Search

CN-224228832-U - Vortex ring air supply device with cavity volume adjusting function

CN224228832UCN 224228832 UCN224228832 UCN 224228832UCN-224228832-U

Abstract

The utility model discloses a vortex ring air supply device with a cavity volume adjusting function, which comprises an air supply cavity, an elastic membrane, a disturbance component, a first expansion ring, a second expansion ring, a nozzle mounting ring and an adjusting structure, wherein the first expansion ring and the second expansion ring are slidably arranged in the air supply cavity, the first expansion ring is slidably arranged at the inner side of the air supply cavity, the second expansion ring is slidably arranged at the inner side of the first expansion ring, one end, far away from the first expansion ring, of the second expansion ring is slidably arranged in the nozzle mounting ring, the elastic membrane is arranged at one end of the air supply cavity and is used for enabling the disturbance component to reciprocate to push air in the cavity to form the vortex ring, the outer side of the nozzle mounting ring is hinged with a nozzle adjusting sleeve and is used for adjusting the sectional area of an air outlet, and the adjusting structure comprises a first memory alloy spring, a second memory alloy spring and a third memory alloy spring, and the first expansion ring, the second expansion ring and the nozzle mounting ring are respectively connected and driven to axially slide so as to adjust the effective volume of the air supply cavity.

Inventors

  • YAN ZICHUN
  • HU DANFENG
  • XU HE

Assignees

  • 苏州大学

Dates

Publication Date
20260512
Application Date
20260311

Claims (10)

  1. 1. The vortex ring air supply device with the cavity volume adjusting function is characterized by comprising an air supply cavity (2), an elastic membrane (3), a disturbance component (5), a nozzle mounting ring (8) and an adjusting structure; The air supply cavity (2) is internally provided with a first expansion ring (6) and a second expansion ring (7) in a sliding manner, the first expansion ring (6) is arranged on the inner side of the air supply cavity (2) in a sliding manner, the second expansion ring (7) is arranged on the inner side of the first expansion ring (6) in a sliding manner, and one end, far away from the first expansion ring (6), of the second expansion ring (7) is arranged in the spout mounting ring (8) in a sliding manner; the elastic membrane (3) is arranged at one end of the air supply cavity (2) and is used for enabling the disturbance component (5) to reciprocate so as to push the gas in the cavity to form a vortex ring; The outer side of the nozzle mounting ring (8) is hinged with a nozzle adjusting sleeve (9) for adjusting the sectional area of the air outlet; The adjusting structure comprises a first memory alloy spring (201), a second memory alloy spring (601) and a third memory alloy spring (801), and the first expansion ring (6), the second expansion ring (7) and the nozzle mounting ring (8) are respectively connected and driven to slide along the axial direction so as to adjust the effective volume of the air supply cavity (2).
  2. 2. The vortex ring air supply device with the cavity volume adjusting function according to claim 1, wherein the disturbance assembly (5) comprises a driving motor (502), a second permanent magnet (504) and a first permanent magnet (4) arranged on the elastic membrane (3), the driving motor (502) drives the second permanent magnet (504) to rotate through a disturbance rod (503), and the elastic membrane (3) is driven to reciprocate through magnetic attraction between the second permanent magnet (504) and the first permanent magnet (4).
  3. 3. The vortex ring air supply device with the cavity volume adjusting function according to claim 1 is characterized in that the nozzle adjusting sleeve (9) is rotatably installed in a hinge groove (803) in a yielding groove (802) of the nozzle installing ring (8) through a hinge shaft (901), a rotary spring (902) is sleeved on the hinge shaft (901), and when the memory alloy spring is powered off and reset and the cavity volume is restored, the rotary spring (902) releases energy storage to drive the nozzle adjusting sleeve (9) to automatically reset to an initial opening.
  4. 4. The vortex ring air supply device with the cavity volume adjusting function according to claim 3, wherein the nozzle adjusting sleeve (9) is provided with a linkage rope (904), one end of the linkage rope (904) is connected with a first connecting plate (202) on the air supply cavity (2), the other end of the linkage rope is connected with a second connecting plate (903) on the nozzle adjusting sleeve (9), when the volume of the air supply cavity (2) changes due to the expansion and the contraction of a memory alloy spring, the linkage rope (904) is stretched or loosened, and accordingly the nozzle adjusting sleeve (9) is driven to rotate around a hinge shaft (901), and synchronous adjustment of the nozzle cross section area and the cavity volume is achieved.
  5. 5. The vortex ring air supply device with the cavity volume adjusting function according to claim 4, wherein a telescopic sleeve (10) is arranged between the air supply cavity (2) and the nozzle adjusting sleeve (9), the telescopic sleeve (10) is composed of a first telescopic sleeve (1001), a second telescopic sleeve (1002), a third telescopic sleeve (1003) and a flexible telescopic sleeve (1004) which are sequentially sleeved, and the linkage rope (904) is connected and penetrates through the telescopic sleeve (10).
  6. 6. The vortex ring air supply device with the cavity volume adjusting function according to claim 1, wherein a supporting base (1) is arranged at the bottom of the air supply cavity (2).
  7. 7. The vortex ring air supply device with the cavity volume adjusting function according to claim 6, wherein a supporting frame (11) is arranged on the outer side of the nozzle mounting ring (8), and the supporting frame (11) is in sliding connection with the supporting base (1).
  8. 8. The vortex ring air supply device with the cavity volume adjusting function according to claim 7, wherein the supporting frame (11) is in sliding fit in a sliding groove (101) on the supporting base (1) through a sliding block (1101).
  9. 9. The vortex ring air supply device with the cavity volume adjusting function according to claim 1, wherein a rectifying plate (12) is arranged on the inner side of the nozzle mounting ring (8) and used for rectifying outflow gas.
  10. 10. The vortex ring blower with cavity volume adjustment function according to claim 1, characterized in that the blower cavity (2) is provided with mounting holes (203) for mounting elastic membranes.

Description

Vortex ring air supply device with cavity volume adjusting function Technical Field The utility model relates to a vortex ring air supply device with a cavity volume adjusting function, and belongs to the technical field of vortex ring air supply. Background The circular air supply technology has been widely used in the fields of indoor ventilation, equipment heat dissipation, precise environmental temperature control (such as medical clean room and laboratory), new energy automobile heat management and the like by virtue of the advantages of strong air flow concentration, long propagation distance, low energy consumption and the like. The core principle is that the driving part pushes the gas in the cavity to spray the gas from the nozzle in the form of a vortex ring, and the high-efficiency air flow conveying is realized by utilizing the ring core rotation characteristic of the vortex ring, so that compared with the traditional direct jet air supply, the air supply coverage range and the energy utilization rate can be remarkably improved. The air supply cavity of the conventional vortex ring air supply device is of an integrated fixed structure, the volume cannot be dynamically adjusted according to actual air supply requirements, so that the annular quantity (vortex strength), initial momentum and other core parameters of the vortex ring are limited, only a single working condition can be adapted, the nozzle of the conventional device is of a fixed size design, linkage cannot be formed with the change of the volume of the cavity, and when the air flow parameters in the cavity are changed due to fluctuation of the working condition (such as the change of the temperature and the pressure of air), the fixed nozzle is difficult to adapt to the air flow outlet requirements, so that the vortex ring air supply device with the cavity volume adjusting function is provided. Disclosure of utility model The utility model aims to solve the problem that the air supply cavity of the existing vortex ring air supply device is mostly of an integrated fixed structure, and the volume cannot be dynamically adjusted according to actual air supply requirements, and provides the vortex ring air supply device with the cavity volume adjusting function. In order to achieve the above purpose/solve the above technical problems, the present utility model is realized by adopting the following technical scheme: a vortex ring air supply device with a cavity volume adjusting function comprises an air supply cavity, an elastic membrane, a disturbance component, a nozzle mounting ring and an adjusting structure; The inside of the air supply cavity is provided with a first expansion ring and a second expansion ring in a sliding manner, the first expansion ring is arranged on the inner side of the air supply cavity in a sliding manner, the second expansion ring is arranged on the inner side of the first expansion ring in a sliding manner, and one end, far away from the first expansion ring, of the second expansion ring is arranged in the nozzle mounting ring in a sliding manner; The elastic membrane is arranged at one end of the air supply cavity and is used for enabling the disturbance component to reciprocate so as to push gas in the cavity to form a vortex ring; the outer side of the nozzle mounting ring is hinged with a nozzle adjusting sleeve for adjusting the sectional area of the air outlet; The adjusting structure comprises a first memory alloy spring, a second memory alloy spring and a third memory alloy spring which are respectively connected with and drive the first expansion ring, the second expansion ring and the nozzle mounting ring to axially slide so as to adjust the effective volume of the air supply cavity. Optionally, the disturbance component comprises a driving motor, a second permanent magnet and a first permanent magnet arranged on the elastic membrane, wherein the driving motor drives the second permanent magnet to rotate through a disturbance rod, and the elastic membrane is driven to reciprocate through magnetic attraction between the second permanent magnet and the first permanent magnet. Optionally, the spout adjusting sleeve is rotatably arranged in a hinge groove in the abdication groove of the spout mounting ring through a hinge shaft, and a rotary spring is sleeved on the hinge shaft, when the memory alloy spring is powered off and reset, and the cavity volume is restored, the rotary spring releases energy storage, and the spout adjusting sleeve is driven to automatically reset to the initial opening. Optionally, the nozzle adjusting sleeve is provided with a linkage rope, one end of the linkage rope is connected with a first connecting plate on the air supply cavity, the other end of the linkage rope is connected with a second connecting plate on the nozzle adjusting sleeve, and when the volume of the air supply cavity changes due to the expansion and contraction of the memory alloy spring, the linkage rope i