inlet cover to form a gap to prevent foreign matter from entering.

[0023] Furthermore, it includes a battery, and the battery is electrically connected to the power supply interface so that the battery can be charged and store electricity.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] 1. A three-speed increasing air duct form is adopted. When the airflow passes through the first speed increasing air duct, the first pressure plate arranged in the first speed increasing air duct causes the radial ventilation area to become smaller to achieve pressurization of the airflow. At the same time, the first speed increasing air duct is located at the air inlet end, thereby being able to absorb the surrounding air and increase the air volume. When the airflow passes through the second speed increasing air duct, the airflow is further pressurized in the second stage under the action of the second pressure plate of the second speed increasing air duct, and a second convex surface is arranged on the air outlet end of the second speed increasing air duct, and the second convex surface is used to guide the airflow. When the airflow passes through the third speed increasing air duct, the airflow is further pressurized in the third stage under the action of the third pressure plate of the third speed increasing air duct, thereby achieving an increase in the air volume and air delivery distance of the airflow.

[0026] 2. The first pressure plate in the first speed-increasing air duct is arranged to be distributed clockwise or counterclockwise, and the second pressure plate in the second speed-increasing air duct is arranged to be distributed counterclockwise or clockwise. With the combined effect of the two, it is possible to guide the airflow first and then gather the air, thereby adjusting the direction of the airflow; or to gather the airflow first and then guide the air, thereby adjusting the direction of the airflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of the utility model.

[0028] Figure 2 It is a structural schematic diagram of the utility model from another angle.

[0029] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0030] Figure 4 It is a partial cross-sectional structural schematic diagram of the utility model.

[0031] Figure 5 It is a partial cross-sectional structural schematic diagram of the utility model.

[0032] Figure 6 It is a schematic diagram of the first shell structure.

[0033] Figure 7 This is a schematic diagram of the structure of the first shell from another angle.

[0034] Figure 8 2 is a schematic diagram of the second shell structure.

[0035] Fig. 9 This is a schematic diagram of the structure of the second shell from another angle.

[0036] Fig.10 This is a schematic diagram of the structure of the second shell from another angle.

[0037] Fig.11 Schematic diagram of the third shell structure.

[0038] Fig.12 This is a schematic diagram of the structure of the third shell from another angle.

[0039] Fig.13 It is a schematic diagram of the structures of the first shell, the second shell and the third shell.

[0040] Fig.14 It is a schematic diagram of the structure of the fan blade.

[0041] Fig.15 It is a structural diagram of the fan blades and rotor.

[0042] Fig.16 It is a schematic diagram of the structure of the stator.

[0043] Fig.17 It is a structural schematic diagram of the air inlet cover.

[0044] Figure numerals: 1. motor mounting seat; 2. motor; 3. fan blades; 4. first shell; 5. first outer ring; 6. first pressure plate; 7. first speed-increasing air duct; 8. second shell; 9. second outer ring; 10. pressure seat; 11. second pressure plate; 12. second speed-increasing air duct; 13. second convex surface; 14. third shell; 15. third outer ring; 16. air guide seat; 17. third pressure plate; 18. third speed-increasing air duct; 19. stator; 20. rotor; 21. boss; 22. hub; 23. blades; 24. storage part; 25. iron core; 26. coil; 27. rotating shaft; 28. magnetic ring; 29. ​​driving circuit board; 30. air inlet cover; 31. accommodating part; 32. power supply interface; 33. air inlet grille; 34. battery. DETAILED DESCRIPTION

[0045] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0046] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0047] like Figure 1-12As shown, a pressurized mixed fluid generator is provided, comprising: a motor mounting seat 1; a motor 2, the motor 2 being arranged on the motor mounting seat 1; a fan blade 3, the fan blade 3 being arranged on the output end of the motor 2; a first shell 4, the first shell 4 being located at the air inlet end; the first shell 4 comprising a first outer ring 5 and one or more first pressurizing sheets 6; the first pressurizing sheets 6 are distributed on the inner wall of the first outer ring 5 and extend to connect the outer peripheral edge of the motor mounting seat 1; the inner wall of the first outer ring 5, the first pressurizing sheet 6 and the motor mounting seat 1 form a first speed-increasing air duct 7, and the first speed-increasing air duct 7 increases the pressure via the first pressurizing sheet 6 The radial ventilation area becomes smaller, thereby pressurizing and accelerating the airflow; the second shell 8, the second shell 8 is located at the air outlet end and connected to the first shell 4; the second shell 8 includes a second outer ring 9, a booster seat 10 and one or more second pressurizing sheets 11; the second pressurizing sheets 11 are distributed on the inner wall of the second outer ring 9 and extend to the outer peripheral edge of the booster seat 10; the inner wall of the second outer ring 9, the second pressurizing sheet 11 and the booster seat 10 form a second speed-increasing air duct 12, and the second speed-increasing air duct 12 is increased by the second pressurizing sheet 11, thereby reducing the radial ventilation area, thereby pressurizing and accelerating the airflow; wherein, the booster seat 10 is close to A second convex surface 13 is formed on one side of the air outlet end by radial contraction in the direction from the air inlet end to the air outlet end so as to guide the airflow; a third shell 14 is arranged at the air outlet end of the second shell 8; the third shell 14 includes a third outer ring 15, an air guide seat 16 and one or more third pressure sheets 17; the third pressure sheets 17 are distributed on the inner wall of the third outer ring 15 and extend to connect the outer peripheral edge of the air guide seat 16; the third outer ring 15, the third pressure sheet 17 and the air guide seat 16 form a third speed-increasing air duct 18, and the third speed-increasing air duct 18 is increased by the third pressure sheet 17, resulting in a smaller radial ventilation area The airflow is pressurized and accelerated so that the airflow is guided and blown out; wherein, the motor 2 drives the fan blades 3 to rotate to generate negative pressure at the air inlet end to guide the airflow to the first speed-increasing duct 7; the airflow is pressurized and guided to the second speed-increasing duct 12 via the first pressure plate 6 in the first outer ring 5; the airflow is pressurized and blown to the third speed-increasing channel via the second pressure plate 11 in the second speed-increasing duct 12; the airflow is pressurized and blown out via the third pressure plate 17 in the third speed-increasing duct 18, so that the airflow increases the air volume and air supply distance after being accelerated through the first speed-increasing duct 7, the second speed-increasing duct 12, and the third speed-increasing duct 18.

[0048] In view of the technical problems recorded in the background technology, in the above technical scheme, the motor mounting seat 1 is arranged on the first shell 4, the motor mounting seat 1 and the first shell 4 can be integrally formed or independent components, the motor mounting seat 1 can be arranged at the air inlet end position or the air outlet end position of the first shell 4, as an implementable technical method, the motor mounting seat 1 and the first shell 4 are integrally formed and the motor mounting seat 1 is arranged at the air outlet end of the first shell 4, the first pressure plate 6 can be evenly distributed or unevenly distributed between the first outer ring 5 and the motor mounting seat 1, preferably, the first pressure plate 6 is evenly distributed on the circumference, and due to the presence of the first pressure plate 6, the airflow is radially ventilated through the first outer ring 5 The area is reduced, and the first shell 4 is located at the air inlet end, the airflow can absorb the airflow around and increase the air volume; at the same time, the airflow is pressurized to increase the airflow speed; the second shell 8 includes a second outer ring 9, a supercharger seat 10 and a second pressurizing sheet 11, wherein the second outer ring 9, the supercharger seat 10 and the second pressurizing sheet 11 can be integrally formed or in the form of independent components, preferably, the second outer ring 9, the supercharger seat 10 and the second pressurizing sheet 11 are integrally formed, the second shell 8 can be integrally formed with the first shell 4 or in the form of independent components, the second pressurizing sheet 11 can be uniformly distributed or unevenly distributed between the second outer ring 9 and the supercharger seat 10, preferably, the second pressurizing sheet 11 is uniformly distributed around the circumference. The existence of the second pressurizing sheet 11 in the second speed-increasing air duct 12 reduces the radial ventilation area of ​​the airflow passing through the second outer ring 9, further supercharging the airflow and increasing the airflow speed. In the structural design of the booster seat 10, a second convex surface 13 is provided, and the second convex surface 13 is radially contracted in the direction from the air inlet end to the air outlet end. The cross-sectional area of ​​the second convex surface 13 is an arc, and the first convex surface is in the form of an arc surface. When the airflow is blown out through the second speed-increasing air duct 12, under the action of the second convex surface 13, the airflow pressure will not drop suddenly, thereby forming a pressurized guide for the airflow; the third shell 14 includes a third outer ring 15, an air guide seat 16 and a third pressurizing sheet 17, wherein the third outer ring 15, the air guide seat 16 and the third pressurizing sheet 17 It can be in the form of an integral molding or an independent component. Preferably, the third outer ring 15, the air guide seat 16 and the third pressure plate 17 are integrally molded. The third shell 14 can be integral with the second shell 8 or the third shell 14 can be integral with the second shell 8 and the first shell 4 or the third shell 14, the second shell 8 and the first shell 4 are independent components. The third pressure plate 17 can be evenly distributed or unevenly distributed between the third outer ring 15 and the air guide seat 16. Preferably, the third pressure plate 17 is evenly distributed around the circumference. The presence of the third pressure plate 17 in the third speed-increasing air duct 18 reduces the radial ventilation area of ​​the airflow passing through the third outer ring 15, further pressurizing the airflow and increasing the airflow speed.

[0049] During use, the motor 2 drives the fan blades 3 to rotate, and a three-speed increasing air duct form is adopted. When the airflow passes through the first speed increasing air duct 7, the first pressure plate 6 provided in the first speed increasing air duct 7 causes the radial ventilation area to become smaller to achieve the pressurization of the airflow. At the same time, the first speed increasing air duct 7 is located at the air inlet end, thereby being able to absorb the surrounding air and increase the air volume; when the airflow passes through the second speed increasing air duct 12, under the action of the second pressure plate 11 of the second speed increasing air duct 12, the airflow is further pressurized in the second stage; when the airflow passes through the third speed increasing air duct 18, under the action of the third pressure plate 17 of the third speed increasing air duct 18, the airflow is further pressurized in the third stage, thereby achieving the increase in the air volume and air delivery distance of the airflow.

[0050] refer to Figure 7 , Fig. 9 and Fig.13 As shown, the first pressure plate 6 is distributed clockwise or counterclockwise from the air inlet end to the air outlet end, so that the first pressure plate 6 of the first speed increasing air duct 7 guides the airflow in the forward direction or gathers the airflow in the reverse direction to the second speed increasing air duct 12, and the second pressure plate 11 is distributed counterclockwise or clockwise from the air inlet end to the air outlet end, so that the second pressure plate 11 gathers the airflow in the reverse direction or blows it out in the forward direction, thereby achieving the effect of pressurizing and gathering the airflow.

[0051] As a preferred technical solution, in an implementable manner, the first pressure sheet 6 is set in a clockwise direction and the second pressure sheet 11 is set in a counterclockwise direction. As the airflow moves centrifugally along the surrounding directions of the fan blades 3 under the drive of the fan blades 3, the setting direction of the first pressure sheet 6 of the first speed-increasing air duct 7 is opposite to the direction of the airflow movement. The first pressure sheet 6 gathers the wind moving in the surrounding directions to change the flow direction of the airflow; the airflow passing through the first speed-increasing air duct 7 is guided to the second speed-increasing air duct 12, and the second pressure sheet 11 of the second speed-increasing air duct 12 is set in a counterclockwise direction. As the counterclockwise setting of the second pressure sheet 11 is the same as the movement direction of the airflow, the second pressure sheet 11 guides the gathered airflow, and then the wind passing through the second speed-increasing air duct 12 is blown out in the front. Avoid the airflow from being dispersed and blown out, resulting in air volume loss, and achieve the effect of gathering and pressurizing.

[0052] In another feasible manner, the first pressure plate 6 is arranged counterclockwise and the second pressure plate 11 is arranged clockwise. As the airflow is driven by the fan blades 3, the airflow moves centrifugally in the directions around the fan blades 3. The setting direction of the first pressure plate 6 of the first speed increasing air duct 7 is the same as the direction of the airflow movement. The first pressure plate 6 guides and pressurizes the wind moving around. Since the clockwise setting of the second pressure plate 11 is opposite to the direction of the airflow movement, the second pressure plate 11 can gather the airflow and change its flow direction, so that the airflow can be blown out from the front when it is blown out, thereby avoiding the airflow being dispersed and causing air volume loss.

[0053] Reference Figure 3 , Figure 14-16 As shown, the motor 2 includes a stator 19 and a rotor 20, wherein the stator 19 is fixed on the motor 2 mounting base 1, and the rotor 20 is disposed on the fan blade 3, and the rotor 20 is sleeved on the stator 19. In implementation, the motor 2 can be in the form of a brushed motor or a brushless motor.

[0054] The motor mounting base 1 is provided with a convex column 21 which extends axially and is hollow inside; the fan blade 3 includes a hub portion 22 and blades 23 evenly arranged on the outer peripheral surface of the hub portion 22, and the hub portion 22 has a receiving portion 24 which is recessed inwardly; the stator 19 includes an iron core 25 inserted on the convex column 21 and a coil 26 wound on the iron core 25; the rotor 20 includes a rotating shaft 27 axially arranged on the receiving portion 24 and a magnetic ring 28 attached to the radial inner wall of the receiving portion 24, and the rotating shaft 27 is inserted in the convex column 21.

[0055] Preferably, as an implementable technical solution, the motor 2 adopts an outer rotor brushless motor. Structurally, the hub portion 22 of the fan blade 3 is provided with a storage portion 24, and the fan blade 3 is used as the installation position of the rotor 20. The magnetic ring 28 and the rotating shaft 27 of the rotor 20 are arranged at the position of the storage portion 24, thereby optimizing the structure and saving the number of components. At the same time, a hollow boss 21 is arranged on the motor mounting seat 1 to facilitate the insertion of the rotating shaft 27 into the boss 21 for positioning. At the same time, the iron core 25 and the coil 26 of the stator 19 can be sleeved on the boss 21 for positioning. The fan blade 3 is driven by the designed outer rotor brushless motor structure, which can be more compact in structure, save the number of components, and thus reduce costs.

[0056] refer to Figure 3 As shown, the utility model also includes a driving circuit board 29, and the driving circuit board 29 is electrically connected to the motor 2 to drive the motor 2 to drive the fan blades 3 to rotate, and the airflow is accelerated through the first speed-increasing air duct 7 and the second speed-increasing air duct 12 in sequence and then blown out.

[0057] In implementation, the driving circuit board 29 can be built-in or external. When built-in, it can be installed on the first shell 4, the second shell 8 or the third shell 14. When external, it can be installed by setting up an additional shell. There is no limitation on this. The driving circuit board 29 is mainly used to drive and control various components.

[0058] refer to Figure 3 and Fig.17As shown, the utility model includes an air inlet hood 30, and the air inlet hood 30 is provided with a hollow accommodating portion 31 along the air inlet end to the air outlet end, and at least a portion of the accommodating portion 31 extends to the first shell 4 or the second shell 8 or the third shell 14; to form a package for the first shell 4 or the first shell 4, the second shell 8 or the first shell 4, the second shell 8, the third shell 14, or to form a package in the first shell 4 or the first shell 4, the second shell 8 or the first shell 4, the second shell 8, the third shell 14.

[0059] In a further technical solution, an air inlet cover 30 is added, and the air inlet cover 30 is a hollow structure to form a receiving portion 31. The air inlet cover 30 can be arranged on one side of the first shell 4. In the first implementation, the air inlet cover 30 can receive the first shell 4, the second shell 8, and the third shell 14 through the receiving portion 31; in the second implementation, the air inlet cover 30 can receive the first shell 4 and the second shell 8 through the receiving portion 31; in the third implementation, the air inlet cover 30 can receive the first shell 4; in the fourth implementation, the receiving portion 31 of the air inlet cover 30 can be received in the first shell 4, the second shell 8, and the third shell 14; in the fifth implementation, the receiving portion 31 of the air inlet cover 30 can be received in the first shell 4 and the second shell 8; in the sixth implementation, the receiving portion 31 of the air inlet cover 30 can be received in the first shell 4. Preferably, the utility model adopts the sixth implementation.

[0060] Preferably, the blades 23 of the fan blade 3 are distributed counterclockwise from the air inlet end to the air outlet end. When the motor 2 rotates, the fan blade 3 is driven to rotate counterclockwise, so that the airflow direction entering the first speed-increasing air duct 7 is counterclockwise.

[0061] like Figure 3 As shown, it includes a power supply interface 32 for providing power, and the power supply interface 32 is electrically connected to the driving circuit board 29. The power supply interface 32 can be used as a connecting wire, such as using a plug and a socket to connect for power supply.

[0062] Preferably, the air inlet cover 30 is provided with an air inlet grille 33 at the air inlet end, and the air inlet grille 33 includes connecting strips evenly distributed around the circumference, and the connecting strips radially extend and connect to the inner wall of the air inlet cover 30 to form a gap to prevent foreign matter from entering. In the drawings, the specific shape of the air inlet grille 33 is not drawn.

[0063] Specifically, it includes a battery 34, and the battery 34 is electrically connected to the power supply interface 32 so as to charge and store electricity in the battery 34. The utility model further includes a battery 34, and the battery 34 can be powered by the power supply interface 32 to achieve battery life.

[0064] The above does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A pressurized mixed fluid generator, characterized in that: include: Motor mount; A motor, wherein the motor is arranged on the motor mounting seat; A fan blade, wherein the fan blade is arranged on an output end of the motor; A first shell, the first shell is located at the air inlet end; the first shell includes a first outer ring and one or more first pressure sheets; the first pressure sheets are distributed on the inner wall of the first outer ring and extend to connect the outer peripheral edge of the motor mounting seat; the inner wall of the first outer ring, the first pressure sheet and the motor mounting seat form a first speed-increasing air duct, and the first speed-increasing air duct is increased by the first pressure sheet, resulting in a smaller radial ventilation area, thereby pressurizing and speeding up the airflow; A second shell, the second shell is located at the air outlet end and connected to the first shell; the second shell includes a second outer ring, a booster seat and one or more second pressurizing sheets; the second pressurizing sheets are distributed on the inner wall of the second outer ring and extend to the outer peripheral edge of the booster seat; the inner wall of the second outer ring, the second pressurizing sheet and the booster seat form a second speed-increasing air duct, and the second speed-increasing air duct is increased by the second pressurizing sheet, resulting in a smaller radial ventilation area, thereby pressurizing and speeding up the airflow; wherein, a side of the booster seat close to the air outlet end is provided with a second convex surface formed by radial contraction in the direction from the air inlet end to the air outlet end, so as to guide the airflow; A third shell, the third shell is arranged at the air outlet end of the second shell; the third shell includes a third outer ring, an air guide seat and one or more third pressure plates; the third pressure plates are distributed on the inner wall of the third outer ring and extend to connect the outer peripheral edge of the air guide seat; the third outer ring, the third pressure plates and the air guide seat form a third speed-increasing air duct, and the third speed-increasing air duct is increased by the third pressure plate, resulting in a smaller radial ventilation area, thereby pressurizing and accelerating the airflow so as to guide the airflow to be blown out; Among them, the motor drives the fan blades to rotate to generate negative pressure at the air inlet end to guide the airflow to the first speed-increasing air duct; the airflow is pressurized by the first pressure plate in the first outer circle and guided to the second speed-increasing air duct; the airflow is pressurized and blown to the third speed-increasing air duct through the second pressure plate in the second speed-increasing air duct; the airflow is pressurized and blown out through the third pressure plate in the third speed-increasing air duct, so that the air volume and air supply distance are increased after the airflow is accelerated through the first speed-increasing air duct, the second speed-increasing air duct and the third speed-increasing air duct.

2. The pressurized mixed fluid generator according to claim 1, characterized in that: The first pressure sheet is distributed clockwise or counterclockwise from the air inlet end to the air outlet end, so that the first pressure sheet of the first speed-increasing air duct guides the airflow forward or gathers the airflow in the reverse direction to the second speed-increasing air duct, and the second pressure sheet is distributed counterclockwise or clockwise from the air inlet end to the air outlet end, so that the second pressure sheet gathers the airflow in the reverse direction or blows it out in the forward direction, thereby achieving the effect of pressurizing and gathering the airflow.

3. The pressurized mixed fluid generator according to claim 1, characterized in that: The motor comprises a stator and a rotor, wherein the stator is fixed on the motor mounting seat, the rotor is arranged on the fan blades, and the rotor is sleeved on the stator.

4. The pressurized mixed fluid generator according to claim 3, characterized in that: The motor mounting seat is provided with a convex column extending in the axial direction and having a hollow interior; The fan blade comprises a hub portion and blades evenly arranged on the outer peripheral surface of the hub portion, and the hub portion has a receiving portion that is recessed inwardly; The stator comprises an iron core inserted on the protruding column and a coil wound on the iron core; The rotor comprises a rotating shaft axially arranged on the receiving portion and a magnetic ring attached to the radial inner wall of the receiving portion, and the rotating shaft is inserted in the convex column.

5. The pressurized mixed fluid generator according to claim 2 or 4, characterized in that: It includes a driving circuit board, which is electrically connected to the motor to drive the motor to drive the fan blades to rotate, so that the airflow passes through the first speed-increasing air duct and the second speed-increasing air duct in sequence and then is blown out.

6. The pressurized mixed fluid generator according to claim 5, characterized in that: The air inlet cover comprises an air inlet cover, wherein the air inlet cover is provided with a hollow receiving portion from the air inlet end to the air outlet end, and at least a part of the receiving portion extends to the first shell or the second shell or the third shell; To form a shell that wraps around the first shell or the first shell, the second shell or the first shell, the second shell, the third shell, or to form a shell that is contained in the first shell or the first shell, the second shell or the first shell, the second shell, the third shell.

7. The pressurized mixed fluid generator according to claim 5, characterized in that: The blades of the fan blade are distributed counterclockwise from the air inlet end to the air outlet end.

8. The pressurized mixed fluid generator according to claim 5, characterized in that: A power supply interface is included for providing electric power, and the power supply interface is electrically connected to the driving circuit board.

9. The pressurized mixed fluid generator according to claim 6, characterized in that: The air inlet cover is provided with an air inlet grille at the air inlet end. The air inlet grille includes connecting strips evenly distributed around the circumference. The connecting strips radially extend and connect to the inner wall of the air inlet cover to form a gap to prevent foreign matter from entering.

10. The pressurized mixed fluid generator according to claim 8, characterized in that: A battery is included, and the battery is electrically connected to the power supply interface so as to charge the battery and store electricity.

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