CN104689441B - A breathing machine fan noise reducing device - Google Patents

A breathing machine fan noise reducing device Download PDF

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CN104689441B
CN104689441B CN 201510129126 CN201510129126A CN104689441B CN 104689441 B CN104689441 B CN 104689441B CN 201510129126 CN201510129126 CN 201510129126 CN 201510129126 A CN201510129126 A CN 201510129126A CN 104689441 B CN104689441 B CN 104689441B
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fan
flexible
cover
bottom
provided
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CN 201510129126
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CN104689441A (en )
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戴征
杨贯中
丁锦
刘炜
徐勤鹏
黄皓轩
李伟利
何超
雷孟航
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湖南明康中锦医疗科技发展有限公司
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Abstract

一种呼吸机风机降噪装置,所述降噪装置包括柔性下盖(3)、柔性上盖(5)、风机盒底减震片(2)和风机盒顶减震片(7),在风机底盒(1)上设有所述风机盒底减震片(2),在风机顶盒(4)设有所述风机盒顶减震片(7),在风机盒底减震片(2)上设有所述柔性下盖(3),在风机盒顶减震片(7)下设有所述柔性上盖(5),所述柔性下盖(3)和所述柔性上盖(5)配合形成容纳所述风机(8)的封闭空腔,在所述柔性上盖(5)上设有至少3个悬挂孔,每个悬挂孔中设有柔性吊柱(6),所述风机(8)悬挂在柔性吊柱(6)上,在所述柔性下盖(3)和风机盒底减震片(2)之间形成蛇形封闭气道(3‑1),本发明悬挂配合包裹,大幅度降低风噪和风机噪声的传递。 A breathing machine fan noise reduction device, the noise reducing means comprises a flexible lower cover (3), a flexible cover (5), the vibration damping sheet fan box bottom (2) and the fan damper cartridge top sheet (7), in the blower fan is provided with a bottom cartridge damping sheet cassette bottom (2) (1), set-top boxes in the wind (4) is provided with said blower shock absorbing cassette top plate (7), the fan damper box bottom plate (2 ) is provided on the bottom of the flexible cover (3), provided with the flexible cover (5) at the top of the fan damping sheet cassette (7), (3) and the flexible cover in said flexible cover ( 5) cooperate to form a closed cavity housing said fan (8), provided with at least three suspension hole on the flexible cover (5), each provided with a flexible suspension hole davit (6), the blower (8) is suspended on a flexible suspension post (6), the cover (3) and the fan box bottom damping plate (2) is formed in the flexible serpentine closed airway (3-1) between the suspension of the present invention wrapped with, a significant reduction in fan noise and wind noise transmission.

Description

一种呼吸机风机降噪装置 A breathing machine fan noise reducing device

技术领域 FIELD

[0001] 本发明涉及呼吸机领域,具体涉及一种呼吸机风机降噪装置。 [0001] The present invention relates to a ventilator, and in particular relates to a ventilator fan noise reduction device.

背景技术 Background technique

[0002] 家用睡眠型呼吸机主要应用于个人家庭、睡眠中心以及小型诊所之中,主要针对具有呼吸暂停综合症的病人,在整个治疗过程中,病人是处于睡眠状态,要求周边环境安静、舒适。 [0002] household type of sleep breathing machine is mainly used in personal family, sleep centers and small clinics, mainly for the patient has apnea syndrome, throughout the course of treatment, the patient is in a sleep state, it requires the surrounding environment quiet, comfortable . 呼吸机是靠风机对管路内的气体进行加压,进而对病人起到治疗作用,在工作过程中风机不可避免会发出噪声,如何将噪声控制在最小范围内,不影响病人睡眠是每个呼吸机厂商都要面对的重大课题。 By the ventilator fan to the gas in the conduit is pressurized, and thus play a therapeutic effect on the patient, the fan inevitably emits noise during operation, how noise control to a minimum, does not affect the patient sleep per ventilator manufacturers have to face a major issue.

[0003] 风机噪声主要分为两种,一种是风机快速转动,叶片与空气摩擦产生的风啸声,一种是风机自身转动和放置等原因导致的震动,震动过程中与其他部件相互碰撞产生噪声。 [0003] The fan noise is mainly divided into two types, one is the rapidly rotating fan vibration, wind howling blade and the air friction, one is placed in the wind turbine itself and other causes rotation of vibration during collide with other components noise. 一般后者产生的噪声比前者大很多,是主要的噪声来源。 General noise generated by the latter than the former is much larger, it is the main source of noise.

[0004] 现有技术中,对于风机噪声的控制主要有三种:1、将风机包裹到厚实的有隔音材料(一般使用EVA材料)的盒子内,但这样做对隔音材料要求较高,且盒子的体积一般都会要求较大,不利于成本的控制和呼吸机体积的控制,因家用呼吸机主要是在家庭内和睡眠中心使用,为了方便,一般不会做的太大。 [0004] In the prior art, to control the fan noise is mainly in three ways: 1, the package into the blower box has a thick insulation material (typically an EVA material), but doing so requires a higher sound insulating material, and the box usually require a larger volume, is not conducive to control and ventilator volume control costs, mainly due to household ventilator use in the home and sleep center, for convenience, generally do not do much. 2、通过气路结构制造隔音环境,该方法成本低,但对结构要求极高,一般很难实现。 2, through an air path structure for producing acoustic environment, the method is low cost, but high structural requirements, is generally difficult to achieve. 3、通过增加特殊防护处理增多刚性连接部件固定风机,降低风机震动减少噪声,但这一方案同样存在体积增大和成本增加的问题。 3, increased by increasing the guard processing special fixing member is rigidly connected to the fan, reducing noise and vibration by the fan, but the program of the same problems and the increase in volume increases the cost.

[0005] CN202010337U公开了一种呼吸机消音减震装置,上下两个泡棉扣合,泡棉内设有风机固定槽,风机通过固定槽固定在上下两个泡棉的扣合空间内。 [0005] CN202010337U discloses a ventilator noise and vibration damping means engaging the upper and lower foam, foam fan equipped with fixing groove, the fan is fixed in the fixing groove by engaging the upper and lower space of the foam. 风机的振动同样能够传递到泡棉上,造成风机和泡棉一起共振。 Fan vibration can likewise be transmitted to the foam, resulting in resonance with the fan and foam.

[0006] 常州科迈电子有限公司的CN103736186A公开了一种风机降噪结构,四周紧密包裹有透气软质层的风机本体一起封装在密封舱内,所述密封舱四周与所述透气软质层紧密接触,所述密封舱上部和下部均设置有空气流通室。 [0006] Changzhou Comay Electronics Co., Ltd. discloses a wind turbine noise CN103736186A structure surrounded tightly packed layer of gas-permeable soft fan main body together in a sealed compartment, said sealed compartment four weeks the permeable soft layer close contact with the sealing chamber is provided with upper and lower air flow chamber. 上述风机降噪结构的风机本体仍然通过透气软质层与密封舱紧密接触,这样时间长了随透气软质层的变硬,风机本体的振动同样能够传递到透气软质层与密封舱上,造成共振。 Noise blower fan main body above configuration is still in close contact through the gas permeable layer and the soft capsule, so a long time to harden the soft layer with gas-permeable, fan vibration of the body can likewise be transmitted to the gas permeable layer and the soft capsule, cause resonance.

发明内容 SUMMARY

[0007] 针对上述现有技术存在的问题,本发明提供一种能真正有效降低风机两种噪声来源的呼吸机风机降噪装置。 [0007] for the presence of the above-described prior art problems, the present invention provides a ventilator fan noise reduction device capable of effectively reducing the fan really two noises sources.

[0008] 本发明是这样实现的,一种呼吸机风机降噪装置,风机通过所述降噪装置安装在风机底盒和风机顶盒形成的空间内,所述降噪装置包括柔性下盖、柔性上盖、风机盒底减震片和风机盒顶减震片,在风机底盒上设有所述风机盒底减震片,在风机顶盒设有所述风机盒顶减震片,在风机盒底减震片上设有所述柔性下盖,在风机盒顶减震片下设有所述柔性上盖,所述柔性下盖和所述柔性上盖配合形成容纳所述风机的封闭空腔,在所述柔性上盖上设有至少3个悬挂孔,每个悬挂孔中设有柔性吊柱,所述风机悬挂在柔性吊柱上。 [0008] The present invention is achieved in a ventilator fan noise reduction device, the fan is mounted by means of the fan noise and wind box STB bottom space formed, at the noise reduction means comprises a flexible cover, the flexible cover, the vibration damping sheet and bottom of the box fan blower shock absorbing cassette top sheet, a bottom provided with said blower shock absorbing cassette bottom sheet on the blower box, the fan box is provided with a top sheet in the wind damper set-top box, the fan box bottom a vibration damping sheet is provided in said flexible cover, the flexible cover is provided at the top of the fan vibration damping sheet cartridge, the flexible cover and the flexible lower cover is formed with a closed cavity accommodating the fan, in the cover is provided on the flexible suspension of at least three holes, each hole is provided with a flexible suspension davit, the fan hanging suspended from the flexible column.

[0009] 进一步的,所述柔性下盖的底部设计有蛇形风道槽,装配后在所述柔性下盖和风机盒底减震片之间形成蛇形封闭气道,以风机为原点,进风口设在90度方向正向的柔性下盖的侧壁底部,所述蛇形封闭气道从该进风口开始至少经过两个弯折,然后向上穿过所述柔性下盖进入所述封闭空腔的上方,再下降到所述风机底部的风机进气口。 [0009] Further, at the bottom of the flexible cover is designed with a serpentine air path grooves, after assembly of the serpentine is formed between the flexible cover and the lower fan tray bottom plate closing the damper airway to fan origin, inlet sidewall of the lower bottom of the flexible cover 90 is provided in a forward direction, said serpentine closed airway from the air inlet starts through the at least two bent, and then upwardly through the lower flexible cover into the enclosed over the cavity, and then dropped to the bottom of the blower fan intake port.

[0010] 进一步的,所述蛇形封闭气道是圆滑曲线,所述圆滑曲线至少有两个凸部和一个凹部。 [0010] Further, the serpentine is closed airway smooth curve, a smooth curve with at least two convex portions and a recess portion.

[0011] 进一步的,所述风机的风机出气口处设有连接软管,所述连接软管连接转接弯管, 所述转接弯管连接风机盒外部的气道。 [0011] Further, the blower fan is provided at the outlet connection hose, the hose connecting adapter elbow connector, the elbow connector fan airway adapter box outside.

[0012] 进一步的,所述柔性吊柱包括吊柱体和设在吊柱体的端部的法兰,所述吊柱体上设有卡接槽,所述柔性吊柱通过法兰悬挂在所述柔性上盖的悬挂孔中,所述风机上具有卡接孔,所述风机通过卡接孔与所述柔性吊柱的卡接槽固定连接。 [0012] Further, the flexible cylinder hanging suspension post comprises a flange provided on an end portion of the lifting cylinder and the lifting cylinder is provided with a locking groove, the flexible flange is suspended by the suspension post the flexible cover suspension hole, said hole having a snap blower, through the blower and the snap hole of the flexible suspension post card access slot is fixedly connected.

[0013] 进一步的,所述吊柱体的卡接槽为螺纹槽,所述柔性吊柱进一步通过柔性紧固螺母与吊柱体的卡接槽配合紧固所述风机。 [0013] Further, the lifting cylinder is a threaded groove locking groove, the flexible suspension post to further secure the fan by mating snap groove flexible fastening nut and lifting cylinder.

[0014] 进一步的,在所述柔性下盖和柔性上盖米用EVA材料制成。 [0014] Further, made of EVA material of the flexible cover and the flexible lower cover meters.

[0015] 进一步的,所述柔性吊柱包含金属加强骨,所述金属加强骨与所述橡胶、EVA材料一体注塑成型。 [0015] Further, the suspension post comprises a flexible metal reinforcing bone, the bone with the metal reinforcing rubber, EVA material integrally injection molded.

[0016] 进一步的,所述风机有至少3个卡接孔。 [0016] Further, the wind turbine has at least three snap holes.

[0017] 本发明的上述降噪装置是通过以下技术构思是来达到降噪的技术目的,特有的“柔性包裹”配合“柔性悬挂”,悬挂式装配结合柔性上下盖,有效防止风机振动的传递;所述柔性上盖和柔性下盖形成封闭空腔为在其内悬挂装配风机提供了加强的隔音环境,同时柔性上盖又为悬挂装配提供了柔性支撑,取得了更好的减振的技术效果,上述悬挂和柔性包裹是功能上相互支持的,这种组合后的总的技术效果比单独的“柔性包裹”和单独的“柔性悬挂”的技术效果之和更加优越。 [0017] The noise reducing apparatus according to the present invention is the following technical idea is to achieve the purpose of noise reduction technology, unique "flexible barrier" mating "flexible suspension", hanging down the lid assembly in conjunction with a flexible, effectively prevent the transmission of fan vibration ; under the flexible cover and the flexible lid forming an enclosed cavity provides enhanced noise environment within which the fan assembly is suspended, while the flexible cover also provides a flexible support for the suspension assembly, and achieve better vibration damping technology effect of the suspension package are flexible and functional support each other, the overall technical effects of this combination is more favorable than the individual "soft wrapping" and individual "flexible suspension" and the technical effects.

[0018] 同时,风噪和风机自身振动须同时解决才能达到降噪装置的基本要求,上述技术构思除了能够大大降低风机自身振动外,还在柔性下盖上设计了蛇形风道,大幅度降低风噪和风机噪声的传递。 [0018] Meanwhile, wind and the wind turbine itself shall vibration while addressing the basic requirements in order to achieve noise reduction apparatus, in addition to the above-described technical concept can significantly reduce vibration of the fan itself, also the design of the flexible lower cover serpentine air duct, substantially reduce wind noise and turbine noise transmission. 在柔性下盖和风机盒底减震片之间形成了蛇形封闭气道,有效地衰减进口及阻止风机叶片与空气摩擦产生的风啸声;同时经由蛇形封闭气道的外部气体经过封闭空腔上部再下降到风机底部的风机进气口,在外部空气经过封闭空腔时将风机产生的热量带到风机出气口,起到为风机降温的作用。 Between the fan and the damper box bottom sheet forming a serpentine closed lid at the flexible airway, and be effectively attenuated to prevent import howling wind turbine blade and the air friction; serpentine closed simultaneously via the outside air through the airway closure upper cavity and then falling to the bottom of the fan air intake fan, the fan outlet to the outside air through an enclosed cavity when the heat generated by the fan, the fan for the cooling effect functions.

附图说明 BRIEF DESCRIPTION

[0019] 图1为本发明实施例呼吸机风机降噪装置的主剖视图; [0019] FIG principal embodiment ventilator fan device noise reducing cross-sectional view of the embodiment of the present invention;

[0020] 图2为本发明实施例呼吸机风机降噪装置的蛇形封闭通道示意图; [0020] FIG. 2 embodiment ventilator fan noise serpentine passage means closing schematic embodiment of the invention;

[0021] 图3为本发明实施例呼吸机风机降噪装置的图2的BB剖视图。 [0021] FIG. 3 BB cross-sectional view showing an example of a ventilator fan noise reducing device 2 of the embodiment of the present invention.

[0022]图4为本发明实施例呼吸机风机降噪装置的柔性吊柱悬挂主视图。 [0022] FIG. 4 embodiment the flexible davit ventilator fan noise reducing device of the present invention a front view of the suspension.

[0023]图5为本发明实施例呼吸机风机降噪装置的柔性吊柱悬挂俯视图。 [0023] FIG. 5 is suspended a top view of the flexible davit embodiment ventilator fan noise reduction apparatus according to the present invention.

[0024] 上述图中的附图标记: [0024] The reference numerals in FIG:

[0025] 1风机底盒,2风机盒底减震片,3柔性下盖,3-1蛇形封闭风道,4风机顶盒,5柔性上盖,6柔性吊柱,7风机盒顶减震片,8风机,9连接软管,10转接弯管,11风机出气口,12风机进气口,13A气道孔,F外部空气 [0025] One end of the fan box, the fan box bottom vibration damping sheet 2, the flexible cover 3, 3-1 serpentine air path is closed, the wind top box 4, the flexible cover 5, 6 flexible davit, the damper cartridge ejection fan 7 tablets, the fan 8, 9 connecting hose adapter elbow 10, outlet fan 11, the fan intake port 12, 13A airway aperture, F outside air

具体实施方式 detailed description

[0026] 以下实施例用来说明本发明,但不用来限制本发明的范围。 [0026] The following examples serve to illustrate the present invention but are not intended to limit the scope of the present invention.

[0027] 如图1所示,一种呼吸机风机降噪装置,所述风机8通过所述降噪装置安装在风机底盒1和风机顶盒4形成的封闭空间内,所述降噪装置包括柔性下盖3、柔性上盖5、风机盒底减震片2和风机盒顶减震片7,在风机底盒1上设有所述风机盒底减震片2,在风机顶盒4设有所述风机盒顶减震片7,在风机盒底减震片2上设有所述柔性下盖3,在风机盒顶减震片7下设有所述柔性上盖5,所述柔性下盖3和所述柔性上盖5配合形成容纳风机8的封闭空腔,在所述柔性上盖5上设有至少3个悬挂孔,每个悬挂孔中设有柔性吊柱6,所述柔性吊柱6包括吊柱体和设在吊柱体的端部的法兰,所述吊柱体上设有卡接槽,所述柔性吊柱6通过法兰悬挂在所述柔性上盖5的悬挂孔中,所述风机8上具有卡接孔,所述风机通过卡接孔与所述柔性吊柱的卡接槽固定连接。 [0027] As shown in FIG A ventilator fan noise reduction device, the blower 18 through the noise reduction device 4 is mounted in a closed space formed by a bottom box wind turbine set-top box, the noise reduction means comprises a flexible the lower cover 3, the flexible cover 5, the end of the damper box fan blower box top sheet 2 and the vibration damping sheet 7, the fan box is provided with a vibration damping sheet 2 on the bottom end of the fan case 1, it is provided in the wind STB 4 said vibration damping sheet 7 top box fan, provided in said flexible cover 3, the flexible cover 5 is provided with the fan box at the top sheet 7 on the blower shock absorbing cassette vibration damping sheet substrate 2, the flexible lower cover 3 and the flexible cover 5 is formed with a closed cavity for receiving the blower 8, is provided with at least three suspension hole on the flexible cover 5, each suspension post hole 6 is provided with a flexible suspension, said flexible hanging 6 comprises a lifting column flange end portion of the cylinder and the lifting cylinder is provided, the lifting cylinder is provided with a locking groove, the flexible suspension post 6 is suspended by a flange of the flexible cover 5 suspension hole, said blower having a snap hole 8, through the blower and the snap hole of the flexible suspension post card access slot is fixedly connected. 所述柔性下盖3和柔性上盖5采用EVA材料制成。 3 the upper cover 5 and the flexible use of EVA material under the flexible cover. 所述柔性吊柱6 采用橡胶、EVA材料一体注塑成型,优选地,所述柔性吊柱6包含金属加强骨,所述金属加强骨与所述橡胶、EVA材料一体注塑成型。 The flexible suspension post 6 made of rubber, EVA material is injection molded integrally, preferably, said flexible suspension post 6 comprising metal reinforcing bone, the bone with the metal reinforcing rubber, EVA material integrally injection molded. 优选地,所述吊柱体的卡接槽为螺纹槽,所述柔性吊柱6进一步包括柔性紧固螺母,所述柔性紧固螺母与吊柱体的卡接槽配合紧固所述风机8。 Preferably, the lifting cylinder is a threaded groove locking groove, the flexible suspension post 6 further comprising a flexible fastening nut, the fastening nut of the flexible snap-fastening groove of the lifting cylinder with blower 8 .

[0028] 优选地,如图3所示,为了固定风机8的位置,风机有至少3个所述卡接孔,且可以根据不同需要增加,同样,与之对应的柔性吊柱也可以增加和减少。 [0028] Preferably, as shown in FIG. 3, for fixing the position of the fan 8, the wind turbine having at least three detent hole, and may be increased according to different needs, similarly, the corresponding increase to be flexible and davit cut back.

[0029] 上述降噪装置的技术构思是通过“柔性包裹”配合“柔性悬挂”来达到降噪的技术目的,在风机盒中,所述柔性上盖5和柔性下盖3形成封闭空腔包裹风机8,EVA材料减震隔音效果好,上述降噪装置使得风机8在其中即使发生了高频振动也会立即被所述降噪装置吸收,大大降低了振动的传导,从而降低了风机的振动噪声。 [0029] The technical concept of the noise reducing means is through "soft wrapping" mating "flexible suspension" technique to achieve the purpose of noise reduction, the fan box, the flexible cover 5 and the lower cover 3 forms a closed hollow flexible package blower 8, a good sound damping effect of EVA material, the noise reducing means such that the blower 8 in which even in the event of the dithering noise reduction device will be immediately absorbed, greatly reduces vibration conduction, thereby reducing the vibration of the fan noise. 为了进一步减少风机的振动,在风机的至少三个固定孔位上使用柔性吊柱6,所述性吊柱6穿过柔性上盖5,通过法兰固定在其顶端。 To further reduce vibration of the fan, a flexible suspension post at least three fixing holes on the fan 6, of the suspension post 6 through the flexible cover 5, is fixed by a flange at its top end. 风机8通过柔性吊柱6和柔性上盖5实现了悬挂固定同时能够减震,大大降低了由于震动产生的噪声。 Blower 8 can be realized while fixing the suspension damper 6 by a flexible davit and a flexible cover 5, greatly reduce the noise generated due to vibration.

[0030] 除了对风机进行悬挂和包裹外,在风机的出气口处还将设有一截约3cm长的连接软管9,所述连接软管9连接转接弯管10,所述转接弯管10连接风机出气口和风机盒外部的气道,避免由于风机震动导致的风机出气口与外部气道发生碰撞时产生噪声,如图1所示。 [0030] In addition to the suspension and the fan for the outer wrap, at the outlet of the fan is also provided with a length of about 3cm long connecting hoses 9, the hose connector elbow 9 is connected to the adapter 10, the adapter bend airway tube 10 connected to the fan blower outlet and outside of the cartridge, to avoid generation of noise due to the fan outlet air passage and the external fan vibrations caused by a collision, as shown in FIG. [0031]除了上述功能外,柔性上盖5和柔性下盖3为风机提供外界气体以及降温的功能。 [0031] In addition to the above functions, the flexible cover 5 and the flexible lid 3 and the outside air to provide cooling function of the fan. 如图2所示,柔性下盖3的底部充分利用空间设计有蛇形风道槽,装配后在柔性下盖3和风机盒底减震片2之间形成了蛇形封闭气道3-1,以风机为原点,进风口设在90度方向正向的柔性下盖3的侧壁底部,所述蛇形封闭风道3-1从该进风口开始,先90度方向负向直行40-60mm 再沿〇度方向正向直行30-40mm再向90度方向正向直行30-40mm,再沿0度方向正向直行20-30mm到达所述柔性下盖3的侧壁且不穿透,再沿90度方向负向直行整个柔性下盖3侧壁的长度后向上穿过所述蛇形封闭风道3-1末端的A气孔道13并穿过所述柔性下盖3进入空腔的上方,再下降到风机底部的风机进气口12,所述蛇形封闭气道3-1至少经过两个弯折,优选地, 所述蛇形封闭气道3-1是圆滑曲线,所述圆滑曲线至少有两个凸部和一个凹部,路径较长且曲折的蛇形封闭气道3_1能有效地衰减进口及阻止风机叶片与空气摩 As shown, the flexible lid 3 at the bottom of the second space designed to make full use of serpentine grooves duct, after the fan assembly and the cassette bottom lid 3 at a vibration damping sheet formed of a flexible serpentine closed airway between 3-1 2 to the origin of the fan, the air inlet is provided at the bottom of the side wall 3 in the direction of 90 degrees forward flexible cover, closing said serpentine air duct from the air inlet 3-1 starts, the first negative 90 degrees straight 40 60mm square and then along the direction of straight forward direction of 90 degrees forward again 30-40mm straight 30-40mm, 20-30mm straight forward and then reaches the side wall 3 and does not penetrate the flexible cover in the 0 degree direction, and then held to the lid straight up through the entire length of the flexible side wall 3 of the closed serpentine duct ends 3-1 a hole through the lower channel 13 and the direction of 90 degrees flexible cover 3 into the cavity above, and then falling to the bottom of the blower fan intake port 12, the airway is closed serpentine through at least two bent 3-1, preferably the serpentine is closed airway smooth curve 3-1, the smooth curve with at least two convex portions and a recess portion, the longer path tortuous serpentine closed airway 3_1 can be effectively attenuated and the inlet fan blades to prevent friction with the air 擦产生的风啸声;另一方面,外部空气F经过进气口进入柔性下盖3和风机盒底减震片2形成的蛇形封闭气道3- 1,如图3所示,然后再进入空腔的上方,再下降到风机底部的风机进气口,经由风机出气口11吹出。 Wiping the wind howling generated; on the other hand, the outside air F into the intake port through the flexible lid 3 and the lower airway fan serpentine closed bottom of the box formed by the damper sheet 3-1 2, 3, then entering over the cavity, and then dropped to the bottom of the fan air intake fan, the fan is blown through the outlet 11. 在外部空气F经过封闭空腔时将风机产生的热量带到风机出气口,一并排出风机盒,起到为风机降温的作用。 F is the outside air through the fan when the cooling effect of the enclosed cavity to the heat generated by the blower fan outlet, the fan box is discharged together, play.

[0032]本发明具有如下独创性技术构思:“柔性包裹”配合“柔性悬挂”来达到降噪的技术目的,有效防止风机振动的传递;所述“柔性包裹”配合“柔性悬挂”,悬挂式装配结合柔性上下盖,有效防止风机振动的传递;所述柔性上盖5和柔性下盖3形成封闭空腔包裹风机8,形成了风机噪音的隔音环境,通过柔性吊柱6悬挂风机以减少自身振动,上述悬挂和柔性包裹是功能上相互支持的,因此所述柔性上盖5和柔性下盖3形成封闭空腔为在其内悬挂装配风机提供了加强的隔音环境,同时柔性上盖5又为悬挂装配提供了柔性支撑,取得了更好的减振的技术效果,这种组合后的总的技术效果比单独的柔性包裹和单独的柔性悬挂的技术效果之和更加优越。 [0032] The present invention has the following original technical concept: "Flexible package" with "flexible suspension" to achieve the purpose of noise reduction technology, to effectively prevent transmission of fan vibration; the "flexible package" with "flexible suspension", suspended bonding a flexible cover assembly vertically, effectively prevent the transmission of fan vibration; 3 forms a closed cavity in said flexible package blower 8 and a flexible upper lid cover 5, the formation of the fan noise environment of noise, the fan is suspended by flexible suspension posts 6 in order to reduce their vibrating the suspension package are flexible and mutually supportive function, thus the flexible cover 5 and the lower flexible lid 3 forms a closed cavity provides enhanced noise environment within which the fan assembly is suspended, while the flexible cover 5 and providing a suspension assembly of the flexible support, and achieve better technical effect of vibration, the total effect of this technique is more advantageous than combinations of separate flexible package and a separate flexible suspension and the technical effects.

Claims (7)

  1. 1. 一种呼吸机风机降噪装置,风机(8)通过所述降噪装置安装在风机底盒(1)和风机顶盒⑷形成的空间内,其特征在于,所述降噪装置包括柔性下盖(3)、柔性上盖(5)、风机盒底减震片(2)和风机盒顶减震片(7),在风机底盒(1)内侧包覆有所述风机盒底减震片(2),在风机顶盒(4)内侧包覆有所述风机盒顶减震片(7),在风机盒底减震片(2)上包覆有所述柔性下盖(3),在风机盒顶减震片(7)下包覆有所述柔性上盖(5),所述柔性下盖(3)和所述柔性上盖配合形成容纳所述风机(8)的封闭空腔,在所述柔性上盖⑸上设有至少3个悬挂孔,每个悬挂孔中设有柔性吊柱⑹,所述风机⑻悬挂在柔性吊柱⑹上,所述风机⑻的下端与所述柔性下盖(3)相间隔以悬空; 所述风机(8)的风机出气口(11)处设有连接软管(9),所述连接软管(9)连接转接弯管(10),所述转接弯管(10)连接风机盒外部的气道 A ventilator fan noise reduction device, the fan (8) mounted in the bottom space of the fan box (1) formed by the wind STB ⑷ said noise reducing means, wherein said noise reducing means comprises a flexible lower cover (3), a flexible cover (5), the vibration damping sheet fan box bottom (2) and the fan damper cartridge top sheet (7), in the bottom box the fan (1) inside is coated with the vibration damping sheet bottom cartridge blower (2), set-top boxes in the wind (4) coated with said inner cartridge top blower shock absorbing sheet (7), the damper on the blower box bottom sheet (2) coated with the said flexible cover (3), in coated with the flexible cover (5) at the top of the fan damping sheet cassette (7), the flexible lower cover (3) and the flexible cover cooperate to form a closed cavity housing said fan (8), provided on the flexible cover ⑸ least three hanging holes, each hole is provided with a flexible suspension davit ⑹, the blower is suspended from the flexible ⑻ davit ⑹, the lower end of the fan the flexible ⑻ the lower cover (3) spaced apart in midair; said fan (8) at the fan outlet (11) is provided with a connecting hose (9), the connecting hose (9) connecting adapter elbow (10), the elbow adapter (10) connected to the fan box external airway 所述柔性吊柱(6)包括吊柱体和设在吊柱体的端部的法兰,所述吊柱体上设有卡接槽, 所述柔性吊柱(6)通过法兰悬挂在所述柔性上盖(5)的悬挂孔中,所述风机(8)上具有卡接孔,所述风机通过卡接孔与所述柔性吊柱的卡接槽固定连接。 The flexible suspension post (6) comprises a lifting cylinder and a flange provided at an end portion of the lifting cylinder, the lifting cylinder is provided with a locking groove, the flexible suspension post (6) is suspended by a flange hanging hole of the flexible cover (5), said fan having a detent hole (8), through the blower and the snap hole of the flexible suspension post card access slot is fixedly connected.
  2. 2. 根据权利要求1所述的一种呼吸机风机降噪装置,其特征在于,所述柔性下盖(3)的底部设计有蛇形风道槽,装配后在所述柔性下盖C3)和风机盒底减震片(2)之间形成蛇形封闭气道(3-1),以风机为原点,进风口设在90度方向正向的柔性下盖(3)的侧壁底部,所述蛇形封闭气道(3-1)从该进风口开始,先90度方向负向直行40-60m再沿0度方向正向直行30-40mm再向90度方向正向直行30-40mm,再沿0度方向正向直行20-30mm到达所述柔性下盖(3) 的侧壁且不穿透,至少经过两个弯折,然后再沿90度方向负向直行整个柔性下盖⑶侧壁长度后向上穿过所述蛇形封闭风道(3-1)末端的气孔道(13)并穿过所述柔性下盖(3)进入所述封闭空腔的上方,再下降到所述风机⑻底部的风机进气口(12)。 2. According to a ventilator fan noise reduction device according to claim 1, wherein in said flexible cover (3) of the bottom groove is designed with a serpentine air path, after assembly in said flexible cover C3) bottom of the box and fan vibration damping sheet formed serpentine closed airway (3-1) (2) to the fan origin, the air inlet 90 is provided in the forward direction of the flexible cover (3) in the bottom of the side walls, the serpentine airway closure (3-1) starting from the inlet, the forward first direction of 90 degrees minus 90 degrees again 30-40mm straight in a straight direction and then along the 0 degree direction 40-60m straight forward 30-40mm , then along the straight forward direction of 0 degrees reach 20-30mm in said flexible cover side wall (3) and does not penetrate through at least two bent, and then the negative direction of 90 degrees to the straight ⑶ cover the entire flexible upwardly through the length of the sidewalls of the closed serpentine duct (3-1) the end of the passage hole (13) and through the lower flexible cover (3) into the closure over the cavity, and then down to the said bottom ⑻ blower fan intake port (12).
  3. 3. 根据权利要求2所述的一种呼吸机风机降噪装置,其特征在于,所述蛇形封闭气道(3-1)是圆滑曲线,所述圆滑曲线至少有两个凸部和一个凹部。 3. According to a ventilator fan noise reduction device according to claim 2, wherein said serpentine airway closure (3-1) is a smooth curve, a smooth curve with at least two convex portions and a recess.
  4. 4. 根据权利要求1所述的一种呼吸机风机降噪装置,其特征在于,所述吊柱体的卡接槽为螺纹槽,所述柔性吊柱(6)进一步通过柔性紧固螺母与吊柱体的卡接槽配合紧固所述风机⑻。 4. According to a ventilator fan noise reduction device according to claim 1, characterized in that the lifting cylinder is a threaded groove locking groove, the flexible suspension post (6) by a further flexible fastening nut lifting cylinder is fastened with the snap groove fan ⑻.
  5. 5. 根据权利要求1所述的一种呼吸机风机降噪装置,其特征在于,所述柔性下盖(3)和柔性上盖(5)采用EVA材料制成。 5. According to a ventilator fan noise reduction device according to claim 1, wherein in said flexible cover (3) and a flexible cover (5) the use of EVA material.
  6. 6. 根据权利要求1所述的一种呼吸机风机降噪装置,其特征在于,所述柔性吊柱(6)采用橡胶、EVA材料一体注塑成型,所述柔性吊柱⑹包含金属加强骨,所述金属加强骨与所述橡胶、EVA材料一体注塑成型。 6. According to a ventilator fan noise reduction device according to claim 1, characterized in that the flexible suspension post (6) made of rubber, EVA material integrally injection molded, the flexible suspension post comprises a metal reinforcement ⑹ bone, the bone and the metal reinforcing rubber, EVA material integrally injection molded.
  7. 7. 根据权利要求1所述的一种呼吸机风机降噪装置,其特征在于,所述风机(8)有至少3 个卡接孔。 7. According to a ventilator fan noise reduction device according to claim 1, wherein said fan (8) has at least three snap holes.
CN 201510129126 2015-03-24 2015-03-24 A breathing machine fan noise reducing device CN104689441B (en)

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US20050112013A1 (en) * 2003-08-04 2005-05-26 Pulmonetic Systems, Inc. Method and apparatus for reducing noise in a roots-type blower
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