WO2007101388A1 - A portable generator - Google Patents

A portable generator Download PDF

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Publication number
WO2007101388A1
WO2007101388A1 PCT/CN2007/000291 CN2007000291W WO2007101388A1 WO 2007101388 A1 WO2007101388 A1 WO 2007101388A1 CN 2007000291 W CN2007000291 W CN 2007000291W WO 2007101388 A1 WO2007101388 A1 WO 2007101388A1
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WO
WIPO (PCT)
Prior art keywords
engine
generator
case
penetrate
casing
Prior art date
Application number
PCT/CN2007/000291
Other languages
French (fr)
Chinese (zh)
Inventor
Henglin Xiao
Original Assignee
Wuxi Kipor Power Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Kipor Power Co., Ltd. filed Critical Wuxi Kipor Power Co., Ltd.
Publication of WO2007101388A1 publication Critical patent/WO2007101388A1/en

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Classifications

    • 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
    • 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
    • F02B63/048—Portable engine-generator combinations

Definitions

  • the invention relates to a portable generator, in particular to a portable generator with reasonable internal force and light weight, belonging to the field of generators.
  • the demand for portable generators is increasing. People often need electric vehicles that can be easily moved and conveniently carried to provide power in outdoor or emergency situations.
  • the engine and its working device are placed in a housing with a handle that allows the user to carry out the generator handling operation by grasping the handle.
  • the internal generator and its working device are generally heavy, and it must be stable, safe and reliable during operation and movement. It requires the generator housing to reliably support the weight of the internal generator and its working device. At the same time, the fixing of the generator to the outer casing must be very good.
  • the engine and the outer casing of the portable generator are fixed by a three-point suspension, which is fixed to the outer casing by three parallel core-through shafts, one of which is located in the upper half of the outer casing. The other two are located in the lower half of the outer casing.
  • the disadvantage of this design is that the overall weight of the generator is basically carried on the mandrel of the upper half, which is the force of the mandrel and leads to the core.
  • the force at the junction of the shaft and the outer casing is also large and concentrated. It will increase the rigidity requirements of the generator casing and reduce the service life, which is not conducive to the weight reduction design of the generator.
  • the generator working and moving, the vibration under the shock state will seriously affect the service life of the generator and generate noise.
  • the invention adopts the following technical solutions to solve the technical problem:
  • the invention is a portable generator, which comprises: a casing, an engine, a motor and an electric control system, the motor is connected with the engine, and the engine, the motor and the electric control system are arranged in the shell
  • In the body there are two core holes in the lower part of the engine, and a core shaft is arranged in the core hole, and both ends of the core shaft are connected with the shell, and a compressor for pressing the engine is arranged between the shell and the engine. Briquetting.
  • the present invention has the following advantages - since the present invention is provided with two through-core holes in the lower part of the engine, a through-core shaft is provided in the through-core hole, and two through the core shaft The end is connected to the housing, and at the same time, a pressure block for pressing the engine is arranged on the upper part of the housing.
  • the pressure block and the two through-core shafts form a stable triangle, and the engine is safe and stable in the outer casing.
  • the weight of the whole generator is shared by two core shafts at the same time, so that the weight of each core bearing is much smaller than that of the prior art, so that the force of the joint between the core shaft and the outer casing is also small.
  • the rigidity requirements of the generator casing are also reduced, which is advantageous for providing a basis for the lightweight design of the generator, and the casing can be made relatively light, so that the invention is light in weight and more convenient to carry.
  • the shock-absorbing fixed block can also play the role of shock absorption and prolong the working life of the generator.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a cross-sectional view showing the structure of the present invention.
  • a portable generator includes: a casing, an engine, a motor and an electric control system, the motor is connected to the engine, the engine, the motor and the electric control system are arranged in the casing, and two core holes are arranged in the lower part of the engine, which are worn
  • a core shaft is disposed in the core hole, and both ends of the core shaft are connected to the housing, and a pressure block for pressing the engine is disposed between the housing and the engine.
  • the pressing block is disposed between the casing and the top of the engine, and the pressing block is a damping fixed pressing block, and the damping fixed pressing block can be a damping rubber pressing block, and the pressing block can be connected to the engine.
  • This embodiment can also be connected to the housing or directly placed between the housing and the engine without directly fixing it to the engine or the housing.
  • This embodiment also has a fixing bracket at the bottom of the engine, which will The core hole is disposed on the fixing frame; another technical hunting method of the embodiment is that a protrusion is arranged on the top of the engine, and a notch corresponding to the shape of the protrusion is arranged on the pressure block, and the convex portion of the engine is partially convex.
  • the recesses in the top of the engine may be ribs that protrude from the top surface of the engine and are located at the top of the engine.
  • an engine 1 is mounted in the housing, a permanent magnet generator 2 is mounted on the engine, and a suction fan 3 is connected to one end of the motor, and is guided at the same time.
  • a hand puller 5 is fastened to the air guiding hood 4, and the engine, the motor and the air guiding hood form a rigid whole, and the crankcase cover 13 of the engine is locked under a fixing frame 19, and two through-core shafts are 20 by fixing
  • the shock absorbing member 21 on the frame acts on the housing, or an additional component is designed for each of the engine and the air guiding hood.
  • the two through-core shafts exert gravity on the housing through the damping rubber on the additional member.
  • the casing of the present invention comprises a left casing 6, a right casing 7, a front casing 8 and a rear casing 9, the left casing has a repair engine side door 10, and the right casing has a top cover 11 for checking the spark plug, left and right
  • the shell has a handle structure, and after the left and right shells are locked, the handle can fully carry the gravity transmitted by the shell.
  • the invention installs a shock absorbing block 15 on the cylinder head ⁇ of the engine, and the shock absorbing block bears against the handle portion of the left and right shells, thereby effectively reducing the vibration of the engine.
  • the engine of the present invention comprises a casing 12, a crankcase cover 13, and a cylinder head cover 14.
  • the engine is surrounded by the cylinder head and the oil sump portion to form three partial passages, and the passages are closely combined with the air hood to form a
  • the sealed cooling air duct, the suction cooling fan is driven by the engine, sucks the cold air cooling motor, the engine and the muffler 16, because the suctioned cold air concentrates through the cylinder head and the oil sump part, the local high heat part has high wind speed, large air volume, cooling effect better.
  • the flange face of the engine and the deflector are closely combined to form a wrap around the muffler, so that the airflow downstream of the cooling duct has a concentrated cooling process for the muffler, and the containment structure is also good at the same time. Sound insulation.
  • the invention reinforces the protection of the heat sensitive components such as the module 17 and the carburetor 18, and has a specially designed air inlet groove on the casing, which is close to the position of the module and the carburetor, and the preferentially received cold air ensures the module and the tempering.
  • the normal operation of the oil is very close to the position of the module and the carburetor 18, and the preferentially received cold air ensures the module and the tempering.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

A portable generator is disclosed, which includes a case, an engine (1), a generator (2) and an electric control system, wherein the generator (2) is connected with the engine (1), the engine (1), generator (2) and electric control system are provided in the case, two penetrate holes are provided at the bottom of the engine (1), one penetrate pivot (20) is provided in each penetrate hole, both ends of which are connected to the case, and a pressed block (15) is provided between the case and generator. The pressed block (15) and two penetrate pivots form a steady triangle so as to hold the generator stably in the case. Simultaneously, the weight of the whole generator is shared by two penetrate pivots so that the weight of each penetrate pivot bearing is less than that of the prior art, the stress at the joint of the penetrate pivot and case is decreased, and the rigidity requirement of the generator case is reduced, which will be of great advantage to lightweighting design of the generator, the case can be light relatively, and thus the generator of the application is lighter and more convenient to carry.

Description

便携式发电机 技术领域  Portable generator
本发明涉及一种便携式发电机， 尤其是一种内部受力合理且有利于轻量化的便携式 发电机， 属于发电机领域。  The invention relates to a portable generator, in particular to a portable generator with reasonable internal force and light weight, belonging to the field of generators.
背景技术 Background technique
随着人们生活水平的提高， 便携式发电机的需求越来越多， 人们在户外或紧急状况 下通常需要可以方便移动和方便携带的发电机提供电能来满足需求。通常的便携式发电 机是将发动机及其工作装置置于一个有提携手柄的壳体内， 使用者抓住提携手柄即可将 进行发电机搬运操作。 内部发电机及其工作装置的重量一般较大， 同时它在工作和移动 的过程中还必须稳定， 安全可靠。 它要求发电机壳体能可靠地支承内部发电机及其工作 装置的重量。 同时， 发电机与外壳的固定性必须非常的好。 当前， 便携式发电机的发动 机和外壳采用的是三点悬挂固定的方法， 由三根平行的穿芯轴横穿发电机的机身将其固 定在外壳上， 其中一根位于外壳的上半部， 另外两根位于外壳的下半部， 此种设计的缺 点在于， 发电机的整体重量基本承载在上半部的那根穿芯轴上， 此穿芯轴的受力大同时 导致了此穿芯轴与外壳连接处的受力也大而集中。 会提高对发电机外壳的刚度要求， 降 低使用寿命， 不利于发电机的重量减轻设计。 同时发电机工作和移动、受震状态下的震 动会严重影响到发电机的使用寿命， 同时会产生噪声。  With the improvement of people's living standards, the demand for portable generators is increasing. People often need electric vehicles that can be easily moved and conveniently carried to provide power in outdoor or emergency situations. In a typical portable generator, the engine and its working device are placed in a housing with a handle that allows the user to carry out the generator handling operation by grasping the handle. The internal generator and its working device are generally heavy, and it must be stable, safe and reliable during operation and movement. It requires the generator housing to reliably support the weight of the internal generator and its working device. At the same time, the fixing of the generator to the outer casing must be very good. Currently, the engine and the outer casing of the portable generator are fixed by a three-point suspension, which is fixed to the outer casing by three parallel core-through shafts, one of which is located in the upper half of the outer casing. The other two are located in the lower half of the outer casing. The disadvantage of this design is that the overall weight of the generator is basically carried on the mandrel of the upper half, which is the force of the mandrel and leads to the core. The force at the junction of the shaft and the outer casing is also large and concentrated. It will increase the rigidity requirements of the generator casing and reduce the service life, which is not conducive to the weight reduction design of the generator. At the same time, the generator working and moving, the vibration under the shock state will seriously affect the service life of the generator and generate noise.
发明内容 Summary of the invention
本发明的发明目的是提供一种内部受力合理且有利于轻量化的便携式发电机。  SUMMARY OF THE INVENTION It is an object of the present invention to provide a portable generator that is internally stressed and that is lightweight.
本发明采用如下技术方案来解决其技术问题： 本发明即一种便携式发电机， 它包括: 壳体、 发动机、 电机和电控***， 电机与发动机连接， 发动机、 电机和电控***设在壳 体内， 在发动机的下部设有两个穿芯孔， 在穿芯孔内设有穿芯轴， 穿芯轴的两端与壳体 连接， 在壳体与发动机之间设有用于压紧发动机的压块。  The invention adopts the following technical solutions to solve the technical problem: The invention is a portable generator, which comprises: a casing, an engine, a motor and an electric control system, the motor is connected with the engine, and the engine, the motor and the electric control system are arranged in the shell In the body, there are two core holes in the lower part of the engine, and a core shaft is arranged in the core hole, and both ends of the core shaft are connected with the shell, and a compressor for pressing the engine is arranged between the shell and the engine. Briquetting.
与现有技术相比， 本发明具有如下优点 -- 由于本发明在发动机的下部设有两个穿芯孔， 在穿芯孔内设有穿芯轴， 穿芯轴的两 端与壳体连接， 同时在壳体上部还设有用于压紧发动机的压块， 此压块和两根穿芯轴构 成一个稳定的三角形， 发动机在外壳内安全稳定。 同时， 让整个发电机的重量同时由两 根穿芯轴来分担， 这样每根穿芯轴承载的重量就较现有技术要小得多， 这样穿芯轴与外 壳连接处的受力也小得多， 对发电机外壳的刚度要求也就会减小， 有利于为发电机的轻 量化设计提供基础， 外壳可以做的相对轻， 因而本发明的重量轻， 携带更加的方便。 除 此之外， 当发电机在移动、 受震或者工作的时候， 减震固定压块还可以起到减震的作用, 延长发电机的工作寿命。 Compared with the prior art, the present invention has the following advantages - since the present invention is provided with two through-core holes in the lower part of the engine, a through-core shaft is provided in the through-core hole, and two through the core shaft The end is connected to the housing, and at the same time, a pressure block for pressing the engine is arranged on the upper part of the housing. The pressure block and the two through-core shafts form a stable triangle, and the engine is safe and stable in the outer casing. At the same time, the weight of the whole generator is shared by two core shafts at the same time, so that the weight of each core bearing is much smaller than that of the prior art, so that the force of the joint between the core shaft and the outer casing is also small. Much more, the rigidity requirements of the generator casing are also reduced, which is advantageous for providing a basis for the lightweight design of the generator, and the casing can be made relatively light, so that the invention is light in weight and more convenient to carry. In addition, when the generator is moving, shocked or working, the shock-absorbing fixed block can also play the role of shock absorption and prolong the working life of the generator.
附图说明 DRAWINGS
图 1是本发明的结构示意图。  Figure 1 is a schematic view of the structure of the present invention.
图 2是本发明的结构剖视图。  Figure 2 is a cross-sectional view showing the structure of the present invention.
具体实施方法 Specific implementation method
一种便携式发电机， 包括： 壳体、 发动机、 电机和电控***， 电机与发动机连接， 发动机、 电机和电控***设在壳体内， 在发动机的下部设有两个穿芯孔， 在穿芯孔内设 有穿芯轴， 穿芯轴的两端与壳体连接， 在壳体与发动机之间设有用于压紧发动机的压块。 在本实施例中， 上述压块设在壳体与发动机顶部之间， 压块为减震固定压块， 该减震固 定压块可以采用减震橡胶压块， 该压块即可连接于发动机上， 也可连接于壳体上， 或者 直接将其置于壳体与发动机之间而无需使其与发动机或壳体直接固定连接,： 本实施例 还在发动机的底部设有固定架， 将穿芯孔设在固定架上； 本实施例的另一技术猎施是在 发动机顶部设有凸起， 在压块上设有与凸起的形状相吻合的槽口， 且发动机预部的凸起 嵌入压块的槽口内， 上述发动机顶部的凸起可以采用突于发动机顶面的且位于发动机顶 部的筋。  A portable generator includes: a casing, an engine, a motor and an electric control system, the motor is connected to the engine, the engine, the motor and the electric control system are arranged in the casing, and two core holes are arranged in the lower part of the engine, which are worn A core shaft is disposed in the core hole, and both ends of the core shaft are connected to the housing, and a pressure block for pressing the engine is disposed between the housing and the engine. In this embodiment, the pressing block is disposed between the casing and the top of the engine, and the pressing block is a damping fixed pressing block, and the damping fixed pressing block can be a damping rubber pressing block, and the pressing block can be connected to the engine. In addition, it can also be connected to the housing or directly placed between the housing and the engine without directly fixing it to the engine or the housing. This embodiment also has a fixing bracket at the bottom of the engine, which will The core hole is disposed on the fixing frame; another technical hunting method of the embodiment is that a protrusion is arranged on the top of the engine, and a notch corresponding to the shape of the protrusion is arranged on the pressure block, and the convex portion of the engine is partially convex. The recesses in the top of the engine may be ribs that protrude from the top surface of the engine and are located at the top of the engine.
下面结合说明书附图， 对本发明的一个具体实施方案作一详细描述- 在本壳体内安装有发动机 1， 永磁发电机 2安装在发动机上， 电机一端连有吸冷风 扇 3， 同时被一导风罩 4覆盖， 一个手拉盘 5紧固在导风罩 4上， 发动机、 电机和导风 罩形成一刚性整体， 发动机的曲轴箱盖 13下锁紧一固定架 19， 两根穿芯轴 20通过固定 架上的减震件 21作用于壳体上， 或是发动机和导风罩各设计出一附加件， 两根穿芯轴 通过此附加件上的减震橡胶将重力作用于壳体上。 A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings - an engine 1 is mounted in the housing, a permanent magnet generator 2 is mounted on the engine, and a suction fan 3 is connected to one end of the motor, and is guided at the same time. Covered by the windshield 4, a hand puller 5 is fastened to the air guiding hood 4, and the engine, the motor and the air guiding hood form a rigid whole, and the crankcase cover 13 of the engine is locked under a fixing frame 19, and two through-core shafts are 20 by fixing The shock absorbing member 21 on the frame acts on the housing, or an additional component is designed for each of the engine and the air guiding hood. The two through-core shafts exert gravity on the housing through the damping rubber on the additional member.
本发明的壳体包括左罩壳 6、 右罩壳 7、前罩壳 8和后罩壳 9, 左罩壳上有一维修发 动机侧门 10, 右罩壳上有一检査火花塞的顶盖 11， 左右壳上带有手柄结构， 左右壳锁 紧后， 其手柄可完全承载壳体传递至的重力。  The casing of the present invention comprises a left casing 6, a right casing 7, a front casing 8 and a rear casing 9, the left casing has a repair engine side door 10, and the right casing has a top cover 11 for checking the spark plug, left and right The shell has a handle structure, and after the left and right shells are locked, the handle can fully carry the gravity transmitted by the shell.
本发明为克服发动机工作后产生的震动， 在其发动机的气缸盖覃上安装一减震块 15， 减震块顶住左右壳的手柄处部位， 有效地减轻了发动机的震动。  In order to overcome the vibration generated after the engine is working, the invention installs a shock absorbing block 15 on the cylinder head 其 of the engine, and the shock absorbing block bears against the handle portion of the left and right shells, thereby effectively reducing the vibration of the engine.
本发明发动机包括一箱体 12、 一曲轴箱盖 13、 一气缸盖罩 14， 发动机在其缸头， 油底壳部位进行包围， 形成三个局部通道， 这些通道与导风罩密配形成一个密封的冷却 风道， 吸冷风扇在发动机驱动下， 吸入冷风冷却电机， 发动机和*** 16， 因所吸入冷 风集中通过在缸头和油底壳部位， 局部高热部位风速高， 风量大， 冷却效果更好。  The engine of the present invention comprises a casing 12, a crankcase cover 13, and a cylinder head cover 14. The engine is surrounded by the cylinder head and the oil sump portion to form three partial passages, and the passages are closely combined with the air hood to form a The sealed cooling air duct, the suction cooling fan is driven by the engine, sucks the cold air cooling motor, the engine and the muffler 16, because the suctioned cold air concentrates through the cylinder head and the oil sump part, the local high heat part has high wind speed, large air volume, cooling effect better.
在上述布置中， 发动机的法兰面和导流板密切结合， 对***形成一个包覆， 使冷 却风道下游的气流对***有一个集中的冷却过程， 此包容结构同时又起了很好的隔音 效果。  In the above arrangement, the flange face of the engine and the deflector are closely combined to form a wrap around the muffler, so that the airflow downstream of the cooling duct has a concentrated cooling process for the muffler, and the containment structure is also good at the same time. Sound insulation.
本发明加强了对模块 17与化油器 18等热敏感部件的保护， 壳体上有专门设计的进 气槽， 接近于模块和化油器的位置， 优先承受到的冷风保证了模块和化油器的正常工作。  The invention reinforces the protection of the heat sensitive components such as the module 17 and the carburetor 18, and has a specially designed air inlet groove on the casing, which is close to the position of the module and the carburetor, and the preferentially received cold air ensures the module and the tempering. The normal operation of the oil.

Claims

权 利 要 求 书 Claim
1、 一种便携式发电机， 包括： 壳体、 发动机、 电机和电控***， 电机与发动机连 接， 发动机、 电机和电控***设在壳体内， 其特征在于在发动机的下部设有两个穿芯孔， 在穿芯孔内设有穿芯轴， 穿芯轴的两端与壳体连接， 在壳体与发动机之间设有用于压紧 发动机的压块。 1. A portable generator comprising: a housing, an engine, a motor and an electronic control system, the motor being coupled to the engine, the engine, the motor and the electronic control system being disposed within the housing, wherein the second portion of the engine is provided with two The core hole is provided with a through-core shaft in the through-core hole, and both ends of the through-core shaft are connected with the casing, and a pressure block for pressing the engine is arranged between the casing and the engine.
2、 根据权利要求 1所述的便携式发电机， 其特征在于压块为减震固定压块， 压块 设在壳体与发动机顶部之间。  2. A portable generator according to claim 1 wherein the pressure block is a shock absorbing fixed pressure block and the pressure block is disposed between the housing and the top of the engine.
3、根据权利要求 1或 2所述的便携式发电机， 其特征在于在发动机的底部设有固 定架， 穿芯孔设在固定架上。  A portable power generator according to claim 1 or 2, wherein a fixing frame is provided at the bottom of the engine, and the core hole is provided in the fixing frame.
4、根据权利要求 3所述的便携式发电机， 其特征在于在发动机顶部设有凸起， 在 压块上设有与凸起的形状相吻合的槽口， 且发动机顶部的凸起嵌入压块的槽口内。  A portable generator according to claim 3, wherein a protrusion is provided on the top of the engine, a notch conforming to the shape of the protrusion is provided on the pressure block, and the protrusion on the top of the engine is embedded in the pressure block. Inside the notch.
PCT/CN2007/000291 2006-03-08 2007-01-25 A portable generator WO2007101388A1 (en)

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CN 200610038715 CN1815001A (en) 2006-03-08 2006-03-08 Portable generator
CN200610038715.1 2006-03-08

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CN109899158A (en) * 2019-04-09 2019-06-18 重庆华世丹动力科技股份有限公司 The cooling air duct construction of full-enclosed generating set

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