WO2015101117A1 - 风机装置和包括这种风机装置的呼吸机 - Google Patents

风机装置和包括这种风机装置的呼吸机 Download PDF

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Publication number
WO2015101117A1
WO2015101117A1 PCT/CN2014/091579 CN2014091579W WO2015101117A1 WO 2015101117 A1 WO2015101117 A1 WO 2015101117A1 CN 2014091579 W CN2014091579 W CN 2014091579W WO 2015101117 A1 WO2015101117 A1 WO 2015101117A1
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WO
WIPO (PCT)
Prior art keywords
fan
housing
vibration source
support
buffer member
Prior art date
Application number
PCT/CN2014/091579
Other languages
English (en)
French (fr)
Inventor
敬博炜
高树民
庄志
Original Assignee
北京怡和嘉业医疗科技有限公司
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 北京怡和嘉业医疗科技有限公司 filed Critical 北京怡和嘉业医疗科技有限公司
Priority to EP14876207.3A priority Critical patent/EP3091238B1/en
Publication of WO2015101117A1 publication Critical patent/WO2015101117A1/zh
Priority to US15/197,147 priority patent/US10539158B2/en
Priority to US16/660,048 priority patent/US11009046B2/en
Priority to US17/213,443 priority patent/US20210215173A1/en
Priority to US18/348,497 priority patent/US20230349395A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/42—Reducing noise

Definitions

  • the invention belongs to the technical field of small wind turbines, in particular to a fan device, in particular to a fan device mechanism with improved damping function.
  • the invention also relates to a ventilator comprising such a fan arrangement.
  • a fan is an important component of a ventilator that is used to generate breathable gas for delivery to a patient.
  • the fan blades cut air at high speed and generate airflow vibration. This airflow vibration is transmitted to the fan. Therefore, the fan generates high-frequency vibration at high speed. The frequency and amplitude of this vibration propagates outward, causing many secondary damage, such as reduced service life of the components of the product, and radiated vibration and noise from the device.
  • the technical problem to be solved by the present invention is to provide a fan device which can effectively buffer the vibration of the fan, reduce and reduce the noise, and has a simpler structure.
  • a technical solution of the present invention is to provide a fan device having a structure including a housing, a fan vibration source disposed within the housing, and a buffer assembly for associating the fan vibration source with the housing, wherein
  • the shock absorbing assembly includes at least two of a positioning bumper associated with the top of the fan vibration source, a connection bumper that at least partially houses the fan vibration source, and a support bumper associated with the bottom of the fan vibration source.
  • the present invention has the advantage that the connection, positioning and buffering of the vibration source of the fan are achieved by a combination of two or three of the positioning cushioning member, the connecting buffer member and the supporting cushioning member.
  • High-frequency vibration of buffer fan vibration source The magnitude of the motion and the reduction of noise due to high frequency vibrations are transmitted out of the housing, effectively reducing secondary damage.
  • the number of parts is small, the structure is simple, and the assembly is convenient.
  • the positioning cushioning member includes a positioning ring disposed on a top of the fan vibration source, and a positioning seat disposed on the housing for receiving the positioning ring.
  • the positioning ring disposed at the top of the vibration source of the fan cooperates with the positioning seat on the housing to limit and buffer the vibration source of the fan, which can not only control the lateral movement of the vibration source of the fan during high-frequency vibration, but also effectively Disperse a part of the vibration.
  • a plurality of support cushions uniformly disposed on the bottom surface of the connection buffer member are included.
  • Several support buffers can effectively dissipate the vibration of the fan vibration source.
  • each of the support cushioning members includes a support post extending from a bottom surface of the connecting buffer member, and three spaced apart supports extending outward from an end surface of the support post.
  • the foot is integrally formed as a flared member that extends from the end surface of the support post and is gradually enlarged, and is housed in a corresponding receiving groove provided on a bottom wall of the housing.
  • a rigid stopper is disposed between adjacent two support columns on the bottom surface of the connection buffer member, and the rigid stopper is opposite to the bottom surface of the connection buffer member. The words extend farther than the support column.
  • the rigid stopper can come into contact with the bottom surface of the lower casing, thereby restricting further downward movement of the fan vibration source.
  • the fan vibration source includes a fan seal that is sealingly coupled to the housing.
  • the fan seal can effectively reduce the amplitude of the high frequency vibration of the fan vibration source.
  • the shock absorbing assembly includes only a positioning cushion associated with a top of the fan vibration source and a connection buffer at least partially housing the fan vibration source, wherein the connection buffer is configured to be suspended Inside the housing. Conducive to disperse the energy of vibration and reduce the generation of noise.
  • connection buffer member includes a connector extending horizontally from a side wall thereof, the housing including a circumferential support table on an inner side wall thereof, wherein the connection member passes through a tapered shape The support is supported on the circumferential support table.
  • the circumferential support table can more effectively buffer and disperse the high frequency vibration of the fan vibration source.
  • the attachment cushioning member includes a hook-shaped connecting portion extending horizontally from a side wall thereof, the housing including a receiving portion on an inner side wall thereof, wherein the hook-shaped connecting portion Attached to the socket.
  • the connection structure is relatively simple, and is advantageous for dispersing the high frequency vibration of the vibration source of the fan.
  • connection buffer is configured as a box-like body in which the fan vibration source is completely received, the positioning buffer member being fixed to the top of the connection buffer member and oriented in a decreasing cross section a buffer member extending from the housing, the support buffer member being fixed to the bottom of the connection buffer member and extending toward the bottom wall of the housing in a decreasing cross section Buffer.
  • the connection buffer of the box-like structure can reduce the transmission of noise.
  • the combination of the connection buffer member of the box-like structure and the support buffer member can buffer high-frequency vibration and greatly reduce secondary damage.
  • connection cushioning member is configured as a box-like body in which a fan vibration source is completely accommodated, the positioning cushioning member including being fixed to a top wall of the casing and gradually decreasing in cross section.
  • a cushioning member extending toward the connection buffer member includes a cushioning member fixed to a bottom wall of the casing and extending toward the connection cushioning member in a gradually decreasing cross section.
  • the connection buffer of the box-like structure can reduce the transmission of noise.
  • the combination of the connection buffer of the box structure, the tapered positioning buffer and the tapered support buffer can effectively locate and buffer the vibration source of the fan, thereby maximally buffering the high frequency vibration and reducing the secondary damage.
  • connection buffer member includes a hook-shaped connecting portion extending horizontally from a side wall thereof, the housing including a receiving portion on an inner side wall thereof, wherein the hook-shaped connecting portion Attached to the socket.
  • the connection between the hook-shaped connecting portion and the supporting portion enables the vibration source of the fan to be suspended in the casing, and the vibration amplitude of the vibration source of the fan is buffered and restricted by the upper, lower and left sides, effectively dispersing the high-frequency vibration of the vibration source of the fan, reducing The generation of noise.
  • connection buffer member is configured as a box-shaped body in which a fan vibration source is completely accommodated
  • the support buffer member includes a buffer block connected to a bottom surface of the cartridge body and a bottom surface of the buffer block. Extending and gradually reducing the cross-section toward the bottom wall cushion of the bottom wall of the housing. The combination of the buffer block and the bottom wall buffer can effectively disperse the high frequency vibration of the fan vibration source and limit the vibration amplitude of the fan vibration source downward.
  • the housing includes an upper case and a lower case that are fitted to each other
  • the connection buffering member includes a connecting portion extending from the side wall, and the connecting portion is crimped to the upper case Between the mating surface of the lower shell.
  • the shock absorbing assembly includes a locating cushion associated with a top of the fan vibration source and a support bumper associated with a bottom of the fan vibration source, the support cushion including extending through the a support column of a bottom wall of the casing, wherein the support column is respectively provided with a snap block and a support leg on both sides of the casing, and an opening portion of the casing through which the support column passes is filled with a buffer material .
  • the support buffer member limits the amplitude of the downward movement of the fan vibration source, and the positioning buffer member can also restrict the lateral movement of the fan vibration source.
  • the combination of the positioning cushioning member and the supporting cushioning member can serve to disperse the high frequency vibration of the fan vibration source.
  • the positioning buffer, the connection buffer, and the support cushion are made of silicone. Silicone materials provide support and cushioning.
  • the invention also relates to a ventilator comprising a fan device as described above.
  • Fig. 1 schematically shows the structure of a fan unit according to a first embodiment of the present invention.
  • Figure 2 shows a perspective view of the fan unit of Figure 1 with the housing removed.
  • Figure 3 shows a bottom view of the structure shown in Figure 2.
  • Figure 4 shows a cross-sectional view of the first embodiment in the direction of plane A in Figure 2, with some structures omitted for clarity.
  • Fig. 5 schematically shows the structure of a fan unit according to a second embodiment of the present invention.
  • Fig. 6 is a view schematically showing the construction of a fan unit according to a third embodiment of the present invention.
  • Fig. 7 is a view schematically showing the construction of a fan unit according to a fourth embodiment of the present invention.
  • Fig. 8 is a view schematically showing the construction of a fan unit according to a fifth embodiment of the present invention.
  • Fig. 9 is a view schematically showing the construction of a fan unit according to a sixth embodiment of the present invention.
  • Fig. 10 schematically shows the structure of a fan unit according to a seventh embodiment of the present invention.
  • the fan unit 10 includes a housing 2, and a fan vibration source 1 mounted in the housing 2.
  • the fan vibration source 1 is, for example, a motor of a fan device.
  • the fan assembly 10 also includes some other conventional components which are well known in the art and a detailed description thereof will be omitted herein.
  • the fan vibration source 1 is provided with a positioning buffer member 3 at its top portion, and is connected to the inner side of the top wall of the casing 2 through the positioning buffer member 3.
  • the locating cushion 3 can include a locating ring 3.1 that extends into a corresponding locating seat 2.4 disposed on the inside of the top wall of the housing 2.
  • the positioning seat 2.4 is configured such that its inner diameter is slightly larger than the outer diameter of the positioning ring 3.1 such that a point contact or a line contact can be formed between the positioning ring 3.1 and the positioning seat 2.4.
  • the locating ring 3.1 can be placed on top of the fan vibration source 1 by a known structure, such as a complementary-engaged raised-groove structure.
  • the fan unit 10 comprises a connection buffer 4 associated with the fan vibration source 1.
  • the connection cushioning member 4 is configured as a cylindrical member in which at least the fan vibration source 1 is partially accommodated.
  • the fan unit 10 further includes a support cushioning member 5 for supporting the connection buffer member 4 in which the fan vibration source 1 is housed on the bottom wall of the casing 2.
  • FIG. 3 shows the support cushion 5 more clearly.
  • the fan unit 10 includes three support cushioning members 5 which are preferably evenly distributed in the circumferential direction. It is easy to understand that a larger number of support buffers 5 can also be provided depending on the needs of the specific situation.
  • Each of the support cushioning members 5 includes a support post 5.1 extending outward from the bottom of the connection buffer member 4, and three mutually spaced support legs 5.2 extending outwardly from the end surface of the support post 5.1.
  • Support buffer The three support legs 5.2 of the piece 5 integrally form a flared member that extends from the end face of the support post 5.1 and is gradually enlarged.
  • each of the support cushioning members 5 are housed in corresponding receiving grooves 2.5 (Fig. 4) on the bottom surface of the casing 2.
  • the receiving groove 2.5 is sized and shaped to accommodate the three support legs 5.2.
  • the above positioning cushioning member 3 and the connecting buffer member 4 should be made of a material that can provide a cushioning effect.
  • they can all be made of a silicone material.
  • at least the supporting leg 5.2 should be made of a material that provides a cushioning effect, such as a silicone material.
  • the support post 5.1 can be made of a rigid material such as plastic or a silicone material.
  • the housing 2 may include a lower case 2.1, a middle case 2.2, and an upper case 2.3.
  • the positioning seat 2.4 is disposed on the upper casing 2.3, and the receiving groove 2.5 is disposed on the lower casing 2.1.
  • This three-piece housing is more effective in dispersing high frequency vibrations originating from the fan vibration source 1 than in a one-piece construction.
  • a fan seal 6 can also be connected to the fan vibration source 1 for sealing connection with the housing 2, in particular the middle casing 2.2. After the fan vibration source 1 is loaded into the casing 2, the fan seal ring 6 can function to limit the rotation of the fan vibration source 1.
  • the fan seal ring 6 can also be provided with a thin-walled butterfly-shaped shock absorbing structure, so that the amplitude of the high-frequency vibration of the fan vibration source 1 can be effectively dispersed.
  • a rigid stop 4.1 can alternatively be provided on the bottom surface of the connection buffer member 4.
  • each of the three rigid stops 4.1 is each distributed between two adjacent support cushions 5.
  • the rigid stop 4.1 is arranged to extend further than the support post 5.1 supporting the cushioning member 5.
  • Figure 5 shows a fan unit 20 in accordance with a second embodiment of the present invention.
  • the fan unit 20 is not provided with the support cushioning member 5 as shown in the first embodiment.
  • the connection buffer member 24 of the fan unit 20 includes a tubular member 24.1 for at least partially accommodating the fan vibration source 1, and a connector member 24.2 extending horizontally from the outer peripheral wall of the tubular member 24.1.
  • the connector 24.2 is supported on a support table 22.6 disposed on the inner wall of the housing 22.
  • the connector 24.2 can be supported on the support table 22.6 by reducing the structure of the contact surface (e.g., the tapered portion).
  • Both the tubular member 24.1 and the connector 24.2 are made of a material capable of providing a cushioning action, such as a silicone material. Therefore, in this second embodiment, the fan vibration source 1 is actually suspended in the casing 22 by the connection buffer member 24. In this case, the vibration of the fan vibration source 1 can be effectively dispersed by the positioning buffer 23 and the connection buffer 24.
  • FIG. 6 shows a fan unit 30 in accordance with a third embodiment of the present invention.
  • the fan unit 20 of the embodiment is substantially identical.
  • the connecting member 34.2 and the inner wall of the housing 32 are joined to each other by a hook structure.
  • the inner wall of the housing 32 is provided with a socket portion 32.6, and the free end of the connector member 34.2 is configured as a hook body that can be hung in the socket portion 32.6.
  • the fan vibration source 1 can be more reliably suspended in the casing 32, facilitating the dispersion of vibration energy.
  • FIG. 7 shows a fan unit 40 in accordance with a fourth embodiment of the present invention.
  • the connection cushioning member 44 is constructed as a casing in which the fan vibration source 41 is completely accommodated.
  • the positioning cushioning member 43 and the supporting cushioning member 45 are integrated on the top surface and the bottom surface of the connection buffer member 44, respectively.
  • the positioning cushioning member 43 and the supporting cushioning member 45 may adopt the same structure as in the first embodiment, or a tapered cushioning member may be simply used such that the cushioning member forms point contact or line contact with the casing.
  • a similar connector 44.2 as shown in FIG. 6 may be provided on the side wall of the connection buffer member 44 for forming a hooking engagement with the inner wall of the housing 42.
  • Figure 8 shows a fan unit 50 in accordance with a fifth embodiment of the present invention.
  • the structure of the connection buffer member 44 is the same as that of the fourth embodiment.
  • the positioning cushioning member 53 and the supporting cushioning member 55 are not disposed on the connection buffer member 44, but are disposed on the top and bottom walls of the casing 52, respectively.
  • the positioning cushioning member 53 and the supporting cushioning member 55 are configured as tapered cushioning members such that they form a point contact or a line contact with the housing 52.
  • Figure 9 shows a fan unit 60 in accordance with a sixth embodiment of the present invention.
  • the housing 62 is configured to include an upper housing 62.1 and a lower housing 62.2.
  • the positioning cushioning member 63 is disposed on the top wall of the upper casing 62.1 and is in point contact or line contact with the top wall of the box-shaped connecting buffer member 64.
  • the support cushioning member 65 is connected to the bottom wall of the connection buffer member 64 through a buffer block 65.1, and the lower bottom surface of the buffer block 65.1 is connected to the bottom wall cushioning member 65.2 which is tapered toward the bottom wall of the lower casing 62.2.
  • the bumper block 65.1 is integrally connected to the bottom wall cushioning member 65.2.
  • each bottom wall cushioning member 65.2 forms a point contact or a line contact with the bottom wall of the lower case 62.2.
  • the attachment bumper 64 also includes a connector 64.2 extending horizontally outwardly from its side wall that is crimped between the attachment faces of the upper casing 62.1 and the lower casing 62.2.
  • FIG 10 shows a fan unit 70 in accordance with a seventh embodiment of the present invention.
  • the fan unit 70 includes the positioning buffer 73 as described in the first embodiment, but no connection buffer is provided.
  • the fan unit 70 includes a support buffer member 75 that extends outward from the bottom surface of the fan vibration source 71.
  • the support cushioning member 75 includes a support post 75.1 that extends through the housing 72 and is provided with a support leg 75.2 at a free end that passes through one side of the housing 72.
  • a snap block 75.3 is provided on the support post 75.1 on the side not penetrating the housing 72.
  • a cushioning member 72.1 made of, for example, silicone rubber is provided at a portion of the housing 72 through which the support post 75.1 passes. There is also a small gap between the buffers 72.1 and 75.3 and/or the support legs 75.2 for better cushioning.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Emergency Medicine (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)

Abstract

风机装置(10)和包括这种风机装置(10)的呼吸机，该风机装置(10)包括壳体(2)、设置在壳体(2)内的风机振动源(1)以及用于使风机振动源(1)与壳体(2)相关联的缓冲组件，其中，所述减震组件(3)包括与风机振动源的顶部相关联的定位缓冲件(3)、至少部分地容纳了风机振动源的连接缓冲件(4)以及与风机振动源(1)的底部相关联的支撑缓冲件(5)中的至少两种。该风机装置(10)能有效地缓冲风机的振动、减少和降低噪音传出且结构更简单。

Description

风机装置和包括这种风机装置的呼吸机
相关申请的交叉引用
本申请要求享有于2014年1月3日提交的名称为“风机装置和包括这种风机装置的呼吸机”的中国专利申请201410003968.X的优先权，该申请的全部内容通过交叉引用并入本文中。
技术领域
本发明属于小型风机技术领域，特别涉及一种风机装置，尤其是具有改进的减震功能的风机装置机构。本发明还涉及一种包括这种风机装置的呼吸机。
背景技术
风机是呼吸机中的一个重要部件，用来产生可供呼吸的气体以输送给病人。在高速转动的过程中，风机叶片会高速切割空气并产生气流振动。该气流振动会传导至风机。因此，风机在高速运转时会产生高频振动。这一振动的频率和振幅向外传播，造成很多次级损害，例如产品部件使用寿命降低，设备向外辐射振动噪声等。
为将产品中的次级损害将至最低，需要对风机的振动做特殊防护处理。然而，该特殊防护处理需要增设众多的零部件，导致风机的结构非常复杂。而且，在现有技术中经特殊防护处理的风机的连接及定位多为通过刚性连接的方式，这不利于缓冲风机的高频振动以及减少和降低因振动产生的噪音的传出。
发明内容
本发明所要解决的技术问题是，提供一种能有效缓冲风机的振动、减少和降低噪音传出且结构更简单的风机装置。
本发明的技术解决方案是，提供一种具有以下结构的风机装置，包括壳体、设置在壳体内的风机振动源以及用于使风机振动源与壳体相关联的缓冲组件，其中，所述减震组件包括与风机振动源的顶部相关联的定位缓冲件、至少部分地容纳了风机振动源的连接缓冲件以及与风机振动源的底部相关联的支撑缓冲件中的至少两种。
与现有技术相比，本发明具有以下优点：通过定位缓冲件、连接缓冲件和支撑缓冲件中的两种或三种结合起到对风机振动源的连接、定位和缓冲作用。缓冲风机振动源工作时的高频振 动的幅度以及减少因高频振动带来的噪音传出壳体，从而有效地降低次级损害。而且零部件数量少，结构简单，装配方便。
在一个实施例中，所述定位缓冲件包括设在风机振动源顶部上的定位圈，以及设置在壳体上的用于容纳所述定位圈的定位座。设在风机振动源顶部的定位圈与壳体上的定位座配合对风机振动源起到限位和缓冲作用，不仅可以控制风机振动源在高频振动时可能产生的横向运动，还能够有效地分散一部分振动。
在一个优选的实施例中，包括均匀设置在所述连接缓冲件的底面上的若干个支撑缓冲件。若干个支撑缓冲件能有效分散风机振动源的振动。
在进一步优选的实施例中，各所述支撑缓冲件包括从所述连接缓冲件的底面上延伸出来的支撑柱，以及从所述支撑柱的端面向外延伸出来的三个彼此间隔开的支撑脚，所述支撑脚整体上形成为从所述支撑柱的端面中延伸出来且逐渐扩大的喇叭形部件，并且容纳在设置于所述壳体的底壁上的相应容纳槽中。支撑缓冲件的这种结构能最大限度地分散风机振动源的振动，通过支撑更稳固。支撑缓冲件和容纳槽的配合能有效地限位风机振动源的转动和向下运动。
在一个优选的实施例中，在所述连接缓冲件的底面上的相邻两个支撑柱之间均设有刚性止动件，所述刚性止动件相对于所述连接缓冲件的底面而言延伸得比所述支撑柱更远。当风机振动源产生过大的振动时，刚性止动件能够与下壳的底面相接触，从而限制风机振动源的进一步的向下运动。
在一个优选的实施例中，所述风机振动源包括与壳体密封连接的风机密封圈。风机密封圈能有效地减小风机振动源的高频振动的振幅。
在另一个实施例中，所述减震组件仅包括与风机振动源的顶部相关联的定位缓冲件和至少部分地容纳了风机振动源的连接缓冲件，其中所述连接缓冲件设置成悬置于所述壳体内。有利于分散振动的能量和减少噪音的产生。
在一个优选的实施例中，所述连接缓冲件包括从其侧壁中水平延伸出来的连接件，所述壳体包括位于其内侧壁上的周向支撑台，其中所述连接件通过锥形支撑部支撑于周向支撑台上。周向支撑台能更有效地缓冲和分散风机振动源的高频振动。
在还有一个实施例中，所述连接缓冲件包括从其侧壁中水平延伸出来的钩状连接部，所述壳体包括位于其内侧壁上的承挂部，其中所述钩状连接部挂接在所述承挂部上。连接结构较简单，而且有利于分散风机振动源的高频振动。
在还有一个实施例中，所述连接缓冲件构造成将风机振动源完全容纳于其中的盒状体，所述定位缓冲件包括固定在连接缓冲件的顶部并以截面逐渐减小的方式朝向壳体延伸的缓冲件，所述支撑缓冲件包括固定在连接缓冲件的底部并以截面逐渐减小的方式朝向壳体的底壁延伸 的缓冲件。盒状体结构的连接缓冲件能减少噪音的传出。通过盒状体结构的连接缓冲件和支撑缓冲件的结合，能缓冲高频振动，极大地降低次级损害。
在还有一个实施例中，所述连接缓冲件构造成将风机振动源完全容纳于其中的盒状体，所述定位缓冲件包括固定在壳体的顶壁上并以截面逐渐减小的方式朝向连接缓冲件延伸的缓冲件，所述支撑缓冲件包括固定在壳体的底壁并以截面逐渐减小的方式朝向连接缓冲件延伸的缓冲件。盒状体结构的连接缓冲件能减少噪音的传出。通过盒状体结构的连接缓冲件、锥形的定位缓冲件和锥形的支撑缓冲件的结合能对风机振动源起到有效的定位和缓冲作用，最大限度地缓冲高频振动，降低次级损害。
在一个优选的实施例中，所述连接缓冲件包括从其侧壁中水平延伸出来的钩状连接部，所述壳体包括位于其内侧壁上的承挂部，其中所述钩状连接部挂接在所述承挂部上。钩状连接部和承挂部的连接能使风机振动源悬挂在壳体内，风机振动源的振动幅度由于受到上、下和左右的缓冲与限制，有效分散了风机振动源的高频振动，减少噪音的产生。
在还有一个实施例中，所述连接缓冲件构造成将风机振动源完全容纳于其中的盒状体，所述支撑缓冲件包括与盒装体的底面连接的缓冲块和从缓冲块下底面延伸并以截面逐渐减小的方式朝向壳体的底壁的底壁缓冲件。缓冲块和底壁缓冲件的结合能有效地分散风机振动源的高频振动，限制风机振动源向下的振动幅度。
在一个优选的实施例中，所述壳体包括彼此配合在一起的上壳和下壳，所述连接缓冲件包括从侧壁延伸出的连接部，所述连接部压接在所述上壳和下壳的配合面之间。结构简单。
在还有一个实施例中，所述减震组件包括与风机振动源的顶部相关联的定位缓冲件以及与风机振动源的底部相关联的支撑缓冲件，所述支撑缓冲件包括延伸穿过所述壳体的底壁的支撑柱，所述支撑柱上在壳体的两侧分别设有卡接块和支撑脚，并且所述壳体中的供支撑柱穿过的开口部内填充有缓冲材料。支撑缓冲件限制风机振动源向下运动的幅度，定位缓冲件还能对风机振动源的横向运动起到一定的限制作用。定位缓冲件和支撑缓冲件的结合能起到分散风机振动源的高频振动。
在一个优选的实施例中，所述定位缓冲件、连接缓冲件以及支撑缓冲件由硅胶制成。硅胶材料能起到支撑和缓冲作用。
本发明还涉及一种呼吸机，其包括如上所述的风机装置。
附图说明
图1示意性显示了根据本发明的第一实施例的风机装置的结构。
图2显示了去除了壳体的图1所示风机装置的立体图。
图3显示了图2所示的结构的仰视示意图。
图4显示了第一实施例沿图2中平面A的方向的剖面图，其中为清楚起见略去了一些结构。
图5示意性显示了根据本发明的第二实施例的风机装置的结构。
图6示意性显示了根据本发明的第三实施例的风机装置的结构。
图7示意性显示了根据本发明的第四实施例的风机装置的结构。
图8示意性显示了根据本发明的第五实施例的风机装置的结构。
图9示意性显示了根据本发明的第六实施例的风机装置的结构。
图10示意性显示了根据本发明的第七实施例的风机装置的结构。
具体实施方式
下面结合附图和具体实施例对本发明作进一步说明。
首先结合图1到4来说明根据本发明的第一实施例的风机装置10。如图1所示，该风机装置10包括壳体2，以及安装在壳体2中的风机振动源1。风机振动源1例如为风机装置的电机。本领域的技术人员容易理解，风机装置10还包括一些其它的常规零部件，它们属于本领域所熟知的，在此略去对其的详细描述。
根据本发明，风机振动源1在其顶部设有定位缓冲件3，并通过该定位缓冲件3连接到壳体2的顶壁内侧。在该实施例中，如图4更清楚地示出，定位缓冲件3可包括定位圈3.1，其延伸到设置在壳体2的顶壁内侧上的对应定位座2.4中。定位座2.4构造成其内径略大于定位圈3.1的外径，使得在定位圈3.1和定位座2.4之间可形成点接触或线接触。此外，定位圈3.1可通过公知的结构、例如互补式接合的凸起-凹槽结构而设置在风机振动源1的顶部。通过提供定位圈3.1，不仅可以控制风机振动源1在高频振动时可能产生的横向运动，还能够有效地分散一部分振动。
根据本发明，风机装置10包括与风机振动源1相关联的连接缓冲件4。在根据本发明的第一实施例中，连接缓冲件4构造为至少将风机振动源1部分地容纳在其中的筒状零件。风机装置10还包括支撑缓冲件5，其用于将其中容纳有风机振动源1的连接缓冲件4支撑在壳体2的底壁上。
图3更清楚地显示了支撑缓冲件5。如图所示，在根据本发明的第一实施例中，风机装置10包括三个优选在周向上均匀分布的支撑缓冲件5。容易理解，根据具体情况的需要，也可以设置更多数量的支撑缓冲件5。各支撑缓冲件5包括从连接缓冲件4的底部向外延伸出来的支撑柱5.1，以及从支撑柱5.1的端面向外延伸出来的三个彼此间隔开的支撑脚5.2。各支撑缓冲 件5的三个支撑脚5.2整体上形成了一个从支撑柱5.1的端面中延伸出来且逐渐扩大的喇叭形部件。各支撑缓冲件5的三个支撑脚5.2均容纳在壳体2的底面上的对应容纳槽2.5(如图4)中。优选地，容纳槽2.5的大小和形状设置成恰好能够容纳这三个支撑脚5.2。通过设置包括三个彼此独立的支撑脚5.2的支撑缓冲件5，能够有效地分散了源自风机振动源1的振动。此外，在风机振动源1产生向下的位移时，容纳槽2.5也可将各个支撑脚5.2限制在容纳槽的内部，从而限制了风机振动源1本身的向下运动和旋转的自由度。
上述定位缓冲件3、连接缓冲件4应由可提供缓冲作用的材料制成。例如，它们均可由硅胶材料制成。对于支撑缓冲件5来说，至少支撑脚5.2应由可提供缓冲作用的材料、例如硅胶材料制成。支撑柱5.1可由刚性材料如塑料制成，也可由硅胶材料制成。
根据本发明的一个具体实施例，如图4所示，壳体2可包括下壳2.1、中壳2.2和上壳2.3。其中，定位座2.4设置在上壳2.3上，而容纳槽2.5设置在下壳2.1上。相比于整体式构造的壳体而言，这种三件式结构的壳体能够更有效地分散源自于风机振动源1的高频振动。
根据本发明的一个优选实施例，如图2所示，风机振动源1上还可连接有风机密封圈6，其用于与壳体2、具体而言可以是中壳2.2进行密封连接。在风机振动源1装入到壳体2之后，风机密封圈6可以起到限制风机振动源1的转动的作用。另外，风机密封圈6还可设置有薄壁蝶形减震结构，从而能有效地分散风机振动源1的高频振动的振幅。
如图3所示，在连接缓冲件4的底面上还可备选地提供刚性止动件4.1。在图示实施例中，三个刚性止动件4.1中的每一个各自分布在相邻的两个支撑缓冲件5之间。刚性止动件4.1设置成比支撑缓冲件5的支撑柱5.1延伸得更远。由此，当风机振动源1产生过大的振动时，刚性止动件4.1能够与下壳2.1的底面相接触，从而限制风机振动源1的进一步的向下运动。
以下结合图5到10来介绍根据本发明的第二到第七实施例的风机装置。为节约篇幅起见，下面将仅介绍与图1到4所示的第一实施例的不同之处，而相同之处可参阅上文中的对应描述。
图5显示了根据本发明的第二实施例的风机装置20。在该第二实施例中，风机装置20并未设置如第一实施例中所示的支撑缓冲件5。然而，风机装置20的连接缓冲件24包括用于至少部分地容纳风机振动源1的筒状部件24.1，以及从筒状部件24.1的外周壁上水平地延伸出来的连接件24.2。该连接件24.2支撑在设置于壳体22的内壁上的支撑台22.6上。例如，连接件24.2可通过缩小接触面的结构(例如锥形部分)而支撑在支撑台22.6上。筒状部件24.1和连接件24.2均由能够提供缓冲作用的材料、例如硅胶材料制成。因此，在该第二实施例中，风机振动源1实际上通过连接缓冲件24而悬挂在壳体22内。在这种情况下，风机振动源1的振动可通过定位缓冲件23和连接缓冲件24而有效地分散。
图6显示了根据本发明的第三实施例的风机装置30。该风机装置30与图5所示的第二实 施例的风机装置20大致相同。不同之处在于，在风机装置30中，连接件34.2和壳体32的内壁通过挂钩式结构而相互接合。具体地说，壳体32的内壁设有承挂部32.6，而连接件34.2的自由端构造成可挂在承挂部32.6中的钩状体。这样，风机振动源1能够更可靠地悬挂在壳体32内，有利于分散振动能量。
图7显示了根据本发明的第四实施例的风机装置40。在该实施例中，连接缓冲件44构造成一个盒体，风机振动源41完全容纳在该连接缓冲件44中。另外，定位缓冲件43和支撑缓冲件45分别集成在连接缓冲件44的顶面和底面上。定位缓冲件43和支撑缓冲件45可采用如第一实施例中相同的结构，也可以简单地使用锥形的缓冲件，使得缓冲件与壳体形成点接触或线接触。另外，在连接缓冲件44的侧壁上也可设置有如同图6所示的类似的连接件44.2，用于与壳体42的内壁形成挂钩式接合。
图8显示了根据本发明的第五实施例的风机装置50。在该实施例中，连接缓冲件44的结构与第四实施例相同。然而，定位缓冲件53和支撑缓冲件55没有设置在连接缓冲件44上，而是分别设置在壳体52的顶壁和底壁上。定位缓冲件53和支撑缓冲件55构造成锥形的缓冲件，使得它们与壳体52之间形成点接触或线接触。
图9显示了根据本发明的第六实施例的风机装置60。在该实施例中，壳体62构造成包括上壳62.1和下壳62.2。定位缓冲件63设置在上壳62.1的顶壁上，并与盒状的连接缓冲件64的顶壁形成点接触或线接触。支撑缓冲件65通过一个缓冲块65.1连接到连接缓冲件64的底壁，缓冲块65.1的下底面连接有以截面逐渐减小的方式朝向下壳62.2的底壁的底壁缓冲件65.2。优选地，缓冲块65.1与底壁缓冲件65.2一体连接。
并且各底壁缓冲件65.2与下壳62.2的底壁形成点接触或线接触。连接缓冲件64同样包括从其侧壁中水平地向外延伸出来的连接件64.2，其被压接在上壳62.1和下壳62.2的连接面之间。
图10显示了根据本发明的第七实施例的风机装置70。在该实施例中，风机装置70包括如第一实施例中所述的定位缓冲件73，但没有设置连接缓冲件。此外，风机装置70包括从风机振动源71的底面中向外延伸出的支撑缓冲件75。支撑缓冲件75包括支撑柱75.1，其延伸穿过壳体72，并在穿过壳体72的一侧的自由端处设有支撑脚75.2。为防止支撑缓冲件75从壳体72中掉落，在未穿出壳体72的一侧的支撑柱75.1上设有卡接块75.3。在该实施例中，在壳体72中的供支撑柱75.1穿过的部位设置有例如由硅胶制成的缓冲件72.1。并且缓冲间72.1与75.3和/或支撑脚75.2之间留有少量间隙以起到更好的缓冲作用。
虽然已经结合具体实施例对本发明进行了描述，然而可以理解，在不脱离本发明的范围的情况下，可以对其进行各种改进或替换。尤其是，只要不存在结构上的冲突，各实施例中的特 征均可相互结合起来，所形成的组合式特征仍属于本发明的范围内。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (16)

  1. 一种风机装置，其特征在于，包括壳体、设置在壳体内的风机振动源以及用于使风机振动源与壳体相关联的缓冲组件，其中，所述减震组件包括与风机振动源的顶部相关联的定位缓冲件、至少部分地容纳了风机振动源的连接缓冲件以及与风机振动源的底部相关联的支撑缓冲件中的至少两种。
  2. 根据权利要求1所述的风机装置，其特征在于，所述定位缓冲件包括设在风机振动源顶部上的定位圈，以及设置在壳体顶部内侧的用于容纳所述定位圈的定位座。
  3. 根据权利要求1所述的风机装置，其特征在于，包括均匀设置在所述连接缓冲件的底面上的若干个支撑缓冲件。
  4. 根据权利要求3所述的风机装置，其特征在于，各所述支撑缓冲件包括从所述连接缓冲件的底面上延伸出来的支撑柱，以及从所述支撑柱的端面向外延伸出来的三个彼此间隔开的支撑脚，所述支撑脚整体上形成为从所述支撑柱的端面中延伸出来且逐渐扩大的喇叭形部件，容纳在设置于所述壳体的底壁上的相应容纳槽中。
  5. 根据权利要求4所述的风机装置，其特征在于，在所述连接缓冲件的底面上的相邻两个支撑柱之间均设有刚性止动件，所述刚性止动件相对于所述连接缓冲件的底面而言延伸得比所述支撑柱更远。
  6. 根据权利要求1到5中任一项所述的风机装置，其特征在于，所述风机振动源包括与壳体密封连接的风机密封圈。
  7. 根据权利要求1所述的风机装置，其特征在于，所述减震组件仅包括与风机振动源的顶部相关联的定位缓冲件和至少部分地容纳了风机振动源的连接缓冲件，其中所述连接缓冲件设置成悬置于所述壳体内。
  8. 根据权利要求7所述的风机装置，其特征在于，所述连接缓冲件包括从其侧壁中水平延伸出来的连接件，所述壳体包括位于其内侧壁上的周向支撑台，其中所述连接件通过锥形支撑部支撑于周向支撑台上。
  9. 根据权利要求7所述的风机装置，其特征在于，所述连接缓冲件包括从其侧壁中水平延伸出来的钩状连接部，所述壳体包括位于其内侧壁上的承挂部，其中所述钩状连接部挂接在所述承挂部上。
  10. 根据权利要求1所述的风机装置，其特征在于，所述连接缓冲件构造成将风机振动源完全容纳于其中的盒状体，所述定位缓冲件包括固定在连接缓冲件的顶部并以截面逐渐减小的方式朝向壳体延伸的缓冲件，所述支撑缓冲件包括固定在连接缓冲件的底部并以截面逐渐减小 的方式朝向壳体的底壁延伸的缓冲件。
  11. 根据权利要求1所述的风机装置，其特征在于，所述连接缓冲件构造成将风机振动源完全容纳于其中的盒状体，所述定位缓冲件包括固定在壳体的顶壁上并以截面逐渐减小的方式朝向连接缓冲件延伸的缓冲件，所述支撑缓冲件包括固定在壳体的底壁并以截面逐渐减小的方式朝向连接缓冲件延伸的缓冲件。
  12. 根据权利要求10或11所述的风机装置，其特征在于，所述连接缓冲件包括从其侧壁中水平延伸出来的钩状连接部，所述壳体包括位于其内侧壁上的承挂部，其中所述钩状连接部挂接在所述承挂部上。
  13. 根据权利要求1所述的风机装置，其特征在于，所述连接缓冲件构造成将风机振动源完全容纳于其中的盒状体，所述支撑缓冲件包括与盒装体的底面连接的缓冲块和从缓冲块下底面延伸并以截面逐渐减小的方式朝向壳体的底壁的底壁缓冲件。
  14. 根据权利要求13所述的风机装置，其特征在于，所述壳体包括彼此配合在一起的上壳和下壳，所述连接缓冲件包括从侧壁延伸出的连接部，所述连接部压接在所述上壳和下壳的配合面之间。
  15. 根据权利要求2所述的风机装置，其特征在于，所述减震组件包括与风机振动源的顶部相关联的定位缓冲件以及与风机振动源的底部相关联的支撑缓冲件，所述支撑缓冲件包括延伸穿过所述壳体的底壁的支撑柱，所述支撑柱上在壳体的两侧分别设有卡接块和支撑脚，并且所述壳体中的供支撑柱穿过的开口部内填充有缓冲材料。
  16. 一种呼吸机，其特征在于，包括权利要求1到15中任一项所述的风机装置。
PCT/CN2014/091579 2014-01-03 2014-11-19 风机装置和包括这种风机装置的呼吸机 WO2015101117A1 (zh)

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EP14876207.3A EP3091238B1 (en) 2014-01-03 2014-11-19 Fan device and ventilator comprising said fan device
US15/197,147 US10539158B2 (en) 2014-01-03 2016-06-29 Blower device and respirator including blower device
US16/660,048 US11009046B2 (en) 2014-01-03 2019-10-22 Blower device and respirator including blower device
US17/213,443 US20210215173A1 (en) 2014-01-03 2021-03-26 Blower device and respirator including blower device
US18/348,497 US20230349395A1 (en) 2014-01-03 2023-07-07 Blower device and respirator including blower device

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CN103807221A (zh) 2014-05-21
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US20160312801A1 (en) 2016-10-27
EP3091238A4 (en) 2016-12-07
US11009046B2 (en) 2021-05-18
US20200049167A1 (en) 2020-02-13
US20210215173A1 (en) 2021-07-15
US10539158B2 (en) 2020-01-21
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US20230349395A1 (en) 2023-11-02

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