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CN-122014671-A - Entropy decompression blower

CN122014671ACN 122014671 ACN122014671 ACN 122014671ACN-122014671-A

Abstract

The invention relates to the technical field of garden tools, and particularly discloses an entropy decompression blower which comprises a machine shell, a blowing pipe connected with the machine shell, a motor accommodated in the machine shell and fan blades driven by the motor. The invention can prevent the air blowing system from entering an unstable state, ensure the normal running of air blowing, increase the wind speed and the thrust of the air outlet and reduce noise.

Inventors

  • KONG GUOQI
  • Xing Minhui
  • QIAO WEIWEI

Assignees

  • 浙江亚特电器股份有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (10)

  1. 1. The utility model provides an entropy subtracts pressure release hair-dryer, includes the casing, the blowpipe that links to each other with the casing, holds in the casing motor and by motor drive's fan blade, its characterized in that, the air-out end of blowpipe is provided with pressure release structure, pressure release structure is used for reducing the static pressure in the terminal region of blowpipe, pressure release structure includes the pressure release hole that distributes along blowpipe circumference or axial, and quantity is at least one.
  2. 2. The blower for reducing pressure by entropy according to claim 1, wherein the pressure relief structure further comprises a blowing nozzle coaxially connected with the air outlet end of the blowing pipe, and the pressure relief hole is formed in the whole body of the wall of the blowing nozzle.
  3. 3. An entropy reducing and pressure relieving blower according to claim 2, wherein the pressure relieving holes extend in the axial direction or the circumferential direction of the mouthpiece.
  4. 4. The blower for reducing entropy and relieving pressure according to claim 2, wherein the blowing nozzle is detachably sleeved on the blowing pipe, and the blowing nozzle gradually gathers from one end close to the blowing pipe to one end far away from the blowing pipe.
  5. 5. The blower for reducing pressure and entropy according to claim 2, wherein an air multiplication shell is sleeved on the outer side of the blow tube or the blow nozzle, an air supplementing channel is formed between the air multiplication shell and the blow tube or the blow nozzle, and the air multiplication shell is used for guiding air flow blown out of the pressure relief hole to be converged into main air flow blown out of the blow tube or the blow nozzle, and sucking external air to be converged into the main air flow.
  6. 6. The entropy and decompression blower according to claim 1, further comprising a current collector accommodated in the casing, wherein the motor and the fan blade are accommodated in a duct of the current collector.
  7. 7. The blower for reducing entropy and relieving pressure as set forth in claim 6, wherein the current collector is provided with a wire-penetrating slot for a motor power wire to penetrate.
  8. 8. The blower for reducing entropy and relieving pressure according to claim 5, wherein the air supply channel is gradually enlarged after gradually shrinking from the air suction side to the air discharge side.
  9. 9. The blower with reduced pressure and entropy as set forth in claim 1, wherein the blades of the fan blade are arc-shaped, the thickness of the blades increases gradually from two ends to the middle, and the fan blade and the motor are both located on the axis of the blowing pipe.
  10. 10. The pressure reducing and relieving air blower according to claim 1, wherein the air inlet end of the blowing pipe is communicated with the machine shell, and the inner diameter of the air inlet end of the blowing pipe is larger than the inner diameter of the air outlet end of the blowing pipe.

Description

Entropy decompression blower Technical Field The invention relates to the technical field of gardening tools, in particular to an entropy decompression blower. Background The garden blower is used as one of the core electric tools for modern garden maintenance, and mainly drives a fan impeller to rotate at a high speed through a motor to generate strong high-speed air flow, and impurities such as fallen leaves, weeds, chips, snow and the like are purged and collected by utilizing the kinetic energy of the air flow. However, the traditional blower has difficulty in treating wet and heavy fallen leaves, and has smaller operation area, in order to cope with the situation, the diameter of the blowing air outlet end can be reduced to improve the air outlet speed, the speed improvement is particularly effective in treating wet and heavy leaves, and the high-speed air flow has longer effective range, so that a user can finish cleaning tasks in a larger range, the moving frequency is reduced, the working efficiency is improved, and the blower is particularly suitable for courtyards, parks and public greens with wide areas. However, the diameter of the air outlet is reduced, so that the air flow cannot be smoothly blown out through the blowpipe due to unstable pressure in the blowpipe, and normal use is affected. Disclosure of Invention The invention aims to provide an entropy decompression blower for solving the problems in the background art. The invention aims to solve the technical problems, and the technical scheme is that the entropy decompression blower comprises a shell, a blowing pipe connected with the shell, a motor accommodated in the shell and fan blades driven by the motor, and is characterized in that the air outlet end of the blowing pipe is provided with a decompression structure which is used for reducing static pressure in the tail end area of the blowing pipe, and the decompression structure comprises decompression holes distributed along the circumferential direction or the axial direction of the blowing pipe, and the number of the decompression holes is at least one. Further, the pressure relief structure further comprises a blowing nozzle, the blowing nozzle is coaxially connected with the air outlet end of the blowing pipe, and the pressure relief hole is formed in the whole body of the pipe wall of the blowing nozzle. Further, the pressure relief hole extends in the axial direction or the circumferential direction of the mouthpiece. Further, the blowing nozzle is detachably sleeved on the blowing pipe, and the blowing nozzle gradually gathers together from one end close to the blowing pipe to one end deviating from the blowing pipe. Further, the outside of the blowpipe or the blownozzle is sleeved with an air multiplication shell, an air supplementing channel is formed between the air multiplication shell and the blowpipe or the blownozzle, and the air multiplication shell is used for guiding the air flow blown out from the pressure relief hole to be converged into the main air flow blown out from the blowpipe or the blownozzle, and sucking external air to be converged into the main air flow. Further, the motor and the fan blade are accommodated in a duct of the current collector. Further, a wire penetrating groove for a motor power wire to penetrate is formed in the current collector. Further, the air supplementing channel gradually reduces from the side of sucking air to the side of exhausting air and then gradually expands. Further, the blades of the fan blades are arc-shaped, the thickness of the blades gradually thickens from two ends to the middle, and the fan blades and the motor are both positioned on the axis of the blowing pipe. Further, the air inlet end of the blowpipe is communicated with the shell, and the inner diameter of the air inlet end of the blowpipe is larger than the inner diameter of the air outlet end of the blowpipe. The invention has the following beneficial effects: the invention increases the air outlet area through the pressure relief structure, reduces the static pressure at the air outlet position, reduces the back pressure on the upstream air flow, is beneficial to the smooth outflow of the air, prevents the air blowing system from entering a unsteady state, ensures the normal running of air blowing, increases the wind speed and the thrust of the air outlet, and reduces the noise. According to the invention, the air multiplication shell can guide the pressure-released air flow to be converged into the main air flow, and the air multiplication principle is adopted to suck external air, so that the air quantity is increased. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that o