WO2011091575A1 - 一种发电机组进风端罩结构 - Google Patents

一种发电机组进风端罩结构 Download PDF

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Publication number
WO2011091575A1
WO2011091575A1 PCT/CN2010/002006 CN2010002006W WO2011091575A1 WO 2011091575 A1 WO2011091575 A1 WO 2011091575A1 CN 2010002006 W CN2010002006 W CN 2010002006W WO 2011091575 A1 WO2011091575 A1 WO 2011091575A1
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Prior art keywords
air
end plate
plate
generator set
inlet end
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PCT/CN2010/002006
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English (en)
French (fr)
Inventor
肖亨琳
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无锡开普动力有限公司
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Publication of WO2011091575A1 publication Critical patent/WO2011091575A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air

Definitions

  • the present invention relates to a wind inlet end cover structure of a generator set, in particular to an end cover of a silent generator set that functions as an air inlet and sound insulation, and belongs to the technical field of air flow control components. Background technique
  • a conventional generator set usually adopts a straight-through air inlet or a complicated air inlet; the former opens an air intake grille on the genset housing, and the cold air passes through the air intake on the housing.
  • the grille directly enters the inside of the generator set for cooling.
  • the straight-through intake grille has no barrier to the external cold air, the cold air can be smoothly entered into the unit, but the noise of the internal combustion engine can also be unobstructed through the intake grille.
  • the external radiation of the unit causes 1 ⁇ 2 tone pollution; the latter surrounds the intake grille with a complex bellows on the genset housing.
  • the complicated bellows allows cold air to enter the unit.
  • the inside is not smooth, so that the flow of cold air is low, reducing the cooling effect on the unit.
  • the straight-through grille does not prevent rainwater from entering the unit from the grille. Summary of the invention
  • the object of the present invention is to overcome the above-mentioned deficiencies, and to provide an air inlet end cover structure capable of effectively blocking the internal radiation of the generator set from external radiation and rainwater.
  • a genset air inlet end shield structure includes an end cover, a sound absorbing layer, and a rain plug, the end cover includes an end body, and the end body includes an end plate;
  • An air intake grille is respectively disposed on the left and right sides of the end plate; the lower end and the left and right ends of the end plate are respectively provided with end plate circular holes, and a fixing plate is fixed on the rear side i of the end plate; the end plate
  • the edge of the end cover is inwardly convex to form a cover wall; the inner side of the end cover is provided with a bellows surrounding the air intake grille, the wind box comprises a box body and a partition plate, and the partition plate is connected to the box body, and the left and right sides of the bellows are respectively respectively respectively
  • An air guiding chamber is disposed: an air outlet is disposed in the middle of the wind box; a partition is disposed between the air outlet and the air inlet grille; and a lower portion of the box connected
  • the outer side of the circular hole of the end plate is provided with a waterproof plug, and the waterproof plug completely covers the round hole of the end plate.
  • the sound absorbing layer is attached to the inner side of the box body of the end cover.
  • the outer side of the box cover is provided with a layer, and the sound absorbing layer can effectively absorb the internal noise of the generator set.
  • the intake grille is a long waist hole arranged horizontally.
  • the fixed plate is a ⁇ -shaped structure, and the middle is provided with a long waist round hole, and the center of the long waist hole of the fixed plate coincides with the center of the circular hole of the end plate.
  • the lowest surface of the lower end of the air induction chamber is flush with the lowest surface of the air intake grille.
  • the present invention is provided on the inner side of the end cover with a bellows surrounding the air intake grille, the wind box acts as a sound absorber, and the noise in the generator set is transmitted from the air intake grille after being separated by the sound of the wind box. Effectively reduce unit noise to external radiation.
  • the part where the bellows is connected to the intake grille is a slope structure, which prevents rainwater from entering the inside of the unit from the intake grille.
  • a sound absorbing layer is arranged on the inner side of the end cover and the outer side of the bellows, which can effectively absorb the internal noise of the generator set.
  • the intake end cover is connected to the generator set through the fixed plate, and the fixed plate is concavely placed inside the circular hole of the end plate, so that the bolt is not exposed on the surface of the unit.
  • C0012] 5 A rain plug is arranged on the outside of the round hole of the end body to completely block the round hole to prevent zero water from entering the inside of the generator set through the round hole.
  • FIG. 1 is a schematic view of the front side equiaxed side of the present invention.
  • FIG. 2 is a schematic view of the rear side isometric side of the present invention.
  • FIG. 3 is a schematic top view of the present invention.
  • FIG. 4 is a schematic view showing the equiaxed side of the rear side of the sound absorbing layer of the present invention.
  • FIG. 5 is a front elevational view of the present invention.
  • FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 5.
  • FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5.
  • FIG. 8 is a cross-sectional view taken along line C-C of FIG. 5.
  • FIG. 9 is an enlarged schematic view of FIG.
  • FIG. 10 is a schematic view of the equiaxed side of the bellows.
  • FIG. 11 is a schematic view of the equiaxed side of the end plate.
  • FIG. 12 is a schematic view of the equiaxed side of the set plate.
  • FIG. 13 is an exploded perspective view of the present invention.
  • the present invention is composed of an end cover 10, an end body 100, a sound absorbing layer 200, and a rain plug 300.
  • the end cover 10 is composed of an end body 100 and a wind box 20, wherein the end is formed.
  • the body 100 includes an end plate 11, a fixing plate 12, and a cover wall 13, wherein the bellows 20 includes a case 21 and a partition 22.
  • the lower end of the left and right sides of the end plate 11 are respectively provided with an intake grille T, and the intake grille is a horizontally arranged long waist hole, and the end plate 11 is front.
  • the side upper and lower left and right edges are respectively provided with end plate circular holes.
  • the edge of the end plate 11 is convexly formed inward to form a cover wall 13.
  • the end plate 11 and the cover wall 13 form a cover, compared with the single flat end plate 11, the cover Both the strength and the rigidity are increased, and the cover wall 13 can be welded to the end plate 11, but it is preferably integrally formed by punching and folding the end plate 11;
  • the fixing plate 12 has a U-shaped structure, and the middle is provided with a long waist round hole P,
  • the fixing plate 12 is fixed on the rear side surface of the end plate 11, and the center of the long waist hole P of the fixing plate 12 coincides with the center of the circular hole K of the end plate 11.
  • the wind box 20 includes a box body 21 and a partition plate 22, and the partition plate 22 is connected to the box body 21.
  • the left and right side lower ends of the bellows 20 are respectively provided with an air guiding chamber 23, which is an air outlet M, and the air guiding chamber 23 surrounds the end plate.
  • the intake grill T of the air intake chamber 23 has a lowermost surface at the lower end of the air induction chamber 23 which is flush with the lowest surface of the intake grille, and a surface of the lower end of the air induction chamber 23 connected to the intake grill T is a slope structure, which prevents the structure. Li water enters the interior of the generator set through the intake grille.
  • a waterproof plug 300 is disposed on the end plate circular hole, and the waterproof plug 300 completely covers the end plate round hole, so that the fixing plate 12 is fixed.
  • the t-end cover is bolted to the generator set through the long waist hole P on the fixing plate 12. This structure can prevent the bolt from being exposed on the surface of the unit, preventing the outside. Air or rain damages the bolts and makes the unit more aesthetically pleasing.
  • a layer is provided on the inner side surface of the end cover 10 and the outer side surface of the bellows.
  • the sound absorbing layer 200 made of flexible microporous material can absorb the noise inside the generator set, and the intensity of the low noise radiated outward.
  • the air flow path of the present invention is as shown in FIG. 1.
  • the cold air enters the air induction chamber 23 of the wind box 20 from the air intake grille T of the end plate 11, and then enters the interior of the unit from the air outlet M of the wind box 20;
  • the noise is transmitted from the air intake grille after the sound insulation of the bellows, which can effectively reduce the noise of the unit to the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Motor Or Generator Frames (AREA)

Description

一种发电机组进风端罩结构 技术领域
[0001 ] 本发明涉及一种发电机组进风端罩结构，具体说是一种静音发电机组起进风隔音 作用的端罩，属于空气流动控制部件技术领域。 背景技术
[0002] 在已有技术中，传统的发电机组，通常采用直通式进气口或复杂 进气口；前者即 在发电机组壳体上开进气格栅,冷空气通过壳体上的进气格栅直接进入发电机组内部进行 冷却，直通式进气格栅虽然对外部冷空气无阻隔，可以使冷空气通畅的进 机组内部,但是 内燃机运转的噪音也可以不受遮拦通过进气格栅向机组外部辐射，造成, ½音污染；后者即 在发电机组壳体上用复杂的风箱包围进气格栅，虽然可以阻止内燃机运 的噪音向机组外 部辐射，但是复杂的风箱使冷空气进入机组内部不通畅，使冷空气的流 ^)^低，降低对机组 的冷却效果。 此外，直通式进气格栅不能防止雨水从进气格栅进入机组 ^部。 发明内容
[0003] 本发明的目的在于克服上述不足之处,从而提供一种能够有效地隔断发电机组内 部噪音向外辐射、防雨水的发电机组进风端罩结构。
[0004] 按本发明提供的技术方案，一种发电机组进风端罩结构包括端罩、吸音层、防雨 塞,所述的端罩包含端体，端体包含端板；特征是：所述端板左右两侧下 分别设有进气格 栅；所述端板上下端及左右端沿上分别设有端板圆孔，在端板的后侧面 i固定有固定板； 所述端板的边缘向内凸起形成罩壁；所述端罩内侧设置有包围进气格栅的风箱,所述风箱 包含箱体、隔板，隔板连接在箱体上,所述风箱左右侧下端分别设有引风室：所述风箱中间 设有出风口；所述出风口与进气格栅之间设有隔板；所述箱体与进气格栅相连接的下部为 斜坡结构。
[0005] 所述端板圆孔外侧设有防水塞,防水塞将端板圆孔完全覆盖。
[0006] 所述端罩的箱体内侧贴有吸音层。 所述端罩的箱体外侧贴有 层，吸音层可有 效地吸收发电机组内部噪音。所述进气格栅为水平布置的长腰孔。所述^定板为 ϋ型结构， 中间设由长腰圆孔，固定板长腰圆孔中心与端板圆孔中心重合。 所述引风室下端最低面与 进气格栅的最低面相平。
[0007] 本发明与已有技术相比具有以下优点 -
[0008] 1. 本发明在端罩内侧设置有包围进气格栅的风箱，风箱起隔声暉的作用，发电机 组内的噪音经过风箱的隔声后才从进气格栅传出，可以有效地降低机组噪音向外辐射。
[0009] 2. 风箱与进气格栅相连接的部位为斜坡结构，可以防止雨水从进气格栅进入机组 内部。
[0010] 3. 在端罩内侧及风箱外侧上均设有吸音层，可有效地吸收发电机组内部噪音。
[0011 ] 4.进气端罩通过固定板与发电机组连接，固定板凹置于端板圆孔内侧，可使螺栓 不裸露在机组表面。 C0012] 5.在端体圆孔的外部设置有防雨塞，可将圆孔完全封堵，防止零水通过圆孔进入 发电机组内部。 附图说明
[0013] 图 1为本发明前侧等轴侧示意图。
[0014] 图 2为本发明后侧等轴侧示意图。
[0015] 图, 3为本发明上视示意图。
[0016] 图 4为本发明去除吸音层后侧等轴侧示意图。
[0017] 图 5为本发明正视示意图。
[0018] 图 6为图 5的 A- A剖面示意图。
[0019] 图 7为图 5的 B-B剖面示意图。
[0020] 图 8为图 5的 C-C剖面示意图。
[0021 ] 图 9为图 5的 1放大示意图。
[0022] 图 10为风箱等轴侧示意图。
[0023] 图 11为端板等轴侧示意图。
[0024] 图 12为凼定板等轴侧示意图。
[0025] 图 13为本发明分解示意图。
[0026] 图 14为本发明装配在发电机组示意图。 具体实施方式
[0027] 下面本发明将结合附图中的一种具体实施例作进一歩描述：
[0028] 如图 1〜图 4所示，本发明由端罩 10、端体 100、吸音层 200、防雨塞 300组成,所述 的端罩 10由端体 100、风箱 20构成,其中端体 100包含端板 11、固定板 12、罩壁 13,其中风 箱 20包含箱体 21、隔板 22。
[0029] 如图 1、图 5〜图 12所示，所述端板 11左右两侧下端分别设有进气格栅 T,进气格 栅 ΐ为水平布置的长腰孔，端板 11前侧面上下左右边缘各设有端板圆孔^端板 11的边缘 向内凸起形成罩壁 13，端板 11与罩壁 13构成一个罩子，与单独的平板 的端板 11相比， 罩子的强度和刚度都有所增加，罩壁 13可以焊接在端板 11上，但最好 由端板 11冲压折 边后一体成型；固定板 12为 U型结构，中间设由长腰圆孔 P,固定板 12固定在端板 11的后 侧面上，固定板 12长腰圆孔 P中心与端板 11圆孔 K中心重合。 风箱 20.包含箱体 21、隔板 22,隔板 22连接在箱体 21上，风箱 20的左右侧下端各设有引风室 23， 间为出风口 M，引 风室 23包围着端板 11的进气格栅 T，引风室 23下端最低面与进气格栅 Ί ½最低面相平，并 且引风室 23下端与进气格栅 T相连接的面为斜坡结构，该结构可以防止 li水通过进气格栅 ΐ进入发电机组内部。
[0030] 如图 1、图 7、图 9、图 13、图 14所示，在端板圆孔 Κ上设有防水塞 300，防水塞 300 将端板圆孔 Κ完全覆盖，使固定板 12内置于端罩 10的端板后侧面上，进 t端罩通过固定板 12上的长腰圆孔 P由螺栓固定到发电机组上，该结构可以使螺栓不暴露¾机组表面上,可 防止外部空气或雨水对螺栓的侵蚀，并且使机组更美观。
[0031 ] 如图 2、图 3、图 6〜图 8、图 13所示，在端罩 10内侧面及风箱外侧面上设有一层由 柔性微孔材料制成的吸音层 200，可以对发电机组内部的噪音进行吸收，j|低噪音向外辐射 的强度。
[0032] 本发明空气流动途径如图 1所示,冷空气从端板 11的进气格栅 T进入风箱 20的 引风室 23，再从风箱 20的出风口 M进入机组内部；发电机组内的噪音经过风箱的隔声后从 进气格栅传出，可以有效地降低机组噪音向外辐射。

Claims

1.一种发电机组进风端罩结构，包括端罩（10)、吸音层（200)、防雨塞（300)，所述端罩 (10)包含端板 (11)；其特征是：所述端板 (11)左右两侧下端分别设有进气格栅 (T)；所述 端板（11)上下端及左右端分别设有端板圆孔（K)，在端板（11)的后侧面上固定有固定板 (12)；所述端板 (11)的边缘向内凸起形成罩壁 (13) ；所述端罩 (10) 内侧设置有包围进气 格栅 (T)的风箱（20) ,所述风箱 (20)包含箱体（21)、隔板（22)，隔板 (22)连接在箱体 (21) 上，所述风箱 (20)左右侧下端分别设有引风室 (23)；所述风箱 (20)中间设有出风口 (M)； 所述出风口 （M)与进气格栅（T)之间设有隔板（22)；所述箱体（21)与进气格栅（T)相连 接的下部为斜坡结构。
2. 如权利要求 1所述的一种发电机组进风端罩结构，其特征在于所述的端板圆孔（K) 外侧设有防水塞（300)，防水塞（300)将端板圆孔（K)完全覆盖。
3. 如权利要求 1所述的一种发电机组进风端罩结构，其特征在于所述进气格栅（T)为 水平布置的长腰孔。
4.如权利要求 1所述的一种发电机组进风端罩结构，其特征在于所述固定板（12)为 ϋ 型结构，中间设由长腰圆孔（Ρ) ,所述固定板 (12)长腰圆孔 (Ρ)中心与端板圆孔（Κ)中心重 Ρ、
5.如权利要求 1所述的一种发电机组进风端罩结构,其特征在于 述引风室（23)下端 最低面与进气格栅（Τ)的最低面相平。
6.如权利要求 1所述的一种发电机组进风端罩结构，其特征在于所述箱体（21)内侧贴 有吸音层（200)。
7.如权利要求 1所述的一种发电机组进风端罩结构，其特征在于所達的所述箱体（21) 外侧贴有吸音层（200)。
PCT/CN2010/002006 2010-01-28 2010-12-09 一种发电机组进风端罩结构 WO2011091575A1 (zh)

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