WO2023082432A1 - 一种呼吸机风机风道以及呼吸机 - Google Patents

一种呼吸机风机风道以及呼吸机 Download PDF

Info

Publication number
WO2023082432A1
WO2023082432A1 PCT/CN2021/140158 CN2021140158W WO2023082432A1 WO 2023082432 A1 WO2023082432 A1 WO 2023082432A1 CN 2021140158 W CN2021140158 W CN 2021140158W WO 2023082432 A1 WO2023082432 A1 WO 2023082432A1
Authority
WO
WIPO (PCT)
Prior art keywords
fan
air
area
ventilator
air inlet
Prior art date
Application number
PCT/CN2021/140158
Other languages
English (en)
French (fr)
Inventor
李鑫
吴群
张佳
朱晶
滕国华
杜文芝
郭建明
丁甜甜
乐志超
赵帅
Original Assignee
江苏鱼跃医疗设备股份有限公司
江苏鱼跃信息系统有限公司
苏州鱼跃医疗科技有限公司
南京鱼跃软件技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏鱼跃医疗设备股份有限公司, 江苏鱼跃信息系统有限公司, 苏州鱼跃医疗科技有限公司, 南京鱼跃软件技术有限公司 filed Critical 江苏鱼跃医疗设备股份有限公司
Publication of WO2023082432A1 publication Critical patent/WO2023082432A1/zh

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits

Definitions

  • the utility model relates to the field of medical equipment, in particular to a non-invasive ventilator for treating sleep apnea, a low-noise ventilator fan air duct and a ventilator containing the noise-reducing air duct.
  • the ventilator As an effective means of artificially replacing the spontaneous ventilation function, the ventilator has been widely used in respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support treatment and emergency resuscitation. Occupying a very important position in the field of modern medicine, it is a vital medical device that can prevent and treat respiratory failure, reduce complications, save and prolong the lives of patients.
  • Its working principle is to detect the signal of the patient's airway obstruction through the controller, properly pressurize the air in the airway of the ventilator, and then forcefully open the patient's airway occlusion, provide continuous ventilation for the patient, and keep the patient's body to obtain enough oxygen. .
  • Ventilators use turbo blowers to create compressed air to deliver breathable air to the user.
  • the high-speed rotation of the blades of the turbo fan will generate large vibration noise and aerodynamic noise, which will seriously affect the sleep quality of sleepers when they are transmitted outward through the fan.
  • the utility model provides a ventilator fan air duct and a ventilator. By dividing the sealed chamber into different areas, the airflow needs to pass through a longer path before entering the fan assembly, and the airflow is combed through the long path, thereby reducing the airflow. Noise, realize the noise reduction of the ventilator, and improve the user experience.
  • the air duct of a ventilator fan provided by the application includes: a sealed chamber, the sealed chamber includes an air inlet and an air outlet, the air inlet is arranged on the lower cover of the air duct, and the air outlet is arranged on the air duct Between the cover and the lower cover of the air duct; there is a fan fixing bracket in the chamber, and the fan fixing bracket divides the sealed chamber into three areas, the three areas are respectively the fan component accommodation area, the fan inlet area and the diversion area, One end of the area is connected to the air inlet, the other end is connected to the fan air inlet area, one end of the fan component accommodation area is connected to the fan air inlet area, and the other end is connected to the air outlet.
  • the fan fixing bracket includes a circumferential baffle arranged around the fan component accommodation area, the bottom of the circumferential baffle is provided with a vertical circumferential baffle and a horizontal baffle set away from the fan component accommodating area, the horizontal baffle and the air duct lower cover The side walls are abutted against; the horizontal partition is provided with a communication hole, and the communication hole communicates with the diversion area and the air intake area of the fan.
  • the number of communicating holes is 3-12, and the total area of the communicating holes is 100-500mm 2 .
  • the circumferential partition is provided with a partition groove, and there are a plurality of partition grooves arranged at intervals around the circumferential partition.
  • the air inlet area of the fan is also provided with a turnback section, and the circumferential partition is arranged in the middle of the turnback section to form a turnback path.
  • the air inlet includes an air inlet duct and an air inlet hole
  • the air inlet duct includes a step, a grid channel and a first positioning rib
  • the air inlet duct is connected to the air intake hole through the step, and the air intake duct is fixed by the first positioning rib Cover under the air duct;
  • the grid channel is provided with a plurality of grid holes, the number of which is 2-10, and the total area of the grid holes is 100-500mm 2 . .
  • the air inlet includes an air inlet and an air outlet, wherein the air inlet is a round hole, and the air outlet is a square hole; the air inlet and the air outlet are evenly transitioned, and the air inlet is also provided with a second positioning rib. Two positioning ribs fix the air intake hole on the lower cover of the air duct.
  • the fan fixing bracket is provided with a guide cone, and the guide cone is located at the bottom area of the fan assembly accommodation area.
  • the present application provides a ventilator, including the ventilator fan air duct described above, and a fan assembly disposed in the ventilator fan air duct, the fan assembly is fixedly connected to the fan fixing bracket through the fan bracket.
  • the utility model discloses a ventilator fan air duct and a ventilator.
  • the ventilator fan air duct includes: a sealed chamber, the sealed chamber includes an air inlet and an air outlet, and a fan fixing bracket is arranged in the chamber, and the fan fixing bracket Divide the sealed chamber into three areas, the three areas are the fan assembly accommodation area, the fan intake area and the diversion area, the diversion area is connected with the air inlet and the fan intake area respectively, and the fan assembly accommodation area is respectively connected with The air outlet communicates with the air inlet area of the fan.
  • the airflow needs to pass through a longer path before entering the fan assembly, and the airflow is combed through the long path, thereby reducing the noise of the airflow, realizing the noise reduction of the ventilator, and improving the user experience.
  • Fig. 1 is a schematic diagram of the overall structure of the utility model
  • Fig. 2 is a structural schematic diagram of the fan assembly and the fan fixing bracket of the utility model
  • Fig. 3 is a top view schematic diagram of the utility model sealed chamber
  • Fig. 4 is a structural schematic diagram of the utility model sealed chamber
  • Figure 5 is a schematic diagram of the assembly of the fixed bracket of the fan of the present invention and the lower cover of the air duct;
  • Fig. 6 is a schematic diagram of the utility model air inlet and the lower cover of the air duct;
  • Fig. 7 is a structural schematic diagram of the utility model air intake duct
  • Fig. 8 is a schematic diagram of the airflow direction in a side view of the utility model
  • Fig. 9 is a schematic diagram of the direction of air flow in a top view of the sealed chamber of the present invention.
  • each drawing only schematically shows the parts related to the utility model, and they do not represent its actual structure as a product.
  • only one of the components having the same structure or function is schematically shown, or only one of them is marked.
  • "a” not only means “only one”, but also means “more than one”.
  • Fig. 1-9 is a structural representation of the utility model, specifically:
  • the ventilator fan air duct includes a sealed chamber, the sealed chamber includes an upper air duct cover 100 and an air duct lower cover 10, the air inlet 112 is arranged on the air duct lower cover 10, and the air outlet 111 is arranged between the air duct upper cover 100 and the air duct lower cover 10, and a sealing ring 90 is also arranged between the air duct upper cover 100 and the air duct lower cover 10, and the sealing ring 90 includes a plane section for sealing the air duct upper cover 100 and the air duct lower cover 10 And the tubular section 902 that seals the air outlet 111, the tubular section 902 is a bellows structure, and the sealing ring 90 is made of elastic material.
  • the air outlet 111 also includes an air outlet pipe 110, which is connected to the tubular section 902 of the sealing ring 90 to ensure sealing.
  • the plane section 901 of the sealing ring 90 is I-shaped, and grooves are arranged on the upper and lower sides.
  • the corresponding air duct upper cover 100 and the air duct lower cover 10 are provided with ribs matching the grooves, and the grooves and the ribs cooperate to form a seal. structure.
  • the upper side of the flat section 901 of the sealing ring 90 is provided with grooves
  • the lower side is provided with ribs
  • the lower side of the upper cover of the air duct 100 is provided with protrusions that cooperate with the grooves on the upper side of the sealing ring.
  • the air duct lower cover 10 is provided with a groove that cooperates with the convex ribs on the lower side of the sealing ring
  • the air duct lower cover 10 is provided with a groove
  • the sealing ring 90 is set in the groove, which is convenient for assembly and has an asymmetrical design Can be more convenient in the assembly process.
  • the fan air duct of the ventilator also includes a fan fixing bracket 50 arranged in the sealed chamber.
  • the fan fixing bracket 50 includes a fan assembly accommodation area 1 and a circumferential partition 502 arranged around the fan assembly accommodation area 1.
  • the bottom of the circumferential partition 502 has The vertical circumferential partition 502 and the horizontal partition 503 set away from the fan assembly accommodation area 1, the horizontal partition 503 is provided with a communication hole 504, the horizontal partition 503 is in contact with the side wall of the air duct lower cover 10, so that the horizontal partition
  • the diversion area 3 is formed between the 503 and the bottom of the air duct lower cover 10, the horizontal partition 503 divides the air duct into the diversion area 3 and the fan inlet area 2, and the communication hole 504 communicates the diversion area 3 and the fan inlet area 2,
  • the total area of the communication holes 504 is 100-500 mm 2 , and there are vertical partitions between the communication holes 504 and the circumferential partitions. 502 is the same as the communication hole partition 505, and the communication hole partition 505 abuts against the side wall of the lower cover 10 of the air duct, so that the rear end of each communication hole 504 forms a mutually independent area, so as to prevent the airflow from combing through the communication hole 504 Then the turbulence formed again.
  • the communication holes 504 may extend to the positions of the communication hole partitions 505 to form a grid-like communication structure of the communication holes 504 and the communication hole partitions 505 .
  • the inner periphery of the lower cover 10 of the air duct is provided with a sealing groove for accommodating the sealing ring 40, and the sealing ring 40 is arranged in the sealing groove, and the sealing ring 40 is arranged at the abutment between the horizontal partition 503 and the lower cover 10 of the air duct, which can improve the sealing performance , At the same time, it can ensure that the airflow will not leak out and cause unnecessary noise.
  • Circumferential baffle 502 separates blower air intake area 2 to form a turn-back section 12, and the airflow passing through communication hole 504 bypasses peripheral baffle 502 on one side of peripheral baffle 502 and comes to the other side of peripheral baffle 502 ,
  • the extended path of the fan inlet zone 2 can effectively comb the airflow and reduce noise.
  • a guide cone 501 is provided on the fan fixing bracket 50, and the guide cone 501 is located at the bottom area of the fan assembly accommodation area 1.
  • the guide cone 501 can guide the airflow in the fan inlet area 2 to the fan assembly 80, thereby reducing turbulence and noise.
  • the circumferential partition 502 is also provided with partition slots, the number of partition slots is multiple, there are three in this embodiment, the fan assembly 80 is provided with a fan bracket 60, and the fan bracket 60 is provided with a hook 601 and an arm 602 , the hook 601 can fasten the fan bracket 60 to the fan assembly 80, the arm 602 can be connected to the cushioning silica gel 70, and the partition groove of the circumferential partition 502 can accommodate the buffer silica gel 70 of the fan assembly, so that the fan assembly 80 can be suspended. Therefore, the vibration noise of the fan assembly 80 during operation is reduced.
  • the air inlet 112 includes an air inlet conduit 20 and an air inlet hole 30.
  • the air inlet conduit 20 includes a step 202, a grid channel 203 and a first positioning rib 201.
  • the air inlet conduit 20 is plugged with the air inlet hole 30 through the step 202.
  • the air intake duct 20 is fixed on the air duct lower cover 10 through the first positioning rib 201, the grid channel 203 includes grid holes, the number of grid holes is 2-10, and the total area of the grid holes is 100-500mm 2 , There are 7 grid holes in this embodiment.
  • the air inlet 30 includes an air inlet 301 and an air outlet 302, the air inlet 301 is a round hole, the air outlet 302 is a square hole, the air inlet 301 and the air outlet 302 are evenly transitioned, and the air inlet 301 is also provided with a second positioning
  • the rib 303, the second positioning rib 303 can fix the air inlet 30 on the air duct lower cover 10, which is convenient for assembly.
  • the present application also provides a ventilator, which may include the ventilator fan duct in the foregoing embodiments, and a fan assembly disposed in the ventilator fan duct.
  • the fan assembly is fixedly connected to the fan fixing bracket through the fan bracket.

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

一种呼吸机风机风道以及呼吸机，其中该呼吸机风机风道包括：密封腔室，该密封腔室包括进气口（112）和出气口（111），该腔室中设置有风机固定支架（50），风机固定支架（50）将密封腔室分成三个区域，三个区域分别为风机组件容纳区（1），风机进风区（2）和导流区（3），导流区（3）分别与进气口（112）和风机进风区（2）相连通，风机组件容纳区（1）分别与出气口（111）和风机进风区（2）相连通。通过将密封腔室划分不同的区域，使得气流在进入风机组件（80）之前需要通过更长的路径，通过长路径来梳理气流，从而降低气流的噪音，实现呼吸机的降噪，提升用户使用体验。

Description

一种呼吸机风机风道以及呼吸机 技术领域
本实用新型涉及医疗器械领域，尤其是涉及一种治疗睡眠呼吸暂停的无创呼吸机、一种低噪音呼吸机风机风道以及一种含有该降噪风道的呼吸机。
背景技术
呼吸机作为一项能人工替代自主通气功能的有效手段，已普遍用于各种原因所致的呼吸衰竭、大手术期间的麻醉呼吸管理、呼吸支持治疗和急救复苏中。在现代医学领域内占有十分重要的位置，是一种能够起到预防和治疗呼吸衰竭，减少并发症，挽救及延长病人生命的至关重要的医疗设备。
其工作原理是通过控制器检测患者呼吸道阻塞的信号，对呼吸机气道中的空气进行适当的加压，进而强制打开患者的呼吸道闭塞，对患者提供持续通气，保持患者身体内能获得足够的氧。
呼吸机采用涡轮风机来制造压缩空气进而将可供呼吸的空气输送给使用者。在压缩空气的制造过程中，涡轮风机叶片的高速旋转会产生较大的震动噪声和空气动力噪声，这些噪声通过风机向外传播会严重影响睡眠者的睡眠质量。
实用新型内容
本实用新型提供了一种呼吸机风机风道以及呼吸机，通过将密封腔室划分不同的区域，使得气流在进入风机组件之前需要通过更长的路径，通过长路径来梳理气流，从而降低气流的噪音，实现呼吸机的降噪，提升用户使用体验。
第一方面，本申请提供的一种呼吸机风机风道，包括：密封腔室，密封腔室包括进气口和出气口，进气口设置在风道下盖上，出气口设置在风道上盖和风道下盖之间；腔室中设置有风机固定支架，风机固定支架将密封腔室分成三个区域，三个区域分别为风机组件容纳区，风机进风区和导流区，导流区一端连接进气口，另一端连接风机进风区，风机组件容纳区一端连接风机进风区，另一端连接出气口。
进一步的，风机固定支架包括设置在风机组件容纳区周围的圆周隔板，圆周隔板的底部设有垂直圆周隔板和背离风机组件容纳区设置的水平隔板，水平隔板与风道下盖的侧壁抵接；水平隔板上设置有连通孔，连通孔连通导流区和风机进风区。
进一步的，连通孔数量为3-12个，连通孔的总面积为100-500mm 2。
进一步的，连通孔之间有垂直于水平隔板与圆周隔板同向的连通孔隔板，连通孔隔板与风道下盖的侧壁抵接。
进一步的，圆周隔板设置有隔板槽，隔板槽有多个，间隔设置在圆周隔板周围。
进一步的，风机进风区还设有折回段，圆周隔板设置在折回段中间，以形成折回路径。
进一步的，进气口包括进气导管和进气孔，进气导管包括台阶、栅格通道和第一定位筋，进气导管通过台阶与进气孔连接，进气导管通过第一定位筋固定在风道下盖上；
栅格通道上设有多个栅格孔，栅格孔数量为2-10个，栅格孔总面积为100-500mm 2。。
进一步的，进气孔包括进气端和出气端，其中，进气端为圆孔，出气端为方孔；进气端和出气端均匀过渡，进气端还设置有第二定位筋，第二定位筋将进气孔固定在风道下盖上。
进一步的，风机固定支架上设置有导向锥，导向锥位于风机组件容纳区底部区域。
第二方面，本申请提供的一种呼吸机，包括上述呼吸机风机风道，以及设置于呼吸机风机风道中的风机组件，风机组件通过风机支架与风机固定支架固定连接。
本实用新型公开了一种呼吸机风机风道以及呼吸机，呼吸机风机风道包括：密封腔室，密封腔室包括进气口和出气口，腔室中设置有风机固定支架，风机固定支架将密封腔室分成三个区域，三个区域分别为风机组件容纳区，风机进风区和导流区，导流区分别与进气口和风机进风区相连通，风机组件容纳区分别与出气口和风机进风区相连通。通过将密封腔室划分不同的区域，使得气流在进入风机组件之前需要通过更长的路径，通过长路径来梳理气流，从而降低气流的噪音，实现呼吸机的降噪，提升用户使用体验。
附图说明
图1为本实用新型整体结构示意图；
图2为本实用新型风机组件和风机固定支架结构示意图；
图3为本实用新型密封腔室内俯视示意图；
图4为本实用新型密封腔室结构示意图；
图5为本实用新型风机固定支架与风道下盖组装示意图；
图6为本实用新型进气口与风道下盖示意图；
图7为本实用新型进气导管结构示意图；
图8为本实用新型侧视剖视气流方向示意图；
图9为本实用新型密封腔室俯视气流方向示意图。
附图标记：1-风机组件容纳区；2-风机进风区；12-折回段；3-导流区；10-风道下盖；100-风道上盖；20-进气导管；201-第一定位筋；202-台阶；203-栅格通道；30-进气孔；301-进气端；302-出气端；303-第二定位筋；40-密封圈；50-风机固定支架；501-导向锥；502-圆周隔板；503-水平隔板；504-连通孔；505-连通孔隔板；60-风机支架；601-卡勾；602-臂；70-缓冲硅胶；80-风机组件；90-密封圈；901-平面段；902-管状段；110-出气管；111-出气口；112-进气口。
具体实施方式
下面结合附图和具体实施例，进一步阐明本实用新型，应理解这些实施例仅用于说明本实用新型而不用于限制本实用新型的范围，在阅读了本实用新型之后，本领域技术人员对本实用新型的各种等价形式的修改均落于本申请所附权利要求所限定的范围。
为使图面简洁，各图中只示意性地表示出了与本实用新型相关的部分，它们并不代表其作为产品的实际结构。另外，以使图面简洁便于理解，在有些图中具有相同结构或功能的部件，仅示意性地绘示了其中的一个，或仅标出了其中的一个。在本文中，“一个”不仅表示“仅此一个”，也可以表示“多于一个”的情形。
提供与可共有一个或多个共同特点和/或特征的各种实例有关的以下描述。应该理 解的是任何一个实例的一个或更多个特征可以与另一个实例或其它实例的一个或多个特征组合。另外，在实例的任一项中，任何单个特征或特征的组合可以组成另外的实例。
图1-9为本实用新型结构示意图，具体的为：
在本申请的一种实施例中，呼吸机风机风道包括密封腔室，密封腔室包括风道上盖100、风道下盖10，进气口112设置在风道下盖10上，出气口111设置在风道上盖100和风道下盖10之间，风道上盖100和风道下盖10之间还设置有密封圈90，密封圈90包括密封风道上盖100和风道下盖10的平面段以及密封出气口111的管状段902，管状段902为波纹管结构，密封圈90为弹性材质。出气口111还包括出气管110，出气管110与密封圈90的管状段902连接，保证密封性。
密封圈90的平面段901为工字型，上下都设置有凹槽，对应的风道上盖100和风道下盖10上都设置有与凹槽相配合的筋，凹槽和筋相互配合形成密封结构。
在本申请的另一实施例中，密封圈90的平面段901上侧设置有凹槽，下侧设置有凸筋，风道上盖100下侧设置有与密封圈上侧凹槽相互配合的凸筋，风道下盖10设置有与密封圈下侧凸筋相互配合的凹槽，将风道下盖10设置有凹槽，将密封圈90设置在凹槽中，方便组装，同时不对称设计能够在组装过程中更加方便。
呼吸机风机风道还包括设置在密封腔室内的风机固定支架50，风机固定支架50包括风机组件容纳区1，设置在风机组件容纳区1周围的圆周隔板502，圆周隔板502的底部有垂直圆周隔板502并且背离风机组件容纳区1设置的水平隔板503，水平隔板503上设置有连通孔504，水平隔板503与风道下盖10的侧壁抵接，使得水平隔板503与风道下盖10底部之间形成导流区3，水平隔板503将风道分割导流区3和风机进风区2，连通孔504连通导流区3和风机进风区2，连通孔504有多个，通常为3-12个，本实施例中有9个，连通孔504的总面积为100-500mm 2，连通孔504之间有垂直于水平隔板503与圆周隔板502相同向的连通孔隔板505，连通孔隔板505与风道下盖10的侧壁抵接，使得每个连通孔504后端形成一个相互独立的区域，以避免气流通过连通孔504梳理之后再度形成乱流。
在本申请的一种实施例中，连通孔504可以延伸到连通孔隔板505位置，以形成连通孔504和连通孔隔板505栅格状的连通结构。
风道下盖10的内周设置有容纳密封圈40的密封槽，密封槽内设置有密封圈40，密封圈40设置在水平隔板503与风道下盖10抵接处，可以提升密封性能，同时可以保证气流不会漏出，产生不必要的噪音。
圆周隔板502将风机进风区2隔开，以形成一个折回段12，通过连通孔504的气流在圆周隔板502的一侧绕过圆周隔板502来到圆周隔板502的另一侧，延长的风机进风区2的路径，可以有效梳理气流，降低噪音。
在风机固定支架50上设置有导向锥501，导向锥501位于风机组件容纳区1底部区域，导向锥501可以将风机进风区2的气流导向风机组件80，从而降低乱流，降低噪音。
圆周隔板502上还设置有隔板槽，隔板槽的数量为多个，本实施例有3个，风机组件80外围设置有风机支架60，风机支架60上设置有卡勾601和臂602，卡勾601 可以把风机支架60扣合到风机组件80上，臂602可以连接缓冲硅胶70，圆周隔板502的隔板槽可以容纳风机组件的缓冲硅胶70，使得风机组件80可以悬垂设置，从而降低风机组件80在运行过程中的振动噪音。
进气口112包括进气导管20和进气孔30，进气导管20包括台阶202、栅格通道203以及第一定位筋201，进气导管20通过台阶202与进气孔30插接配合，进气导管20通过第一定位筋201固定在风道下盖10上，栅格通道203包括栅格孔，栅格孔数量为2-10个，栅格孔的总面积为100-500mm 2，本实施例中栅格孔有7个。
进气孔30包括进气端301和出气端302，进气端301为圆孔，出气端302和方孔，进气端301和出气端302均匀过渡，进气端301还设置有第二定位筋303，第二定位筋303可以将进气孔30固定在风道下盖10上，方便组装。
在实际使用过程中，外部空气经过进气口进入密封腔室内到达导流区3，在风机固定支架50和风道下盖10之间，通过风机固定支架50上的连通孔504，空气进入风机进风区2，通过折回段12，到达风机组件容纳区1的下方，通过导向锥501，进入风机组件容纳区1同时进入风机组件80，进行加压，并且通过出气口111离开呼吸机风机风道。
与前述呼吸机风机风道相对应，本申请还提供了一种呼吸机，呼吸机可以包括前述实施例中的呼吸机风机风道，以及设置于呼吸机风机风道中的风机组件。风机组件通过风机支架与风机固定支架固定连接。具体连接方式可以参见前述实施例及相应附图，在此就不再赘述。
以上所述仅为本实用新型的优选例实施方式，并不构成对本实用新型保护范围的限定。任何在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的权利要求保护范围之内。

Claims (10)

  1. 一种呼吸机风机风道，其特征在于，包括：
    密封腔室，所述密封腔室包括风道上盖、风道下盖、进气口和出气口，所述进气口设置在所述风道下盖上，所述出气口设置在所述风道上盖和风道下盖之间；
    所述腔室中设置有风机固定支架，所述风机固定支架将密封腔室分成三个区域，所述三个区域分别为风机组件容纳区，风机进风区和导流区，所述导流区一端连接所述进气口，另一端连接所述风机进风区，所述风机组件容纳区一端连接所述风机进风区，另一端连接所述出气口。
  2. 根据权利要求1所述的呼吸机风机风道，其特征在于，所述风机固定支架包括设置在所述风机组件容纳区周围的圆周隔板，所述圆周隔板的底部设有垂直圆周隔板和背离所述风机组件容纳区设置的水平隔板，所述水平隔板与所述风道下盖的侧壁抵接；所述水平隔板上设置有连通孔，所述连通孔连通所述导流区和所述风机进风区。
  3. 根据权利要求2所述的呼吸机风机风道，其特征在于，所述连通孔数量为3-12个，所述连通孔的总面积为100-500mm 2。
  4. 根据权利要求2所述的呼吸机风机风道，其特征在于，所述连通孔之间设有垂直于所述水平隔板与所述圆周隔板同向的连通孔隔板，所述连通孔隔板与风道下盖的侧壁抵接。
  5. 根据权利要求2所述的呼吸机风机风道，其特征在于，所述圆周隔板上设置有多个隔板槽，多个所述隔板槽间隔设置在所述圆周隔板上。
  6. 根据权利要求2所述的呼吸机风机风道，其特征在于，所述风机进风区还设有折回段，所述圆周隔板设置在所述折回段中间，以形成折回路径。
  7. 根据权利要求1所述的呼吸机风机风道，其特征在于，所述进气口包括进气导管和进气孔，所述进气导管包括台阶、栅格通道和第一定位筋，所述进气导管通过台阶与进气孔连接，所述进气导管通过所述第一定位筋固定在所述风道下盖上；
    所述栅格通道上设有多个栅格孔，所述栅格孔数量为2-10个，所述栅格孔总面积为100-500mm 2。
  8. 根据权利要求7所述的呼吸机风机风道，其特征在于，所述进气孔包括进气端和出气端，其中，所述进气端为圆孔，所述出气端为方孔；
    所述进气端和出气端均匀过渡，所述进气端还设置有第二定位筋，所述第二定位筋将所述进气孔固定在所述风道下盖上。
  9. 根据权利要求1所述的呼吸机风机风道，其特征在于，所述风机固定支架上设置有导向锥，所述导向锥位于所述风机组件容纳区底部区域。
  10. 一种呼吸机，其特征在于，包括权利要求1-9任一项所述呼吸机风机风道，以及设置于所述呼吸机风机风道中的风机组件，所述风机组件通过风机支架与风机固定支架固定连接。
PCT/CN2021/140158 2021-11-15 2021-12-21 一种呼吸机风机风道以及呼吸机 WO2023082432A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122779166.6U CN217187320U (zh) 2021-11-15 2021-11-15 一种呼吸机风机风道以及呼吸机
CN202122779166.6 2021-11-15

Publications (1)

Publication Number Publication Date
WO2023082432A1 true WO2023082432A1 (zh) 2023-05-19

Family

ID=82752354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/140158 WO2023082432A1 (zh) 2021-11-15 2021-12-21 一种呼吸机风机风道以及呼吸机

Country Status (2)

Country Link
CN (1) CN217187320U (zh)
WO (1) WO2023082432A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115591069A (zh) * 2022-10-31 2023-01-13 江苏鱼跃医疗设备股份有限公司（Cn） 一种呼吸机风道组件及便携式呼吸机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070247009A1 (en) * 2006-04-20 2007-10-25 Leslie Hoffman Motor blower unit
CN106730203A (zh) * 2016-12-28 2017-05-31 北京怡和嘉业医疗科技股份有限公司 用于呼吸机的减噪装置和呼吸机
CN108266408A (zh) * 2017-01-04 2018-07-10 深圳市大雅医疗技术有限公司 一种呼吸机及其风机降噪减震装置
CN210977909U (zh) * 2019-06-24 2020-07-10 深圳市大雅医疗技术有限公司 呼吸机及其离心风机
CN111561484A (zh) * 2020-06-12 2020-08-21 江苏鱼跃医疗设备股份有限公司 一种消音流道装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070247009A1 (en) * 2006-04-20 2007-10-25 Leslie Hoffman Motor blower unit
CN106730203A (zh) * 2016-12-28 2017-05-31 北京怡和嘉业医疗科技股份有限公司 用于呼吸机的减噪装置和呼吸机
CN108266408A (zh) * 2017-01-04 2018-07-10 深圳市大雅医疗技术有限公司 一种呼吸机及其风机降噪减震装置
CN210977909U (zh) * 2019-06-24 2020-07-10 深圳市大雅医疗技术有限公司 呼吸机及其离心风机
CN111561484A (zh) * 2020-06-12 2020-08-21 江苏鱼跃医疗设备股份有限公司 一种消音流道装置

Also Published As

Publication number Publication date
CN217187320U (zh) 2022-08-16

Similar Documents

Publication Publication Date Title
TWI652079B (zh) 具側壁的鼻罩換氣口
JP7416750B2 (ja) 呼吸圧力治療システム
WO2021248720A1 (zh) 一种消音流道装置
WO2023082432A1 (zh) 一种呼吸机风机风道以及呼吸机
US20220184335A1 (en) Respiratory pressure therapy system
CN106345025B (zh) 消音罩及呼吸机
WO2021136153A1 (zh) 安全阀片、呼吸管、呼吸管组件和呼吸面罩
WO2021129479A1 (zh) 呼吸机
CN112963383A (zh) 一种降噪装置、高速涡轮风机及呼吸机
CN208686648U (zh) 风机装置及应用该风机装置的呼吸机
CN218338800U (zh) 一种双水平呼吸机气道结构
WO2022218309A1 (zh) 通气降噪壳体和组件、通气保湿装置、呼吸面罩组件和呼吸支持设备
CN213158739U (zh) 一种湿化机内部涡轮风机的散热风道
CN108543180B (zh) 一种无创静音呼吸机
WO2020001153A1 (en) Blower device and breathing apparatus using the same
CN216950988U (zh) 一种具有导气孔的下蜗壳
CN209195825U (zh) 一种呼吸机的风机腔体结构
CN202010337U (zh) 一种呼吸机的消音减震装置
CN112704789A (zh) 一种高频震荡呼吸气流产生方法及呼吸支持设备
CN217091704U (zh) 适用于人体或动物使用的呼吸设备及呼吸动力装置
CN219711873U (zh) 一种静音风机模组及呼吸机
CN220979961U (zh) 一种涡轮风机降噪结构及呼吸机
CN205388048U (zh) 降噪型涡轮风机
CN108591124B (zh) 风机装置及应用该风机装置的呼吸机
CN217842109U (zh) 一种微型风机的风叶

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21963870

Country of ref document: EP

Kind code of ref document: A1