WO2008019553A1 - Système de refroidissement d'unité génératrice numérique de moteur diesel horizontal - Google Patents

Système de refroidissement d'unité génératrice numérique de moteur diesel horizontal Download PDF

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Publication number
WO2008019553A1
WO2008019553A1 PCT/CN2007/001079 CN2007001079W WO2008019553A1 WO 2008019553 A1 WO2008019553 A1 WO 2008019553A1 CN 2007001079 W CN2007001079 W CN 2007001079W WO 2008019553 A1 WO2008019553 A1 WO 2008019553A1
Authority
WO
WIPO (PCT)
Prior art keywords
diesel engine
horizontal
horizontal diesel
cylinder
casing
Prior art date
Application number
PCT/CN2007/001079
Other languages
English (en)
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 WO2008019553A1 publication Critical patent/WO2008019553A1/fr

Links

Classifications

    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/06—Guiding or ducting air to, or from, ducted fans
    • 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
    • F01P1/02—Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
    • F02F2007/0075—Front covers

Definitions

  • the invention relates to a cooling system for a horizontal diesel engine digital power generation unit, in particular to a horizontal diesel engine digital generator set which is particularly suitable for forced air cooling, and belongs to the field of power generation devices.
  • the forced air-cooled horizontal diesel digital power generation unit requires sufficient ambient temperature air to cool the cylinders of the horizontal diesel engine, the cylinder head, the lubricating oil shell of the horizontal diesel engine, the permanent magnet generator, the exhaust pipe and the muffler. Because the above parts have large heat and high temperature, and require timely heat dissipation, it can ensure the good continuous operation and long service life of the horizontal diesel digital power generation unit.
  • the diesel engine cooling device inside the forced air-cooled diesel power generation unit usually adopts a cylinder-enclosed cooling ventilation chamber, that is, the air hood and the air deflector are used to surround the cylinder of the diesel engine, and are sucked by the fan.
  • the cooling air enters the cylinder to cool, and the cooling of the lubricating oil shell and the muffler of the diesel engine is generally natural air cooling, and the silencer is sometimes insulated by the insulation material; the cooling structure cannot guarantee the removal of the diesel power generation unit.
  • the parts with large heat generation outside the cylinder (such as the oil casing at the bottom of the diesel engine, the exhaust pipe of the diesel engine, and the muffler) are cooled in time and efficiently.
  • the object of the present invention is to overcome the above deficiencies, thereby providing a main cooling ventilating cavity of a permanent magnet generator, two main cooling ventilating chambers on the upper and lower sides of the cylinder portion, a main cooling ventilating chamber of the lubricating oil shell, and a secondary cooling cycle of the muffler
  • the cavity constitutes a cooling system, and the cooling channel has a large number of joint surfaces.
  • the cooling air can be reasonably used to perform step cooling and high-efficiency cooling of the heating part of the horizontal diesel digital power generation unit in the above-mentioned ventilation chamber, and at the same time, the sound insulation and heat insulation function are combined. Cooling system for long-life horizontal diesel engine digital power generation unit.
  • the invention mainly uses an air hood to connect with a horizontal diesel chassis, the cylinder head is connected with the horizontal diesel chassis, the permanent magnet generator stator is fixed on the casing of the horizontal diesel engine, and the permanent magnet generator rotor is fixed on the horizontal diesel engine.
  • the fan is fixed on the rotor of the permanent magnet generator, the muffler is fixed on the exhaust pipe, and the exhaust pipe is fixed on the cylinder head, and is characterized by the air guiding cover, the cylinder head and the mating surface of the air guiding cover.
  • the horizontal diesel chassis constitutes the main cooling ventilation chamber A; the air guiding plate on the cylinder, the air guiding plate under the cylinder and The horizontal diesel casing body is integrated; the upper and lower main cooling ventilation chambers B and C are formed by the air guiding plate on the cylinder, the air guiding plate under the cylinder, the cylinder head and the horizontal diesel casing; the horizontal diesel chassis
  • the diesel engine side cover and the lower air guide plate are fixed at the bottom of the horizontal diesel engine body and the horizontal diesel engine body constitutes the main cooling ventilation chamber D of the diesel engine bottom; the horizontal diesel engine side cover and the side cover fixed on the horizontal diesel engine
  • the muffler rear cover constitutes a secondary cooling circulation chamber E;
  • the upper and lower air guiding plates of the cylinder of the invention are integrated with the horizontal diesel casing body or are of a split type.
  • the joint groove of the side cover of the diesel engine of the present invention and the lower air deflector, the cylinder head and the rear cover of the muffler are respectively provided with corresponding matching grooves.
  • the invention has the advantages of simple structure, compactness and reasonable arrangement; the main cooling ventilating cavity of the permanent magnet generator, the upper and lower main cooling ventilating chambers of the cylinder part, the main cooling ventilating cavity of the lubricating oil shell, and the secondary cooling circulating cavity of the muffler constitute a cooling system Because the heat generated by the permanent magnet generator in the cooling ventilating cavity is significantly smaller than the heat generated by the diesel engine block, the cylinder head and the lubricating oil shell in the upper and lower main cooling ventilating chambers of the cylinder portion and the main cooling ventilating chamber of the lubricating oil casing The temperature of the exhaust pipe and the muffler in the secondary cooling cycle of the muffler is the highest among the horizontal diesel digital power generation units, so the temperature rise of the cooling air in the main cooling ventilation cavity of the permanent magnet generator is small, and then The cylinder, the cylinder head and the lubricating oil shell of the diesel engine are separately cooled, and the exhaust pipe and the muffler with the highest cooling temperature are finally collected, so that the
  • Figure 1 is an exploded view of the structure of the present invention.
  • Figure 2 is a schematic view of the longitudinal structure of the present invention.
  • Figure 3 is a schematic view of the lateral structure of the present invention.
  • Figure 4 is a schematic view showing the temperature change of the cooling air of the present invention.
  • Figure 5 is a schematic view of the heat taken away by the cooling air of the present invention.
  • the invention mainly comprises an air hood 1, a horizontal diesel casing 2, an air guiding plate 3 on the cylinder, a lower air guiding plate 4, a lower air guiding plate 5, a diesel side cover 6, a muffler rear cover 7, and a fan 8. , permanent magnet generator stator 9-1, permanent magnet generator rotor 9-2, diesel engine crankshaft 10, cylinder head 11, exhaust The tube 12, the muffler 13 and the like are composed.
  • the air hood 1 of the present invention is made of plastic or metal and is bolted to the horizontal diesel casing 2, and the cylinder head 11 is bolted to the horizontal diesel casing 2.
  • the main cooling ventilating chamber A is constituted by the air guiding hood 1, the cylinder head 11 and the horizontal diesel casing 2 having the air guiding cover mating surface.
  • the air guiding plate on the cylinder 3, the lower air guiding plate 4 and the horizontal diesel casing 2 are made in one piece or in a split type.
  • the upper air guide plate 3, the lower air guide plate 4, the cylinder head 11 and the horizontal diesel casing 2 constitute the upper and lower main cooling ventilation chambers B of the horizontal diesel engine cylinder, and the lower air guide plate 5 of the Co is made of plastic grease.
  • the horizontal diesel engine side cover 6 and the muffler rear cover 7 fixed to the horizontal diesel engine side cover 6 constitute a secondary cooling circulation chamber E.
  • the above-mentioned main cooling ventilating chamber A is provided with a fan 8 and a permanent magnet generator 9.
  • the permanent magnet generator stator 9-1 is bolted to the casing 2 of the horizontal diesel engine, and the permanent magnet generator rotor 9-2 is bolted to the crankshaft 10 of the diesel engine, and the fan 8 is bolted to the permanent magnet generator.
  • the cooling air sucked in by the fan 8 first cools the permanent magnet generator in the cavity A, and also cools the surface of the horizontal diesel casing 2 in the cavity A. Secondly, the cooling air is divided into three main cooling ventilating chambers B and C and the bottom main cooling ventilating chamber D of the diesel engine in the cylinder section of the horizontal diesel engine, respectively cooling the cooling fins on the horizontal diesel engine casing 2 and the heat dissipation on the cylinder head 11.
  • the air hood 1 has a plug-in fit requirement with the horizontal diesel chassis 2, the cylinder head 11, the horizontal diesel engine air guide plate 3, the lower cylinder air guide plate 4, and the lower air guide plate 5. Therefore, an engaging groove is formed in the fitting portion of the air guiding hood 1 to engage the upper cylinder head 11, the upper air cylinder upper air guiding plate 3, the lower cylinder air guiding plate 4 and the lower air guiding plate 5; in the horizontal diesel engine
  • the fitting portion of the casing 2 is formed with a corresponding fitting groove of the air guiding cover 1 to fasten and engage the air guiding cover 1.
  • the cylinder head 11 of the present invention, the upper air guide plate 3 of the horizontal diesel engine, the lower air guide plate 4 of the cylinder and the horizontal side cover 6 of the horizontal diesel engine have the requirements of plugging and fitting, so that the corresponding part of the horizontal side cover 6 of the horizontal diesel engine is correspondingly formed.
  • the socket is engaged to engage and seal the cylinder head 11, the air guide plate 3 on the cylinder, and the lower air guide plate 4 of the cylinder.
  • the horizontal diesel casing body 2 and the lower air guiding hood 5 of the present invention are respectively provided with corresponding mating surfaces to ensure Seal requirements.
  • the horizontal joints of the horizontal diesel engine side cover 6 and the lower air guiding hood 5 and the muffler rear cover 7 are provided with corresponding matching grooves to ensure sealing and fastening requirements; as the above measures reach the main cooling ventilation chamber, Sealing requirements for B, C, D and secondary cooling cycle chamber E.
  • a thin layer of aluminum paper may be applied to the inner wall surface of the lower air deflector 5 and the horizontal side cover of the horizontal diesel engine to enhance the heat source reflection and thereby reduce the temperature of the self-heating; and the flame-retardant sponge strip may be attached to all the places where the mating is mated. To further seal.
  • the air guiding plate 3, the lower air guiding plate 4 and the lower air guiding plate 5 of the cylinder of the invention are all injection molded by the high temperature resistant plastic material, so that the weight can be reduced and the cost can be reduced. In this example, the air is guided on the cylinder.
  • the plate 3 and the under-cylinder air deflector 4 are integrally formed with the casing 2 or are separated, and are made of the same material as the casing; the horizontal diesel casing body 2, the cylinder head 11, the horizontal diesel engine side cover 6, and the cylinder head
  • the cover 14 is pressure-casted from aluminum alloy or magnesium alloy, which can increase the heat dissipation effect of the diesel engine, reduce the weight, and achieve the assembly sealing requirements and simple assembly requirements; and the exhaust pipe 12 is generally made of cast iron, It can be made of steel, and the muffler 13 is generally made of metal, which is resistant to high temperature and good thermal conductivity.
  • the exhaust pipe 12 of the present example is integrally formed with the muffler 13 and is made of steel.
  • the air guiding hood 1, the lower air guiding plate 5, the cylinder head 11, the horizontal diesel casing 2, the horizontal diesel engine side cover 6, the cylinder head cover 14, the plug fitting and bolts of the components of the muffler rear cover 7 of the present invention The nut locks to achieve post-assembly sealing requirements and simple assembly requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention a pour objet un système de refroidissement d'une unité génératrice numérique de moteur diesel horizontal. Selon l'invention : une cavité de ventilation de refroidissement principale (A) d'une magnéto est formée par un couvercle de guidage d'air, une culasse et un corps de boîtier (2) du moteur diesel horizontal; une plaque de guidage d'air supérieure (3) du cylindre, une plaque de guidage d'air inférieure (4) du cylindre et le corps de boîtier (2) du moteur diesel horizontal sont solidaires; des cavités de ventilation de refroidissement principales gauche et droite (B, C) sont formées par la plaque de guidage d'air supérieure (3), la plaque de guidage d'air inférieure (4), la culasse (11) et le corps de boîtier (2); une cavité de ventilation de refroidissement principale (D) présente dans le fond du moteur diesel, est formée par la plaque de guidage d'air inférieure (5), le couvercle latéral (6) du moteur et le corps de boîtier (2); et une cavité de cycle de refroidissement supplémentaire (E) du silencieux est formée par le couvercle latéral (6) et le carter arrière (7) du silencieux.
PCT/CN2007/001079 2006-08-11 2007-04-03 Système de refroidissement d'unité génératrice numérique de moteur diesel horizontal WO2008019553A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610040927.3 2006-08-11
CNA2006100409273A CN1908399A (zh) 2006-08-11 2006-08-11 一种卧式柴油机数码发电单元的冷却系统

Publications (1)

Publication Number Publication Date
WO2008019553A1 true WO2008019553A1 (fr) 2008-02-21

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Application Number Title Priority Date Filing Date
PCT/CN2007/001079 WO2008019553A1 (fr) 2006-08-11 2007-04-03 Système de refroidissement d'unité génératrice numérique de moteur diesel horizontal

Country Status (2)

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CN (1) CN1908399A (fr)
WO (1) WO2008019553A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1936295A (zh) * 2006-08-11 2007-03-28 无锡开普动力有限公司 一种立式柴油机数码发电单元的冷却系统
CN104033406B (zh) * 2014-06-26 2018-02-06 重庆乾威科技有限公司 通用汽油机风冷总成
CN108979888A (zh) * 2018-08-18 2018-12-11 全椒县全动机械有限公司 一种柴油机发动机盖体及其制造工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2675877Y (zh) * 2003-10-28 2005-02-02 肖亨琳 一种发电机内部的发动机的冷却系统
CN2690605Y (zh) * 2004-04-13 2005-04-06 无锡开普动力有限公司 一种汽油发电机组
CN2697322Y (zh) * 2004-04-15 2005-05-04 无锡开普动力有限公司 小型数码静音柴油发电机

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2675877Y (zh) * 2003-10-28 2005-02-02 肖亨琳 一种发电机内部的发动机的冷却系统
CN2690605Y (zh) * 2004-04-13 2005-04-06 无锡开普动力有限公司 一种汽油发电机组
CN2697322Y (zh) * 2004-04-15 2005-05-04 无锡开普动力有限公司 小型数码静音柴油发电机

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CN1908399A (zh) 2007-02-07

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