CN104964410A - Air conditioner and fresh air exchange device and induced air nozzle thereof - Google Patents
Air conditioner and fresh air exchange device and induced air nozzle thereof Download PDFInfo
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- CN104964410A CN104964410A CN201510389044.2A CN201510389044A CN104964410A CN 104964410 A CN104964410 A CN 104964410A CN 201510389044 A CN201510389044 A CN 201510389044A CN 104964410 A CN104964410 A CN 104964410A
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- guide shell
- air
- main cylinder
- air nozzle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F2013/0612—Induction nozzles without swirl means
Abstract
The invention discloses an air conditioner and a fresh air exchange device and an induced air nozzle of the air conditioner. The induced air nozzle comprises a main cylinder and a plurality of flow guiding cylinders. A retracting part is formed on the main cylinder, and the size of the cross section of the inlet end of the main cylinder is larger than that of the cross section of the outlet end of the main cylinder. The size of the cross section of each flow guiding cylinder is gradually decreased from the first end to the second end of the flow guiding cylinder. The first end of the flow guiding cylinder close to the main cylinder is connected to the exterior of the outlet end of the main cylinder. The first end of each of the remaining flow guiding cylinders is arranged outside the second end of the flow guiding cylinder close to the flow guiding cylinder in a sleeving mode, an airflow channel is defined, and the airflow channel is constructed to work in the mode that air exhausted from the outlet end of the main cylinder drives airflow in the airflow channel and is mixed with the airflow in the airflow channel so that mixed air can flow out in an accelerated mode. According to the induced air nozzle of the air conditioner, flowing of indoor airflow can be promoted, and indoor air quality is improved.
Description
Technical field
The present invention relates to air conditioner technical field, especially relate to a kind of air-conditioning and air refreshing device, induced air nozzle.
Background technology
Current, air-conditioning is extensively popularized, and becomes one of conventional household electrical appliance of people's daily house life.If but people stays in air-conditioned room for a long time, easily occur headache, dizziness, the malaise symptoms such as nervous, unable, these are mainly because air-conditioned room is closed, room air is not circulated to and makes room air anion rareness cause.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention proposes a kind of induced air nozzle, and described induced air nozzle can promote that room air circulates, and improves air quality.
The invention allows for a kind of air refreshing device with the air-conditioning of described induced air nozzle.
The invention allows for a kind of air-conditioning with the air refreshing device of described air-conditioning.
According to a kind of induced air nozzle of the embodiment of the present invention, comprising: main cylinder, described main cylinder is formed with contraction flow region, and the cross sectional dimensions of the entrance point of described main cylinder is greater than the cross sectional dimensions of the port of export; Multiple guide shell, the cross sectional dimensions of each described guide shell reduces from its first end gradually to its second end, wherein the first end of the guide shell of contiguous described main cylinder is connected to outside the port of export of described main cylinder, it is outer and limit gas channel that the first end of all the other each guide shells is set in described second end of the guide shell be adjacent, and wherein said gas channel is configured to the air driven of discharging from the described port of export of described main cylinder and the air-flow mixed described gas channel and accelerate to flow out.
According to the induced air nozzle of the embodiment of the present invention, air-flow flows to multiple guide shell from main cylinder, when airflow passes guide shell, the air outside induced air nozzle can be driven to flow into from gas channel, thus, not only can promote the flowing of air-flow in induced air nozzle, and the air-out flow of induced air nozzle can be increased.
According to some embodiments of the present invention, described main cylinder comprises: large mouth section, and wherein said entrance point is positioned in described large mouth section; Osculum section, described osculum section is connected to one end away from described entrance point of described large mouth section, and the cross sectional dimensions of wherein said osculum section is less than the cross sectional dimensions of described large mouth section to form described contraction flow region.
Alternatively, described osculum section is connected in described large mouth section by linkage section.
Further, described linkage section is arc-shaped transition section.
According to some embodiments of the present invention, inner surface and the outer surface of each described guide shell are arcwall face.
Alternatively, the direction of wall thickness along its first end to the second end of described guide shell reduces gradually.
Alternatively, the inwall of described guide shell is positioned at the tangent line at the second end place and the axis general parallel orientation of described guide shell.
According to some embodiments of the present invention, multiple described guide shell is coaxial and be connected by dowel between multiple described guide shell, and described dowel extends along the axial direction of described multiple guide shell.
Alternatively, be close to described main cylinder at least one described in the bearing of trend of dowel between guide shell and the axis being parallel of described guide shell.
Further, the direction along described first end to described second end, the bearing of trend of the dowel described in another part between guide shell is gradually away from the axis of described guide shell.
Alternatively, described dowel is multiple, and is uniformly distributed along the circumference of described guide shell.
According to some embodiments of the present invention, the cross section of described main cylinder and described guide shell is circular or polygon.
The invention allows for a kind of air refreshing device with the air-conditioning of described induced air nozzle.Comprise: high pressure positive blower and above-mentioned induced air nozzle, described induced air nozzle is connected with described high pressure positive blower by connecting pipe.According to the air refreshing device of the embodiment of the present invention, introduced outdoor by high pressure positive blower and filter fresh air, to increase the content of anion in room air, and by induced air nozzle, the fresh air of introduction is delivered to indoor everywhere, drive room air to accelerate flowing, thus improve indoor air quality.
The invention allows for a kind of air-conditioning with the air refreshing device of described air-conditioning.This air-conditioning can promote that indoor air accelerates flowing, to improve indoor air quality.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the induced air nozzle according to the embodiment of the present invention;
Fig. 2 is the stereogram of the induced air nozzle according to the embodiment of the present invention;
Fig. 3 is the front view of the induced air nozzle according to the embodiment of the present invention;
Fig. 4 is the sectional view along A-A line in Fig. 3;
Fig. 5 is the left view of the induced air nozzle according to the embodiment of the present invention;
Fig. 6 is the right view of the induced air nozzle according to the embodiment of the present invention;
Fig. 7 is the schematic front view of the induced air nozzle according to the embodiment of the present invention;
Fig. 8 is the sectional view along B-B line in Fig. 7;
Fig. 9 is the induced air nozzle air current flow schematic diagram according to the embodiment of the present invention;
Figure 10 is the structural representation of the air refreshing device of air-conditioning according to the embodiment of the present invention.
Reference numeral:
100: induced air nozzle;
200: air refreshing device;
1: main cylinder, 11: large mouth section, 12: osculum section, 13: linkage section, 14: the entrance point of main cylinder, 15: the port of export of main cylinder;
2: guide shell, 21: the first guide shells, the first end of 211: the first guide shells, the second end 22: the second guide shell of 212: the first guide shells, 23: the three guide shells, 24: the four guide shells, 25: the five guide shells, 26: the six guide shells;
3: gas channel, 31: the first gas channels, 32: the second gas channels, 33: the three gas channels, 34: the four gas channels, 35: the five gas channels;
4: first passage;
5: second channel;
6: dowel;
7: connecting pipe;
8: high pressure positive blower.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Fig. 9, the induced air nozzle 100 according to the embodiment of the present invention is described.This induced air nozzle 100 can be applicable on air-conditioning, can promote the flowing of room air.
As Figure 1-Figure 2, main cylinder 1 and guide shell 2 can be comprised according to the induced air nozzle 100 of the embodiment of the present invention.
Main cylinder 1 is formed with contraction flow region, and the cross sectional dimensions of the entrance point 14 (right-hand member in such as Fig. 3 and Fig. 4) of main cylinder 1 is greater than the cross sectional dimensions of the port of export 15 (left end in such as Fig. 3 and Fig. 4), shown in composition graphs 1-Fig. 9, main cylinder 1 limits first passage 4 for hollow structure in main cylinder 1, the cross sectional dimensions of the entrance point 14 of first passage 4 is greater than the cross sectional dimensions of the port of export 15, to form tendencies toward shrinkage, and form contraction flow region.Like this, flow after air-flow flows into main cylinder 1 from entrance point 14 in first passage 4, air-flow, in the process of flowing, makes air velocity improve by contraction flow region.
Guide shell 2 can be multiple, and the cross sectional dimensions of each guide shell 2 reduces from its first end gradually to its second end.In describing the invention, first end refers to the flow direction of gas in gas channel 3 to the second end, and namely first end is the upstream of gas flowing in gas channel 3, the right-hand member of such as, gas channel 3 in Fig. 3 and Fig. 4; Second end is the downstream of gas flowing in gas channel 3, the left end of such as, gas channel 3 in Fig. 3 and Fig. 4.As Figure 1-Figure 4, the first end of the guide shell 2 of contiguous main cylinder 1 is connected to outside the port of export 15 of main cylinder 1, it is outer and limit gas channel 3 that the first end of all the other each guide shells 2 is set in the second end of the guide shell 2 be adjacent, and wherein gas channel 3 is configured to the air driven of discharging from the port of export 15 of main cylinder 1 and air-flow mixed airflow passage 3 and accelerate outflow.
As shown in Fig. 1-Fig. 9, multiple guide shell 2 is connected, each guide shell 2 is hollow structure and multiple guide shell 2 is connected to limit second channel 5, the multiple guide shells 2 be connected are connected with main cylinder 1, thus, high velocity air enters first passage 4 by the entrance point 14 of main cylinder 1 and exports to flow out from first passage 4 and forms column jet flow, and flows into second channel 5, column jet flow is by turbulent closure scheme active on border and entrainment gas formation jet in peripheral gas flow passage 3, and flows to downstream.
The cross sectional dimensions of each guide shell 2 reduces from its first end gradually to its second end, that is, each guide shell 2 has the trend of contraction from first end to the second end, like this, air-flow flows to the second end from the first end of guide shell 2, can collect in second channel 5, thus the air current flow of second channel 5 can be accelerated.Thus, not only can promote the flowing of air-flow in induced air nozzle 100, and increase the air output of induced air nozzle 100.
According to the induced air nozzle 100 of the embodiment of the present invention, high velocity air flows into from the entrance point 14 of main cylinder 1, collect to improve air-flow velocity in tendencies toward shrinkage in main cylinder 1, when airflow passes guide shell 2, the gas outside induced air nozzle 100 can be driven to flow into from gas channel 3, thus, not only can promote the flowing of air-flow in induced air nozzle 100, and the air output of induced air nozzle 100 can be increased, thus can increase the circulation of air in a room, improve indoor air quality.
In the such as example shown in Fig. 1-Fig. 9, induced air nozzle 100 can comprise six guide shells 2, on the direction (as shown in Figure 4 from right to left) of air current flow, be followed successively by the first guide shell 21, second guide shell 22, the 3rd guide shell 23, the 4th guide shell 24, the 5th guide shell 25 and the 6th guide shell 26, the first end 211 of the first guide shell 21 is positioned at outside the port of export 15 of main cylinder 1, and the second end 212 of the first guide shell 21 is connected with the port of export 15 of main cylinder 1.Gas channel 3 is limited between two adjacent guide shells 2, such as, the first gas channel 31 is limited between first guide shell 21 and the second guide shell 22, the second gas channel 32 is limited between second guide shell 21 and the 3rd guide shell 22, thus, on direction from right to left as shown in Figure 4, gas channel 3 is followed successively by the first gas channel 31, second gas channel 32, 3rd gas channel 33, 4th gas channel 34 and the 5th gas channel 35, first gas channel 31, second gas channel 32, 3rd gas channel 33, 4th gas channel 34 is all communicated with second channel 5 with the 5th gas channel 35.For convenience of description, in the following description, all flow from right to left for air-flow and be described.
As shown in Fig. 4-Fig. 9, main cylinder 1 can comprise large mouth section 11 and osculum section 12, the entrance point 14 of main cylinder 1 is positioned in large mouth section 11, osculum section 12 is connected to one end away from entrance point 14 of large mouth section 11, and wherein the cross sectional dimensions of osculum section 12 is less than the cross sectional dimensions of large mouth section 11 to form contraction flow region.That is, the port of export 15 of main cylinder 1 is positioned in osculum section 12, and high velocity air flows to osculum section 12 from large mouth section 11.As shown in Figure 9, first passage 4 is limited in main cylinder 1, first passage 4 is greater than the cross-sectional area in osculum section 12 part at the cross-sectional area of large mouth section 11 part, like this, air-flow is when flowing to osculum section 12 from large mouth section 11, and throughput is constant, and the cross-sectional area of air-flow reduces, thus the flow velocity of air-flow can be increased, and then extend the flow distance of air-flow.
Wherein, osculum section 12 can be connected in large mouth section 11 by linkage section 13, so that large connection between mouth section 11 and osculum section 12.In the such as example shown in Fig. 4-Fig. 9, on direction from right to left, the cross-sectional area of linkage section 13 reduces gradually.Alternatively, linkage section 13 can be arc-shaped transition section, that is, and can rounding off between large mouth section 11 and osculum section 12.Air-flow is when through linkage section 13, and air-flow flows along the arcwall face of linkage section 13, thus slowly can accelerate air current flow.
In some embodiments of the invention, inner surface and the outer surface of each guide shell 2 are arcwall face, and as shown in Fig. 4-Fig. 9, each gas channel 3 is formed as arc shape, thus is convenient to the circulation of gas at gas channel 3.Alternatively, the direction of wall thickness along its first end to the second end of guide shell 2 reduces gradually.Thus, the flowing of gas can be accelerated, the production material of guide shell 2 can be saved simultaneously.
As optional embodiment, the inwall of guide shell 2 is positioned at the tangent line at the second end place and the axis general parallel orientation of guide shell 2.Shown in composition graphs 4-Fig. 9, the first gas channel 31 is formed between first guide shell 21 and the second guide shell 22, first gas channel 31 is formed by the inwall of the second guide shell 22 and the outer wall of the first guide shell 21, according to Coanda effect, gas flows along the inwall of the second guide shell 22 in the first gas channel 31, when gas leaves the first gas channel 31, gas is still along the direction flowing that inwall extends, direction i.e. the second guide shell 22 that inwall extends is positioned at the direction of the tangent line at the second end place on inwall, the axis general parallel orientation of tangent line and the second guide shell 22, that is, the flow direction of gas and the axis general parallel orientation of the second guide shell 22, make flowing to of the air-flow of gas and the second channel 5 entered from the first gas channel 31 identical, be convenient to mixing of gas and air-flow.
In one embodiment of the invention, multiple guide shell 2 is coaxial and connected by dowel 6 between multiple guide shell 2, and dowel 6 extends along the axial direction of multiple guide shell 2.Thus, second channel 5 is extended along the axis of multiple guide shell 2, thus is convenient to the circulation of air-flow at second channel 5, meanwhile, by dowel 6, multiple guide shell 2 is fixed and is located, make the structure of multiple guide shell 2 simple.In the such as example shown in Fig. 3-Fig. 9, dowel 6 is positioned at the second end place of each guide shell 2.As optional embodiment, dowel 6 can be multiple and along guide shell 2 circumference and is uniformly distributed, thus can strengthen the structural strength between multiple guide shell 2 further.
Alternatively, the bearing of trend of dowel 6 between at least one guide shell 2 of contiguous main cylinder 1 and the axis being parallel of guide shell 2, to strengthen the bonding strength between multiple guide shell 2 and main cylinder 1.As shown in Fig. 4-Fig. 9, the size of the second end cross section of at least one guide shell 2 of contiguous main cylinder 1 is identical with the size of the cross section of the port of export 15 of main cylinder 1.In the such as example shown in Fig. 3-Fig. 9, guide shell 2 is six, second end cross-sectional area of three guide shells 2 (the first guide shell 21, second guide shell 22 as shown in Figure 4 and the 3rd guide shell 23) of contiguous main cylinder 1 is identical with the cross-sectional area of the port of export 15 of main cylinder 1, that is, air-flow is when flowing to second channel 5 from the port of export 15 of first passage 4, the cross-sectional area of airflow is constant, thus, when air-flow flows to second channel 5 from first passage 4, can air dispersion be avoided, ensure the flow velocity of air-flow.The bearing of trend of the dowel 6 between three guide shells 2 and the axis being parallel of guide shell 2, thus the structural strength between three guide shells 2 can be strengthened.
Shown in composition graphs 3-Fig. 9, the direction along first end to the second end, the bearing of trend of the dowel 6 between another part guide shell 2 is gradually away from the axis of guide shell 2, so that being fixedly connected with between another part guide shell 2.In the such as example shown in Fig. 3-Fig. 9, guide shell 2 is six, six guide shells 2 are connected to substantially horn-like, on direction from right to left, away from three guide shells 2 (the 4th guide shell 24 as shown in Figure 4 of main cylinder 1, 5th guide shell 25 and the 6th guide shell 26) the second end cross-sectional area increase successively, that is, second channel 5 is at the 4th guide shell 2, the cross-sectional area of the part of the 5th guide shell 2 and the 6th guide shell 2 increases gradually, air-flow is at the 4th guide shell 24, second channel 5 part of the 5th guide shell 25 and the 6th guide shell 26 is gradually to external diffusion, thus the region covered after air-flow flows out induced air nozzle 100 can be increased.
In some embodiments of the invention, the cross section of main cylinder 1 and guide shell 2 is circular or polygon, in the such as example shown in Fig. 1-Fig. 9, the contraction cylindrical shape that main cylinder 1 is roughly, guide shell 2 is substantially in horn-like, the cross-sectional area of the first end of guide shell 2 be greater than the cross-sectional area of the second end and its sidewall to projecting inward formation arc shape, make the medial surface of guide shell 2 and curved of lateral surface, so that gas is in the circulation of gas channel 3.
A specific embodiment according to induced air nozzle 100 of the present invention is specifically described below with reference to Fig. 1-Fig. 9.
As shown in Fig. 1-Fig. 9, induced air nozzle 100 comprises main cylinder 1 and multiple guide shell 2, and the cross section of main cylinder 1 and guide shell 2 is circular.Main cylinder 1 comprises large mouth section 11, osculum section 12, the entrance point 14 of main cylinder 1 is positioned in large mouth section 11, the port of export 15 is positioned in osculum section 12, the cross-sectional area of large mouth section 11 is greater than the cross-sectional area of osculum section 12 to form contraction flow region, make air-flow more concentrated, meanwhile, the circulation area of air-flow reduces, thus can increase the flow velocity of air-flow.
As shown in Fig. 4-Fig. 9, guide shell 2 is multiple, the cross-sectional area of each guide shell 2 reduces from its first end gradually to its second end, multiple guide shell 2 is connected and is connected to outside main cylinder 1 by the first end of the guide shell 2 closing on main cylinder 1, it is outer and limit gas channel 3 that the first end of all the other each guide shells 2 is set in the second end of the guide shell 2 be adjacent, and wherein gas channel 3 is configured to the air driven of discharging from the port of export 15 of main cylinder 1 and air-flow mixed airflow passage 3 and accelerate outflow.
Wherein, inner surface and the outer surface of each guide shell 2 are arcwall face, make the curved shape of each gas channel 3, so that gas flows in gas channel 3.The inwall of each guide shell 2 is positioned at the tangent line at the second end place and the axis general parallel orientation of described guide shell 2, like this, flow with the direction of the axis general parallel orientation of guide shell 2 in gas edge when leaving gas channel 3 of gas channel 3, identical with the air current flow direction of second channel 5.
Further, multiple guide shell 2 is coaxial and connected by dowel 6 between multiple guide shell 2, and dowel 6 extends along the axial direction of multiple guide shell 2.As shown in Fig. 4-Fig. 9, in substantially horn-like after multiple guide shell 2 is connected, like this, air-flow, when flowing out induced air nozzle 100, can increase the overlay area after air-flow outflow.Dowel 6 is that multiple and along guide shell 2 circumference distributes, so that being connected and fixed between multiple guide shell 2.
According to the induced air nozzle 100 of the embodiment of the present invention, air-flow flows to multiple guide shell 2 from main cylinder 1, when airflow passes guide shell 2, the air outside induced air nozzle 100 can be driven to flow into from gas channel 3, thus, not only can promote the flowing of air-flow in induced air nozzle 100, and the air-out flow of induced air nozzle 100 can be increased.
The invention allows for a kind of air refreshing device of air-conditioning.As shown in Figure 10, high pressure positive blower 8 and above-mentioned induced air nozzle 100 is comprised according to the air refreshing device of a kind of air-conditioning of the embodiment of the present invention, be connected by connecting pipe 7 between high pressure positive blower 8 and induced air nozzle 100, high pressure positive blower 8 can extract fresh air outdoor, and air is filtered and is delivered to induced air nozzle 100 by connecting pipe 7, thus, introduced outdoor by high pressure positive blower 8 and filter fresh air, to increase the content of anion in room air, and by induced air nozzle 100, the fresh air of introduction is delivered to indoor everywhere, room air is driven to accelerate flowing, thus raising indoor air quality.
The invention allows for a kind of air-conditioning with above-mentioned air refreshing device, according to the air-conditioning of the embodiment of the present invention, can promote that indoor air accelerates flowing, to improve indoor air quality.
According to the air-conditioning of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (14)
1. an induced air nozzle, is characterized in that, comprising:
Main cylinder, described main cylinder is formed with contraction flow region, and the cross sectional dimensions of the entrance point of described main cylinder is greater than the cross sectional dimensions of the port of export;
Multiple guide shell, the cross sectional dimensions of each described guide shell reduces from its first end gradually to its second end, wherein the first end of the guide shell of contiguous described main cylinder is connected to outside the port of export of described main cylinder, it is outer and limit gas channel that the first end of all the other each guide shells is set in described second end of the guide shell be adjacent, and wherein said gas channel is configured to the air driven of discharging from the described port of export of described main cylinder and the air-flow mixed described gas channel and accelerate to flow out.
2. induced air nozzle according to claim 1, is characterized in that, described main cylinder comprises:
Large mouth section, wherein said entrance point is positioned in described large mouth section;
Osculum section, described osculum section is connected to one end away from described entrance point of described large mouth section, and the cross sectional dimensions of wherein said osculum section is less than the cross sectional dimensions of described large mouth section to form described contraction flow region.
3. induced air nozzle according to claim 2, is characterized in that, described osculum section is connected in described large mouth section by linkage section.
4. induced air nozzle according to claim 3, is characterized in that, described linkage section is arc-shaped transition section.
5. induced air nozzle according to claim 1, is characterized in that, inner surface and the outer surface of each described guide shell are arcwall face.
6. induced air nozzle according to claim 5, is characterized in that, the direction of wall thickness along its first end to the second end of described guide shell reduces gradually.
7. induced air nozzle according to claim 5, is characterized in that, the inwall of described guide shell is positioned at the tangent line at the second end place and the axis general parallel orientation of described guide shell.
8. the induced air nozzle according to any one of claim 1-7, is characterized in that, multiple described guide shell is coaxial and be connected by dowel between multiple described guide shell, and described dowel extends along the axial direction of described multiple guide shell.
9. induced air nozzle according to claim 8, is characterized in that, the bearing of trend of dowel described at least one of contiguous described main cylinder between guide shell and the axis being parallel of described guide shell.
10. induced air nozzle according to claim 9, is characterized in that, the direction along described first end to described second end, and the bearing of trend of the dowel described in another part between guide shell is gradually away from the axis of described guide shell.
11. induced air nozzles according to claim 8, is characterized in that, described dowel is multiple, and is uniformly distributed along the circumference of described guide shell.
12. induced air nozzles according to claim 1, is characterized in that, the cross section of described main cylinder and described guide shell is circular or polygon.
The air refreshing device of 13. 1 kinds of air-conditionings, is characterized in that, comprising:
High pressure positive blower;
Induced air nozzle according to any one of claim 1-12, described induced air nozzle is connected with described high pressure positive blower by connecting pipe.
14. 1 kinds of air-conditionings, is characterized in that, comprise the air refreshing device of air-conditioning according to claim 13.
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| CN111380136A (en) * | 2018-12-28 | 2020-07-07 | 广东松下环境系统有限公司 | Air mixing structure and air supply device using same |
| CN111981578A (en) * | 2020-08-11 | 2020-11-24 | Tcl空调器(中山)有限公司 | Machine in new trend module and air conditioning |
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| CN111380136A (en) * | 2018-12-28 | 2020-07-07 | 广东松下环境系统有限公司 | Air mixing structure and air supply device using same |
| CN111981578A (en) * | 2020-08-11 | 2020-11-24 | Tcl空调器(中山)有限公司 | Machine in new trend module and air conditioning |
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