WO2015085669A1 - 新型风冷式车载汽油发电机 - Google Patents

新型风冷式车载汽油发电机 Download PDF

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Publication number
WO2015085669A1
WO2015085669A1 PCT/CN2014/070964 CN2014070964W WO2015085669A1 WO 2015085669 A1 WO2015085669 A1 WO 2015085669A1 CN 2014070964 W CN2014070964 W CN 2014070964W WO 2015085669 A1 WO2015085669 A1 WO 2015085669A1
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Prior art keywords
air
cooled
gasoline generator
engine assembly
disposed
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PCT/CN2014/070964
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English (en)
French (fr)
Inventor
蒋坚
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蒋坚
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Application filed by 蒋坚 filed Critical 蒋坚
Publication of WO2015085669A1 publication Critical patent/WO2015085669A1/zh

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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
    • F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
    • 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
    • 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 invention relates to a vehicle gasoline generator, in particular to a novel air-cooled vehicle gasoline power generation L. Background technique
  • Forced air-cooled generator sets require sufficient cold air to cool the various high-heating parts of the generator set, such as engine cylinder heads, crankcases, permanent magnet generators and mufflers, while meeting the increasing environmental 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 high.
  • Open frame configuration which can meet the heat dissipation requirements of the generator set to the utmost extent, and the manufacturing cost is low, but the low noise and environmental pollution indicators cannot be met.
  • the closed configuration that is, the functional components of the generator set are placed in a closed cabinet, so that the relatively complex air duct system can be used to meet the heat dissipation requirements of the generator set, and it can also satisfy people.
  • Environmental 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 internal independent cooling system is used, that is, the engine, magneto, muffler, cooling fan
  • the components are contained in a separate cooling air duct system, and then the entire cooling system is contained in the enclosed cabinet, which improves the shortcomings of the above two types of configuration, greatly improves the product's sex ratio, and satisfies people's environmental protection. And aesthetic requirements, and the production process is relatively simple Suitable for mass production.
  • the requirements for the cooling system of the whole machine are high, and it is necessary to combine the research and development of many disciplines such as modern computational fluid dynamics technology and heat transfer.
  • the genset cooling device usually adopts a fully enclosed cooling ventilating cavity, and the cooling wind is single-in and single-out, that is, the cooling hood and the cooling ventilating hood are used to set the cooling air to the above.
  • the entire surface of the part is cooled and then discharged outside the chamber through the venting groove.
  • the cooling ventilating cavity is easy to ensure the sealing requirements, but it can not guarantee sufficient heat to the engine, such as the engine cylinder, the snorkel, the engine oil tank and other parts of the engine, the cooling effect Not good.
  • the object of the present invention is to provide a novel air-cooled vehicle gasoline generator with low noise, low cooling cost and excellent cooling effect in view of the above problems.
  • a novel air-cooled on-board gasoline generator includes a chassis and an engine assembly, a muffler and a magnet assembly having a fan disposed in the chassis, and the method further includes:
  • a first air hood disposed coaxially with the engine assembly and connected to the first air inlet slot of the engine box;
  • a wind deflecting plate is disposed on the engine assembly and fixedly connected to the first air guiding cover;
  • a second air guiding hood coaxially disposed with respect to the other side of the first air guiding hood and the engine assembly, and fixedly connected to the other side of the engine assembly and the air guiding plate, the second air guiding
  • the cover includes a first portion and a second portion respectively accommodating the magneto motor assembly and the muffler, the first portion abutting a second air inlet slot formed on the chassis, the second portion having an opening communicating with the outside, the second portion
  • the muffler is further provided as a partition, a first guide baffle is disposed on a side thereof adjacent to the engine assembly, and a second guide baffle is disposed on the opposite side, the first guide baffle and the second guide partition
  • the plates are formed by the first portion extending obliquely toward the opening of the second portion.
  • the first guiding partition and the second guiding partition are isolated.
  • the area of the first air inlet trough is larger than the area of the second air inlet trough.
  • the bottom of the above-mentioned chassis is further provided with a ventilation slot.
  • the above engine assembly is further provided with a carburetor including a first stepping motor and a second stepping motor for respectively controlling the throttle and the choke.
  • a carburetor including a first stepping motor and a second stepping motor for respectively controlling the throttle and the choke.
  • the inner wall of the above-mentioned chassis is further covered with a sound absorbing material.
  • the inner bottom surface of the above-mentioned chassis is further provided with a shock absorbing foot.
  • the beneficial effects of adopting the above technical solutions are as follows:
  • the novel air-cooled on-board gasoline generator of the present invention combines modern computational fluid dynamics and heat transfer technology, and adopts two independent cooling air ducts respectively for the engine assembly with larger heat generation.
  • the magneto-motor assembly and the muffler are cooled, and the two cooling airs are reasonably isolated and do not interfere with each other.
  • the cooling air volume is increased, and on the other hand, the existing model cooling on the market is solved.
  • the problem of excessive engine temperature and excessive power loss caused by poor performance has effectively reduced the high-efficiency cooling of the engine and its power thermal attenuation, and the high-efficiency output of the magnetic motor, thus ensuring high-efficiency operation of the generator.
  • the well-sealed air duct also has good noise isolation effect, and the novel air-cooled vehicle gasoline generator of the present invention has simple structure for cooling and low cooling cost.
  • 1 is a schematic exploded view of the structure of a novel air-cooled vehicle gasoline generator of the present invention.
  • 2 is a general assembly diagram of a novel air-cooled vehicle gasoline generator of the present invention.
  • Figure 3 is a general assembly diagram of the internal independent system of the novel air-cooled on-board gasoline generator of the present invention.
  • Fig. 4 is a schematic view showing the internal structure of a second air guiding hood of the novel air-cooled vehicle gasoline generator of the present invention.
  • Fig. 5 is a schematic view showing the internal structure of a second air guiding hood of the novel air-cooled vehicle gasoline generator of the present invention.
  • FIG. 6 is a schematic diagram of the cooling wind direction of the novel air-cooled vehicle gasoline generator of the present invention.
  • FIG. 7 is a schematic diagram of the cooling wind direction of the novel air-cooled vehicle gasoline generator of the present invention, wherein the L chassis 1 1. the first air inlet slot 12. Second air inlet slot 13. Ventilation slot 14. Shock absorber foot 15. Support frame 2. Engine assembly 3. Muffler 4. Magnetic motor assembly 41. Fan 5. First air hood 6. Air deflector 7. Second air hood 71. First portion 72. The second step 721. The opening 722. The first guiding partition 723. The second guiding partition 8. The carburetor 81. The first stepping motor 82. As shown in FIG.
  • a first embodiment of a novel air-cooled vehicle gasoline generator includes a chassis 1 and an engine assembly 2 disposed in the chassis 1 and a muffler 3 having The magnet motor assembly 4 of the fan 4! and the frequency conversion module 9, the generator assembly 2 and the magneto motor assembly 4 are mounted on the support frame 15, and the frequency conversion module 9 is directly mounted on the cabinet!
  • the inner bottom surface may be connected by a known bolt connection or the like.
  • the generator further includes: a first air guiding cover 5 coaxially disposed with the engine assembly 2 and connected to the first air inlet of the chassis 1
  • the air deflector 6 is disposed on the engine assembly 2 and fixedly connected to the first air guiding cover 5, and the fixed connection manner may be a fixed connection known in the prior art such as screwing or snapping.
  • the second air hood 7 is coaxially disposed with the other side of the engine assembly 2 with respect to the first air hood 5, and is fixedly coupled to the other side of the engine assembly 2 and the air deflector 6,
  • the fixed connection manner may adopt a fixed connection manner known in the prior art such as screwing or snapping
  • the second air guiding cover 7 includes a first portion 71 and a second portion 72 respectively accommodating the magneto-motor assembly 4 and the muffler 3.
  • the first portion 71 abuts a second air inlet 12 formed in the chassis 1.
  • the second portion 72 has an opening 721 communicating with the outside.
  • the second portion 72 is further separated by a muffler 3, and is adjacent to the engine assembly therein.
  • One side of 2 is provided with a first guiding partition 722, and the other side is opposite A second guide partition 723 is disposed, and the first guide partition 722 and the second guide partition 723 are both disposed obliquely from the first portion 71 toward the opening 721.
  • the new air-cooled on-board gasoline generator combines modern computational fluid dynamics and heat transfer technology, and uses two independent cooling air ducts to cool the engine assembly, the magneto motor assembly and the muffler, which generate a large amount of heat. And the two cooling winds are reasonably isolated and do not interfere with each other.
  • the intake air volume of the cooling air is increased, and on the other hand, the engine temperature is too high due to the poor cooling effect of the existing models on the market,
  • the problem of excessive power loss has achieved an effective reduction of the engine's helium efficiency cooling and its power thermal attenuation, and the high-efficiency output of the magneto-motor, thus ensuring high-efficiency operation of the generator, and sealing the good air duct with good noise.
  • the isolation effect at the same time, the novel air-cooled on-board gasoline generator of the present invention is simple in structure for cooling and low in cooling cost.
  • the first guiding partition 722 and the second guiding partition 723 are isolated, and may be further The guiding effect on the cooling wind is well formed.
  • the area of the first air inlet slot 1 is larger than the area of the second air inlet slot 12, Two separate primary and secondary cooling winds are formed to enter the interior for cooling.
  • the bottom of the casing 1 is further provided with a ventilation slot 13 , which can directly communicate with the outside atmosphere. It can ensure that the bottom of the engine box can directly contact with the ambient air to achieve the effect of natural cooling, and at the same time can be the output of the engine lubricating oil.
  • the novel air-cooled vehicle gasoline power generation involved in the present invention is further provided with a carburetor 8 including a first stepping motor 81 and a second for respectively controlling its throttle and choke Stepper motor 82.
  • the first stepping motor 81 controls the carburetor throttle for precisely adjusting the fuel intake of the engine, improving the economy of the engine, and also improving the power of the engine.
  • the second boring motor 82 is used to control the carburetor.
  • the choke valve because the mechanical adjustment device of the manual choke is cancelled, achieves the purpose of remotely starting and stopping the generator set by remote control.
  • the inner bottom surface of the casing 1 is further provided with a shock absorbing leg 14 , specifically, the support frame 15 is placed. On top of that, and then other installations, the purpose of shock absorption can be achieved.
  • the inner wall of the casing is further covered with a sound absorbing material (not shown), and the sound absorbing material can be made of sound absorbing cotton or the like to further Reduce the purpose of noise.
  • the cooling air A enters from the first air inlet slot 1 1 to form a main cooling air, which first cools the frequency conversion module 9, and then enters the first air hood. 5, cooling the engine assembly 2 under the action of the air deflector 6, and then entering into the upper cavity formed by the first guiding partition 722 and the second guiding partition 723 in the second air guiding cover 7, After cooling the muffler 3, it is discharged from the opening 721; at the same time, the cooling air B is The fan 41 of the magneto-mechanical assembly 4 acts to mix the high-temperature gas inside a part of the chassis into the second air guiding hood 7, and after specifically cooling the magneto-motor assembly 4, enters the first-guide partition 722 and the The second guide partition 723 is discharged from the opening 721 after cooling the muffler 3 in the lower cavity formed in the second air hood 7.
  • the cooling air A cools the engine assembly 2, and then enters the upper chamber cooling muffler 3, while the cooling air B cools the magneto-motor assembly 4 after carrying the hot air in the part of the chassis 1 Then enter the lower cavity cooling muffler 3 for re-cooling the high temperature cavity of the muffler 3, the two cooling winds do not interfere with each other, and the two cooling airs are completely isolated to achieve an optimal cooling state.

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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 Frames (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

一种新型风冷式车载汽油发电机，包括机箱（1）、发动机总成（2）、消声器（3）、具有风扇（41）的磁电机总成（4）、第一导风罩（5）、导风板（6）和第二导风罩（7），该第二导风罩（7）包括分别容置磁电机总成（4）和消声器（3）的第一部分（71）和第二部分（72），该第二部分（72）以消声器（3）作为分隔，在其内部靠近发动机总成（2）的一侧设置有第一导向隔板（722）、相对的另一侧设置有第二导向隔板（723），该第一导向隔板（722）和第二导向隔板（723）均由第一部分（71）向第二部分（72）的开口（721）斜向布置。上述新型风冷式车载汽油发电机能够实现对发动机的高效冷却、降低功率热衰减并确保磁电机的高效输出。并且上述新型风冷式车载汽油发电机的结构简单、噪声隔离效果好且成本低廉。

Description

本发明涉及一种车载汽油发电机， 特别涉及一种新型风冷式车载 汽油发电 L。 背景技术
强制风冷式发电机組， 要求有足够多冷空气冷却发电机組的各个 高发热部分如发动机缸头、 曲轴箱体， 永磁发电机和消声器等， 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、 空间利用率高等特点。
现有的发电机組的整体配置中， 主要采用三种配置方式： 一、 开 架式配置， 这样可以最大限度的满足发电机組的散热要求， 制造成本 低廉， 但是不能满足低噪声和环境污染指标的要； 二、 封闭式配置， 即把发电机組的各个功能性組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， 达到发电机組的散热要求， 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； 三、 内部采用独立的冷 却系统， 即将发动机、 磁电机、 消声器、 冷却风扇等部件包容在一个 独立的冷却风道系统内部， 然后用封闭式机柜将整个冷却系统包容其 中， 改善了以上两种机型配置的缺点， 大大提高了产品的性伧比， 满 足了人们对环保和美观的要求， 而且生产工艺较简单， 适宜大批量生 产。 但是， 对于整机冷却系统要求较高， 要结合现代计算流体力学技 术、 传热学等多门学科研发试验。
另外， 在已有技术中， 发电机組冷却装置通常是采用全包围式冷 却通风腔， 冷却风单进单出， 即用冷却风罩和冷却通风腔导风罩把发 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 法保证对发动机发热量大的地方， 如发动机气缸周围、 棑气管、 发动 机底部油壳等部位的充分冷却， 冷却效果不佳。
本发明的目的就是针对上述问题， 提供一种噪音低、 冷却成本低 且具有优秀冷却效果的新型风冷式车载汽油发电机。
为了实现上述目的， 本发明提供了以下技术方案： 新型风冷式车 载汽油发电机， 包括机箱以及设置于该机箱内的发动机总成、 消声器 和具有风扇的磁电机总成， 其还包括：
第一导风罩， 其与上述发动机总成同轴设置并对接开设于上述机 箱上的第一进风槽；
导风板， 其包覆设置于上述发动机总成上并与上述第一导风罩固 定连接；
第二导风罩， 其相对于上述第一导风罩与上述发动机总成的另一 侧同轴设置、 并与上述发动机总成和导风板的另一側固定连接， 该第 二导风罩包括分别容置上述磁电机总成和消声器的第一部分和第二 部分， 该第一部分对接开设于上述机箱上的第二进风槽， 该第二部分 具有开口与外界连通， 该第二部分还以上述消声器作为分隔， 在其内 靠近上述发动机总成的一侧设置有第一导向隔板、 相对的另一側设置 有第二导向隔板， 该第一导向隔板和第二导向隔板都由第一部分向第 二部分的开口斜向延伸形成。
优选地， 上述的第一导向隔板和第二导向隔板呈孤形。
优选地， 上述的第一进风槽的面积大于上述第二进风槽的面积。 优选地， 上述的机箱的底部还设置有通风槽。
优选地， 上述的发动机总成上还设置有化油器， 该化油器包括用 于分别控制其节气门和阻风门的第一步进电机和第二步进电机。
优选地， 上述的机箱的内壁上还覆盖有吸音材料。
优选地， 上述的机箱的内底面还设置有减震脚。 采用以上技术方案的有益效果在于： 本发明的新型风冷式车载汽 油发电机结合现代计算流体力学和传热学技术， 采用了两个独立的冷 却风道分别对发热量较大的发动机总成、 磁电机总成和消音器等进行 冷却， 且两股冷却风作了合理的隔离， 互不干扰， 一方面加大了冷却 风的进风量， 另一方面解决了市场上现有机型冷却效果不佳而导致的 发动机温度过高、 功率损失过大的问题， 做到了对发动机的高效率冷 却及其功率热衰减的有效降低、 磁电机的高效输出， 从而保证发电机 的高效率运转， 密封良好的风道还有良好的噪声隔离效果， 同时本发 明的新型风冷式车载汽油发电机用于进行冷却的结构设置简单， 冷却 成本低。
图 1是本发明的新型风冷式车载汽油发电机的结构分解示意图。 图 2是本发明的新型风冷式车载汽油发电机的总装主图。
图 3是本发明的新型风冷式车载汽油发电机的内部独立系统的总 装主图。
图 4是本发明的新型风冷式车载汽油发电机的第二导风罩的内部 结构示意图 1。
图 5是本发明的新型风冷式车载汽油发电机的第二导风罩的内部 结构示意图 2。
图 6是本发明的新型风冷式车载汽油发电机的冷却风走向示意图 图 7是本发明的新型风冷式车载汽油发电机的冷却风走向示意图 其中， L机箱 1 1.第一进风槽 12.第二进风槽 13.通风槽 14。减震 脚 15.支撑架 2.发动机总成 3.消声器 4.磁电机总成 41.风扇 5.第一 导风罩 6.导风板 7.第二导风罩 71.第一部分 72。第二部分 721.开口 722.第一导向隔板 723.第二导向隔板 8.化油器 81.第一步进电机 82. 如图 1-5所示， 本发明所涉及的新型风冷式车载汽油发电机的第 —种实施方式中， 其包括机箱 1 以及设置于该机箱 1 内的发动机总成 2、 消声器 3、 具有风扇 4! 的磁电机总成 4和变频模块 9， 发电机总 成 2和磁电机总成 4安装于支撑架 15上， 变频模块 9直接安装于箱 体！ 的内底面上， 连接方式可以已知的螺栓连接等方式， 该发电机还 包括： 第一导风罩 5， 其与发动机总成 2同轴设置并对接开设于机箱 上 1 的第一进风槽 1 1 ; 导风板 6, 其包覆设置于发动机总成 2上并与 第一导风罩 5固定连接， 固定连接方式可以采用螺接、 卡接等现有技 术中已知的固定连接方式； 第二导风罩 7, 其相对于第一导风罩 5而 与发动机总成 2的另一侧同轴设置、 并与发动机总成 2和导风板 6的 另一侧固定连接， 固定连接方式可以采用螺接、 卡接等现有技术中已 知的固定连接方式， 该第二导风罩 7包括分别容置磁电机总成 4和消 声器 3的第一部分 71和第二部分 72,该第一部分 71对接开设于机箱 1上的第二进风槽 12, 该第二部分 72具有开口 721 与外界连通， 该 第二部分 72还以消声器 3作为分隔， 在其内靠近发动机总成 2的一 侧设置有第一导向隔板 722、 相对的另一侧设置有第二导向隔板 723 , 该第一导向隔板 722和第二导向隔板 723都由第一部分 71向开口 721 斜向布置。 本新型风冷式车载汽油发电机结合现代计算流体力学和传 热学技术， 采用了两个独立的冷却风道分别对发热量较大的发动机总 成、磁电机总成和消音器等进行冷却，且两股冷却风作了合理的隔离， 互不干扰， 一方面加大了冷却风的进风量， 另一方面解决了市场上现 有机型冷却效果不佳而导致的发动机温度过高、 功率损失过大的问 题, 做到了对发动机的髙效率冷却及其功率热衰减的有效降低、 磁电 机的高效输出， 从而保证发电机的高效率运转， 密封良 *的风道还有 良好的噪声隔离效果， 同时本发明的新型风冷式车载汽油发电机用于 进行冷却的结构设置简单， 冷却成本低。 如图 4-5所示， 本发明所涉及的新型风冷式车载汽油发电机的第 二种实施方式中， 上述的第一导向隔板 722和第二导向隔板 723呈孤 形， 可以更好地形成对冷却风的导向作用。
如图 1所示， 本发明所涉及的新型风冷式车载汽油发电机的第三 种实施方式中， 上述的第一进风槽 1 ! 的面积大于上述第二进风槽 12 的面积， 以形成两股主次分明的冷却风， 来进入内部进行冷却。
如图 1所示， 本发明所涉及的新型风冷式车载汽油发电机的第四 种实施方式中， 上述的机箱 1的底部还设置有通风槽 13 , 其可以直接 与外界大气相连通， 这样既可以保证发动机箱体底部可以直接与环境 空气接触来达到自然冷却的效果， 同时又可成为发动机润滑油的棑出 如图 1和 3所示， 本发明所涉及的新型风冷式车载汽油发电机的 第五种实施方式中， 上述的发动机总成 2上还设置有化油器 8， 该化 油器 8 包括用于分别控制其节气门和阻风门的第一步进电机 81和第 二步进电机 82。 第一步进电机 81控制化油器节气门， 用于精确调节 发动机的进油量， 提高发动机的经济性， 同时也提高了发动机的动力 性， 第二歩进电机 82 用于控制化油器阻风门， 因取消了手动阻风门 的机械调节装置， 从而达到了可远距离遥控启停发电机組的目的。
如图 1所示， 本发明所涉及的新型风冷式车载汽油发电机的第六 种实施方式中， 上述的机箱 1的内底面还设置有减震脚 14, 具体是将 支撑架 15置于其上， 然后再进行其他的安装， 可以达到减震的目的。
本发明所涉及的新型风冷式车载汽油发电机的第七种实施方式 中， 上述的机箱的内壁上还覆盖有吸音材料 （未示出） ， 该吸音材料 可以采用吸音棉等材料， 达到进一步降低噪音的目的。
下面介绍本发明的工作过 £ : 如图 6- 7所示， 冷却风 A由第一进 风槽 1 1进入， 形成一主冷却风， 其首先冷却变频模块 9， 然后进入第 一导风罩 5中， 在导风板 6的作用下冷却发动机总成 2 , 然后进入到 由第一导向隔板 722和第二导向隔板 723在第二导风罩 7内所形成的 上部腔体中， 在冷却消声器 3后从开口 721排出； 同时， 冷却风 B在 磁电机总成 4的风扇 41 作用下混合一部分机箱内部的高温气体进入 第二导风罩 7， 在对磁电机总成 4进行针对性地冷却后， 再进入由第 —导向隔板 722和第二导向隔板 723在第二导风罩 7内所形成的下部 腔体中， 在冷却消声器 3后从开口 721排出。 冷却风 A在进入箱体 1 后先对发动机总成 2进行冷却， 然后再进入上部腔体冷却消声器 3 , 同时冷却风 B在携带部分机箱 1 内的热空气后先冷却磁电机总成 4, 然后进入进入下部腔体冷却消声器 3 , 用于再次冷却消声器 3的高温 腔体， 两股冷却风互不干扰， 将两股冷却风完全隔离后， 达到最佳冷 却状态。
以上所述的仅是本发明的优选实施方式， 应当指出， 对于本领域 的普通技术人员来说， 在不脱离本发明创造构思的前提下， 还可以做 出若干变形和改进， 这些都属于本发明的保护范围。

Claims

1. 新型风冷式车载汽油发电机， 包括机箱以及设置于所述机箱内的 发动机总成、 消声器和具有风扇的磁电机总成， 其特征在于： 还包括： 第一导风罩， 其与所述发动机总成同轴设置并对接开设于所述机箱 上的第一进风槽；
导风板， 其包覆设置于所述发动机总成上并与所述第一导风罩固定 连接；
第二导风罩， 其相对于所述第一导风罩与所述发动机总成的另一侧 同轴设置、 并与所述发动机总成和导风板的另一侧固定连接， 所述第二 导风罩包括分别容置所述磁电机总成和消声器的第一部分和第二部分， 所述第一部分对接开设于所述机箱上的第二进风槽， 所述第二部分具有 开口与外界连通， 所述第二部分还以所述消声器作为分隔， 在其内靠近 所述发动机总成的一侧设置有第一导向隔板、 相对的另一侧设置有第二 导向隔板， 所述第一导向隔板和第二导向隔板都由所述第一部分向所述 第二部分的开口斜向布置。
2. 根据权利要求 1所述的新型风冷式车载汽油发电机，其特征在于： 所述第一导向隔板和第二导向隔板呈弧形。
3. 根据权利要求 1 或 2所述的新型风冷式车载汽油发电机， 其特征 在于： 所述第一进风槽的面积大于所述第二进风槽的面积。
4. 根据权利要求 1 或 2所述的新型风冷式车载汽油发电机， 其特征 在于： 所述机箱的底部还设置有通风槽。
5. 根据权利要求 1 或 2所述的新型风冷式车载汽油发电机， 其特征 在于： 所述发动机总成上还设置有化油器， 所述化油器包括用于分别控 制其节气门和阻风门的第一步进电机和第二步进电机。
6. 根据权利要求 1所述的新型风冷式车载汽油发电机，其特征在于： 所述机箱的内壁上还覆盖有吸音材料。
7. 根据权利要求 1所述的新型风冷式车载汽油发电机，其特征在于： 所述机箱的内底面还设置有减震脚。
PCT/CN2014/070964 2013-12-12 2014-01-21 新型风冷式车载汽油发电机 WO2015085669A1 (zh)

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