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CN-224210867-U - Air-conditioning blowing face air duct assembly structure of vehicle

CN224210867UCN 224210867 UCN224210867 UCN 224210867UCN-224210867-U

Abstract

The utility model relates to the technical field of vehicle air conditioner design, in particular to a vehicle air conditioner blowing face air duct assembly structure which comprises an air inlet duct, a main duct, side ducts, a guide plate and an air outlet section, wherein one end of the air inlet duct is provided with the main duct, the two sides of the air inlet duct are provided with the side ducts, the main duct and the side ducts are both provided with the air outlet section, the whole air outlet section takes a convergent section as an air flow inlet, and then sequentially passes through a connecting throat pipe and a divergent section to be discharged from the air outlet duct, the air flow smoothly flowing out of the main duct and the side ducts can be accelerated under the action of the convergent angle of the convergent section, meanwhile, static pressure is reduced, kinetic energy is recovered into static pressure under the action of the divergent angle of the divergent section after the air flow passes through the connecting throat pipe to enable the air flow to smoothly flow out, the energy consumption of the air conditioner is reduced, the air flow is prevented from generating vortex in the pipeline through a longitudinal micro-groove regulation boundary layer formed in the process of the divergent section, and noise is reduced when the whole air duct is used.

Inventors

  • Tang Tiannan

Assignees

  • 浙江奥力克科技有限公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (6)

  1. 1. The vehicle air conditioner blows face wind channel assembly structure, including air inlet duct (1), trunk line (2), side pipeline (3), guide plate (4) and air-out section (5), wherein, the one end of air inlet duct (1) is provided with trunk line (2), be provided with guide plate (4) in trunk line (2), the both sides of air inlet duct (1) are provided with side pipeline (3), all be provided with air-out section (5) on trunk line (2) and side pipeline (3).
  2. 2. The vehicle air conditioner blowing face wind channel assembly structure of claim 1, wherein the air outlet section (5) is composed of a gradually-reduced section (51), a connecting throat pipe (52), a gradually-expanded section (53), a longitudinal micro groove (54), an air outlet pipe (55) and a butt joint frame (56), and one end of the gradually-reduced section (51) is respectively fixed on the main pipeline (2) and the side pipeline (3).
  3. 3. The structure of claim 2, wherein the other end of the tapered section (51) is fixed to one end of a connecting throat (52), and the other end of the connecting throat (52) is fixed to the diverging section (53).
  4. 4. The structure of claim 3, wherein an air outlet pipe (55) is arranged at one end of the diverging section (53) far away from the connecting throat pipe (52), and a butt joint frame (56) is arranged on the air outlet pipe (55).
  5. 5. The structure of the air-conditioning blowing face duct assembly for a vehicle as set forth in claim 4, wherein the divergent section (53) has a divergence angle of 7 °, and longitudinal micro grooves (54) are uniformly formed in the inner wall of the divergent section (53).
  6. 6. The structure of the air-conditioning blowing face air duct assembly for the vehicle according to claim 2, wherein the convergence angle of the tapered section (51) is 15 degrees, and the inlet of the tapered section (51) is uniformly provided with an oblique air deflector.

Description

Air-conditioning blowing face air duct assembly structure of vehicle Technical Field The utility model relates to the technical field of vehicle air conditioner design, in particular to a vehicle air conditioner blowing face air duct assembly structure. Background The vehicle air conditioning system is a core component of automobile comfort, and multiple targets such as refrigeration/heating efficiency, energy consumption control, space layout, human-computer interaction and the like are considered, wherein the vehicle air conditioning blowing face air duct assembly is a core component for controlling airflow to face/chest of an occupant in the air conditioning system, and the structural design directly influences air supply efficiency, comfort and NVH performance; CN218661241U proposes a vehicle air conditioner air blowing surface air duct assembly, which comprises a first air supply assembly, wherein a wind dividing fin is arranged in the first air supply assembly, the wind dividing fin divides the interior of the first air supply assembly into two mutually independent air supply channels, an air flow outlet of at least one of the two air supply channels is provided with a wind guiding structure, a first side of the wind guiding structure is connected with an outer side wall of the air flow outlet in the width direction, a second side of the wind guiding structure extends towards a plane where the wind dividing fin is located, the wind guiding structure comprises a first wind guiding surface and a second wind guiding surface which are adjacently arranged, a preset included angle is arranged between the first wind guiding surface and the second wind guiding surface, the extending lengths of the first wind guiding surface and the second wind guiding surface along the width direction of the air flow outlet are different, and the slopes of the first wind guiding surface and the second wind guiding surface are different; According to the utility model, the air guide structure is arranged at the air flow outlet of the air supply channel, and the air guide structure is arranged as the first air guide surface and the second air guide surface with different structures, so that the air outlet at each position of the air flow outlet is more uniform, but the air outlet structure of the whole assembly structure is relatively single, the kinetic energy can be gradually lost in the process that the air flow flows out through the pipeline, the energy consumption of the fan is high, the direction is adjusted only through the air dividing fin separation channel and the simple air guide surface, the local air speed of the air outlet is possibly too high or dead angle, and turbulent noise is easily generated when the air flow directly impacts the edge of the air guide structure. Disclosure of utility model In order to solve the technical problems, the embodiment of the application provides a blowing face air duct assembly structure of a vehicle air conditioner, which comprises an air inlet duct, a main duct, side ducts, a guide plate and an air outlet section, wherein one end of the air inlet duct is provided with the main duct, the guide plate is arranged in the main duct, the side ducts are arranged on two sides of the air inlet duct, and the air outlet section is arranged on the main duct and the side ducts. In some embodiments, the air outlet section is composed of a convergent section, a connecting throat pipe, a divergent section, a longitudinal micro groove, an air outlet pipe and a butt joint frame, wherein one end of the convergent section is respectively fixed on the main pipeline and the side pipeline. In some embodiments, the other end of the tapered section is secured to one end of a connecting throat, and the other end of the connecting throat is secured to the diverging section. In some embodiments, an air outlet pipe is arranged at one end of the diverging section away from the connecting throat pipe, and a butt joint frame is arranged on the air outlet pipe. In some embodiments, the diffusion angle of the diverging section is 7 °, and longitudinal micro grooves are uniformly formed on the inner wall of the diverging section. In some embodiments, the convergence angle of the tapered section is 15 °, and the inlet of the tapered section is uniformly provided with an oblique air deflector. The utility model has at least the following beneficial effects: The wind flow entering the air inlet duct is respectively guided to the main pipeline and the side pipeline through the built-in split fins, then enters the air outlet section from one end of the main pipeline and the side pipeline, the whole air outlet section takes the tapered section as an air flow inlet, then sequentially passes through the connecting throat pipe and the tapered section and is discharged from the air outlet pipe, the wind flow steadily flowing out of the main pipeline and the side pipeline is accelerated under the effect of the convergence a