WO2011124005A1 - 一种发电机组的冷却结构 - Google Patents
一种发电机组的冷却结构 Download PDFInfo
- Publication number
- WO2011124005A1 WO2011124005A1 PCT/CN2010/002003 CN2010002003W WO2011124005A1 WO 2011124005 A1 WO2011124005 A1 WO 2011124005A1 CN 2010002003 W CN2010002003 W CN 2010002003W WO 2011124005 A1 WO2011124005 A1 WO 2011124005A1
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- WO
- WIPO (PCT)
- Prior art keywords
- area
- top cover
- generator
- hot air
- engine
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P2001/005—Cooling engine rooms
Definitions
- the present invention relates to a cooling structure of a generator set. Background technique
- the water-cooled engine group requires sufficient cold air to cool the various bird heating parts of the generator set, such as the engine cylinder head, crankcase, permanent magnet generator and electronic components, while meeting the increasing environmental protection requirements. Therefore, the overall requirement is that the appearance is beautiful, the pollution is low, the energy consumption is low, and the space utilization rate is low.
- the closed configuration means that the functional components of the generator set are placed in a closed cabinet, so that the relatively complicated air duct system can be used to meet the heat dissipation requirements of the generator set, and the environmental protection can also be met.
- Requirements and aesthetics but the manufacturing cost is relatively high, the commodity price is high, the production process is more complicated, and it is not suitable for mass production.
- the genset cooling structure generally adopts a fully enclosed cooling ventilating cavity, that is, the cooling hood and the cooling ventilating hood are used to integrally integrate the engine, the generator, the exhaust pipe, and the muffler. Inclusive, the cooling air sucked in by the cooling fan cools the entire surface of the upper part, and then exits the cavity through the exhaust groove. There are not many joints of such cooling structure, and the cooling ventilating cavity formed is easier to ensure the sealing requirements, but it cannot guarantee the heat generation of the power generation group (such as the engine cylinder, the engine bottom oil shell, the permanent magnet generator, the electronic components). ) Fully cooled. SUMMARY OF THE INVENTION !
- the object of the present invention is to overcome the deficiencies in the prior art and to provide a genset cooling structure that can effectively cool a 3 ⁇ 4 motor unit, ensure high-efficiency operation of the engine, and stable operation of electronic components.
- the genset cooling structure includes an engine, a permanent magnet generator, an electronic component mounting box and a control system installed in a closed casing, and the engine includes an engine 3 ⁇ 4 flywheel casing and a flywheel disk.
- the control system comprises a control cabinet and an output cabinet, and the closed chassis is separated into upper and lower layers by the top cover connecting board, and the lower space of the closed chassis is divided into the working area and the heat exchange area by the water tank partition.
- the engine, motor, electronic component installation box and control system are installed in the working area of the unit.
- the upper space of the enclosed chassis is divided into a hot air zone and a cold air zone by a top partition, and the cooling fan is arranged on the water tank partition, the working area of the unit.
- Connected to the heat exchange area through a cooling fan, heat exchange The area and the hot air area are connected through the hot air hole, and the hot air generated in the working area of the unit is discharged outside the unit through the heat exchange area and the hot air area, and the cold air area and the working area of the unit are connected through the cold air hole, and the cold air enters the working area of the unit through the cold air area.
- the engine, the generator, and the electronic component mounting box are installed on the same 3 ⁇ 4 flat line in the working area of the unit, and the control system is mounted on the electronic component mounting box.
- a top cover partition is provided in the cold air zone, and a ventilation gap is provided between the bottom end portion of the top cover partition and the top cover connecting plate.
- the cold air zone has a reduced cross-sectional shape from its inlet end to its outlet end.
- An air deflector disposed obliquely is disposed in the hot air region and at the top end portion of the corresponding hot air hole.
- An air intake grille is provided on the enclosed cabinet, and the bottom edge of the air inlet grille is disposed on the closed chassis above the bottom end of the top cover partition.
- a surface of the top cover connecting plate in the hot air zone is provided with a blocking plate, and a gap exists between the blocking plate and the top cover partition.
- the present invention has the following advantages over the prior art:
- the structure of the invention is simple, compact and reasonable; the cooling fan of the engine is used to drive the internal air circulation of the unit to cool the high temperature components (electronic components, permanent magnet generators, engines), and the electronic components and the permanent magnet generators are targeted. After cooling, the cooling air is exchanged in the heat exchange zone and then exits the cavity through the hot air zone of the top cover. Therefore, the cooling of the engine block of the cooling structure is reasonable, and the components of the engine group with high heat generation can be effectively cooled, and the engine is realized. The group's high efficiency cooling. ' Description of the drawings
- FIG. 1 is a schematic view of the overall structure of the present invention.
- FIG. 2 is a schematic view of the present invention and the flow direction of hot and cold air.
- FIG. 3 is a schematic view showing the structure of the upper portion of the cover connecting plate of the present invention.
- FIG. 5 is an exploded view of the present invention with the enclosed chassis removed. detailed description
- the present invention mainly consists of a top cover baffle 1, a top cover baffle 3, a hot air hole 4, a wind guide 5, an air intake grille 7, a baffle plate 8, an exhaust louver 9, and a closed type.
- the sealing sponge 306, the electronic component mounting box 400, the mounting box 401, the electronic component 402, the electronic component mounting board 403, the control system 500, the control cabinet 501, and the output cabinet 502 are configured.
- the cooling structure of the genset includes an engine 200 installed in the enclosed cabinet 100, a permanent magnet generator 300, an electronic component mounting box 400, and a control system 500.
- the engine 200 includes an engine flywheel 201, a flywheel 202, Cooling fan 203, cooling water tank 204, muffler 205 and crankcase 206
- permanent magnet generator 300 includes generator stator 301, generator rotor 302, fan block 303, motor fan 304, fan cover 305 and sealing sponge 306, electronics
- the component mounting box 400 includes a mounting box 401, an electronic component 402 and an electronic component mounting board 403, and the control system includes a control cabinet 501 and the output cabinet 502, the closed chassis 100 is separated into two upper and lower layers by the top cover connecting plate 160, and the lower space of the closed chassis 100 is divided by the water tank partition 180 into a unit working area B1 and a heat exchange area B2, wherein The machine 200, the generator 300, the electronic component mounting box 400 and the control system 500 are installed in the unit working area B1, and the upper space
- the heat exchange zone ⁇ 2 and the hot zone ⁇ 2 are connected through the hot air hole 4, and the hot air generated in the working area B1 of the unit passes through the heat exchange zone ⁇ 2, and the hot air zone ⁇ 2 is discharged outside the unit through the exhaust ventilator 9 .
- the genset cooling structure of the invention has a cold air inlet and a hot air outlet at the top of the generator set, which can effectively isolate the noise of the generator set, effectively reduce noise pollution and improve the sound insulation effect.
- the engine 200, the generator 300, and the electronic component mounting box 400 are mounted on the same horizontal line within the unit operation B1, and the control system 500 is mounted on the electronic component mounting box 400.
- the manner of installation is smooth, and the cooling wind energy cools the various components in the enclosed cabinet 100 step by step, first cooling the electronic components 402 in the electronic component mounting box 400, cooling the generator 300, and finally cooling the engine 200.
- a cover flap 1 is disposed in the cold air zone A1, and a bottom air gap between the bottom end of the top cover baffle 1 and the top cover plate 160 has a ventilation gap, and the top cover baffle 1 can block the noise inside the generator set.
- External radiation effectively reduces noise pollution and improves sound insulation; the height of the air intake partition is reasonable, taking into account the comfort of airflow and the shielding of noise.
- a wind deflecting plate 5 is disposed at an inclined end of the corresponding hot air hole 4, and the wind plate 5 can reduce the thermal aerodynamic energy loss entering the hot air chamber of the top cover, thereby improving the cooling effect.
- the air intake grille 7 of the cold air zone A1 and the side of the exhaust grille 9 disposed in the hot air zone A2 are disposed on opposite sides, which can effectively prevent thermal cycling and have a good cooling effect.
- the upper surface of the top cover connecting plate 1 in the hot air zone A2 is provided with a blocking plate 8, and there is a gap between the baffle plate 8 and the top cover baffle 3, and the baffle plate 8 can reinforce the strength of the top cover.
- the entire enclosed cabinet 100 in the unit is divided into nine assembly parts: a chassis 110, a front panel 120, a rear cover 130, a left side panel 140, a right side panel 150, a top cover connection panel 160, and a top cover 170.
- the water tank partition 180 is: 3 ⁇ 4 service door 190.
- the left side plate 140 and the right side plate 150 are fixed on the left and right support beams of the chassis 110, and then the water tank partition 1_0, the front cover 120 and the rear cover 130 are connected to the left side plate 140 and the right side plate 150, and are installed.
- the lower space of the sealed enclosure 100 is divided into a unit work area B1 and a heat exchange area B2.
- the top cover connecting plate 160 is then mounted on the side plate 140, the right side plate 150, the front cover 120, and the rear cover 130.
- the top cover 170 separates the hot air area A1 of the cold air area A1 through the top cover partition 3, and fixes the top cover 170 to the top cover connecting plate 160, and the unit is installed.
- the cold air passes through the cold zone A1 of the top cover, and then enters the unit working area B1 through the cold air hole 6 on the top cover connecting plate 160, and some cold air enters the unit working area B1 through the front cover 12', and enters the cold air of the unit working area B1.
- the cooling fan 203 on the engine 200 drives the heat exchange through the radiator 204 to enter the heat exchange zone cooling muffler.
- the wind carrying heat of the unit working area B1 enters the top through the hot air hole 4 on the top cover connecting plate 160.
- the hot air zone A2 of the cover 170 exits the unit.
- the inlet and exhaust of the entire 43 ⁇ 4 cabinet are smooth, so that the electronic components, permanent magnet generators and engine in the unit working area B1 can be stabilized.
- the whole structure is simple and the internal space is large, the sound absorbing material with more force attached to the inner surface members of each assembly is used to reduce noise, and because of the large internal space, the noise generated by the engine is generated in the cabinet! : Reduce the effect.
- the whole cabinet structure is simple and effective, and the space is large.
- the production and assembly process of the whole machine is simple and can be mass-produced.
- the inlet and exhaust of the cabinet are unobstructed, which can ensure the ventilation of the closed space in the cabinet.
- the noise reduction effect is obvious, because the space utilization of the cabinet can make the tank volume in the same model of the same power larger, and the unit noise is low.
- the engine 200 is an in-line water-cooled engine including an engine casing 06, a flywheel casing 201, and a flywheel disk 202 that are assembled together.
- the engine has a horizontal crankshaft coupled to the flywheel disk 202, and the motor wind 304, fan pad 303, and generator rotor 302 are coupled to the flywheel disk 202 by fasteners.
- the motor hood 305 and the generator stator 301 are mounted on the flange face in front of the flywheel housing 201.
- the electronic component mounting box 400 is fixed to the front of the motor hood 305, and the space between the motor hood 305 and the electronic component mounting box 401 is sealed by a sealing sponge 306, and only the electronic component mounting box 401 and the motor hood are retained. Ventilation channel of 305.
- the electronic component 402 is fixed to the electronic component mounting board 403, and the electronic component mounting board 403 is fixed to the front end surface of the electronic component mounting box 401.
- the engine 200, the permanent magnet generator 300, and the electronic component mounting box 400 are on the same water.
- the generator rotor 302 and the motor fan 304 are driven to rotate, and the rotating motor fan passes the machine iE as the front end cold air of the zone B1 from the vent hole on the electronic component mounting plate to cool the electronic component and then enters the installation box, and the secondary cooling i
- the air passage between the installation box and the motor hood enters the permanent magnet generator to cool the generator rotor and the generator stator, and is most discharged through the vent hole in the lower part of the motor hood and the vent hole on the flywheel housing into the rear end of the working area B1.
- the cold air of the genset enters a group of working areas B1 from the cold air area A1 and the front cover 120 of the top cover 170, is driven by the cooling fan 203 of the engine 200 into the heat exchange area B2, and finally enters the hot air area A2. .
- the cooling structure is ventilated smoothly, and the electronic components 402, the permanent magnet generator 300, and the engine 20Q can be taken away in time.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Cooling System (AREA)
Description
一种发电机组的冷却结构 技术领域
[0001 ] 本发明涉及一种发电机组的冷却结构。 背景技术
[0002] 水冷式发动机组,要求有足够多冷空气冷却发电机组的各个禽发热部分如发动机 缸头、曲轴箱体、永磁发电机与电子元件等,同时又要满足日益提高的环保要求,故要求整 体具有外观美观、污染少、能耗低、空间利用率髙等特点。
[0003] 在本发明做出以前,现有的发电机组的整体配置中,采用两种配置方式:
[0004] 一、开架式配置,这样可以最大限度的满足发电机组的散热要求,制造成本低廉, 但是不能满足污染环境指标的要求;
[0005] 二、封闭式配置即把发电机组的各个功能性组件置于一个封闭的机柜内,这样可 以通过比较复杂的风道系统,达到发电机组的散热要求,而且也可以满足人们对环保的要 求和审美观,但是制造成本比较高昂,商品价格高,生产工艺比较复杂,不太适用于大批量 生产。
[0006] 在现在市场的封闭式发电机产品中的箱式发电机中就注意到了这些要求,如整个 动力和发电机单元被完全的封闭,他们都采用了比较复杂的风道系统来墙强整个机组的散 热,采用了大容量的不规则几何外型的消声器来降低噪音的排放等措施。 ;:但是同上所述有 时这些结构都会加大整机的外观尺寸和重量,使得机型在相同的机械性能的条件下变的比 较笨重,在各种人性化的环境中放置变的比较困难等。
[0007] 再者在己有技术中,发电机组冷却结构通常是采用全包围式冷却通风腔,即用冷 却风罩和冷却通风腔导风罩把发动机、发电机、排气管、消声器整体的 包容,通过冷却风 扇吸进的冷却风对上所述部件全表面进行冷却,后通过排气槽排出腔外。 此种冷却构造结 合面不多,所构成的冷却通风腔较易保证密封要求,但无法保证对发电 組发热量大的地 方(如发动机气缸周围、发动机底部油壳、永磁发电机、电子元件)进行充分冷却。 发明内容 ! ή
[0008] 本发明的目的是克服现有技术中存在的不足,提供一种可以对 ¾电机组进行有效 冷却、保证发动机的高效率运转及电子元件的稳定运行的发电机组冷却^构。
[0009] 按照本发明提供的技术方案,所述发电机组冷却结构,包括在封闭式机箱内安装 的发动机、永磁发电机、电子元件安装箱与控制系统,发动机包括发动机 ¾飞轮壳、飞轮盘、 冷却风扇、冷却水箱、消声器与曲轴箱体,永磁发电机包括发电机定子、发: 机转子、风扇垫 块、电机风扇、风扇罩与密封海绵,电子元件安装箱包括安装箱、电子元 与电子元件安装 板,控制系统包括控制柜与输出柜,封闭式机箱由顶盖连接板分隔成上下 层空间,封闭式 机箱的下层空间由水箱隔板分隔成机组工作区与热交换区,所述发动机、 电机、电子元件 安装箱与控制系统安装在机组工作区内,封闭式机箱的上层空间由顶尊隔板分隔成热风区 与冷风区,冷却风扇设置在水箱隔板上,机组工作区与热交换区通过冷却风扇连通,热交换
区与热风区通过热风孔连通,机组工作区内产生的热风经热交换区、热风 '区排出机组外,冷 风区与机组工作区通过冷风孔连通,冷风经冷风区进入机组工作区内。 '
[0010] 发动机、发电机、电子元件安装箱安装在机组工作区内的同一! ¾平线上,控制系统 安装在电子元件安装箱上。 '
[001 1 ] 在冷风区内设有顶盖隔板,顶盖隔板的底端部与顶盖连接板之间具有通气空隙。
[0012] 所述冷风区由其进口端向其出口端呈截面缩小形状。
[0013] 在热风区内、对应热风孔顶端部设有倾斜设置的导风板。
[0014] 在封闭式机箱上设有进风隔栅,所述进风隔栅底端边缘设置在)!应顶盖隔板的底 端部上方的封闭式机箱上。
[0015] 在热风区内的顶盖连接板上表面设有阻挡板,所述阻挡板与顶盖隔板之间存在间 隙。 :、
[0016] 本发明与现有技术相比具有如下优点:
[0017] 本发明结构简单、紧凑、合理;使用发动机的冷却风扇驱动机组内部空气流通从而 冷却高温部件(电子元件、永磁发电机、发动机),并对电子元件及永磁发电机进行针对性 冷却,冷却风在热交换区进行热交换后通过顶盖热风区排出腔外,因此该冷却结构 发动 机组的冷却较为合理,能保证对发动机组发热量大的部件进行有效冷却 Ϊ实现了对发动机 组的高效率冷却。 ' 附图说明
[0018] 图 1是本发明的整体结构示意图。
[0019] 图 2是本发明以及冷热风流向示意图。
[0020] 图 3是本发明处于 盖连接板以上部位结构示意图。
[0021 ] 图 4是本发明的分解图。
[0022] 图 5是本发明除去封闭式机箱后的分解图。 具体实施方式
[0023] 下面结合具体附图和实施例对本发明作进一步说明。
[0024] 如图所示,本发明主要由顶盖挡板 1、顶盖隔板 3、热风孔 4、导风 5、进风隔栅 7、 阻挡板 8、排风隔栅 9、封闭式机箱 100、底盘 110、前盖板 120、后盖板 13^、左侧板 140、右 侧板 150、顶盖连接板 160、顶盖 170、水箱隔板 180、维修门 190、发动机 00、发动机飞轮 壳 201、飞轮盘 202、冷却风扇 203、冷却水箱 204、消声器 205、发动机箱 : 206、永磁发电机 300、发电机定子 301、发电机转子 302、风扇垫块 303、电机风扇 304、风扇 305、密封海绵 306、电子元件安装箱 400、安装箱 401、电子元件 402、电子元件安装板 403、控制系统 500、控 制柜 501与输出柜 502等部件构成。
[0025] 该发电机组的冷却结构,包括在封闭式机箱 100内安装的发动机 200、永磁发电机 300、电子元件安装箱 400与控制系统 500,发动机 200包括发动机飞轮^ 201、飞轮盘 202、 冷却风扇 203、冷却水箱 204、消声器 205与曲轴箱体 206,永磁发电机 300包括发电机定子 301、发电机转子 302、风扇垫块 303、电机风扇 304、风扇罩 305与密封海绵 306,电子元件安 装箱 400包括安装箱 401、电子元件 402与电子元件安装板 403,控制系 ^'500包括控制柜
501与输出柜 502,封闭式机箱 100由顶盖连接板 160分隔成上下两层空间,封闭式机箱 100 的下层空间由水箱隔板 180分隔成机组工作区 B1与热交换区 B2,所述^ 机 200、发电机 300、电子元件安装箱 400与控制系统 500安装在机组工作区 B1内,封闭式机箱 100的上层 空间由顶盖隔板 3分隔成热风区 A2与冷风区 A1,冷却风扇 203设置在水箱隔板 180上,机 组工作区 B1与热交换区 B2通过冷却风扇 203连通,冷风区 A1与机组 ΐ作区 B1通过冷风 孔 6连通,冷风经冷风区 A1进入机组工作区 B1内,热交换区 Β2与热 区 Α2通过热风孔 4 连通,机组工作区 B1内产生的热风经热交换区 Β2、热风区 Α2通过排风隔栅 9排出机组外。 本发明的发电机组冷却结构将冷风进口与热风出口设置在发电机组的顶部,可以有效地将 发电机组噪音隔离,有效降低噪声污染,提髙隔音效果。
[0026] 发动机 200、发电机 300、电子元件安装箱 400安装在机组工作 B1内的同一水平 线上,控制系统 500安装在电子元件安装箱 400上。该方式安装方式通风顺畅,使冷却风能 逐级冷却封闭式机箱 100内的各个部件,首先冷却电子元件安装箱 400内的电子元件 402 后再冷却发电机 300,最后再冷却发动机 200。
[0027] 在冷风区 A1内设有顶盖挡板 1,顶盖挡板 1的底端部与顶盖连 ¾板 160之间具有 通气空隙,顶盖挡板 1能够阻挡发电机组内部噪音向外辐射,有效降低噪声污染,提高隔音 效果;进气隔板的高度设计合理,兼顾了气流通过的舒畅性和阻隔噪音的屏蔽性。
[0028] 在热风区 Α2内、对应热风孔 4顶端部设有倾斜设置的导风板 5, ''·风板 5可以使进 入顶盖热风室的热气动能损失减小,提高冷却效果。
[0029] 所述冷风区 A1的进气格栅 7与热风区 A2内的排气格栅 9设置¾相对的侧面上, 可以有效防止热循环,冷却效果好。
[0030] 在热风区 A2内的顶盖连接板 1上表面设有阻挡板 8,所述阻铛板 8与顶盖隔板 3 之间存在间隙,阻挡板 8可以加强顶盖的强度。 '
[0031 ] 本机组中整个封闭式机箱 100分成九个总成部件:底盘 110、前羞板 120、后盖板 130、左侧板 140、右侧板 150、顶盖连接板 160、顶盖 170、水箱隔板 180以: ¾维修门 190。 将 左侧板 140及右侧板 150固定在底盘 110的左右支梁上,再将水箱隔板 1«0、前盖板 120和 后盖板 130连接左侧板 140、右侧板 150,安装完后水箱隔板 180就将封 ¾式机箱 100的下 层空间分成机组工作区 B1和热交换区 B2。再将顶盖连接板 160安装 侧板 140、右侧板 150,前盖板 120、后盖板 130上。 顶盖 170通过顶盖隔板 3将冷风区 A1 热风区 A2隔开, 将顶盖 170固定在顶盖连接板 160上,机组安装完毕。冷风经过顶盖的冷 l区 A1 ,再经过顶 盖连接板 160上的冷风孔 6进入机组工作区 B1,部分冷风经过前盖板 12 '进入机组工作区 B 1,进入机组工作区 B1的冷风由发动机 200上的冷却风扇 203驱使经过散热器 204进行 热交换后进入热交换区 冷却消声器,经过热交换后,机组工作区 B1的 风携带热量通过 顶盖连接板 160上的热风孔 4进入顶盖 170的热风区 A2排出机组。整 4¾柜的进、排气顺 畅,从而使机组工作区 B1内的电子元件、永磁发电机和发动机能够稳定 ^作。
[0032] 因为整个结构简单、内部空间大可在各个总成的内表面构件附力较多的吸音材料 用来降低噪音,又因内部空间大,对发动机产生的噪音在机柜里产生二!:降低效果。整个机 柜结构简单有效利用空间大,整机的生产和装配工艺简单,可大批量生产。 机柜进、排气通 畅,可保证柜内密闭空间的单位时间内的通气量。降噪效果明显,因为柜 空间利用率髙可 使得其在同样功率同样机型中的油箱容积较大,机组噪音低。 ':
[0033] 发动机 200是直列式水冷发动机,包括装配在一起的发动机箱体 06、飞轮壳 201、 飞轮盘 202。 发动机有一个水平的曲轴与飞轮盘 202相连接,电机风 304、风扇垫块 303 以及发电机转子 302通过紧固件连接到飞轮盘 202上。 电机风罩 305及发电机定子 301装 在飞轮壳 201前面的法兰面上。 电子元件安装箱 400固定在电机风罩 305的前面,在电机 风罩 305与电子元件安装箱 401之间用密封海绵 306将两者间的空间密封,仅保留电子元 件安装箱 401与电机风罩 305的通风道。 电子元件 402固定在电子元件安装板 403上,电 子元件安装板 403固定在电子元件安装箱 401的前端面上。 '
[0034] 发动机 200、永磁发电机 300、电子元件安装箱 400在同一条水^ ^上。发动机 200 运转时驱动发电机转子 302及电机风扇 304旋转,旋转的电机风扇将机 iE作区 B1前端冷 风从电子元件安装板上的通气孔先冷却电子元件后进入安装箱,次冷却 i|通过安装箱与电 机风罩间的通风道上进入永磁发电机冷却发电机转子与发电机定子,最 if通过电机风罩下 部的通气孔及飞轮壳上的通气孔排入工作区 B1后端。
[0035] 以上的各零件组装完成后就组成了发电机组 1000的完整的冷去系统。
[0036] 下面对该冷却系统的性能进行分析:
[0037] 发电机组的冷风分别从顶盖 170的冷风区 A1及前盖板 120进入 1组工作区 B1,由 发动机 200的冷却风扇 203驱使进入热交换区 B2,最后进入热风区 A2排 ¾外界。该冷却结 构通风顺畅,能及时的带走电子元件 402、永磁发电机 300及发动机 20Q,,散出的热量。
Claims
1. 一种发电机组的冷却结构,包括在封闭式机箱(100) 内安装的发动机(200)、永磁 发电机(300)、电子元件安装箱(400)与控制系统(500),发动机(200)包括发动机飞轮壳
(201)、飞轮盘(202)、冷却风扇(203)、冷却水箱 (204)、消声器 (205)与曲轴箱体(206), 永磁发电机(300)包括发电机定子(301)、发电机转子(302)、风扇垫块(303)、电机风扇
(304)、风扇罩(305)与密封海绵(306),电子元件安装箱(400)包括安装箱(401)、电子元 件(402)与电子元件安装板(403) ,控制系统(500)包括控制柜(501)与输出柜(502),其 特征是:封闭式机箱(100)由顶盖连接板(160)分隔成上下两层空间,封闭式机箱(100)的 下层空间由水箱隔板(180)分隔成机组工作区(B1)与热交换区(B2),所述发动机(200)、 发电机(300)、电子元件安装箱(400)与控制系统(500)安装在机组工作区(B1)内,封闭式 机箱(100)的上层空间由顶盖隔板(3)分隔成热风区 (Λ2)与冷风区(A1) ,冷却风扇(203) 设置在水箱隔板(180)上,机组工作区(B 1)与热交换区(B2)通过冷却风扇(203)连通, 热交换区(B2)与热风区(A2)通过热风孔(4)连通,机组工作区(B1)内产生的热风经热交 换区(B2)、热风区(A2)排出机组外,冷风区(A1)与机组工作区(B1)通过冷风孔(6)连通, 冷风经冷风区(A1)进入机组工作区(B1)内。
2. 如权利要求 1所述的一种发电机组的冷却结构,其特征是:发动机(200)、发电机 (300)、电子元件安装箱(400)安装在机组工作区(B1)内的同一水平线上,控制系统(500) 安装在电子元件安装箱(400)上。 1
3.如权利要求 1所述的一种发电机组的冷却结构,其特征是:在冷风区(A1)内设有顶 盖挡板(1),顶盖挡板(1)的底端部与顶盖连接板(160)之间具有通气空 '隙。
4.如权利要求 1所述的一种发电机组的冷却结构组,其特征是:所述冷风区(A1)由其 进口端向其出口端呈截面缩小形状。
5.如权利要求 1所述的一种发电机组的冷却结构,其特征是:在^^区(A2)内、对应 热风孔(4)顶端部设有倾斜设置的导风板(5)。 "
6. 如权利要求 1所述的一种发电机组的冷却结构,其特征是:在封 i¾式机箱(100)上 设有进风隔栅(7) ,所述进风隔栅(7)底端边缘设置在对应顶盖隔板(3) 底端部上方的封 闭式机箱 (100)上。
7.如权利要求 1所述的一种发电机组的冷却结构,其特征是:在热风 fe (A2)内的顶盖 连接板(160)上表面设有阻挡板(8),所述阻挡板(8)与顶盖隔板(3)之 存在间隙。
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CN101825015A (zh) * | 2010-04-06 | 2010-09-08 | 无锡开普动力有限公司 | 一种静音发电机组顶盖总成结构 |
JP2016226115A (ja) * | 2015-05-28 | 2016-12-28 | 三菱電機株式会社 | 発電装置 |
CN106089418B (zh) * | 2016-08-08 | 2019-03-22 | 无锡法尔胜悦能动力有限公司 | 双机组共用底盘式静音柴油发电机组 |
CN108223118A (zh) * | 2017-12-25 | 2018-06-29 | 泰豪科技股份有限公司 | 一种全封闭双循环冷却箱式发电机组 |
CN112814805B (zh) * | 2020-12-31 | 2022-07-08 | 重庆鼎工机电有限公司 | 用于变频发电机的动力总成 |
CN114320687B (zh) * | 2022-01-17 | 2023-07-04 | 深圳市聚能优电科技有限公司 | 一种燃料装置 |
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