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CN-119607357-B - Humidifier for breathing machine and breathing machine

CN119607357BCN 119607357 BCN119607357 BCN 119607357BCN-119607357-B

Abstract

The invention discloses a humidifier for a breathing machine and the breathing machine, wherein the humidifier comprises a containing cavity, an air inlet channel for inputting air into the containing cavity and an air outlet channel for outputting air from the containing cavity. The humidifier comprises a heating plate arranged on the bottom wall of the accommodating cavity and a heat collection cover arranged above the heating plate, the accommodating cavity comprises a heating area located in the heat collection cover and a water storage area located outside the heat collection cover, the water storage area is communicated with the heating area and surrounds the periphery of the heating area, a first air outlet of the air inlet channel is communicated with the heating area, a second air inlet of the air outlet channel is communicated with the heating area, and the heat collection cover is arranged to be favorable for improving heating efficiency.

Inventors

  • LUO HUASHUAI
  • FANG PENGCHENG

Assignees

  • 飞依诺科技股份有限公司

Dates

Publication Date
20260508
Application Date
20241210

Claims (9)

  1. 1. The humidifier for the breathing machine is characterized by comprising a containing cavity, an air inlet channel for inputting air into the containing cavity and an air outlet channel for outputting air from the containing cavity, wherein the humidifier comprises a heating plate arranged on the bottom wall of the containing cavity and a heat collecting cover arranged above the heating plate, the containing cavity comprises a heating area positioned in the heat collecting cover and a water storage area positioned outside the heat collecting cover, the water storage area is communicated with the heating area and surrounds the periphery of the heating area, a first air outlet of the air inlet channel is communicated with the heating area, and a second air inlet of the air outlet channel is communicated with the heating area; The heat collection cover comprises a first end and a second end which are oppositely arranged along the vertical direction, the first end is communicated with a first air outlet and a second air inlet, the second end is connected with the bottom wall of the accommodating cavity, and the second end is arranged on the periphery of the heating plate in a surrounding manner; The humidifier comprises a connecting channel which is communicated with an air inlet channel and an air outlet channel, wherein the connecting channel is positioned between the air inlet channel and the air outlet channel, a first end of the heat collection cover is connected to the connecting channel, a communicating hole which penetrates through the bottom wall of the connecting channel along the vertical direction is formed in the bottom wall of the connecting channel, and the air inlet channel, the connecting channel and the air outlet channel are integrally arranged in a U shape.
  2. 2. The humidifier for a ventilator of claim 1, wherein the heater plate is disposed in a central region of the bottom wall.
  3. 3. The humidifier for a ventilator of claim 1, wherein the bottom wall has a first length in a first direction and a first width in a second direction, the heater plate has a second length in the first direction and a second width in the second direction, the first and second directions being horizontal and perpendicular to each other, the second length being at least three-quarters of the first length and the second width being at least three-quarters of the first width.
  4. 4. The humidifier for a ventilator according to claim 1, wherein the plurality of communication holes are uniformly and alternately arranged at a bottom wall of the connection passage.
  5. 5. The humidifier for a ventilator according to claim 1, wherein the air outlet channel comprises a pressure balancing hole provided in a wall of the air outlet channel, the pressure balancing hole communicating the air outlet channel and the water storage area.
  6. 6. The humidifier for a ventilator of claim 1, comprising a first housing and a second housing enclosing the receiving cavity, a first seal ring disposed between the first housing and the second housing.
  7. 7. The humidifier for a ventilator of claim 6, wherein the bottom wall of the second housing is provided with the heating plate, and the second end of the heat collection housing is connected to the bottom wall by a second seal ring.
  8. 8. The humidifier for a ventilator according to claim 7, wherein the second end of the heat collecting housing and/or the second sealing ring is provided with a communication port, which communicates the heating zone and the water storage zone.
  9. 9. A ventilator comprising a main unit and a humidifier for a ventilator according to any of claims 1-8, the main unit comprising an airflow driving device in communication with the inlet passage.

Description

Humidifier for breathing machine and breathing machine Technical Field The invention relates to the field of medical appliances, in particular to a humidifier for a breathing machine and the breathing machine. Background The home ventilator is generally used for relieving and improving snoring, hypopnea, sleep apnea and other symptoms of a patient during sleep, and can be used in a home environment and also used in medical institutions. The household breathing machine comprises a host machine component, a humidifier component and the like, wherein the humidifier component is arranged in a breathing machine air path, water can be stored in the humidifier component, water vapor is generated by heating water in the humidifier, and the heating and humidification of flowing gas are realized, so that discomfort caused by excessively drying the gas entering the respiratory tract of a patient is avoided, and the use comfort of the patient is improved. In the prior art, the humidifier is used as a water storage cavity, the inside of the humidifier is not provided with a separation structure of heating water and stored water, all the water storage is uniformly heated, the preheating speed is low, the heating efficiency is low, and more heat is dissipated through the wall of the humidifier facing the outside. Disclosure of Invention The invention aims to provide a humidifier for a breathing machine, which aims to solve the technical problem of low heating efficiency of the humidifier in the prior art. In order to achieve one of the above objects, an embodiment of the present invention provides a humidifier for a breathing machine, including a receiving cavity, an air inlet channel for inputting air into the receiving cavity, and an air outlet channel for outputting air from the receiving cavity, where the humidifier includes a heating plate disposed on a bottom wall of the receiving cavity, and a heat collecting cover disposed above the heating plate, the receiving cavity includes a heating area located in the heat collecting cover, and a water storage area located outside the heat collecting cover, the water storage area is communicated with the heating area and surrounds an outer periphery of the heating area, a first air outlet of the air inlet channel is communicated with the heating area, and a second air inlet of the air outlet channel is communicated with the heating area. As a further improvement of an embodiment of the invention, the heating plate is arranged in the middle area of the bottom wall. As a further improvement of an embodiment of the invention, the bottom wall has a first length in a first direction and a first width in a second direction, the heating plate has a second length in the first direction and a second width in the second direction, the first and second directions being horizontal and perpendicular to each other, the second length being at least three-quarters of the first length, and the second width being at least three-quarters of the first width. As a further improvement of an embodiment of the present invention, the heat collecting cover includes a first end and a second end which are disposed opposite to each other in a vertical direction, the first end is communicated with the first air outlet and the second air inlet, the second end is connected to the bottom wall of the accommodating cavity, and the second end is disposed around the periphery of the heating plate. As a further refinement of an embodiment of the invention, the second end tapers towards the first end. As a further improvement of an embodiment of the invention, the humidifier comprises a connecting channel which is communicated with the air inlet channel and the air outlet channel, the connecting channel is positioned between the air inlet channel and the air outlet channel, the first end of the heat collecting cover is connected to the connecting channel, and a communication hole penetrating along the vertical direction is arranged on the bottom wall of the connecting channel. As a further improvement of an embodiment of the present invention, the plurality of communication holes are uniformly and alternately arranged at the bottom wall of the connecting channel. As a further improvement of an embodiment of the present invention, the air outlet channel includes a pressure balance hole arranged on the pipe wall, and the pressure balance hole communicates with the air outlet channel and the water storage area. As a further improvement of an embodiment of the present invention, the humidifier includes a first housing and a second housing enclosing the accommodating chamber, and a first seal ring disposed between the first housing and the second housing. As a further improvement of an embodiment of the present invention, the bottom wall of the second housing is provided with the heating plate, and the second end of the heat collecting cover is connected to the bottom wall by a second sealing ring. As a further improve