TWI529304B - Fan cover and pumping device - Google Patents
Fan cover and pumping device Download PDFInfo
- Publication number
- TWI529304B TWI529304B TW102116042A TW102116042A TWI529304B TW I529304 B TWI529304 B TW I529304B TW 102116042 A TW102116042 A TW 102116042A TW 102116042 A TW102116042 A TW 102116042A TW I529304 B TWI529304 B TW I529304B
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- fan
- frame
- fan cover
- outer frame
- uniaxial direction
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Classifications
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- 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
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid 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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid 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
- 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
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- 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
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
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- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/12—Kind or type gaseous, i.e. compressible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Description
本發明係有關安裝於送風口之風扇蓋及具備其之幫浦裝置。 The present invention relates to a fan cover attached to an air supply port and a pump device provided therewith.
屬於真空幫浦之一種之搖動活塞型幫浦已知為藉由活塞往返運動於氣缸內交互進行幫浦室內之吸氣及排氣之排量式幫浦(positive displacement pump),例如廣泛地用來作為加壓幫浦。 A rocking piston type pump which is a kind of vacuum pump is known as a positive displacement pump for inhaling and exhausting in a pump chamber by reciprocating movement of a piston in a cylinder, for example, widely used. Come as a pressurized pump.
已知於此種幫浦具備用以抑制運轉中之馬達發熱之冷卻機構。例如,於下述專利文獻1中記載有一種幫浦,具有安裝於馬達軸之風扇葉片、形成於幫浦之外殼且用以藉由風扇葉片之旋轉吸入空氣之開口、以及安裝於其開口之風扇罩(fan guard)。 It is known that such a pump is provided with a cooling mechanism for suppressing heat generation of a motor during operation. For example, Patent Document 1 discloses a pump having a fan blade attached to a motor shaft, an opening formed in a casing of the pump, and an opening for taking in air by rotation of the fan blade, and being mounted to the opening thereof. Fan guard.
專利文獻1:日本特表2003-515061號公報 Patent Document 1: Japanese Patent Publication No. 2003-515061
一般而言,風扇蓋為了阻止人的手指或異物侵入之目的而安裝於送風口。另一方面,風扇蓋之開口部越小,流路的阻力越大,幫浦之冷卻效率之降低、噪音之發生成為問題。 Generally, the fan cover is attached to the air outlet for the purpose of preventing the intrusion of a person's finger or foreign matter. On the other hand, the smaller the opening of the fan cover, the greater the resistance of the flow path, and the lowering of the cooling efficiency of the pump and the occurrence of noise become a problem.
有鑑於以上情事,本發明之目的在於提供一種可減低流路阻力之風扇蓋、以及可提高馬達之冷卻效率之幫浦裝置。 In view of the above circumstances, an object of the present invention is to provide a fan cover which can reduce the flow path resistance and a pump device which can improve the cooling efficiency of the motor.
為達成上述目的,本發明之一形態之風扇蓋係安裝於送風口並具備外框及框架部。 In order to achieve the above object, a fan cover according to an aspect of the present invention is attached to an air blowing port and includes an outer frame and a frame portion.
上述外框可安裝於上述送風口,限定沿著單軸方向之流體之流路。 The outer frame may be attached to the air supply opening to define a flow path of the fluid along the uniaxial direction.
上述框架部分別具有朝上述單軸方向突出之凸狀的第1面、以及朝上述單軸方向相對向於上述第1面之凹狀的第2面,支持於上述外框,將上述流路劃分成複數個區域。 Each of the frame portions has a convex first surface that protrudes in the uniaxial direction and a second surface that is concave toward the first surface in the uniaxial direction, and is supported by the outer frame to allow the flow path Divided into a plurality of areas.
為達成上述目的,本發明之一形態之幫浦裝置具備幫浦本體及送風單元。 In order to achieve the above object, a pump device according to an aspect of the present invention includes a pump body and a blower unit.
上述幫浦本體具有送風口。 The above pump body has an air supply port.
上述送風單元具有風扇及風扇蓋。 The air blowing unit has a fan and a fan cover.
上述風扇配置於上述送風口。 The fan is disposed at the air blowing port.
上述風扇蓋具有外框及框架部。上述外框安裝於上述送風口,限定沿著單軸方向之流體之流路。上述框架部分別具有朝上述單軸方向突出之凸狀的第1面、以及朝上述單軸方向相對向於上述第1面之凹狀的第2面,支持於上述 外框,將上述流路劃分成複數個區域。 The fan cover has an outer frame and a frame portion. The outer frame is attached to the air supply opening, and defines a flow path of the fluid along the uniaxial direction. Each of the frame portions has a convex first surface that protrudes in the uniaxial direction and a second surface that is concave toward the first surface in the uniaxial direction, and is supported by the frame The outer frame divides the above flow path into a plurality of regions.
1‧‧‧幫浦裝置 1‧‧‧ pumping device
10‧‧‧幫浦本體 10‧‧‧Pump ontology
11‧‧‧第1幫浦部 11‧‧‧The 1st Ministry
12‧‧‧第2幫浦部 12‧‧‧The 2nd Ministry
13‧‧‧驅動部 13‧‧‧ Drive Department
21‧‧‧活塞 21‧‧‧Piston
24‧‧‧密封構件 24‧‧‧ Sealing members
25‧‧‧螺絲構件 25‧‧‧screw components
26‧‧‧幫浦室 26‧‧‧The Pufang Room
31‧‧‧風扇 31‧‧‧Fan
32‧‧‧風扇蓋 32‧‧‧Fan cover
33‧‧‧外框 33‧‧‧Front frame
33a‧‧‧環狀嵌合凹部 33a‧‧‧Ring fitting recess
34‧‧‧框架部 34‧‧‧Framework
35‧‧‧支持構件 35‧‧‧Support components
36‧‧‧圓盤部 36‧‧‧Disc
37‧‧‧安裝部 37‧‧‧Installation Department
38‧‧‧卡止部 38‧‧‧Cards
39‧‧‧固定部 39‧‧‧ Fixed Department
40‧‧‧風扇蓋 40‧‧‧Fan cover
41‧‧‧框架部 41‧‧‧Framework
100‧‧‧幫浦箱 100‧‧‧Pushing box
101‧‧‧第1罩 101‧‧‧1st cover
102‧‧‧第2罩 102‧‧‧2nd cover
103‧‧‧第3罩 103‧‧‧3rd cover
110‧‧‧箱本體 110‧‧‧ box body
110h‧‧‧貫通孔 110h‧‧‧through hole
111‧‧‧氣缸 111‧‧‧ cylinder
112‧‧‧幫浦頭 112‧‧‧Help Putou
112a‧‧‧吸氣閥 112a‧‧‧ Inhalation valve
112b‧‧‧排氣閥 112b‧‧‧Exhaust valve
113‧‧‧幫浦頭蓋 113‧‧‧Help Putou
113a‧‧‧吸氣室 113a‧‧‧Intake chamber
113b‧‧‧排氣室 113b‧‧‧Exhaust room
114a‧‧‧吸氣口 114a‧‧‧ suction port
114b‧‧‧排氣口 114b‧‧‧Exhaust port
115‧‧‧送風口 115‧‧‧Air outlet
115a‧‧‧係合部 115a‧‧‧ Department
116a、116b‧‧‧通氣孔 116a, 116b‧‧‧ vents
117‧‧‧卡止孔 117‧‧‧ card hole
118‧‧‧螺絲 118‧‧‧ screws
131‧‧‧驅動軸 131‧‧‧Drive shaft
131a‧‧‧端部 131a‧‧‧End
200‧‧‧變換機構 200‧‧‧Transformation agency
210‧‧‧連接桿 210‧‧‧Connecting rod
211‧‧‧第1端部 211‧‧‧1st end
212‧‧‧第2端部 212‧‧‧2nd end
213‧‧‧嵌合孔 213‧‧‧ fitting holes
220‧‧‧偏心構件 220‧‧‧Eccentric components
221‧‧‧偏心軸 221‧‧‧Eccentric shaft
222‧‧‧配重 222‧‧‧weight
223‧‧‧固定螺絲 223‧‧‧ fixing screws
300‧‧‧送風單元 300‧‧‧Air supply unit
341、411‧‧‧表面 341, 411‧‧‧ surface
341a、351a‧‧‧頂部 341a, 351a‧‧‧ top
342、412‧‧‧內面 342, 412‧‧ inside
342a、352a‧‧‧底部 342a, 352a‧‧‧ bottom
350‧‧‧接合部 350‧‧‧ joints
351‧‧‧凸部 351‧‧‧ convex
352‧‧‧凹部 352‧‧‧ recess
391‧‧‧螺孔 391‧‧‧ screw holes
B1‧‧‧軸承 B1‧‧‧ bearing
B2‧‧‧軸承 B2‧‧‧ bearing
M‧‧‧馬達 M‧‧ motor
S、Sa‧‧‧開口部 S, Sa‧‧‧ openings
圖1係顯示本發明之一實施形態之幫浦裝置整體之立體圖。 Fig. 1 is a perspective view showing the entire pump device according to an embodiment of the present invention.
圖2係上述幫浦裝置之主要部分之縱剖面圖。 Fig. 2 is a longitudinal sectional view showing the main part of the above-described pump device.
圖3係上述幫浦裝置之風扇蓋之前視圖。 Figure 3 is a front elevational view of the fan cover of the above-described pump device.
圖4A係上述風扇蓋之圖3中A-A方向之剖面圖。 Fig. 4A is a cross-sectional view taken along line A-A of Fig. 3 of the fan cover.
圖4B係上述風扇蓋之圖4A中之主要部分放大圖。 Fig. 4B is an enlarged view of a main portion of Fig. 4A of the above fan cover.
圖5A係上述風扇蓋之圖3中B-B方向之剖面圖。 Fig. 5A is a cross-sectional view taken along line B-B of Fig. 3 of the fan cover.
圖5B係上述風扇蓋之圖5A中之主要部分放大圖。 Fig. 5B is an enlarged view of a main part of Fig. 5A of the above fan cover.
圖6係比較例之風扇蓋之主要部分剖面圖。 Fig. 6 is a cross-sectional view showing the main part of a fan cover of a comparative example.
本發明之一實施形態之風扇蓋係安裝於送風口並具備外框及框架部。 A fan cover according to an embodiment of the present invention is attached to a blower port and includes an outer frame and a frame portion.
上述外框可安裝於上述送風口,限定沿著單軸方向之流體之流路。 The outer frame may be attached to the air supply opening to define a flow path of the fluid along the uniaxial direction.
上述框架部分別具有朝上述單軸方向突出之凸狀的第1面、以及朝上述單軸方向相對向於上述第1面之凹狀的第2面,支持於上述外框,將上述流路劃分成複數個區域。 Each of the frame portions has a convex first surface that protrudes in the uniaxial direction and a second surface that is concave toward the first surface in the uniaxial direction, and is supported by the outer frame to allow the flow path Divided into a plurality of areas.
由於上述框架部分別具有相對於流體之流動方向突出之第1面,因此,可減小自第1面側朝第2面側通過流路之流體之阻力。又,凹狀的第2面在該第2面配置成與吸入用風扇相對向時,誘導空氣沿著風扇之旋轉方向之移動。藉此,可抑制亂流的發生,減低風切聲。 Since each of the frame portions has a first surface that protrudes in a flow direction of the fluid, the resistance of the fluid that has passed through the flow path from the first surface side toward the second surface side can be reduced. Further, when the concave second surface is disposed to face the suction fan, the second surface is induced to move in the rotation direction of the fan. Thereby, the occurrence of turbulence can be suppressed, and the wind cut sound can be reduced.
上述風扇蓋具有與上述框架部接合之接合部,亦可進一步具備將上述框架部連接於上述外框之支持構件。 The fan cover has a joint portion that is joined to the frame portion, and may further include a support member that connects the frame portion to the outer frame.
藉由上述支持構件可保持上述框架部與外框之相對位置,且提高作為風扇蓋之機械性強度。 The relative position of the frame portion and the outer frame can be maintained by the support member, and the mechanical strength as the fan cover can be improved.
上述接合部亦可具有與上述凸狀的第1面連續之凸部。 The joint portion may have a convex portion continuous with the convex first surface.
又,上述接合部亦可具有與上述凹狀的第2面連續之凹部。 Further, the joint portion may have a recess that is continuous with the concave second surface.
藉此,可抑制框架部之第1面與接合部之表面、或第2面與接合部之內面之間之壓力變動,提高防止發生風切聲之效果。 Thereby, it is possible to suppress the pressure fluctuation between the first surface of the frame portion and the surface of the joint portion or between the second surface and the inner surface of the joint portion, thereby improving the effect of preventing the wind cut sound from occurring.
上述凸狀的第1面例如以曲面形成。藉此,可有效率地減低流路阻力。 The convex first surface is formed, for example, as a curved surface. Thereby, the flow path resistance can be effectively reduced.
上述框架部亦可由朝與上述單軸方向正交之方向同心排列之複數個環狀體所構成。藉此,可有效率地於第2面中誘導空氣朝風扇之旋轉方向移動之流動,而提高防止發生風切聲之效果。 The frame portion may be composed of a plurality of annular bodies that are concentrically arranged in a direction orthogonal to the uniaxial direction. Thereby, the flow of the air in the rotation direction of the fan can be efficiently induced in the second surface, and the effect of preventing the wind cut sound from occurring can be improved.
上述外框、上述框架部及上述支持構件亦可分別為一體形成之金屬材料之成型體。 The outer frame, the frame portion, and the support member may each be a molded body of a metal material integrally formed.
藉此,既可容易形成上述形狀之框架部及支持構件,亦可提高生產性。又,可提高風扇蓋之耐熱性及強度。 Thereby, the frame part and the support member of the above shape can be easily formed, and productivity can be improved. Moreover, the heat resistance and strength of the fan cover can be improved.
本發明之一實施形態之幫浦裝置具備幫浦本體及送風單元。 A pump device according to an embodiment of the present invention includes a pump body and a blower unit.
上述幫浦本體具有送風口。 The above pump body has an air supply port.
上述送風單元具有風扇及風扇蓋。 The air blowing unit has a fan and a fan cover.
上述風扇配置於上述送風口。 The fan is disposed at the air blowing port.
上述風扇蓋具有外框及框架部。上述外框安裝於上述送風口,限定沿著單軸方向之流體之流路。上述框架部分別具有朝上述單軸方向突出之凸狀的第1面、以及朝上述單軸方向相對向於上述第1面之凹狀的第2面,支持於上述外框,將上述流路劃分成複數個區域。 The fan cover has an outer frame and a frame portion. The outer frame is attached to the air supply opening, and defines a flow path of the fluid along the uniaxial direction. Each of the frame portions has a convex first surface that protrudes in the uniaxial direction and a second surface that is concave toward the first surface in the uniaxial direction, and is supported by the outer frame to allow the flow path Divided into a plurality of areas.
於上述幫浦裝置中,由於上述框架部分別具有相對於流體之流動方向突出之第1面,因此,在藉由風扇之旋轉,空氣自第1面側朝第2面側移之動情況下,可減小通過流路之流體之阻力。藉此,可提高馬達之冷卻效率。又,於此情況下,凹狀的第2面係誘導空氣沿著風扇之旋轉方向之移動。藉此,可抑制亂流的發生,減低風切聲。 In the above-described pump device, since the frame portions respectively have the first surface that protrudes in the flow direction of the fluid, the air moves from the first surface side toward the second surface side by the rotation of the fan. It reduces the resistance of the fluid passing through the flow path. Thereby, the cooling efficiency of the motor can be improved. Further, in this case, the concave second surface induces movement of the air in the rotation direction of the fan. Thereby, the occurrence of turbulence can be suppressed, and the wind cut sound can be reduced.
上述風扇亦可為吸入用風扇。於此情況下,上述風扇蓋配置成上述第2面及上述風扇相對向於上述單軸方向。另一方面,上述風扇亦可為排出用風扇。於此情況下,上述風扇蓋配置成上述第1面及上述風扇相對向於上述單軸方向。 The fan may also be a suction fan. In this case, the fan cover is disposed such that the second surface and the fan face each other in the uniaxial direction. On the other hand, the fan may be a fan for discharge. In this case, the fan cover is disposed such that the first surface and the fan face each other in the uniaxial direction.
以下一邊參照圖式,一邊說明本發明之實施形態。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[幫浦裝置] [Load device]
圖1係顯示本發明之一實施形態之幫浦裝置之圖式。 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a pumping apparatus according to an embodiment of the present invention.
本實施形態之幫浦裝置1具有第1幫浦部11、第2幫浦部12、以及共同驅動第1幫浦部11和第2幫浦部12之驅動部13。 The pump device 1 of the present embodiment includes a first pumping portion 11, a second pumping portion 12, and a driving portion 13 that drives the first pumping portion 11 and the second pumping portion 12 in common.
第1幫浦部11及第2幫浦部12分別構成為真空幫浦。 但不限於此,兩幫浦部11、12亦可分別構成為加壓幫浦(昇壓幫浦)。幫浦裝置1例如使用來作為燃料電池系統中氣體之昇壓鼓風機(blower)等。 The first pumping unit 11 and the second pumping unit 12 are each configured as a vacuum pump. However, it is not limited to this, the two sets of Pudong 11, 12 can also be configured as a pressurized pump (boost pump). The pump device 1 is used, for example, as a booster blower or the like for a gas in a fuel cell system.
第1及第2幫浦部11、12典型地具有共同構造,於本實施形態中,構成為搖動活塞幫浦。此外,第1及第2幫浦部11、12亦可構成為隔膜幫浦等其他排量式幫浦。 The first and second pumping portions 11, 12 typically have a common structure, and in the present embodiment, they are configured to rock the piston pump. Further, the first and second pumping portions 11, 12 may be configured as other displacement pumps such as a diaphragm pump.
幫浦裝置1具有幫浦本體10及送風單元300。又,幫浦本體10具有活塞21、幫浦箱100、馬達M及變換機構200。幫浦箱100包含構成第1幫浦部11之一部分之第1罩101、構成第2幫浦部12之一部分之第2罩102、以及構成驅動部13之一部分之第3罩103。 The pump device 1 has a pump body 10 and a blower unit 300. Further, the pump body 10 has a piston 21, a pump box 100, a motor M, and a shifting mechanism 200. The pump box 100 includes a first cover 101 constituting one of the first pumping portions 11, a second cover 102 constituting one of the second pumping portions 12, and a third cover 103 constituting one of the driving portions 13.
圖2係顯示第1幫浦部11和驅動部13之一部分構造之縱剖面圖。於圖2中,X軸、Y軸及Z軸分別表示彼此正交之3軸方向。此外,由於第2幫浦部12如同第1幫浦部11之構成,因而,在此主要說明第1幫浦部11。 Fig. 2 is a longitudinal sectional view showing a part of the structure of the first pumping portion 11 and the driving portion 13. In FIG. 2, the X-axis, the Y-axis, and the Z-axis respectively indicate three-axis directions orthogonal to each other. Further, since the second pumping portion 12 is configured as the first pumping portion 11, the first pumping portion 11 will be mainly described here.
第1幫浦部11具有第1罩101、變換機構200、及送風單元300。 The first pumping unit 11 includes a first cover 101, a conversion mechanism 200, and a blower unit 300.
第1罩101具有箱本體110、氣缸111、幫浦頭112、及幫浦頭蓋113。箱本體110、氣缸111、幫浦頭112、及幫浦頭蓋113以朝Z軸方向堆疊之方式彼此一體化。 The first cover 101 has a case body 110, a cylinder 111, a pump head 112, and a pump head cover 113. The tank body 110, the cylinder 111, the pump head 112, and the pump head cover 113 are integrated with each other in such a manner as to be stacked in the Z-axis direction.
箱本體110與收容馬達M之第3罩103連接,具有使連接桿210貫通之貫通孔110h。又,在箱本體110之配置送風單元300之一側面形成作為空氣吸入口之送風口 115。送風口115係圓形狀開口,於一部分形成用以安裝後述風扇蓋32之係合(engage)部115a。 The case body 110 is connected to the third cover 103 that houses the motor M, and has a through hole 110h through which the connecting rod 210 passes. Further, an air supply port as an air suction port is formed on one side of the air supply unit 300 of the box body 110. 115. The air outlet 115 is formed in a circular shape, and an engaging portion 115a for attaching a fan cover 32 to be described later is formed in a part.
氣缸111配置於箱本體110與幫浦頭112之間,於內部朝Z軸方向滑動自如地收容活塞21。幫浦頭112配置於氣缸111與幫浦頭蓋113之間,分別具有吸氣閥112a及排氣閥112b。幫浦頭蓋113配置於幫浦頭112上,內部具有連通於吸氣口114a之吸氣室113a、以及連通於排氣口114b之排氣室113b。如圖1所示,吸氣口114a及排氣口114b分別設於各幫浦部11、12彼此相對向之側面,將各幫浦部11、12間彼此連接。 The cylinder 111 is disposed between the tank body 110 and the pump head 112, and slidably accommodates the piston 21 in the Z-axis direction. The pump head 112 is disposed between the cylinder 111 and the pump head cover 113, and has an intake valve 112a and an exhaust valve 112b, respectively. The pump head cover 113 is disposed on the pump head 112, and has an intake chamber 113a that communicates with the intake port 114a and an exhaust chamber 113b that communicates with the exhaust port 114b. As shown in Fig. 1, the intake port 114a and the exhaust port 114b are respectively provided on the side faces of the respective pump portions 11, 12 facing each other, and the respective pump portions 11, 12 are connected to each other.
活塞21具有圓板形狀,透過螺絲構件25固定於連接桿210之第1端部211。活塞21係形成幫浦室26於該活塞21與幫浦頭112之間。活塞21朝Z軸方向往返移動於氣缸111之內部,透過吸氣閥112a及排氣閥112b交互對幫浦室26吸氣及排氣,藉此進行既定之幫浦作用。 The piston 21 has a circular plate shape and is fixed to the first end portion 211 of the connecting rod 210 via a screw member 25. The piston 21 forms a pumping chamber 26 between the piston 21 and the pump head 112. The piston 21 reciprocates in the Z-axis direction inside the cylinder 111, and inhales and exhausts the pump chamber 26 through the intake valve 112a and the exhaust valve 112b, thereby performing a predetermined pumping action.
變換機構200具有連接桿210及偏心構件220。變換機構200連結於馬達M之驅動軸131,將馬達M之驅動軸131之旋轉變換成氣缸111內部中活塞21之往返移動。 The shifting mechanism 200 has a connecting rod 210 and an eccentric member 220. The conversion mechanism 200 is coupled to the drive shaft 131 of the motor M, and converts the rotation of the drive shaft 131 of the motor M into a reciprocating movement of the piston 21 in the interior of the cylinder 111.
連接桿210係將活塞21與偏心構件220之間彼此連結。連接桿210具有與活塞21連接之第1端部211、以及與偏心構件220連接之第2端部212。第1端部211形成大致與活塞21同徑之圓形。於活塞21與第1端部211之間安裝圓板形狀之密封構件24。密封構件24之周緣部於氣缸111之內周面可滑接地彎曲至與幫浦室26側相反之一 側。 The connecting rod 210 connects the piston 21 and the eccentric member 220 to each other. The connecting rod 210 has a first end portion 211 connected to the piston 21 and a second end portion 212 connected to the eccentric member 220. The first end portion 211 is formed in a circular shape substantially the same diameter as the piston 21. A disk-shaped sealing member 24 is attached between the piston 21 and the first end portion 211. The peripheral portion of the sealing member 24 is slidably grounded on the inner circumferential surface of the cylinder 111 to one side opposite to the side of the pump chamber 26 side.
此外,在第1幫浦部11構成為加壓幫浦情況下,該密封構件24之周緣部彎曲至幫浦室26側。 Further, when the first pumping portion 11 is configured as a pressurizing pump, the peripheral portion of the sealing member 24 is bent to the side of the pump chamber 26.
連接桿210之第2端部212形成與偏心構件220嵌合之嵌合孔213。於嵌合孔213中安裝旋轉自如地支持偏心構件220之軸承B1。軸承B2構成可旋轉地支持馬達M之驅動軸131,固定於箱本體110。軸承B1、B2以具有內輪(內環)、外輪(外環)、以及封入內輪與外輪之間之複數個轉動體(球)之圓環狀球軸承所構成。 The second end portion 212 of the connecting rod 210 forms a fitting hole 213 that is fitted to the eccentric member 220. A bearing B1 that rotatably supports the eccentric member 220 is attached to the fitting hole 213. The bearing B2 constitutes a drive shaft 131 that rotatably supports the motor M, and is fixed to the case body 110. The bearings B1 and B2 are composed of an annular ball bearing having an inner ring (inner ring), an outer ring (outer ring), and a plurality of rotating bodies (balls) enclosed between the inner and outer wheels.
偏心構件220具有偏心軸221及配重222。偏心構件220藉由固定螺絲223固定於驅動軸131。 The eccentric member 220 has an eccentric shaft 221 and a weight 222. The eccentric member 220 is fixed to the drive shaft 131 by a fixing screw 223.
偏心軸221形成相對於驅動軸131之旋轉中心偏心。由於配重222係用來抵消連接桿210隨著驅動軸131之旋轉而繞著偏心軸221旋轉之際產生之振動之構件,因此,配置在相對於驅動軸131朝與偏心軸221之偏心方向相反之方向偏差之位置。 The eccentric shaft 221 is formed to be eccentric with respect to the center of rotation of the drive shaft 131. Since the weight 222 is used to cancel the vibration of the connecting rod 210 as it rotates around the eccentric shaft 221 as the drive shaft 131 rotates, it is disposed in an eccentric direction with respect to the drive shaft 131 toward the eccentric shaft 221. The position of the opposite direction deviation.
送風單元300具有風扇31及風扇蓋32。送風單元300構成利用風扇31旋轉,將外氣(空氣)導入幫浦箱100之內部,藉此冷卻運轉中之幫浦裝置1。 The air blowing unit 300 has a fan 31 and a fan cover 32. The blower unit 300 is configured to rotate by the fan 31 and introduce outside air (air) into the inside of the pump box 100, thereby cooling the pump device 1 in operation.
風扇31配置於送風口115,安裝在自偏心構件220突出之驅動軸131之端部131a。風扇31構成為與驅動軸131一體旋轉之空氣吸入用風扇。亦即,馬達M被用來作為旋轉風扇31之驅動源,與風扇31及風扇蓋32一起構成送風單元300之一部分。 The fan 31 is disposed at the air blowing port 115, and is attached to the end portion 131a of the drive shaft 131 that protrudes from the eccentric member 220. The fan 31 is configured as an air intake fan that rotates integrally with the drive shaft 131. That is, the motor M is used as a driving source of the rotary fan 31, and constitutes a part of the air blowing unit 300 together with the fan 31 and the fan cover 32.
此外,第2幫浦部12側亦具有與送風單元300相同之構造之送風單元,該送風單元之風扇亦構成為空氣吸入用風扇。藉此,可提高第2幫浦部12之冷卻效率。 Further, the second pumping unit 12 side also has a ventilation unit having the same structure as that of the air blowing unit 300, and the fan of the air blowing unit is also configured as an air suction fan. Thereby, the cooling efficiency of the second pumping portion 12 can be improved.
此外,如圖1所示,於第1及第2罩101、102形成通氣孔116a、116b。通氣孔116a朝罩外部排出自第1幫浦部11側之送風單元300所吸入之空氣,通氣孔116b朝罩外部排出自第2幫浦部12側之送風單元所吸入之空氣。 Further, as shown in FIG. 1, vent holes 116a and 116b are formed in the first and second covers 101 and 102. The vent hole 116a discharges the air taken in from the air blowing unit 300 on the first pumping portion 11 side toward the outside of the cover, and the vent hole 116b discharges the air taken in from the air blowing unit on the second pumping portion 12 side toward the outside of the cover.
[風扇蓋] [fan cover]
其次,詳細說明風扇蓋32。 Next, the fan cover 32 will be described in detail.
圖3係風扇蓋32之前視圖。圖4A係圖3中[A]-[A]線方向之剖面圖。圖4B係圖4A中之主要部分放大圖。圖5A係圖3中[B]-[B]方向之剖面圖。圖5B係圖5A中之主要部分放大圖。 3 is a front view of the fan cover 32. 4A is a cross-sectional view taken along line [A]-[A] of FIG. 3. Fig. 4B is an enlarged view of a main part of Fig. 4A. Figure 5A is a cross-sectional view taken along the line [B] - [B] in Figure 3. Fig. 5B is an enlarged view of a main part of Fig. 5A.
風扇蓋32具有外框33、複數個框架部34、以及複數個支持構件35。風扇蓋32例如以鋁合金等金屬材料之成型體所構成。風扇蓋32朝Y軸方向相對向於風扇31而安裝在送風口115。 The fan cover 32 has an outer frame 33, a plurality of frame portions 34, and a plurality of support members 35. The fan cover 32 is formed of a molded body of a metal material such as aluminum alloy. The fan cover 32 is attached to the air blowing port 115 with respect to the fan 31 in the Y-axis direction.
外框33構成具有大致與送風口115同徑之環狀,在相對向於風扇31之一側的面上具有可安裝於送風口115之周緣之環狀嵌合凹部33a。外框33藉由此內周側之緣部限定自送風口115之外部朝內部吸入之沿著Y軸方向之空氣的流路。 The outer frame 33 has an annular shape having a diameter substantially the same as that of the air blowing port 115, and has an annular fitting recess 33a attachable to the periphery of the air blowing port 115 on the surface facing the fan 31 side. The outer frame 33 defines a flow path for air taken in from the outside of the air supply port 115 toward the inside in the Y-axis direction by the edge portion on the inner peripheral side.
複數個框架部34係將藉由外框33所限定之空氣流路劃分成複數個區域。複數個框架部34之各個以配置在形成 於風扇蓋32之大致中央(朝Y軸方向相對向於驅動軸131之區域)之圓盤部36周圍之直徑不同之複數個環狀體所構成。亦即,各框架部34同心配置在與Y軸方向正交之方向之徑向。此外,由於各框架部34構成大小雖異形狀卻相同,因此,分別標示相同符號來說明。 The plurality of frame portions 34 divide the air flow path defined by the outer frame 33 into a plurality of regions. Each of the plurality of frame portions 34 is configured to be formed A plurality of annular bodies having different diameters around the disk portion 36 at substantially the center of the fan cover 32 (the region facing the drive shaft 131 in the Y-axis direction) are formed. That is, each frame portion 34 is concentrically arranged in the radial direction in the direction orthogonal to the Y-axis direction. In addition, since each frame part 34 has the same size and the same shape, the same reference numerals are attached to each.
圓盤部36係以朝幫浦裝置1之外側膨出之方式剖面形成凸狀,藉此,可降低通過圓盤部36之空氣之流動阻力。 The disk portion 36 is formed in a convex shape in a cross section so as to bulge toward the outer side of the pump device 1, whereby the flow resistance of the air passing through the disk portion 36 can be reduced.
相鄰之各框架部34朝徑向以大致等間隔配置,於各個之間形成作為空氣流路之一部分之開口部S。開口部S之徑向寬度限定成例如人的手指等無法***之寬度,於本實施形態中,約在5mm以下。 The adjacent frame portions 34 are arranged at substantially equal intervals in the radial direction, and an opening portion S as a part of the air flow path is formed between each. The radial width of the opening S is limited to a width in which, for example, a human finger cannot be inserted, and in the present embodiment, it is approximately 5 mm or less.
框架部34分別具有表面(第1面)341及內面(第2面)342。框架部34之表面341構成朝Y軸方向突出之凸狀。亦即,表面341具有通過徑向之大致中心部之頂部341a,以自頂部341a朝各開口部S傾斜之曲面所構成。此外,曲面可為球面,亦可為非球面,曲率亦未特別限定。 The frame portion 34 has a surface (first surface) 341 and an inner surface (second surface) 342, respectively. The surface 341 of the frame portion 34 constitutes a convex shape that protrudes in the Y-axis direction. That is, the surface 341 has a curved surface which is inclined from the top portion 341a toward the respective opening portions S by the top portion 341a of the substantially central portion in the radial direction. Further, the curved surface may be a spherical surface or an aspherical surface, and the curvature is not particularly limited.
另一方面,框架部34之內面342係構成朝Y軸方向相對向於表面341之凹狀。內面342具有通過徑向之大致中心部之底部342a,以自底部342a朝各開口部S傾斜之曲面所構成。內面342例如以與表面341之凸狀同心之曲面所構成。 On the other hand, the inner surface 342 of the frame portion 34 is formed in a concave shape facing the surface 341 in the Y-axis direction. The inner surface 342 has a bottom surface 342a that passes through a substantially central portion in the radial direction, and is formed by a curved surface that is inclined from the bottom portion 342a toward each of the opening portions S. The inner surface 342 is formed, for example, by a curved surface concentric with the convex surface 341.
框架部34配置成內面342相對向於風扇31。藉此,於幫浦裝置1運轉中通過第1幫浦部11側之風扇蓋32之空氣變成自表面341朝內面342流動。 The frame portion 34 is disposed such that the inner surface 342 faces the fan 31. As a result, the air passing through the fan cover 32 on the side of the first pumping portion 11 during the operation of the pump device 1 flows from the surface 341 toward the inner surface 342.
複數個支持構件35連接於外框33與複數個框架部34之間。亦即,複數個支持構件35分別支持複數個框架部34,將複數個框架部34連接至外框33。複數個支持構件35分別沿著徑向延伸,繞Y軸等間隔排列。亦即,自圓盤部36呈放射狀配置。 A plurality of support members 35 are coupled between the outer frame 33 and the plurality of frame portions 34. That is, the plurality of support members 35 respectively support the plurality of frame portions 34, and the plurality of frame portions 34 are connected to the outer frame 33. A plurality of support members 35 respectively extend in the radial direction and are equally spaced around the Y axis. That is, the disk portion 36 is radially arranged.
各支持構件35具有與複數個框架部34接合之複數個接合部350。由於支持構件35沿著徑向大致等間隔與複數個框架部34接合,因此,接合部350沿著徑向亦即支持構件35之延伸方向形成大致等間隔形成。 Each of the support members 35 has a plurality of joint portions 350 joined to the plurality of frame portions 34. Since the support members 35 are joined to the plurality of frame portions 34 at substantially equal intervals in the radial direction, the joint portions 350 are formed at substantially equal intervals in the radial direction, that is, the extending direction of the support members 35.
接合部350具有與框架部34之凸狀的表面341連續之凸部351、以及與框架部34之凹狀的內面342連續之凹部352。凸部351及凹部352分別以與框架部34之表面341及內面342相同形狀之曲面所構成。又,凸部351具有與框架部34之頂部341a連續之頂部351a。凹部352具有與框架部34之底部342a連續之底部352a。亦即,接合部350分別平滑地將框架部34之表面341及內面342與支持構件35之表面及內面連接,以構成表面341及內面342之曲面朝圓周方向連續之方式形成。 The joint portion 350 has a convex portion 351 continuous with the convex surface 341 of the frame portion 34 and a concave portion 352 continuous with the concave inner surface 342 of the frame portion 34. The convex portion 351 and the concave portion 352 are each formed of a curved surface having the same shape as the surface 341 and the inner surface 342 of the frame portion 34. Further, the convex portion 351 has a top portion 351a continuous with the top portion 341a of the frame portion 34. The recess 352 has a bottom 352a that is continuous with the bottom 342a of the frame portion 34. That is, the joint portion 350 smoothly connects the surface 341 and the inner surface 342 of the frame portion 34 to the front surface and the inner surface of the support member 35, respectively, so that the curved surfaces of the surface 341 and the inner surface 342 are formed to be continuous in the circumferential direction.
風扇蓋32進一步具有安裝部37、一對卡止部38、及一對固定部39。 The fan cover 32 further has a mounting portion 37, a pair of locking portions 38, and a pair of fixing portions 39.
安裝部37形成於外框33之一部分,構成可與形成在送風口115之一部分的係合部115a係合。一對卡止部38一體形成於外框33之一部分,構成可卡止於形成在箱本體110之送風口115附近之卡止孔117(圖1)。一對固定部39 一體形成於外框33之一部分,分別具有螺合於送風口115之螺絲118(圖1)所插通之螺孔391。 The attachment portion 37 is formed in one portion of the outer frame 33, and is configured to be coupled to the engagement portion 115a formed at one of the air blowing ports 115. The pair of locking portions 38 are integrally formed in one portion of the outer frame 33, and are configured to be engageable with the locking holes 117 (FIG. 1) formed in the vicinity of the air blowing port 115 of the box body 110. a pair of fixing portions 39 One portion of the outer frame 33 is integrally formed, and has a screw hole 391 through which the screw 118 (FIG. 1) screwed to the air supply port 115 is inserted.
安裝部37、卡止部38及固定部39之形成位置未特別限定,於本實施形態中,在圖3中,安裝部37形成於風扇蓋32之最下部,卡止部38及固定部39分別形成在與Z軸對稱之風扇蓋32之上部位置。安裝部37、卡止部38及固定部39之形狀、個數等未特別限定,例如,卡止部38亦可依需要省略。 The position at which the attachment portion 37, the locking portion 38, and the fixing portion 39 are formed is not particularly limited. In the present embodiment, in FIG. 3, the attachment portion 37 is formed at the lowermost portion of the fan cover 32, and the locking portion 38 and the fixing portion 39 are formed. They are respectively formed at positions above the fan cover 32 that is symmetrical with the Z axis. The shape, the number, and the like of the attachment portion 37, the locking portion 38, and the fixing portion 39 are not particularly limited. For example, the locking portion 38 may be omitted as needed.
如以上構成之風扇蓋32以金屬材料之成型體構成。成形法可為模壓法、鑄模法及其他成型法。金屬材料例如採用鋁或其合金,但亦可採用鐵、不銹鋼、銅或其合金、鎂或其合金、以及其他金屬材料。 The fan cover 32 configured as above is formed of a molded body of a metal material. The forming method can be a molding method, a molding method, and other molding methods. The metal material is, for example, aluminum or an alloy thereof, but iron, stainless steel, copper or an alloy thereof, magnesium or an alloy thereof, and other metal materials may also be used.
風扇蓋32利用成型法形成,藉此可容易且同時形成例如形成凸狀的表面341及凹狀的內面342之框架部34、以及凸部351與凹部352所形成之支持構件35,而可提高生產性。 The fan cover 32 is formed by a molding method, whereby the frame portion 34 forming the convex surface 341 and the concave inner surface 342, and the support member 35 formed by the convex portion 351 and the concave portion 352 can be easily and simultaneously formed, but Improve productivity.
又,由於風扇蓋32係金屬製,因此,可提高耐熱性及機械強度。進一步由於傳熱特性亦高,因此,可提高幫浦箱100之散熱性。 Moreover, since the fan cover 32 is made of metal, heat resistance and mechanical strength can be improved. Further, since the heat transfer characteristics are also high, the heat dissipation of the pump box 100 can be improved.
[第2幫浦部] [The 2nd Ministry]
第2幫浦部12如同第1幫浦部11之構成。第2幫浦部12與第1幫浦部11同時藉由共通的馬達M驅動。驅動軸131亦延伸至第2幫浦部12側,且連結於第2幫浦部12之偏心軸(圖示省略)。 The second pumping department 12 is like the composition of the first pumping department 11. The second pumping unit 12 and the first pumping unit 11 are simultaneously driven by a common motor M. The drive shaft 131 also extends to the second pumping portion 12 side and is coupled to the eccentric shaft of the second pumping portion 12 (not shown).
於本實施形態中,第1幫浦部11及第2幫浦部12以不同的相位被驅動。例如,各幫浦部11、12之偏心軸設定成,當第1幫浦部11之活塞21位於上死點時,第2幫浦部12之活塞位於下死點。又,安裝於第2幫浦部12之風扇蓋如同安裝於第1幫浦部11之風扇蓋32,配置成框架部34之內面342相對向於風扇。 In the present embodiment, the first pumping portion 11 and the second pumping portion 12 are driven at different phases. For example, the eccentric shafts of the respective pump portions 11, 12 are set such that when the piston 21 of the first pumping portion 11 is at the top dead center, the piston of the second pumping portion 12 is at the bottom dead center. Further, the fan cover attached to the second pumping portion 12 is attached to the fan cover 32 of the first pumping portion 11, and is disposed such that the inner surface 342 of the frame portion 34 faces the fan.
[幫浦裝置之動作] [Action of the pump device]
其次,說明如以上構成之本實施形態之幫浦裝置1之動作。在此,以第1幫浦部11之作用為中心加以說明。 Next, the operation of the pump device 1 of the present embodiment configured as above will be described. Here, the operation of the first pumping unit 11 will be mainly described.
藉由馬達M之驅動,偏心軸221沿著具有對應自驅動軸131之偏心量之半徑之圓周,繞驅動軸131公轉。連結於偏心軸221之連接桿210係將驅動軸131之旋轉變換成氣缸111內部中活塞21之往返移動。亦即,活塞21一邊於氣缸111內部朝圖2中X軸方向搖動,一邊朝Z軸方向往返移動。藉此,利用幫浦室26之吸氣及排氣交互進行,獲得第1幫浦部11之既定真空排氣作用。 By the driving of the motor M, the eccentric shaft 221 revolves around the drive shaft 131 along a circumference having a radius corresponding to the eccentric amount of the self-driving shaft 131. The connecting rod 210 coupled to the eccentric shaft 221 converts the rotation of the drive shaft 131 into a reciprocating movement of the piston 21 in the interior of the cylinder 111. In other words, the piston 21 reciprocates in the Z-axis direction while shaking inside the cylinder 111 in the X-axis direction in FIG. 2 . Thereby, the intake and exhaust of the pump chamber 26 are alternately performed, and the predetermined vacuum exhausting action of the first pumping portion 11 is obtained.
於幫浦裝置1之驅動時,各幫浦部之風扇31與驅動軸131一體旋轉。藉此,幫浦裝置1之幫浦箱100外部之空氣通過風扇蓋32而被吸入幫浦箱100內部。然後,空氣通過形成於風扇蓋32之框架部34之間之複數個開口部S,自各幫浦部之送風口115被吸入第1罩101及第2罩102內。被吸入之空氣一邊與驅動中之馬達M等熱交換,一邊自通氣孔116a、116b排出。 When the pump device 1 is driven, the fan 31 of each pump portion rotates integrally with the drive shaft 131. Thereby, the air outside the pump box 100 of the pump device 1 is sucked into the inside of the pump box 100 through the fan cover 32. Then, the air passes through the plurality of openings S formed between the frame portions 34 of the fan cover 32, and is sucked into the first cover 101 and the second cover 102 from the air outlets 115 of the respective pump portions. The air to be sucked is discharged from the vent holes 116a and 116b while being exchanged with heat by the motor M or the like being driven.
在此,於圖6中顯示習知構造之風扇蓋中之框架部之 構造例,作為比較例。圖6係比較例之風扇蓋40之主要部分剖面圖,其顯示形成複數個開口部Sa之框架部41之一部分。比較例之風扇蓋40係以板金之沖切處理等製作。框架部41之表面411及內面412以與Y軸方向正交之平面構成。此種形態之框架部41因妨礙通過開口部Sa之氣流而增高開口部Sa之流路阻力。藉此,空氣之吸入效率降低,馬達M之冷卻效率降低。進而,因風扇蓋40而導致空氣亂流,容易發生風切聲。 Here, the frame portion in the fan cover of the conventional configuration is shown in FIG. A structural example is shown as a comparative example. Fig. 6 is a cross-sectional view showing a main portion of a fan cover 40 of a comparative example, showing a part of a frame portion 41 in which a plurality of openings Sa are formed. The fan cover 40 of the comparative example is produced by punching treatment of sheet metal or the like. The surface 411 and the inner surface 412 of the frame portion 41 are formed in a plane orthogonal to the Y-axis direction. The frame portion 41 of such a shape increases the flow path resistance of the opening portion Sa by obstructing the air flow passing through the opening portion Sa. Thereby, the suction efficiency of the air is lowered, and the cooling efficiency of the motor M is lowered. Further, the air is turbulent due to the fan cover 40, and wind-cutting sound is likely to occur.
相對於此,本實施形態之幫浦裝置1之風扇蓋32由於框架部34之表面341以自頂部341a朝開口部S傾斜之凸狀的曲面而形成,因此在空氣朝表面341流動之際,發生自頂部341a沿著該傾斜面之氣流。藉此,開口部S之流路阻力較比較例之風扇蓋40更為降低,空氣之吸入效率更加提高。藉此,馬達M及其周邊之幫浦箱100之冷卻效率提高,可實現幫浦裝置1之長壽命化及動作之穩定化。 On the other hand, in the fan cover 32 of the pump device 1 of the present embodiment, since the surface 341 of the frame portion 34 is formed by a curved curved surface which is inclined from the top portion 341a toward the opening portion S, when the air flows toward the surface 341, An air flow occurs from the top portion 341a along the inclined surface. Thereby, the flow path resistance of the opening S is lower than that of the fan cover 40 of the comparative example, and the air suction efficiency is further improved. As a result, the cooling efficiency of the motor M and the pump box 100 around it is improved, and the life of the pump device 1 and the operation can be stabilized.
又,由於在本實施形態之風扇蓋32中,相對向於風扇31之內面342形成凹狀,因此,誘導沿著風扇31之旋轉方向之空氣移動,藉此,可抑制亂流之發生,減低風切聲。 Further, since the fan cover 32 of the present embodiment is formed in a concave shape with respect to the inner surface 342 of the fan 31, the air movement in the rotation direction of the fan 31 is induced, whereby the occurrence of turbulence can be suppressed. Reduce the wind cut.
進而,風扇蓋32之支持構件35具有與框架部34接合之接合部350與框架部34之凸狀的表面341及凹狀的內面342連續而形成之凸部351及凹部352。因此,框架部34之表面341及內面342與支持構件35之間未形成高低差,藉此,可抑制接合部350中之壓力變動,提高防止發生風切聲之效果。又由於複數個框架部34以環狀框體構成,因 此,朝風扇31之旋轉方向移動之氣流被有效率地誘導,藉此,可對防止發生風切之有大的貢獻。 Further, the support member 35 of the fan cover 32 has a convex portion 351 and a concave portion 352 which are formed by the joint portion 350 joined to the frame portion 34 and the convex surface 341 of the frame portion 34 and the concave inner surface 342. Therefore, the height difference between the surface 341 and the inner surface 342 of the frame portion 34 and the support member 35 is not formed, whereby the pressure fluctuation in the joint portion 350 can be suppressed, and the effect of preventing the wind cut sound from being generated can be enhanced. Further, since the plurality of frame portions 34 are formed by a ring-shaped frame, Thus, the airflow moving in the direction of rotation of the fan 31 is efficiently induced, whereby a large contribution to the prevention of wind cutting can be achieved.
進而,本實施形態之風扇蓋32係外框33、框架部34及支持構件35等以一體形成之金屬材料之成型體構成。藉此,可容易製作具有既定曲面之框架部34及支持構件35。又,相較於例如藉由金屬線之熔接等製作之情形,可提高生產性。 Further, the fan cover 32 of the present embodiment is configured by a molded body of a metal material integrally formed of the outer frame 33, the frame portion 34, the support member 35, and the like. Thereby, the frame portion 34 and the support member 35 having a predetermined curved surface can be easily produced. Further, productivity can be improved as compared with, for example, production by welding of metal wires or the like.
進一步由於風扇蓋32以鋁等金屬材料形成,因此,相較於以同程度之厚度之樹脂等成型體所形成之情形,可更提高強度。因此,可達到風扇蓋32之薄形化,可抑制材料費,低成本製作。 Further, since the fan cover 32 is formed of a metal material such as aluminum, the strength can be further improved as compared with the case where a molded body such as a resin having the same thickness is formed. Therefore, the thinness of the fan cover 32 can be achieved, the material cost can be suppressed, and the production can be performed at low cost.
[實施例] [Examples]
製作直徑約130mm,具有約13000mm2之表面積之風扇蓋,作為本實施形態之實施例。實施例之風扇蓋之開口率約40%。另一方面,準備圖6所示之構造,亦即框架部之表面以平面構成之風扇蓋,作為比較例。比較例之風扇蓋亦如同實施例,直徑約130mm,具有約13000mm2之表面積,開口率約40%。分別適用其作為本實施形態之構造之幫浦裝置之送風單元,測定在50kPa之壓力下120分鐘的運轉後氣缸表面之溫度上昇量。 A fan cover having a diameter of about 130 mm and having a surface area of about 13,000 mm 2 was produced as an example of the present embodiment. The opening ratio of the fan cover of the embodiment is about 40%. On the other hand, a structure shown in Fig. 6 was prepared, that is, a fan cover having a flat surface on the surface of the frame portion as a comparative example. The fan cover of the comparative example, like the embodiment, has a diameter of about 130 mm, a surface area of about 13,000 mm 2 and an opening ratio of about 40%. The air blowing unit which is the pump device of the structure of the present embodiment is applied, and the temperature rise amount of the cylinder surface after the operation for 120 minutes under a pressure of 50 kPa is measured.
結果,於適用本實施形態之風扇蓋之幫浦裝置中,相較於比較例之幫浦裝置,氣缸之溫度上昇降低約0.9K(℃),馬達之溫度上昇降低約3K(℃)。由此結果確認本實施形態之風扇蓋32可在不改變開口面積下,抑制冷卻效率 之低下。 As a result, in the pump device to which the fan cover of the present embodiment is applied, the temperature rise of the cylinder is lowered by about 0.9 K (° C.), and the temperature rise of the motor is lowered by about 3 K (° C.) as compared with the pump device of the comparative example. From this result, it was confirmed that the fan cover 32 of the present embodiment can suppress the cooling efficiency without changing the opening area. Low.
在此,氣缸之溫度上昇導致活塞之密封構件之磨損、繞偏心軸安裝之軸承之劣化,亦攸關幫浦裝置本身之壽命。實際上,當可降低氣缸表面之溫度上昇約0.9K時,根據發明人等之試算,確認幫浦裝置之壽命拉長約6%。亦即,根據根據本實施形態之風扇蓋32,亦可對幫浦裝置1之長壽化有所貢獻。 Here, the temperature rise of the cylinder causes the wear of the sealing member of the piston, the deterioration of the bearing mounted around the eccentric shaft, and the life of the pump device itself. In fact, when the temperature rise of the cylinder surface can be lowered by about 0.9 K, it is confirmed by the inventors' calculation that the life of the pump device is elongated by about 6%. That is, according to the fan cover 32 according to the present embodiment, it is possible to contribute to the longevity of the pump device 1.
以上雖然對本發明之實施形態加以說明,但本發明不限於此,可根據本發明之技術思想,作各種變化。 Although the embodiments of the present invention have been described above, the present invention is not limited thereto, and various changes can be made in accordance with the technical idea of the present invention.
例如,於以上實施形態中,雖然以構成幫浦裝置1之送風單元300之風扇蓋32作為風扇蓋舉例說明,但本發明亦可適用於幫浦裝以外之其他送風單元中的風扇蓋。 For example, in the above embodiment, the fan cover 32 constituting the air blowing unit 300 of the pump device 1 is exemplified as a fan cover. However, the present invention is also applicable to a fan cover in other air blowing units than the pump.
又,於以上實施形態中,雖然說明框架部34之表面341為曲面,但不限於此,剖面形狀亦可例如為梯形狀。此外,亦可構成剖面形狀呈以頂部341a作為一頂點之三角形狀。 Further, in the above embodiment, the surface 341 of the frame portion 34 is described as a curved surface. However, the surface 341 is not limited thereto, and the cross-sectional shape may be, for example, a trapezoidal shape. Further, the cross-sectional shape may be a triangular shape having the top portion 341a as a vertex.
於以上實施形態中,雖然說明複數個框架部34以形成同心圓狀之環狀體構成,但不限於此,亦可例如排列成格子狀。於此情況下,用以連接複數個框架部於外框之支持構件可省略,複數個框架部亦可直接支持於外框。 In the above embodiment, the plurality of frame portions 34 are configured to form a concentric annular body. However, the present invention is not limited thereto, and may be arranged in a lattice shape, for example. In this case, the support member for connecting the plurality of frame portions to the outer frame may be omitted, and the plurality of frame portions may be directly supported by the outer frame.
又,框架部34不限於設置複數個之情形,亦可僅以單數構成。於此情況下,框架部可形成為如交互變化延伸方向之矩形波、三角波之波形,亦可形成為在平面內捲繞成螺旋狀之螺旋形狀。 Further, the frame portion 34 is not limited to a plurality of cases, and may be constituted by only a single number. In this case, the frame portion may be formed in a rectangular wave or a triangular wave such as an alternating direction of extension, or may be formed in a spiral shape spirally wound in a plane.
又,於以上實施形態中,雖然說明吸氣口114a及排氣口114b為通用於第1及第2幫浦部11、12之構造,但不限於此,第1及第2幫浦部11、12亦可具有個別之吸氣口、排氣口。 In addition, in the above embodiment, the intake port 114a and the exhaust port 114b are configured to be common to the first and second pumping portions 11 and 12, but the first and second pumping portions 11 and 12 are not limited thereto. It can also have individual suction and exhaust ports.
進而,於以上實施形態中,雖然使用幫浦裝置1之馬達M於風扇31之旋轉驅動源,卻亦可裝配馬達M以外之馬達作為風扇31之旋轉驅動源。 Further, in the above embodiment, the motor M of the pump device 1 is used as the rotational drive source of the fan 31, but a motor other than the motor M may be mounted as the rotational drive source of the fan 31.
進而,於以上實施形態中,雖然構成第2幫浦部12側之送風單元之風扇構成為空氣吸入用風扇,卻亦可將該風扇構成為空氣排出用風扇。於此情況下,安裝於第2幫浦部12之風扇蓋與安裝於第1幫浦部11之風扇蓋32相反,配置成框架部之表面相對向於風扇。於上述構造中,自第1罩101之送風口115所吸氣之空氣通過第3罩103內,自形成於第2罩102之送風口115排出。如此,亦可藉由於幫浦箱100內形成單向氣流,有效率地冷卻幫浦裝置1。 Further, in the above embodiment, the fan constituting the air blowing unit on the side of the second pumping portion 12 is configured as an air intake fan, but the fan may be configured as an air discharging fan. In this case, the fan cover attached to the second pumping portion 12 is opposite to the fan cover 32 attached to the first pumping portion 11, and is disposed such that the surface of the frame portion faces the fan. In the above configuration, the air taken in from the air blowing port 115 of the first cover 101 passes through the third cover 103 and is discharged from the air blowing port 115 formed in the second cover 102. Thus, the pump device 1 can be efficiently cooled by forming a unidirectional air flow in the pump box 100.
本發明之風扇蓋不限於搖動活塞型幫浦之送風單元,同樣亦可適用於具有風扇之其他幫浦裝置。亦可進一步廣泛用來作為空調室外機等其他電氣製品之風扇蓋。 The fan cover of the present invention is not limited to the air supply unit of the rocking piston type pump, and is also applicable to other pump devices having a fan. It can also be widely used as a fan cover for other electrical products such as air conditioner outdoor units.
32‧‧‧風扇蓋 32‧‧‧Fan cover
33‧‧‧外框 33‧‧‧Front frame
33a‧‧‧環狀嵌合凹部 33a‧‧‧Ring fitting recess
34‧‧‧框架部 34‧‧‧Framework
36‧‧‧圓盤部 36‧‧‧Disc
341‧‧‧表面 341‧‧‧ surface
342‧‧‧內面 342‧‧‧ inside
Claims (6)
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JP2012130430A JP6021141B2 (en) | 2012-06-08 | 2012-06-08 | Pump device |
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TW201407042A TW201407042A (en) | 2014-02-16 |
TWI529304B true TWI529304B (en) | 2016-04-11 |
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KR (1) | KR101489068B1 (en) |
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KR102024566B1 (en) * | 2017-11-17 | 2019-09-24 | 엘지전자 주식회사 | Local ventilation equipment |
KR20210080800A (en) | 2019-12-23 | 2021-07-01 | 삼성전자주식회사 | Air conditioner |
JP7391002B2 (en) * | 2020-10-22 | 2023-12-04 | 三菱電機株式会社 | Electric motor |
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JP2667461B2 (en) * | 1988-08-23 | 1997-10-27 | 株式会社日立製作所 | Air conditioner and blower protection guard |
JPH08247097A (en) * | 1995-03-09 | 1996-09-24 | Toshiba Ave Corp | Fan guard |
JPH09303828A (en) * | 1996-05-17 | 1997-11-28 | Mitsubishi Heavy Ind Ltd | Air conditioner |
CN1246595C (en) * | 1999-11-29 | 2006-03-22 | 托马斯工业股份有限公司 | Pump housing |
JP3982181B2 (en) * | 2001-01-29 | 2007-09-26 | ダイキン工業株式会社 | Fan guard for blower unit |
JP3931624B2 (en) * | 2001-10-29 | 2007-06-20 | 三菱電機株式会社 | Blower grill and air conditioner |
JP2003214372A (en) | 2002-01-21 | 2003-07-30 | Myotoku Ltd | Rotary vane-type vacuum pump |
JP4253618B2 (en) * | 2004-06-10 | 2009-04-15 | ヤンマー株式会社 | Fan guard |
GB2426556B (en) * | 2005-05-17 | 2010-06-09 | Thomas Industries Inc | Pump improvements |
JP2009085562A (en) * | 2007-10-03 | 2009-04-23 | Yanmar Co Ltd | Fan guard |
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JP2013253573A (en) | 2013-12-19 |
CN103486089B (en) | 2016-06-29 |
TW201407042A (en) | 2014-02-16 |
JP6021141B2 (en) | 2016-11-09 |
CN103486089A (en) | 2014-01-01 |
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