CN217301007U - Small wind wheel for air circulation, air duct assembly and small air purifier - Google Patents

Abstract

The utility model provides a small wind wheel for air circulation, an air duct component and a small air purifier, wherein the air duct component and the air purifying component are arranged in the small air purifier, the wind wheel is arranged in the air channel assembly, the wind wheel is an axial oblique flow wind wheel, the wind wheel comprises a wind wheel shell, a wind wheel air inlet and a wind wheel air outlet, the wind wheel air inlet and the wind wheel air outlet are arranged on the wind wheel shell, the wind wheel shell comprises a plurality of blades, the blades are arranged along the circumferential direction of the wind wheel air inlet, the blades are arranged in an arc shape around the rotation axis of the wind wheel, by adopting the structure, the blades are arranged along the circumferential direction of the wind wheel air collecting opening, and a plurality of blades arc-shaped and bent, so that the wind wheel forms an axial oblique flow wind wheel, the noise is reduced while the air quantity is increased, the noise of a purifier arranged on the wind wheel is reduced, the noise in the vehicle is lower than the idling noise of the vehicle, and people in the vehicle feel more comfortable.

Description

Small wind wheel for air circulation, air duct assembly and small air purifier

Technical Field

The utility model relates to an air purification field specifically relates to an air cycle is with small-size wind wheel, wind channel subassembly and small-size air purifier.

Background

With the development of society and the advancement of industry, the quality of people's ambient air is also continuously reduced along with the progress of industrialization, and the environmental air poses serious threats to human health. A large amount of chemical products are arranged in the existing vehicle to release toxic substances, and the interior of the vehicle is a closed space, so that the air circulation is poor, and the quality of air in the vehicle is poor.

In order to improve the quality of air in a vehicle, a vehicle-mounted air purifier or other ventilation equipment is developed for the purpose, the CADR value of the purifier or the air volume of the ventilation equipment in the vehicle-mounted air purifier or other vehicle-mounted ventilation equipment in the prior art is difficult to be in a balanced state with noise, and the noise exceeds the idle noise of the vehicle while a better CADR value or large air volume is obtained, so that passengers in the vehicle feel uncomfortable.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose provides a small-size wind wheel is used in air cycle of low noise.

A second object of the present invention is to provide an air duct assembly comprising the above wind wheel.

The third object of the utility model is to provide a small-size air purifier including above-mentioned wind channel subassembly.

In order to realize foretell first purpose, the utility model provides a small-size wind wheel is axial diagonal flow wind wheel for air cycle, and the wind wheel includes wind wheel casing, wind wheel air intake and wind wheel air outlet, and wind wheel air intake and wind wheel air outlet set up on the wind wheel casing, and the wind wheel casing includes a plurality of blades, and a plurality of blades are arranged along the circumference of wind wheel air intake, and a plurality of blades are the arc setting around the rotation axis of wind wheel.

It can be seen by above-mentioned scheme that a plurality of blades are arranged along the circumference of wind wheel air intake to a plurality of blades are the crooked setting of looks arc, make the wind wheel form an axial diagonal flow wind wheel, the noise reduction when the increase amount of wind, thereby reduce the noise of adorning at the clarifier of this wind wheel, make personnel in the car feel more comfortable.

The wind wheel shell comprises a first fixing plate and a second fixing plate, a wind wheel air inlet is formed in the first fixing plate, a plurality of blades are arranged between the first fixing plate and the second fixing plate, a lower concave portion is convexly arranged on the second fixing plate towards the wind wheel air inlet, a connecting block is arranged on the side wall of the lower concave portion, which is far away from the wind wheel air inlet, and the connecting block is used for being connected with a driving device; and/or the side walls of the plurality of blades, which are far away from the rotating central axis of the wind wheel, are obliquely arranged from the wind wheel air inlet to the wind wheel air outlet, and the side walls of the plurality of blades are obliquely arranged close to the rotating central axis of the wind wheel.

It can be seen that because the wind wheel is small-size wind wheel, mainly can use in the less on-vehicle clarifier of volume, and the connecting block setting is in recessed concave part down, and the connection steadiness between reinforcing connecting block and the drive arrangement for the wind wheel can present bigger amount of wind under more stable pivoted condition. The lateral wall that the rotation central axis of wind wheel was kept away from to the blade sets up in the slope, reduces the volume of blade in the wind channel for in the air that flows gets into the wind channel through the wind wheel more fast, the influence of reduction blade to the amount of wind.

The further proposal is that the width of the lower concave part along the radial direction of the wind wheel is reduced towards the wind wheel air inlet along the rotation axis of the wind wheel.

It can be seen that the width of the lower concave part is reduced, so that one surface of the lower concave part facing the blade is conical, the occupied space of the lower concave part in the wind wheel is reduced, and the loss of the air volume is reduced.

For realizing foretell second purpose, the utility model provides a wind channel subassembly includes wind channel casing, wind channel air intake and wind channel air outlet, and in the wind channel casing, be formed with the wind channel between wind channel air intake and the wind channel air outlet, be provided with foretell wind wheel in the wind channel.

The air duct is provided with a first air duct section and a second air duct section in the air duct shell, the second air duct section, the first air duct section and the air outlet are sequentially connected along the air flowing direction of the air duct, and the air flowing direction of the first air duct section is obliquely arranged relative to the air flowing direction of the second air duct section.

Therefore, the first air channel section is obliquely arranged relative to the second air channel section, so that the air outlet of the air channel is obliquely exhausted, the air channel is better adapted to the space in the vehicle, and the purified air can more quickly flow to each position in the vehicle.

The air duct is provided with a first air duct section and a second air duct section in the air duct shell, an air inlet of the air duct, the second air duct section, the first air duct section and an air outlet of the air duct are sequentially arranged along the air flowing direction of the air duct, the ventilation width of the first air duct section is larger than that of the second air duct section, and the ventilation width of the air outlet is smaller than that of the first air duct section.

It is thus clear that flowing air passes through wind channel air intake, second wind channel section, first wind channel section and air outlet in proper order, and the air gathering in the second wind channel section disinfects the disinfection in the bigger first wind channel section of width, and purification degree is more thorough, and through the air outlet air-out that the width is littleer afterwards, increase air-out pressure, messenger's air-out is the spray regime, improves air-out efficiency.

The wind channel passes through the wind guide piece and the wind wheel in sequence along the air flowing direction of the wind channel, and is provided with a wind guide surface which is obliquely arranged towards the wind channel shell along the air flowing direction of the wind channel; and/or the wind wheel shell is provided with a fixed plate wind guide surface, the wind wheel air inlet is positioned on the fixed plate wind guide surface, the fixed plate wind guide surface is obliquely arranged towards the wind channel shell along the axial direction of the rotation axis of the wind wheel, and the fixed plate wind guide surface is obliquely arranged from the wind wheel air inlet towards the wind wheel air outlet.

Therefore, the air guide piece is used for guiding the flowing air in the air duct, and the air guide surface on the air guide piece is obliquely arranged, so that the width of the air duct is increased, and more air is convenient to gather; and the fixed plate wind guide surface on the wind wheel is obliquely arranged to guide the air in the wind wheel, so that the air flows into the air channel with larger width, and the loss of air volume is reduced.

The air inlet of the air duct comprises a plurality of air inlet holes, and the air inlet holes are laid along the circumferential direction of the air duct shell; and/or the air duct air outlet is annular, a control panel is arranged in the air duct air outlet, and a button is arranged on the side wall of the control panel, which deviates from the air duct.

Therefore, the plurality of air inlet holes are arranged along the circumferential direction of the air duct shell, so that air can be fed into the air duct shell at 360 degrees, and the air inlet amount is increased; the control panel sets up in air outlet department, and the user is changeed in the contact control.

For realizing foretell third mesh, the utility model provides a small-size air purifier includes foretell wind channel subassembly and air purification subassembly, and the air purification subassembly sets up in the wind channel.

The air purification component comprises an air filtering component, the air filtering component is annular, and the air channel is located in the inner circle of the air filtering component.

Therefore, the air filtering component is annular, so that flowing air can continuously flow only after entering the inner circle through the air filtering component, and the air entering the air channel is ensured to pass through the step of air filtering.

Further, the air filter assembly comprises a HAPE filter layer; and/or an annular positioning block is arranged in the air duct shell, the air filtering assembly is arranged between the annular positioning block and a base of the air duct shell, a positioning surface is arranged on the annular positioning block, and the positioning surface is obliquely arranged towards the vertical central line of the air duct shell along the flowing direction of the air duct.

Therefore, the air filtering component is annular and is arranged in the air duct shell, so that the air filtering component can be accurately installed in the air duct shell under the positioning action of the positioning surface of the annular positioning block, and the arrangement of an air duct is not influenced.

The wind channel shell is provided with a wind wheel, the wind channel shell is provided with a wind channel, the wind channel is internally provided with a control circuit board, the control circuit board is provided with a connecting protruding portion, the connecting protruding portion extends towards the side wall of the wind channel shell, the wind channel shell is provided with a power-on hole, the power-on hole and the connecting protruding portion are oppositely arranged, and the control circuit board is connected with the wind wheel.

Therefore, the connection lug boss on the control circuit board is arranged opposite to the electrifying hole on the air duct shell, so that the control circuit board is conveniently connected with an external power supply.

The air purification assembly comprises a bipolar ion assembly, the bipolar ion assembly comprises a bipolar ion mounting frame, a plurality of bipolar ion emission heads and a bipolar ion high-pressure piece, the bipolar ion emission heads are arranged on the outer side wall of the bipolar ion mounting frame, and the bipolar ion high-pressure piece is connected with the bipolar ion emission heads.

The air duct shell comprises a first shell and a second shell, the first shell and the second shell are connected along the air flow direction of the air duct, the air outlet of the air duct is located on the second shell, a first air duct section is formed between the second shell and the bipolar ion mounting rack, and the width of the first air duct section is gradually increased along the air flow direction of the first air duct section.

Therefore, the bipolar ion mounting rack is positioned in the first air channel section, and the width of the first air channel section is gradually increased, so that more air is gathered in the first air channel section to be subjected to plasma sterilization.

The bipolar ion mounting rack is in a similar round table shape, one end of the bipolar ion mounting rack with smaller radial width is arranged close to the air outlet, and the second shell is in a hemispherical shape; and/or the peripheral wall of the bipolar ion mounting rack is provided with a plurality of connecting blocks, the connecting blocks are arranged at equal intervals along the circumferential direction of the bipolar ion mounting rack, the connecting blocks are connected with the inner side wall of the air duct shell, and the air duct penetrates through the bipolar ion mounting rack and the inner side wall of the air duct shell.

It can be seen that, the lateral wall slope setting on the circular-like's bipolar plasma mounting bracket cooperates hemispherical first casing for the width grow gradually of the first wind channel section at bipolar ion mounting bracket place, make more air gathering carry out the disinfection of disinfecting of plasma, increase air output in bipolar ion mounting bracket department. The connecting block is arranged to realize the installation of the bipolar ion installation frame in the air duct shell without influencing the arrangement of the air duct.

The further scheme is that a control circuit board is arranged in the air duct, the control circuit board is arranged between the bipolar ion mounting frame and the wind wheel, and the control circuit board is respectively connected with the wind wheel and the bipolar ion high-voltage piece.

Therefore, the control circuit board and the bipolar ion high-voltage part in the bipolar ion mounting rack are concentrated between the air outlet and the wind wheel, so that the electric connecting wires in the air duct shell are shorter, and the arrangement of electric wires in the air duct shell is simpler.

The air duct shell comprises a first shell and a second shell, the first shell is arranged on the second shell, a mounting plate is arranged on one side, facing the second shell, of the first shell, the mounting plate is arranged along the circumferential direction of the second shell, the mounting plate is inserted into the second shell, the mounting plate is arranged in parallel with the inner side wall of the second shell, the first shell is arranged in an inclined mode relative to the extending direction of the mounting plate, and the mounting plate is connected with the second shell.

Therefore, the connection between the first shell which is obliquely arranged and the second shell which is vertically arranged is completed through the arrangement of the mounting plate, so that the inclined section of the air duct is realized.

The purifier comprises a base, the air duct shell is arranged on the base, and a handle portion is arranged on the side wall of the base, which deviates from the air duct shell.

Therefore, the handle part is arranged on the base, so that the base can be installed or detached on the air duct shell by an operator more conveniently in a labor-saving manner.

The further scheme is that the handle part is a groove, the groove is sunken towards the air duct shell, and a handle plate is arranged in the groove.

It can be seen that when an operator drives the handle part, the hand is placed in the groove, and the operator applies force on the handle plate, so that the operator can drive the handle part more quickly and more laborsavingly.

Drawings

Fig. 1 is a perspective view of the vehicle-mounted air purifier according to the embodiment of the present invention.

Figure 2 is the cross-sectional view of the utility model discloses on-vehicle air purifier embodiment.

Figure 3 is an explosion view of the embodiment of the vehicle air purifier.

Fig. 4 is a schematic connection diagram of the first housing and the second housing in the embodiment of the vehicle-mounted air purifier of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

The utility model discloses a small-size air purifier is applied to the air purification in a space, and this vehicle-mounted air purifier not only can place inside the vehicle, still can place in the room.

Referring to fig. 1 and 2, the small air purifier includes an air duct housing 1, an air duct 2, an air duct air inlet 3, an air duct air outlet 4, an air draft assembly 5, an air purification assembly and a control assembly 8, wherein the air duct air inlet 3 and the air duct air outlet 4 are respectively disposed on the air duct housing 1, the air duct 2 is disposed in the air duct housing 1, and the air duct 2 is respectively communicated with the air duct air inlet 3 and the air duct air outlet 4. The air purification component comprises a bipolar ion component 6 and an air filtering component 7, and can also be a purification component of other purification principles, such as an anion generator or ultraviolet rays. The air draft assembly 5, the bipolar ion assembly 6 and the control assembly 8 are respectively arranged in the air duct 2.

Referring to fig. 3, the air duct housing 1 includes a base 11, a second housing 12, a first housing 13 and a control board 14, the second housing 12 is disposed on the base 11, a non-slip mat 110 may be disposed on one side of the base 11 away from the second housing 12, and the purifier is stably placed in the vehicle through the non-slip mat 110, or a fixing clip or a suction cup is disposed on one side of the base 11 away from the second housing 12, and the purifier is disposed in the vehicle through the fixing clip or the suction cup. When the purifier is assembled, after the first shell 13 and the second shell 12 are connected, the second shell 12 is inverted, then the components in the second shell 12 are placed, and the base 11 is installed after the components are placed; when the purifier is disassembled, the purifier is firstly inverted, the base 11 is disassembled, and the components in the second shell 12 are removed. In order to mount or dismount the base 11 more easily and quickly, a handle portion 111 is arranged on a side wall of the base 11 away from the second casing 12, the handle portion 111 is a groove 111, the groove 111 is recessed towards the air duct casing 1, and a handle plate 112 is arranged in the groove 111.

In the present embodiment, the base 11 has a circular shape, and the second housing 12 is connected to the base 11 along a circumferential direction of the base 11, so that the second housing 12 has a cylindrical ring shape.

When the purifier is placed vertically, the base 11 contacts the placing surface of the placing space, and the second housing 12 is disposed between the first housing 13 and the base 11. The air duct 2 is formed with a second air duct section 22 in the second casing 12, the second air duct section 22 extending in the vertical direction. The air draft assembly 5 and the filtering assembly 7 are respectively arranged in the second air duct section 22, the air firstly enters the second air duct section 22 from the air inlet 3 of the air duct along the air flowing direction in the second air duct section 22, and under the action of the air draft assembly 5, the air passes through the filtering assembly 7, then passes through the air draft assembly 5 and flows to the first shell 13 in the second air duct section 22.

The air duct inlet 3 comprises a plurality of air inlet holes 31, and the plurality of air inlet holes 31 are laid along the circumferential direction of the second shell 12; so that air can be fed into the second shell 12 by 360 degrees, and the air inlet amount is increased.

In this embodiment, the air filter assembly 7 is annular, and the air filter assembly 7 includes a first filter layer 71, a second filter layer 72 and a third filter layer 73, wherein the second filter layer 72 is wrapped outside the third filter layer 73, and the first filter layer 71 is wrapped outside the second filter layer 72 along the radial direction of the air filter assembly 7. The first filter layer 71 is a nylon filter screen, the second filter layer 72 is HEPA, and the third filter layer 73 is an activated carbon filter layer. The side wall of the base 11 facing the second housing 12 is provided with a filter screen bracket 15, the filter screen bracket 15 includes a bottom plate 151 and a protrusion positioning block 152, the protrusion positioning block 152 is disposed on one side of the base 11 facing the filter assembly 7, and a step 153 is disposed between the bottom plate 151 and the protrusion positioning block 152, so that the radial width of the protrusion positioning block 152 is smaller than the radial width of the base 11. A plurality of positioning blocks 154 are arranged on the radial side wall of the protruding positioning block 152, and the plurality of positioning blocks 154 are equidistantly arranged along the circumferential direction of the protruding positioning block 152. When the filter screen bracket 15 is installed in the second housing 12, the second housing 12 is located on the step 153, the inner side wall of the second housing 12 is provided with a plurality of positioning clamping grooves 121, the plurality of positioning clamping blocks 154 are connected with the plurality of positioning clamping grooves 121 in a one-to-one correspondence manner, and the air filter assembly 7 is placed on the protruding positioning blocks 152 of the filter screen bracket 15. Based on the bottom of clarifier, the height that sets up of wind channel air intake 3 is greater than the height that sets up of air filtering component 7 for a larger amount of air gathers and guarantees that all air pass through air filtering component 7 after between wind channel air intake 3 and air filtering component 7 and continue to remove, guarantees air filtering's efficiency.

An annular positioning block 10 is arranged in the second air duct section 22, the air filtering component 7 is arranged between the annular positioning block 10 and the base 11 of the air duct shell 1, and the inner circle of the annular positioning block 10 is arranged along the circumferential direction of the inner circle of the air filtering component 7. A positioning surface 101 is arranged on the annular positioning block 10, and the positioning surface 101 is obliquely arranged towards the vertical central line of the air duct shell 1 along the flowing direction of the air duct 2; because the air filter assembly 7 is annular and is arranged in the air duct shell 1, the air filter assembly 7 can be accurately installed in the air duct shell 1 under the positioning action of the positioning surface 101 of the annular positioning block 10, and the arrangement of the air duct 2 is not influenced. An air guide 9 is arranged in the second air duct section 22, and an annular positioning block 10 is arranged between the air guide 9 and the base. The air guide member 9 is provided with a vent 90, the inner circle of the annular positioning block 10 and the inner circle of the air filtering component 7 are communicated with each other, and the second air duct section 22 sequentially penetrates through the inner circle of the annular positioning block 10 and the vent 90. The air guide member 9 is provided with an air guide surface 91, and the air guide surface 91 is obliquely arranged towards the air duct shell 1 along the air flowing direction of the air duct 2, so that the width of the air duct 2 is increased, and more air can be gathered. In the present embodiment, the annular positioning block 10 is integrally connected to the air guide 9.

The ventilation assembly 5 comprises a wind wheel 51 and a driving device, the wind wheel 51 is an axial diagonal flow wind wheel, in this embodiment, the wind wheel 51 comprises a wind wheel shell 510, a wind wheel air inlet 5101 and a wind wheel air outlet 5102, the wind wheel shell comprises a first fixing plate 511, a second fixing plate 513 and a plurality of blades 512, and the plurality of blades 512, the first fixing plate 511 and the second fixing plate 513 are integrally formed. The plurality of blades 512 are disposed between the second fixing plate 513 and the first fixing plate 511, and the second fixing plate 513 is disposed apart from the air filter assembly 7 with respect to the first fixing plate 511 along the air flowing direction of the wind tunnel 2. The width of the second fixing plate 513 is smaller than the width of the first fixing plate 511 in the radial direction of the second housing 12. The wind wheel air inlet 5101 is arranged on the first fixing plate 511, so that the first fixing plate 511 is annular, the wind wheel air inlet 5101 is communicated with the ventilation opening 90 in the air guide member 9, and the air duct 2 penetrates through the wind wheel air inlet 5101. The plurality of blades 512 are arranged equidistantly in the circumferential direction of the wind wheel air inlet 5101, and the plurality of blades 512 are arranged in an arc shape around the rotation axis of the wind wheel 5. The side wall 5121 of the plurality of blades 512 far away from the rotation central axis of the wind wheel 51 is obliquely arranged close to the rotation central axis of the wind wheel 51 along the direction from the wind wheel air inlet 5101 to the wind wheel air outlet 5102 (i.e., the air flow direction of the air duct 2); along the radial direction of wind wheel 5, the radial width of first fixed plate 511 is less than the radial width of second fixed plate 513 for wind wheel 5 is type round platform shape, thereby blade 512 narrows gradually with second fixed plate 513 along the air flow direction in wind channel 2, reduces the volume of blade 512 in the wind channel, reduces the interference to the air that flows in the wind channel 2, influences the amount of wind.

The second fixing plate 513 is used to connect with a driving device, which may be a motor. After passing through the air filter assembly 7, the air flows from the inner circle of the air filter assembly 7 to the air draft assembly 5. In this embodiment, a connecting portion 514 is disposed on the second fixing plate 513, and the connecting portion 514 is used for connecting a driving device. The connection portion 514 is provided in the following manner: the second fixing plate 513 is provided with a concave portion 515 protruding towards the wind wheel air inlet 5101, the concave portion 515 is a groove, the connecting portion 514 is arranged in the concave portion 515, and the connecting portion 514 is a convex column; the width of the lower recess 515 in the radial direction of the wind wheel 5 becomes smaller toward the wind wheel air inlet 5101 along the rotation axis of the wind wheel 5, and the radial direction of the wind wheel 5 is perpendicular to the rotation axis of the wind wheel 5.

Because this wind wheel 51 is used in on-vehicle air purifier, because on-vehicle air purifier's volume is less, and the volume of being applied to this kind of on-vehicle air purifier is also less, consequently through the structure that sets up of concave part 515 guarantee the wind wheel 51 when the steadiness in the clarifier, can also guarantee to keep great amount of wind. In this embodiment, the wind wheel 51 with the above structure realizes oblique wind flow along the rotation central axis of the wind wheel 51, and can ensure that the wind wheel itself realizes large wind volume and low noise. The axial diagonal flow wind wheel 51 is arranged between the wind channel air outlet 4 and the wind channel air inlet 3 of the purifier, because the wind channel air outlet 4 is positioned above the wind wheel air inlet 3, the axial diagonal flow wind wheel 51 of the structure in the embodiment rotates to suck the air at the wind channel air inlet 3 positioned at the bottom of the purifier into the wind channel 2, the flowing air in the wind channel 2 firstly moves along the rotation center of the wind wheel 51 to enter the wind wheel 51, and the air is exhausted from the wind channel air inlet 3 positioned at the bottom in an inclined manner under the guiding action of the first fixing plate 511 and the plurality of blades 512, so that the air flowing in the wind channel 2 is exhausted from the wind channel air outlet 2 positioned at the top of the purifier, and the large air volume characteristic of the axial diagonal flow wind wheel of the structure can be matched with the first wind channel section of the wind channel 2 to be obliquely arranged for air outlet.

In the present embodiment, the first fixing plate 511 is disposed obliquely along the rotation axis of the wind wheel 5, and the radial width of the first fixing plate 5 gradually increases away from the wind wheel air inlet 5101 along the extending direction of the rotation axis. The incline direction of first fixed plate 511 is the same with the incline direction of wind guide surface 91 of wind guide 9 that is located wind 5 below to the realization is under the wind-guiding effect of wind guide 9, and the interior air of circle is extracted in air filter component 7 to pivoted wind wheel 5, makes the width grow of wind channel 2 here, makes the air flow scope wider, reduces the loss of the amount of wind.

Control assembly 8 includes control circuit board 81, is provided with on control circuit board 81 and connects bellying 811, connects bellying 811 and extends towards the lateral wall of wind channel casing 1, is provided with circular telegram hole 16 on the wind channel casing 1, and circular telegram hole 16 sets up with connecting bellying 811 relatively, and control circuit board 81 is connected with wind wheel 5. The connection boss 811 on the control circuit board 81 is disposed opposite to the power-on hole 16 on the air duct housing 1, so that the connection between the control circuit board 81 and the external power supply is more convenient.

The air duct air outlet 4 is arranged on the first casing 13, the air duct 2 is provided with a first air duct section 21 in the first casing 13, the bipolar ion assembly 6 is arranged in the first air duct section 21, in this embodiment, when the purifier is placed along the vertical direction, the second air duct section 22 extends along the vertical direction, and the first air duct section 21 is obliquely arranged relative to the second air duct section 22. The first air duct section 21 arranged obliquely enables the air outlet 4 of the air duct to obliquely exhaust air, so that the air duct is better adapted to the space in the vehicle, and the purified air can flow to each position in the vehicle more quickly. The first housing 13 can be fixedly arranged on the second housing 12, and the first housing 13 can rotate relative to the second housing 12 through a matching structure of a spherical connecting piece and a fixing groove. In the present embodiment, the first housing 13 is fixedly provided on the second housing 12.

The second housing 12 is provided with a first ventilation opening 122 at a side facing the first housing 13, and when the purifier is disposed in a vertical direction, the first ventilation opening 122 is disposed obliquely based on a horizontal direction. One side of the first housing 13 facing the second housing 12 is provided with a second ventilation opening 131, and the first ventilation opening 122 is communicated with the second ventilation opening 131. First casing 13 is provided with mounting panel 132 on the side towards second casing 12, mounting panel 132 sets up along the circumference of second ventilation opening 131, mounting panel 132 runs through first ventilation opening 122, mounting panel 132 and the inside wall parallel arrangement of second casing 12, the extending direction slope setting of first casing 13 relative mounting panel 132, mounting panel 132 is connected with the inside wall of second casing 12 to realize that first wind channel section 21 in first casing 13 is the second wind channel section 22 slope setting in the second casing 12 relatively.

The bipolar ion assembly 6 includes a bipolar ion mounting block 61, a plurality of bipolar ion emitting heads disposed on an outer side wall of the bipolar ion mounting block, and a bipolar ion high voltage member 62 connected to the plurality of bipolar ion emitting heads. A bipolar ion mount 61 is disposed within the first air duct section 21 of the first housing 13.

The bipolar ion mounting rack 61 is arranged between the air duct air outlet 4 and the wind wheel 5, the bipolar ion mounting rack 61 is in a similar circular truncated cone shape, and one end of the bipolar ion mounting rack 61 with smaller radial width is arranged close to the air outlet 4; so that the width of the bipolar ion mounting bracket 61 is gradually reduced along the air flowing direction of the air duct 2, while the first shell 13 is hemispherical, and the width of the first shell 13 is gradually increased along the air flowing direction of the air duct 2, so that the width of the first air duct section 21 between the first shell 13 and the bipolar ion mounting bracket 61 is gradually increased; therefore, under the action of the air draft assembly 5, when air circulates at a high speed in the air duct 2, when the air reaches the first shell 13, because the width of the first shell 13 is gradually increased along the air flowing direction of the air duct 2, the width of the bipolar ion mounting rack 61 in the first shell 13 is gradually decreased along the air flowing direction of the air duct 2, the width of the first air duct section 21 in the first shell 13 is gradually increased along the air flowing direction, so that the air is gathered in the first shell 13, and when the air output is increased, because the air duct 2 is formed at the periphery of the bipolar ion mounting rack 61, the bipolar ion mounting rack 61 is arranged at the center of the air flow, vortex is prevented from being formed at the center of the air flow, and noise and resistance generated by vortex phenomenon are reduced while loss of the air output is reduced.

In the present embodiment, the bipolar ion mounting bracket 61 has a truncated cone-like shape, and the side surface of the bipolar ion mounting bracket 61 is an arc-shaped surface. Referring to fig. 4, the bipolar ion mounting block 61 is provided with four connection blocks 611, the four connection blocks 611 are arranged at equal intervals along the bipolar ion mounting block 61, and the bipolar ion mounting block 61 is disposed on the inner side wall of the first housing 13 through the four connection blocks 611; the air duct 2 penetrates between the bipolar ion mounting frame 61 and the inner side wall of the first housing 13, and the bipolar ion mounting frame 61 is obliquely arranged. In this embodiment, the bipolar ion high voltage assembly 62 is disposed within the bipolar ion mounting bracket 61. The control assembly 8 comprises a connecting wire, a control circuit board 81 is arranged between the bipolar ion mounting frame 61 and the wind wheel 5, and the control circuit board 81 is connected with the driving device; the bipolar ion high-voltage component 62 is arranged close to the control circuit board 81, so that the distribution distance of the connecting wires in the purifier can be shortened, and the distribution of the connecting wires in the purifier is simpler. In the embodiment, the control circuit board 81 is arranged on the side wall of the bipolar ion mounting bracket 61 facing the wind wheel 5, and the area of the bipolar ion mounting bracket 61 is smaller than that of the side wall of the bipolar ion mounting bracket 61 facing the wind wheel 5; and correspondingly, the connection convex part 811 on the control circuit board 81 is overlapped with a connection block 611 thereof, so as to avoid the influence of the connection convex part on the air duct.

In this embodiment, the air duct outlet 4 is disposed on the first casing 13. Air outlet 4 is the annular, is provided with control panel 14 in the interior circle of wind channel air outlet 4, is provided with button 141 on the lateral wall that control panel 14 deviates from wind channel 2. A plurality of mounting blocks 142 are provided between the first housing 13 and the control panel 14, the air duct outlet 4 is formed between two adjacent mounting blocks 142, and the air duct outlet 4 is formed between the inner side wall of the first housing 13 and the control panel 14. The mounting block 142 is V-shaped, and the tip of the mounting block 142 is located within the air chute 2. The keys 141 on the control panel 14 are connected with elements in the bipolar ion mounting rack 61 through spring type touch switches, and the electric connecting wire 1 on the control panel penetrates through the bipolar ion mounting rack 61 and is connected with the control circuit board 81.

Along the air flow direction of the air duct 2, the air duct air inlet 3, the second air duct section 22, the first air duct section 21 and the air duct air outlet 4 are sequentially arranged, the ventilation width of the first air duct section 21 is larger than that of the second air duct section 22, and the ventilation width of the air outlet 4 is smaller than that of the first air duct section 21. The flowing air passes through air duct air inlet 3, second air duct section 22, first air duct section 21 and air duct air outlet 4 in proper order, and the air gathering in the second air duct section 22 disinfects and disinfects in the bigger first air duct section 21 of width, and the purification degree is more thorough, and through the air-out of the less air duct air outlet 4 of width, increase air-out pressure, messenger's air-out is the spray regime, improves air-out efficiency afterwards.

The utility model discloses a vehicle-mounted air purifier's theory of operation does: air enters the second air duct section 22 in the second shell 12 through a plurality of air inlet holes 31 distributed at 360 degrees, under the action of the air draft assembly 5, the air is primarily purified after passing through the filter assembly 7, passes through the air draft assembly 5 from the inner circle of the air filter assembly 7, then is gathered at the first shell 13 after flowing to the first shell 13, and when secondary air purification is performed under the action of the bipolar ion assembly 6, because the width of the first shell 13 is gradually increased along the air flowing direction of the air duct 2, the width of the bipolar ion mounting rack 6161 in the first shell 13 is gradually reduced along the air flowing direction of the air duct 2, the width of the air duct 2 in the first shell 13 is gradually increased along the air flowing direction, so that the air is gathered in the first shell 13, and when the air outlet volume of the air duct is increased, because the bipolar ion mounting rack 2 is formed at the periphery of the bipolar ion mounting rack 61, the bipolar ion mounting rack 61 is arranged at the center of the airflow, so that the eddy formed at the center of the airflow is avoided, the loss of the air volume is reduced, and simultaneously, the noise and the resistance generated by the eddy phenomenon are reduced.

Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.

Claims (19)

1. Small-size wind wheel is used in air cycle, its characterized in that: the wind wheel is axial diagonal flow wind wheel, the wind wheel includes wind wheel casing, wind wheel air intake and wind wheel air outlet, the wind wheel air intake with the wind wheel air outlet sets up on the wind wheel casing, the wind wheel casing includes a plurality of blades, and is a plurality of the blade is followed the circumference of wind wheel air intake is arranged, and is a plurality of the blade winds the axis of rotation of wind wheel is the arc setting.

2. The small wind wheel for air circulation according to claim 1, wherein:

the wind wheel shell comprises a first fixing plate and a second fixing plate, the wind wheel air inlet is formed in the first fixing plate, a plurality of blades are arranged between the first fixing plate and the second fixing plate, the second fixing plate is convexly provided with a lower concave part towards the wind wheel air inlet, and a connecting block is arranged on the side wall of the lower concave part, which deviates from the wind wheel air inlet, and is used for being connected with a driving device;

and/or the blades are far away from the side wall of the rotating central axis of the wind wheel, the side wall of the wind wheel is obliquely arranged from the wind wheel air inlet to the wind wheel air outlet, and the side walls of the blades are obliquely arranged close to the rotating central axis of the wind wheel.

3. The small wind wheel for air circulation according to claim 2, wherein:

the width of the lower concave part along the radial direction of the wind wheel is smaller towards the wind wheel air inlet along the rotating axis of the wind wheel.

4. Air duct assembly, its characterized in that: the wind wheel comprises a wind channel shell, a wind channel air inlet and a wind channel air outlet, wherein a wind channel is formed between the wind channel air inlet and the wind channel air outlet in the wind channel shell, and the wind wheel as claimed in any one of claims 1 to 3 is arranged in the wind channel.

5. The air duct assembly of claim 4, wherein:

the air duct is in be formed with first wind channel section and second wind channel section in the air duct casing, second wind channel section first wind channel section with the wind channel air outlet is followed the air flow direction in wind channel connects gradually, the air flow direction in first wind channel section is relative the air flow direction slope setting of second wind channel section.

6. The air duct assembly of claim 4, wherein:

the wind channel is in be formed with first wind channel section and second wind channel section in the wind channel casing, follow the air flow direction in wind channel, the wind channel air intake the second wind channel section first wind channel section with the wind channel air outlet arranges in proper order, the ventilation width of first wind channel section is greater than the ventilation width of second wind channel section, the ventilation width of wind channel air outlet is less than the ventilation width of first wind channel section.

7. The air duct assembly of claim 6, wherein:

a wind guide piece is arranged in the wind channel, a vent is arranged on the wind guide piece, the wind channel penetrates through the vent, the wind channel sequentially passes through the wind guide piece and the wind wheel along the air flowing direction of the wind channel, a wind guide surface is arranged on the wind guide piece, and the wind guide surface is obliquely arranged towards the wind channel shell along the air flowing direction of the wind channel;

and/or be provided with fixed plate wind-guiding face on the wind wheel casing, the wind wheel air intake is located on the fixed plate wind-guiding face, the fixed plate wind-guiding face is followed the axial orientation of the rotation axis of wind wheel wind channel casing slope sets up, just the fixed plate wind-guiding face certainly the wind wheel air intake orientation the wind wheel air outlet slope sets up.

8. The air duct assembly of claim 4, wherein:

the air inlet of the air duct comprises a plurality of air inlet holes, and the air inlet holes are laid along the circumferential direction of the air duct shell;

and/or the air duct air outlet is annular, a control panel is arranged in the air duct air outlet, and a button is arranged on the side wall of the control panel, which deviates from the air duct.

9. Small-size air purifier, its characterized in that: comprising the air duct assembly of any of claims 4-8 and an air purifying assembly disposed within the air duct.

10. The compact air purifier of claim 9, wherein:

the air purification subassembly includes the air filtering subassembly, the air filtering subassembly is the annular, the wind channel is located in the interior circle of air filtering subassembly.

11. The compact air purifier of claim 10, wherein:

the air filter assembly includes a HAPE filter layer;

and/or an annular positioning block is arranged in the air duct shell, the air filtering assembly is arranged between the annular positioning block and the base of the air duct shell, a positioning surface is arranged on the annular positioning block, and the positioning surface is obliquely arranged towards the vertical central line of the air duct shell along the flowing direction of the air duct.

12. The compact air purifier of claim 9, wherein:

the wind wheel is characterized in that a control circuit board is arranged in the wind channel, a connecting protruding portion is arranged on the control circuit board, the connecting protruding portion faces the side wall of the wind channel shell and extends, a power-on hole is formed in the wind channel shell and is opposite to the connecting protruding portion, and the control circuit board is connected with the wind wheel.

13. The compact air purifier of claim 9, wherein:

the air purification assembly comprises a bipolar ion assembly, the bipolar ion assembly comprises a bipolar ion mounting frame, a plurality of bipolar ion emission heads and a bipolar ion high-voltage piece, the bipolar ion emission heads are arranged on the outer side wall of the bipolar ion mounting frame, and the bipolar ion high-voltage piece is connected with the bipolar ion emission heads.

14. The compact air purifier of claim 13, wherein:

the air duct shell comprises a first shell and a second shell, the second shell is connected with the first shell along the air flowing direction of the air duct, the air duct air outlet is located on the first shell, the air duct is formed between the first shell and the bipolar ion mounting rack and is provided with a first air duct section, and the width of the first air duct section is gradually increased along the air flowing direction of the first air duct section.

15. The compact air purifier of claim 14, wherein:

the bipolar ion mounting rack is in a shape of a round table, one end of the bipolar ion mounting rack with smaller radial width is arranged close to the air outlet, and the first shell is hemispherical;

and/or be provided with a plurality of connecting blocks on the periphery wall of bipolar ion mounting bracket, it is a plurality of the connecting block is followed the circumference equidistance of bipolar ion mounting bracket is arranged, and is a plurality of the connecting block with the inside wall of wind channel casing is connected, the wind channel runs through bipolar ion mounting bracket with between the inside wall of wind channel casing.

16. The compact air purifier of claim 13, wherein:

the air duct is internally provided with a control circuit board, the control circuit board is arranged between the bipolar ion mounting rack and the wind wheel, and the control circuit board is respectively connected with the wind wheel and the bipolar ion high-voltage part.

17. The compact air purifier of claim 9, wherein:

the air duct shell comprises a first shell and a second shell, the first shell is arranged on the second shell, the first shell faces one side of the second shell, a mounting plate is arranged on one side of the second shell, the mounting plate is arranged in the circumferential direction of the second shell, the mounting plate is inserted into the second shell, the mounting plate is arranged in parallel with the inner side wall of the second shell, the first shell is opposite to the extending direction of the mounting plate, and the mounting plate is connected with the second shell.

18. The compact air purifier of any one of claims 9 to 17, wherein:

the purifier comprises a base, the air duct shell is arranged on the base, and a handle portion is arranged on the side wall of the base, which deviates from the air duct shell.

19. The compact air purifier of claim 18, wherein: the handle portion is a groove, the groove is sunken towards the air duct shell, and a handle plate is arranged in the groove.

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