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CN-122014906-A - Pneumatic controller and pneumatic system integrating active heat dissipation function

CN122014906ACN 122014906 ACN122014906 ACN 122014906ACN-122014906-A

Abstract

The application provides a pneumatic controller and a pneumatic system integrated with an active heat dissipation function, wherein the pneumatic controller comprises a shell, a valve body component is arranged in the shell and is used for connecting an external air source and at least one air bag to inflate and/or deflate the air bag, a first through hole and a second through hole which are communicated with the internal environment and the external environment are formed in the shell, an inlet end of the first through hole is used for communicating with the external air source, an air hole is formed in the shell and is positioned at the periphery of an outlet end of the first through hole, so that when air flow provided by the external air source passes through the first through hole, the air flow at the position of the air hole is driven to circulate to the interior of the shell, and a flow guiding structure is arranged in the shell and is used for converging and accelerating the air flow entering through the air hole into forced heat dissipation air flow which directionally sweeps the surface of the valve body component. The pneumatic controller provides air flow through the air source, active heat dissipation is realized by virtue of the injection effect and the coanda effect, the stability of the controller is improved, and the service life of the controller is prolonged.

Inventors

  • ZHANG XIAO
  • ZHANG HAITAO

Assignees

  • 安闻科技集团股份有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (12)

  1. 1. A pneumatic controller integrating an active heat dissipation function, comprising: The device comprises a shell, wherein a valve body component (1) is arranged in the shell, the valve body component (1) is used for connecting an external air source and at least one air bag so as to charge and/or discharge the air bag, a first through hole (2) and a second through hole (3) which are communicated with the internal environment and the external environment are formed in the shell, an inlet end of the first through hole (2) is used for communicating the external air source, an air hole (4) is formed in the shell, and the air hole (4) is positioned at the periphery of an outlet end of the first through hole (2) so that when air flow provided by the external air source passes through the first through hole (2), the air flow at the position of the air hole (4) is driven to flow into the shell; The flow guiding structure is arranged in the shell and is used for converging and accelerating the air flow entering through the air hole (4) into forced heat dissipation air flow which directionally sweeps the surface of the valve body assembly (1).
  2. 2. The pneumatic controller according to claim 1, wherein the flow guiding structure is mounted on the inner wall of the housing, and a flow guiding surface is arranged on one side of the flow guiding structure, which is close to the air hole (4), for guiding the air flow passing through the air hole (4) to the surface of the valve body assembly (1).
  3. 3. The pneumatic controller according to claim 1, wherein the flow guiding structure is a detachable fairing (5), the fairing (5) is in a ring structure and is sleeved outside the air hole (4) and the outlet end of the first through hole (2), and a flow guiding surface is formed on the inner wall of the fairing (5) and used for guiding the air flow passing through the air hole (4) to the surface of the valve body assembly (1).
  4. 4. A pneumatic controller according to claim 3, wherein the inner diameter of the fairing (5) is gradually changed, and the radial dimensions of the two ends are larger than the radial dimensions of the middle part, so that the inner wall of the fairing (5) forms a diversion curved surface (6), and the diversion curved surface (6) is the diversion surface in the form of a curved surface.
  5. 5. A pneumatic controller according to claim 1, wherein the second port (3) is open at an end of the housing remote from the first port (2) to allow an air flow path inside the housing to pass through the valve body assembly (1).
  6. 6. The pneumatic controller integrated with the active heat dissipation function according to claim 1, wherein a plurality of second ports (3) are formed, and a plurality of the second ports (3) are independent from each other.
  7. 7. The pneumatic controller integrated with the active heat dissipation function according to claim 4, wherein an extension section (7) extending towards the inside of the shell is formed at the outlet end of the first through hole (3), and a diversion passage (8) is formed between the outer wall of the extension section (7) and the inner wall of the fairing (5).
  8. 8. The pneumatic controller integrated with the active heat dissipation function according to claim 1, wherein a plurality of air holes (4) are provided, and a plurality of the air holes (4) are distributed along the circumferential direction of the first through hole (2).
  9. 9. A pneumatic controller according to claim 8, wherein the furthest distance of the plurality of air holes (4) from each other is greater than the mid-section inner diameter of the fairing (5).
  10. 10. A pneumatic controller according to claim 1, wherein the air hole (4) has a gradual change in inner diameter, and a radial dimension near one end of the housing interior is smaller than a radial dimension at the other end.
  11. 11. A pneumatic controller according to claim 1, wherein the housing comprises a detachably connected upper (9) and lower (10) shell.
  12. 12. A pneumatic system comprising an air supply, at least one air bag and a pneumatic controller as claimed in any one of claims 1 to 11.

Description

Pneumatic controller and pneumatic system integrating active heat dissipation function Technical Field The present disclosure relates generally to the technical field of pneumatic controllers, and in particular, to a pneumatic controller and a pneumatic system integrated with an active heat dissipation function. Background Along with the development of the automobile industry to the intelligent and comfortable directions, the middle-high end automobile type is generally integrated with systems such as massage, waist support adjustment, side wing adjustment, leg support adjustment and the like in the seat, and inflation and deflation control is carried out on a plurality of air bags through a pneumatic controller so as to realize diversified control modes. In order to meet the requirement of compact arrangement, the controller is usually installed in a space with limited ventilation conditions such as under a seat or in a cushion in a sealing or semi-sealing way, and the valve body in the air continuously heats when in operation, and the heat is mainly radiated and dissipated by virtue of passive radiation of the shell, so that the heat is difficult to be rapidly conducted out. In the prior art, because the valve body component runs under the high-temperature working condition for a long time, the demagnetization of the magnetic material of the electromagnetic valve, the increase of the coil resistance, the slow action response and even the burnout are easily caused, and meanwhile, the accelerated aging of the electronic components and the plastic structural part obviously shortens the service life of the controller. Therefore, how to realize efficient active heat dissipation to the valve body assembly in the sealed housing is a core technical problem to be solved currently. Disclosure of Invention In view of the foregoing drawbacks and deficiencies of the prior art, it is desirable to provide a pneumatic controller and a pneumatic system that integrate active heat dissipation to address the foregoing problems. The first aspect of the present application provides a pneumatic controller integrated with an active heat dissipation function, comprising: The device comprises a shell, a valve body component, a first air hole, a second air hole, a first air hole and a second air hole, wherein the valve body component is arranged in the shell and is used for connecting an external air source and at least one air bag so as to inflate and/or deflate the air bag; the flow guiding structure is arranged in the shell and is used for converging and accelerating the air flow entering through the air holes into forced heat dissipation air flow which directionally sweeps the surface of the valve body assembly. According to the technical scheme provided by the embodiment of the application, the flow guiding structure is arranged on the inner wall of the shell, and one side of the flow guiding structure, which is close to the air hole, is provided with a flow guiding surface for guiding the air flow passing through the air hole to the surface of the valve body assembly. According to the technical scheme provided by the embodiment of the application, the flow guiding structure is a detachable fairing, the fairing is of an annular structure and is sleeved at the outlet end of the first through hole and the outer side of the air hole, and a flow guiding surface is formed on the inner wall of the fairing and used for guiding air flow passing through the air hole to the surface of the valve body assembly. According to the technical scheme provided by the embodiment of the application, the inner diameter of the fairing is gradually changed, the radial dimensions of the two ends are larger than those of the middle part, so that the inner wall of the fairing forms a diversion curved surface, and the diversion curved surface is the diversion surface in a curved surface form. According to the technical scheme provided by the embodiment of the application, the second opening is arranged at the end part of the shell, which is far away from the first opening, so that the air flow path inside the shell passes through the valve body assembly. According to the technical scheme provided by the embodiment of the application, a plurality of second ports are formed, and the second ports are mutually independent. According to the technical scheme provided by the embodiment of the application, the pneumatic controller integrating the active heat dissipation function is characterized in that an extension section extending towards the inside of the shell is formed at the outlet end of the first through hole, and a diversion passage is formed between the outer wall of the extension section and the inner wall of the fairing. According to the technical scheme provided by the embodiment of the application, a plurality of air holes are formed, and the air holes are distributed along the circumferential direction of the first through hole. According to the