Oscillator-based bladeless fan outlet, working method, and bladeless fan

Abstract

The present invention discloses a bladeless fan outlet based on an oscillator, a working method and a bladeless fan, comprising a bladeless fan outlet body and an oscillator; a bladeless fan outlet slit baffle is provided on the inner side of the bladeless fan outlet body, a slot is provided on the outer side of the bladeless fan outlet body, and there is a length difference between the two sides of the slot, and the outer side of the slot is shorter; the oscillator comprises an oscillator body, baffles are symmetrically provided on both sides of the oscillator body, and a feedback channel is formed between the inner wall of the oscillator body and the baffles; a latch adapted to the slot is provided on the outer side of the oscillator body outlet, and an oscillator baffle is provided at the outlet of the oscillator body, and both sides of the oscillator baffle are connected to the latch; the bladeless fan outlet body and the oscillator body outlet are detachably connected through the slot and the latch. The present invention improves the user's comfort, and the normal air outlet and dynamic blowing modes can be replaced as needed, so as to realize the switching of air outlet modes on the same device.

Description

Technical Field

[0001] The present invention relates to the technical field of bladeless fan outlets, and in particular to an oscillator-based bladeless fan outlet, a working method, and a bladeless fan. Background Art

[0002] Currently, the primary characteristic of bladeless fans is that they produce direct airflow, continuously directed toward a fixed area. This single, direct airflow method creates numerous inconveniences for users. From a human perspective, directing air continuously toward the same area for extended periods can cause localized overstimulation, leading to a rapid drop in body temperature, discomfort, and potentially health issues such as joint pain and muscle stiffness.

[0003] In terms of spatial coverage, direct airflow can only cover a small area, making it difficult to effectively ventilate and cool a large area. In scenarios requiring large-scale air conditioning, such as large living rooms, workshops, and warehouses, its limited coverage can hinder its effectiveness and fail to meet users' needs for uniform temperature regulation and air circulation within the space.

[0004] To address the coverage issue, a commonly used method is to rotate the fan left and right to increase the airflow angle. However, this mechanical rotation method has certain limitations. First, its rotation range is usually limited, and it cannot achieve full airflow coverage. It can only swing within a certain angle range, and some areas are still not effectively covered. Second, the rotation requires additional mechanical components and power support, which increases the fan's structural complexity and energy consumption. Furthermore, the existence of the rotational motion will cause the fan to generate a certain amount of noise, affecting the user experience.

[0005] The Coanda Sweep Oscillator is a fluid dynamics device that utilizes the Coanda effect to generate periodic airflow oscillations without mechanical moving parts. This device leverages the inherent dynamic properties of the fluid to form a self-excited periodic jet at the outlet, achieving automatic sweeping of the airflow direction. Key features include a simple structure, self-excited oscillations, high energy efficiency, and strong environmental adaptability. It is widely used in fields such as flow control and combustion optimization.

[0006] Therefore, an oscillator-based bladeless fan outlet, a working method and a bladeless fan are provided. Summary of the Invention

[0007] The purpose of the present invention is to provide a bladeless fan outlet, a working method and a bladeless fan based on an oscillator, so as to overcome the disadvantage of the prior art bladeless fan causing discomfort caused by long-term direct blowing.

[0008] In order to achieve the above object, the present invention provides the following technical solutions:

[0009] In a first aspect, the present invention provides an oscillator-based bladeless fan outlet, comprising a bladeless fan outlet body and an oscillator;

[0010] A bladeless fan outlet slit baffle is provided on the inner side of the bladeless fan outlet body, and a slot is provided on the outer side of the bladeless fan outlet body. The slot has a length difference on both sides and the outer side of the slot is shorter. A certain space is reserved on the outer side as a plug-in clearance to avoid interference between components and the edge of the slot.

[0011] The oscillator includes an oscillator body, with baffles symmetrically arranged on both sides of the body. Feedback channels are formed between the baffles and the body, the inner wall of the oscillator body, and the baffles. When air enters the oscillator body's inlet, a portion of the air passes through the feedback channels. The presence of the feedback channels creates a specific flow pattern within the oscillator, generating periodic airflow oscillations. This oscillation helps enhance the energy and stability of the airflow, making the blown air more regular and intense. A latch that fits into a slot is provided on the outer side of the oscillator body's outlet, and an oscillator baffle is provided at the oscillator body's outlet, with both sides connected to the latches. The bladeless fan outlet body is detachably connected to the oscillator body outlet via the slot and latch.

[0012] Furthermore, the inner cavity of the bladeless fan outlet body includes a first arc, a second arc, and a third arc, wherein the first arc, the second arc, and the third arc are bent into one body; the first arc and the second arc are tangent at their intersection, and the second arc and the third arc are tangent at their intersection. The tangent intersection of the arcs helps guide airflow smoothly through the bladeless fan outlet.

[0013] Furthermore, the bladeless fan outlet slit baffle includes a windward slope, a leeward slope, a coupling groove and a flat slope; when the bladeless fan outlet body is connected to the oscillator body outlet, the coupling groove is slidingly connected to the oscillator baffle, and when the bladeless fan outlet body is separated from the oscillator body outlet, the coupling groove is separated from the oscillator baffle; the flat slope is located on the inner side of the coupling groove and contacts the outer surface of the oscillator baffle; the windward slope and the leeward slope are tangentially connected at the oscillator body outlet, the windward slope is the side of the bladeless fan outlet slit baffle that contacts the airflow and is connected to the outlet of the oscillator body through the leeward slope, and when the airflow passes through, the windward slope guides the airflow into the bladeless fan outlet body.

[0014] Furthermore, the length difference between two sides of the slot is equal to the distance difference between the partition and the bottom of the oscillator body.

[0015] Furthermore, the slot is provided with a first corrugation on both sides, and the outer side of the latch is provided with a second corrugation matching the corrugation, thereby improving the tightness between the latch and the slot and reducing airflow leakage and loose assembly.

[0016] Furthermore, a notch is provided on the inner side of the latch, which can provide a reserved space for deformation of the latch. When the latch is affected by external force, it can deform to a certain extent, so that the latch can better adapt to the change of working state.

[0017] Furthermore, the width of the outlet of the oscillator body is smaller than the width of the inlet of the oscillator body.

[0018] Furthermore, the bladeless fan outlet body is olive-shaped.

[0019] In a second aspect, the present invention provides a method for operating a bladeless fan outlet based on an oscillator, including two operating modes:

[0020] Dynamic blowing mode: When the oscillator body is connected to the bladeless fan outlet body through a pin, the oscillator body is pushed into the slot so that the bottom of the oscillator body inlet and the side of the slot close to the bladeless fan outlet are in the same plane. At this time, part of the oscillator baffle is inserted into the slit baffle of the bladeless fan outlet, and the airflow passes through the feedback channel. At this time, an oscillating jet is formed at the outlet of the oscillator body; this dynamic oscillating airflow has unique flow characteristics, which can not only expand the air outlet range, but also simulate the periodic changes of natural wind, bringing users a more comfortable use experience. At the same time, it also improves the ventilation and cooling effects of the equipment. It is suitable for scenarios that require large-area, dynamic wind field adjustment, such as ventilation and cooling of large spaces or simulation of natural wind environments.

[0021] Normal blowing mode: When the oscillator body is connected to the bladeless fan outlet body through the pin, push the oscillator body into the slot, and the bottom of the slot contacts the pin. At this time, the oscillator baffle is completely inserted into the slit baffle of the bladeless fan outlet, and the airflow does not pass through the feedback channel. At this time, normal airflow is at the outlet of the oscillator body.

[0022] In a third aspect, the present invention provides a bladeless fan, which uses the above-mentioned oscillator-based bladeless fan outlet.

[0023] Compared with the prior art, the present invention has the following beneficial technical effects:

[0024] The present invention provides an oscillator-based bladeless fan outlet, comprising a bladeless fan outlet body and an oscillator, which are structurally arranged at the connection point. By utilizing the design of slots and latches, the bladeless fan outlet has two different air outlet modes, namely normal air outlet and dynamic blowing mode. The dynamic blowing mode introduces the oscillation phenomenon generated by the oscillator structure to form a sweeping oscillating jet, simulating the periodic changes of natural wind, giving users a more comfortable and natural blowing experience. It is suitable for use when people are resting, relaxing, or engaging in outdoor activities, avoiding the discomfort caused by the long-term continuous direct blowing of traditional bladeless fans, and improving the user's comfort. The normal air outlet and dynamic blowing modes can be switched as needed.

[0025] The present invention has two slots on the outlet side of the bladeless fan outlet body. The slots have corrugations, which can enhance the tightness of the fit with the latch, improve the tightness of the connection, reduce airflow leakage and loose assembly, and ensure that the air outlet efficiency and performance of the equipment are not affected by leakage.

[0026] The two sides of the slot of the present invention have a length difference, which provides a plugging and unplugging gap for the outer side, making it convenient to assemble and disassemble components. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of the outlet structure of a bladeless fan based on an oscillator in an embodiment of the present invention.

[0028] Figure 2 Schematic diagram of the bladeless fan outlet body in an embodiment of the present invention.

[0029] Figure 3 Schematic diagram of a slot in an embodiment of the present invention.

[0030] Figure 4 Schematic diagram of the slit baffle of the bladeless fan port in an embodiment of the present invention.

[0031] Figure 5 Schematic diagram of the oscillator structure in an embodiment of the present invention.

[0032] Figure 6 FIG. 4 is a top view of the oscillator structure in an embodiment of the present invention.

[0033] Figure 7 Schematic diagram of the assembly of the bladeless fan outlet body and oscillator in the embodiment of the present invention Figure 1 .

[0034] Figure 8 Schematic diagram of the assembly of the bladeless fan outlet body and oscillator in the embodiment of the present invention Figure 2 .

[0035] Figure 9 Schematic diagram of the assembly of the bladeless fan outlet body and oscillator in the embodiment of the present invention Figure 3 .

[0036] Figure 10 Schematic diagram of the assembly of the bladeless fan outlet body and oscillator in the embodiment of the present invention Figure 4 .

[0037] Figure 11 Schematic diagram of the assembly state in the embodiment of the present invention Figure 1 .

[0038] Figure 12 Schematic diagram of the assembly state in the embodiment of the present invention Figure 2 .

[0039] Figure 13 Schematic diagram of the assembly state in the embodiment of the present invention Figure 3 .

[0040] Figure 14 Schematic diagram of air flow (dynamic blowing) in an embodiment of the present invention Figure 1 .

[0041] Figure 15 Schematic diagram of air flow (normal blowing) in an embodiment of the present invention Figure 2 .

[0042] In the figure, 1. bladeless fan outlet body; 2. arc one; 3. arc two; 4. arc three; 5. bladeless fan outlet slit baffle; 5a. windward slope; 5b. leeward slope; 5c. coupling groove; 5d. flat slope; 6. slot; 7. slot distance; 8. corrugation one; 9. oscillator body; 10. partition; 11. feedback channel; 12. slot; 13. corrugation two; 14. oscillator baffle; 15. latch; 16. distance between partition and bottom; 17. matching installation direction; 18. plug-in and unplug direction; 19. separation bubble; 20. fluid flow direction in feedback channel; 21. main fluid flow direction; 22. external distance between two structures; 23. internal distance between two structures. DETAILED DESCRIPTION

[0043] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0044] It should be noted that the terms "first", "second", etc. in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0045] See Figures 1 to 7 The present invention provides a bladeless fan outlet based on an oscillator. This structure can achieve two air outlet modes on one device: one is normal air outlet and the other is dynamic periodic air outlet. It includes a bladeless fan outlet body 1 and an oscillator;

[0046] A bladeless fan outlet slit baffle 5 is located inside the bladeless fan outlet body 1. The length of the bladeless fan outlet slit baffle 5 ensures that the bladeless fan and the oscillator are connected. The presence of the bladeless fan outlet slit baffle 5 allows the airflow to be ejected horizontally. A slot 6 is provided on the outside of the bladeless fan outlet body 1, with a length difference between the two sides of the slot 6, and the outer length of the slot 6 is shorter than the inner length of the slot 6 near the bladeless fan outlet. The oscillator includes an oscillator body 9, and the oscillator body 9 has baffles 10 symmetrically arranged on both sides.

[0047] A feedback channel 11 is formed between the inner wall of the oscillator body 9 and the partition 10, and the feedback channel 11 connects the bladeless fan outlet and the outlet of the oscillator body 9; a latch 15 adapted to the slot 6 is provided on the outside of the outlet of the oscillator body 9, and an oscillator baffle 14 is provided at the outlet of the oscillator body 9, and both sides of the oscillator baffle 14 are connected to the latch 15; the bladeless fan outlet body 1 and the oscillator body 9 outlet are detachably connected through the slot 6 and the latch 15.

[0048] It should be noted that the length difference on both sides of the slot 6 is the notch distance 7, the distance difference between the partition 10 and the inner bottom surface of the entrance of the oscillator body 9 is the partition distance from the bottom 16, and the length difference on both sides of the slot 6 is equal to the distance difference between the partition 10 and the inner bottom surface of the entrance of the oscillator body 9, that is, the notch distance 7 and the partition distance from the bottom 16 are equal, so that when the pin 15 is inserted into the slot 6, the relative position between the partition 10 in the oscillator body 9 and the bladeless fan outlet body 1 can be ensured to be more accurate; it helps to achieve more precise matching when assembling the oscillator body 9 and the bladeless fan outlet body 1.

[0049] In some preferred embodiments of the present invention, the bladeless fan inlet slit baffle 5 includes a windward slope 5a, a leeward slope 5b, a coupling groove 5c, and a flat slope 5d. The windward slope 5a, as the side of the bladeless fan inlet slit baffle 5 that contacts the airflow, primarily guides the airflow into the bladeless fan outlet body 1. The leeward slope 5b connects the windward slope 5a with the outlet of the oscillator body 9, acting as a transition. It connects tangentially to the windward slope 5a at the outlet of the oscillator body 9, ensuring a smooth transition of airflow from the windward slope 5a to the outlet of the oscillator body 9.

[0050] When the bladeless fan outlet body 1 is connected to the oscillator body 9 outlet, the coupling groove 5c is slidably connected to the oscillator baffle 14; when the bladeless fan outlet body 1 is separated from the oscillator body 9 outlet, the coupling groove 5c is separated from the oscillator baffle 14; the flat slope 5d is located on the inner side of the coupling groove 5c and contacts the outer surface of the oscillator baffle 14; and in different working modes, the cooperation between the coupling groove 5c and the oscillator baffle 14 can adjust the flow state of the airflow, providing a structural basis for achieving different air outlet modes.

[0051] In some preferred embodiments of the present invention, slot 6 is provided with corrugations 8 on both sides, and latch 15 is provided with corrugations 13 on the outside thereof, which mate with corrugations 8. When latch 15 is inserted into slot 6, corrugations 8 and 13 engage with each other. The presence of the corrugations increases the contact area between latch 15 and slot 6, and the irregularities of the corrugated surface further increase the friction between the two. In actual use, the bladeless fan generates vibrations during operation, and this friction effectively prevents latch 15 from sliding or loosening within slot 6.

[0052] In some preferred embodiments of the present invention, a notch 12 is provided on the inner side of the latch 15. When the bladeless fan switches between different working modes, it is usually necessary to adjust the position of the oscillator structure, which may cause the latch 15 to be subjected to certain external forces. The presence of the notch 12 provides space for the latch 15 to deform, so that the latch can undergo a certain degree of elastic deformation when subjected to these external forces.

[0053] In some preferred embodiments of the present invention, the outlet width of the oscillator body 9 is smaller than the inlet width of the oscillator body 9, which causes the main airflow to become unstable and adhere to the side walls. The feedback channels on both sides allow some of the unstable fluid to flow back and re-act on the main airflow, thus generating oscillation.

[0054] Specifically, the oscillator adopts a Coanda swept oscillator.

[0055] Example 2

[0056] The present invention also provides a method for operating a bladeless fan outlet based on an oscillator, see Figure 7 、 Figure 8 and Figure 11 , assemble the bladeless fan outlet body 1 and the oscillator main body 9, and the oscillator main body 9 is staggeredly assembled from the bottom of the bladeless fan outlet body 1 along the matching installation direction 17 in the figure. At this time, the coupling groove 5c on the bladeless fan outlet slit baffle 5 is exactly tangent to the starting end of the oscillator baffle 14, and no air blowing is performed at this time.

[0057] See Figure 9 、 Figure 12 and Figure 14 When it is necessary to change to the dynamic blowing mode, push the oscillator body 9 along the plug-in direction 18 for assembly, so that the bottom of the oscillator body 9 entrance is at the same height as the side of the slot 6 close to the bladeless fan outlet. At this time, part of the oscillator baffle 14 is inserted into the bladeless fan outlet slit baffle 5.

[0058] from Figure 14 It can be seen that at this time, the bladeless fan outlet body 1 and the oscillator body 9 are not yet completely connected, and there is still a certain distance between the outer spacing 22 of the two structures and the inner spacing 23 of the two structures.

[0059] The airflow passing through the bladeless fan outlet is called the main fluid, and the main fluid flows from the bladeless fan outlet to the outlet of the oscillator body 9, that is, Figure 14 The main fluid flows in the direction 21. A feedback channel 11 is formed between the inner wall of the oscillator body 9 and the partition 10. The feedback channel 11 connects the outlet of the bladeless fan and the outlet of the oscillator body 9. Since the outlet width of the oscillator body 9 is smaller than the inlet width of the oscillator body 9, the main airflow will become unstable, and thus it will stick to the side wall and enter the feedback channel 11. The fluid flow direction 20 in the feedback channel in the figure is the feedback channel 11, which allows some of the unstable fluid to flow back and act on the main airflow again, thereby generating an oscillation phenomenon. When the main airflow stably flows from the outlet of the bladeless fan to the outlet of the oscillator body 9, the main airflow at the outlet of the oscillator body 9 remains unchanged, but its direction will swing at a certain frequency within a certain angle range, forming a sweeping oscillating jet. The Coanda effect causes the main airflow to flow close to the partition wall. A nozzle is provided at the outlet of the bladeless fan. The flow-limiting effect of the nozzle causes part of the fluid to enter the feedback channel and flow back to the main fluid flow direction 21, thereby forming a separation bubble 19, which in turn causes the separation bubble to continue to grow, and then pushes the mainstream to another feedback channel 11. This process is continuously circulated, and finally a sweeping oscillating jet is formed at the nozzle.

[0060] See Figure 10 、 Figure 13 and Figure 15When it is necessary to change to normal blowing mode, push the oscillator along the plug-in direction 18 for assembly, push the oscillator body 9 into the slot, and the bottom of the slot 6 contacts the pin, that is, the outer spacing 22 of the two structures and the inner spacing 23 of the two structures are zero, and the mode switching is successful. This mode is normal blowing, and at this time the oscillator baffle 14 is completely inserted into the slit baffle 5 of the bladeless fan port.

[0061] The primary airflow flows from the bladeless fan outlet to the outlet of the oscillator body 9, generating a portion of secondary airflow. However, in this state, the feedback channel 11 does not connect the bladeless fan outlet and the outlet of the oscillator body 9, so the secondary airflow cannot form a backflow, and thus dynamic airflow cannot be achieved. After filling the closed feedback channels 11 on both sides, the primary airflow returns to the outlet of the oscillator body 9 along the original path and is ejected from the outlet of the oscillator body 9.

[0062] For example, the present invention also provides a bladeless fan, which uses the above-mentioned oscillator-based bladeless fan outlet.

[0063] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0064] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A bladeless fan outlet based on an oscillator, characterized in that, It includes a bladeless fan outlet body (1) and an oscillator; A bladeless fan outlet slit baffle (5) is provided on the inner side of the bladeless fan outlet body (1), and a slot (6) is provided on the outer side of the bladeless fan outlet body (1), and the two sides of the slot (6) have a length difference, and the outer side of the slot (6) is shorter; The oscillator comprises an oscillator body (9), wherein partitions (10) are symmetrically arranged on both sides of the interior of the oscillator body (9), a feedback channel (11) is formed between the inner wall of the oscillator body (9) and the partitions (10), a latch (15) adapted to the slot (6) is arranged on the outer side of the outlet of the oscillator body (9), and an oscillator baffle (14) is arranged at the outlet of the oscillator body (9), and both sides of the oscillator baffle (14) are connected to the latch (15); the bladeless fan outlet body (1) and the outlet of the oscillator body (9) are detachably connected through the slot (6) and the latch (15).

2. The bladeless fan outlet based on an oscillator according to claim 1, characterized in that: The inner cavity of the bladeless fan outlet body (1) comprises a first arc line (2), a second arc line (3) and a third arc line (4), wherein the first arc line (2), the second arc line (3) and the third arc line (4) are bent into one body; the first arc line (2) and the second arc line (3) are tangent to each other at their intersection, and the second arc line (3) and the third arc line (4) are tangent to each other at their intersection.

3. The bladeless fan outlet based on an oscillator according to claim 1, characterized in that: The bladeless fan outlet slit baffle (5) comprises a windward slope (5a), a leeward slope (5b), a coupling groove (5c) and a flat slope (5d); when the bladeless fan outlet body (1) is connected to the outlet of the oscillator body (9), the coupling groove (5c) is slidably connected to the oscillator baffle (14); when the bladeless fan outlet body (1) is separated from the outlet of the oscillator body (9), the coupling groove (5c) is separated from the oscillator baffle (14); the flat slope (5d) is located inside the coupling groove (5c) and contacts the outer surface of the oscillator baffle (14); the windward slope (5a) and the leeward slope (5b) are tangentially connected at the outlet of the oscillator body (9); the windward slope (5a) is the side of the bladeless fan outlet slit baffle (5) that contacts the airflow and is connected to the outlet of the oscillator body (9) through the leeward slope (5b); when the airflow passes through, the windward slope (5a) guides the airflow to smoothly enter the bladeless fan outlet body (1).

4. The bladeless fan outlet based on an oscillator according to claim 1, characterized in that: The length difference between the two sides of the slot (6) is equal to the distance difference between the partition (10) and the bottom of the oscillator body (9).

5. The bladeless fan outlet based on an oscillator according to claim 1, characterized in that: The slot (6) is provided with a first corrugation (8) on both sides, and a second corrugation (13) matching the first corrugation (8) is provided on the outer side of the latch (15).

6. The bladeless fan outlet based on an oscillator according to claim 5, characterized in that: A notch (12) is provided on the inner side of the latch (15).

7. The bladeless fan outlet based on an oscillator according to claim 1, characterized in that: The width of the outlet of the oscillator body (9) is smaller than the width of the inlet of the oscillator body (9).

8. The bladeless fan outlet based on an oscillator according to claim 1, characterized in that: The bladeless fan outlet body (1) is olive-shaped.

9. A method for operating a bladeless fan outlet based on an oscillator according to any one of claims 1 to 8, characterized in that: There are two working modes: Dynamic blowing mode: When the oscillator body (9) is connected to the bladeless fan outlet body (1) through the latch (15), the oscillator body (9) is pushed into the slot (6) so that the bottom of the oscillator body (9) inlet and the side of the slot (6) close to the bladeless fan outlet are in the same plane, at this time, part of the oscillator baffle (14) is inserted into the bladeless fan outlet slit baffle (5), and the air flow passes through the feedback channel (11), and at this time, an oscillating jet is formed at the outlet of the oscillator body (9); Normal blowing mode: When the oscillator body (9) is connected to the bladeless fan outlet body (1) through the latch (15), the oscillator body (9) is pushed into the slot (6), and the bottom of the slot (6) contacts the latch (15). At this time, the oscillator baffle (14) is completely inserted into the bladeless fan outlet slit baffle (5), and the air flow passes through the feedback channel (11). At this time, the outlet of the oscillator body (9) is normal air flow.

10. A bladeless fan, characterized in that: Application of an oscillator-based bladeless fan outlet as described in any one of claims 1-8.

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