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CN-122015316-A - Vortex tube

CN122015316ACN 122015316 ACN122015316 ACN 122015316ACN-122015316-A

Abstract

A vortex tube comprises a drainage system and a cold flow system, wherein the drainage system comprises an air inlet, a direction air guide wall for guiding air flow and a vortex ring air flow wall for swirling the air flow are arranged at the air inlet, the air inlet is communicated with a cold-hot air dividing valve for dividing the cold-hot air flow through an air flow channel, a hot outflow opening is formed in the wall surface of the air flow channel, which is positioned outside the cold-hot air dividing valve, a hot outflow opening is formed in the front side of an air outlet, the cold flow system comprises a backflow pipe which is arranged at the air inlet, the front end of the backflow pipe is communicated with the air flow channel to backflow the cold flow, an air pressure bag for forming air negative pressure is arranged at the outlet of the backflow pipe, a diversion ring for rotationally accelerating the cold flow is arranged on the radial outer ring of the air pressure bag, a speed-increasing air pressure opening is formed in one side of the diversion ring and is communicated with the air outlet through a smooth channel, a heating structure is arranged on the front side of the air outlet in the smooth channel, and the cold flow flows out of the air outlet after being heated by the cold flow.

Inventors

  • HUANG TIANXU

Assignees

  • 宁波酷儿智能科技有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (10)

  1. 1. The vortex tube comprises a drainage system and a cold flow system, wherein the drainage system comprises an air inlet, a direction air guide wall for guiding air flow and a vortex ring air flow wall for carrying out wall pressing vortex flow on the air flow are arranged at the air inlet, the air inlet is communicated with a cold and hot air dividing valve for dividing cold and hot air flow through an air flow channel, a hot outflow opening is formed in the wall surface of the air flow channel, which is positioned outside the cold and hot air dividing valve, and a hot flow outlet is formed in the front side of an air outlet.
  2. 2. A vortex tube as set forth in claim 1 wherein said air-pressure bag comprises a spherical wall and an end face, a negative pressure flow region being defined between said spherical wall and end face, said spherical wall being in communication with said return tube.
  3. 3. A vortex tube as set forth in claim 2 wherein the passageway through which the air bag communicates with the baffle ring narrows from wide in the direction of air flow.
  4. 4. The vortex tube of claim 1 wherein the air pressure port is disposed on a wall of the baffle ring, and the air inlet width of the air pressure port is greater than the air outlet width of the air pressure port.
  5. 5. A vortex tube as set forth in claim 1 wherein the flow direction of the air pressure port is opposite to the flow direction of the return tube.
  6. 6. The vortex tube of claim 1 wherein the smooth passageway is disposed outside the airflow passageway, the outer wall of the smooth passageway is an arcuate structure, and the outer wall and/or the inner wall of the smooth passageway are provided with stepped structures.
  7. 7. The vortex tube of claim 6 wherein the outer wall of the smooth passageway is provided with a flow guiding sheet positioned behind the stepped structure for guiding cold flow to the heating structure for heating.
  8. 8. A vortex tube as set forth in claim 1 wherein the air inlet is disposed perpendicular to the air flow path and the air inlet draws air flow through the external motor.
  9. 9. The vortex tube of claim 1 wherein the inlet is in a straight line with the air flow path, and wherein a vortex air inlet structure is provided at the inlet.
  10. 10. A vortex tube according to claim 8 or 9 wherein the vortex ring airflow wall is located outside the return duct and the directional air guide wall is located on one side of the vortex ring airflow wall.

Description

Vortex tube Technical Field The invention belongs to the technical field of vortex tubes, and relates to a vortex tube. Background The vortex tube refrigeration is a refrigeration method which is characterized in that a high-speed air flow is made to generate vortex to separate cold air flow and hot air flow by means of the effect of the vortex tube, and the cold air flow and the hot air flow are made to flow reversely and separate by means of the inert flow rate of cold air molecules and the active flow rate of hot air molecules. The cold air reflux obtained in the prior art is generally directly conveyed to corresponding parts to realize cold flow after the cold air is refluxed through a reflux pipe, the utilization efficiency of the cold flow is not high, and the problem of unsmooth gas flow exists. Disclosure of Invention In order to solve the technical problems, the invention provides the vortex tube, which accelerates the flow rate of cold flow gas to accelerate the flow rate of inert cold flow gas, ensures smooth flow of the gas and can avoid the backflow of the cold flow gas. The technical scheme adopted by the invention is as follows: The vortex tube comprises a drainage system and a cold flow system, wherein the drainage system comprises an air inlet, a direction air guide wall for guiding air flow and a vortex ring air flow wall for carrying out wall pressing vortex flow on the air flow are arranged at the air inlet, the air inlet is communicated with a cold and hot air dividing valve for dividing cold and hot air flow through an air flow channel, a hot outflow opening is formed in the wall surface, outside the cold and hot air dividing valve, of the air flow channel, a hot outflow opening is formed in the front side of an air outlet, the cold flow system comprises a backflow pipe arranged at the air inlet, the front end of the backflow pipe is communicated with the air flow channel to backflow cold flow, an air pressure bag for forming air negative pressure is arranged at the outlet of the backflow pipe, a diversion ring for rotationally accelerating the cold flow is arranged on the radial outer ring of the air pressure bag, one side of the diversion ring is provided with a wind pressure port for accelerating, the wind pressure port is communicated with the air outlet through a smooth channel, a heating structure is arranged on the front side of the air outlet in the smooth channel, and after the cold flow is heated, the cold flow flows out of the air outlet. Further, the air compression bag comprises a spherical wall surface and an end surface, a negative pressure flow area is formed between the spherical wall surface and the end surface, and the spherical wall surface is communicated with the return pipe. The spherical wall surface is smoothly arranged, so that air flow blocking is avoided, and the air flow is smoother. Further, the channel that air compressor package and water conservancy diversion ring intercommunication is by wide narrowing along the air current direction, can prevent the gas backward flow, can pass through the mutual collision extrusion between the cold flow inert gas molecule again, lets cold flow gas molecule constantly pile up in the fixed region, produces inside and outside negative pressure to form the phenomenon of inhaling the class in the miniport exit, directly provide the acceleration of cold flow gas flow, increase the velocity of flow when cold flow flows. Further, the wind pressure port is annularly arranged on the wall surface of the guide ring, and the air inlet width of the wind pressure port is larger than the air outlet width of the wind pressure port, so that the air pressures at two ends of the wind port show pressure difference, and the principle is the same as the above, and the supercharging acceleration flow is realized when the air flows. The wind pressure port uses Bernoulli principle, the inner part is big and the outer part is small, and the cold air flow circulating in the guide ring is pressurized and accelerated through the wind pressure port. Further, the cold flow direction of the wind pressure port is opposite to the cold flow direction of the return pipe. The invention accelerates the cold flow, guides the cold flow to the air outlet for heating, and merges the cold flow with the split hot flow for blowing. Further, the smooth passageway is located the outside of air current passageway, the outer wall of smooth passageway is an arc structure, be equipped with the ladder structure on the outer wall and/or the inner wall of smooth passageway, reinforcing gas flow accelerates gas flow process. Further, a drainage sheet for conducting cold flow to the heating structure for heating is arranged on the outer wall of the smooth channel and located at the rear of the stepped structure. According to the invention, the air flow after the air pressure port is pressurized is guided through the drainage sheet, the power generated after the air is accel