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公开(公告)号:KR101551035B1
公开(公告)日:2015-09-08
申请号:KR1020130167272
申请日:2013-12-30
Applicant: 현대자동차주식회사
CPC classification number: G01R31/028 , G01R31/42 , H02J7/00
Abstract: 프리차지고장진단방법이개시된다. 본발명의실시예에따른프리차지고장진단방법은, 고전압배터리의출력전압을검출하는단계; 상기검출단계이후, 상기고전압배터리를이용하여인버터의커패시터를프리차징하는단계; 상기프리차징에따라상기인버터의커패시터에인가된전압을측정하는단계; 상기측정단계이후, 상기고전압배터리의출력전류를검출하는단계; 및상기검출된출력전압, 상기커패시터에인가된전압및 상기검출된출력전류를조합하여고장발생부품을진단하는단계를포함할수 있다.
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公开(公告)号:KR1020150067842A
公开(公告)日:2015-06-19
申请号:KR1020130152939
申请日:2013-12-10
Applicant: 현대자동차주식회사
IPC: H01M10/635 , H01M10/6563 , H01M10/613
CPC classification number: H01M10/635 , H01M10/613 , H01M10/63 , H01M10/6563
Abstract: 본발명의일실시예에따른배터리냉각팬제어장치는, 다수의배터리팩; 상기다수의배터리팩의온도를모니터링하여배터리팩 온도정보를생성하는모니터링부; 상기배터리팩 온도정보를이용하여온도편차를산출하고, 산출된온도편차를미리설정된제 1 기준값과비교하여상기산출된온도편차를감소시키는이원화냉각제어를수행하는제어기; 상기이원화냉각제어에따라다수의냉각팬을구동하는다수의냉각팬구동부; 및상기다수의냉각팬구동부에의해배터리팩을냉각하는다수의냉각팬;을포함하는것을특징으로한다.
Abstract translation: 本发明的一个实施例涉及一种用于控制电池的冷却风扇的装置,包括:多个电池组; 监视单元监视多个电池组的温度以产生电池组的温度信息; 控制器通过使用电池组上的温度信息来计算温度偏差,并将计算的温度偏差与预设的第一参考值进行比较,以执行双重冷却控制,以便减少计算出的温度偏差; 多个冷却风扇驱动单元根据双重冷却控制驱动多个冷却风扇; 多个冷却风扇通过多个冷却风扇驱动单元来冷却电池组。
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公开(公告)号:KR101526699B1
公开(公告)日:2015-06-11
申请号:KR1020130132153
申请日:2013-11-01
Applicant: 현대자동차주식회사
Abstract: 본발명의일실시예에따른전류측정정확도향상장치는, 배터리; 상기배터리의전류를센싱하여전류신호를생성하는전류센서; 생성된전류신호를모니터링하여전류패턴의발생여부및 시동(IG: IGnition) 오프에따라오프셋값을측정하지않고전류센서의특성을반영하여오프셋값을설정하는제어부; 및설정된오프셋값을저장하는메모리;를포함하는것을특징으로한다.
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公开(公告)号:KR1020050000792A
公开(公告)日:2005-01-06
申请号:KR1020030041327
申请日:2003-06-25
Applicant: 현대자동차주식회사
Inventor: 박현수
IPC: C22C38/04
Abstract: PURPOSE: To provide a high strength microalloyed steel for crank shaft which has higher strength than existing microalloyed steel and has a strength level equal to existing alloy steel, and a method for manufacturing the high strength microalloyed steel for crank shaft by hot forging a microalloyed steel composition and air cooling the hot forged microalloyed steel. CONSTITUTION: The high strength microalloyed steel for crank shaft has a composition comprising iron(Fe) as a main component, 0.4 to 0.46 wt.% of carbon(C), 0.55 to 0.7 wt.% of silicon(Si), 1.4 to 1.6 wt.% of manganese(Mn), 0.03 wt.% or less of phosphorus(P), 0.04 to 0.07 wt.% of sulfur(S), 0.1 to 0.2 wt.% of chromium(Cr), and 0.2 to 0.3 wt.% of vanadium(V). The method for manufacturing the high strength microalloyed steel for crank shaft comprises a hot forging process of performing hot forging by heating a microalloyed steel composition to a temperature of 1,130 to 1,280 deg.C, wherein the microalloyed steel composition is forged after waiting for 10 to 3 seconds if the hot forging temperature is 1,280 to 1,300 deg.C, hot forging is stopped if the hot forging temperature is 1,300 deg.C or more, the hot forging is performing on the reheated microalloyed steel after reheating the microalloyed steel if the hot forging temperature is 1,130 deg.C or less; and a cooling process of performing air cooling as the optimum controlled cooling on the hot forged microalloyed steel.
Abstract translation: 目的:提供一种具有比现有微合金钢强度高的曲柄轴的高强度微合金钢,其强度等于现有合金钢,以及通过热锻微合金钢制造曲轴用高强度微合金钢的方法 组成和空气冷却热锻的微合金钢。 构成:用于曲轴的高强度微合金钢具有以铁(Fe)为主要成分,0.4〜0.46重量%的碳(C),0.55〜0.7重量%的硅(Si),1.4〜1.6 重量百分比的锰(Mn),0.03重量%以下的磷(P),0.04〜0.07重量%的硫(S),0.1〜0.2重量%的铬(Cr)和0.2〜0.3重量% %的钒(V)。 用于曲轴的高强度微合金化钢的制造方法包括通过将微合金化钢组合物加热至1130〜1280℃的温度进行热锻造的热锻造工序,其中,微合金化钢组合物在等待10〜 如果热锻温度为1,280〜1,300℃,则为3秒,如果热锻温度为1300℃以上则停止热锻,如果热合金再热,则在再加热微合金化钢上进行热锻 锻造温度为1130℃以下; 以及进行空气冷却作为热锻造微合金化钢的最佳控制冷却的冷却工序。
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公开(公告)号:KR1020040000913A
公开(公告)日:2004-01-07
申请号:KR1020020035927
申请日:2002-06-26
Applicant: 현대자동차주식회사
Inventor: 박현수
IPC: B25B11/00
Abstract: PURPOSE: A splitting process jig for a forging split steel connecting rod and a splitting method are provided to improve the strength and rigidity of the connecting rod. CONSTITUTION: A mandrel(22) composed of a plurality of split bodies is installed at one end of a connecting rod(10), and has a hollow unit(22a) therein. A wedge(21) is installed at the hollow part, and applies pressure to each split body of the mandrel. The wedge has an inclination of 5-9 degrees toward a rod.
Abstract translation: 目的:为了提高连杆的强度和刚度,提供了一种用于锻造裂缝钢连杆的分割工艺夹具和分割方法。 构成:由多个分割体构成的心轴(22)安装在连杆(10)的一端,并且在其中具有中空单元(22a)。 楔形物(21)安装在中空部分处,并对心轴的每个分体施加压力。 楔形件具有朝向杆的5-9度的倾斜度。
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公开(公告)号:KR1020030092498A
公开(公告)日:2003-12-06
申请号:KR1020020030173
申请日:2002-05-30
Applicant: 현대자동차주식회사
Inventor: 박현수
IPC: B23P15/00
CPC classification number: F16C9/045
Abstract: PURPOSE: A method for forming a notch on a connecting rod is provided to improve the rigidity and strength of the connecting rod, and to reduce the deformation of parts by forming the notch with a laser cutting machine. CONSTITUTION: A method for forming a notch(11) on a connecting rod(10) comprises the steps of: converting the detailed measure of the notch and the operating condition of a laser cutting machine(20) stored in a computer into a control signal, and transmitting the control signal to a control unit in the laser cutting machine; and forming the notch on the connecting rod by a driving unit according to the control signal.
Abstract translation: 目的:提供一种在连杆上形成切口的方法,以提高连杆的刚度和强度,并通过用激光切割机形成切口来减少零件的变形。 构成:在连杆(10)上形成切口(11)的方法包括以下步骤:将存储在计算机中的激光切割机(20)的切口和操作状态的详细度量转换为控制信号 并将所述控制信号发送到所述激光切割机中的控制单元; 并根据控制信号由驱动单元在连杆上形成切口。
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公开(公告)号:KR1020030050011A
公开(公告)日:2003-06-25
申请号:KR1020010080383
申请日:2001-12-18
Applicant: 현대자동차주식회사
Inventor: 박현수
IPC: B21K1/08
Abstract: PURPOSE: A fillet rolling method of crank shaft is provided to expand life span of the crank shaft by inspecting a fatigue of the crank shaft and selectively applying load of a pressing roller to the crank shaft. CONSTITUTION: Pressing load of an auxiliary roller at a dangerous portion of a fillet section(11) is in a range of 600-800kgf. In addition, 300-400kgf of pressing load is applied in remaining portion of the fillet section(11) in such a manner that load is efficiently applied when the auxiliary roller rotates 5-15 times, thereby preventing over bending and expanding life span of a crank shaft(10). A roller press applies load to the crank shaft(10) such that differential load is applied to each part of the crank shaft(10) along an outer wall of the crank shaft(10).
Abstract translation: 目的:提供曲轴的圆角轧制方法,通过检查曲轴的疲劳并选择性地将加压辊的负载施加到曲轴上来延长曲轴的使用寿命。 构成:在圆角部分(11)的危险部分压紧辅助辊的载荷在600-800kgf范围内。 此外,在圆角部(11)的剩余部分中施加300-400kgf的压力负荷,使得当辅助辊旋转5-15次时有效地施加负荷,从而防止过度弯曲和延长寿命 曲柄轴(10)。 辊压机对曲轴(10)施加负荷,使得沿曲柄轴(10)的外壁对曲轴(10)的每个部分施加不同的载荷。
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公开(公告)号:KR1020030003479A
公开(公告)日:2003-01-10
申请号:KR1020010039311
申请日:2001-07-02
Applicant: 현대자동차주식회사
Inventor: 박현수
IPC: F16C5/00
CPC classification number: B21K1/766 , B23P2700/04 , F16C7/023 , F16C2204/66 , F16C2220/46
Abstract: PURPOSE: A method for manufacturing hot forging split steel connecting rod is provided to achieve improved workability and size accuracy, while reducing manufacturing cost and increasing strength of connecting rod. CONSTITUTION: A method comprises a first step of heating a high carbon non-tempered steel having a diameter of 30 to 50mm to the temperature of 1100 to 1200 Deg.C, and performing pre-form rolling so as to obtain a uniform forging pressure for a connecting rod(10); a second step of performing a hot forging process for integrating a rod(13) and a cap(14) of the connecting rod into a single body; a third step of performing a control cooling process; a fourth step of performing a trimming process and a short blasting process for making the surface of the connecting rod clean; a fifth step of performing a mechanical processing to the connecting rod, in such a manner that a notch(15) having a width of 0.2mm and a depth of 0.5mm is formed inside a bore of a large end(12) of the connecting rod, and the notch is fractured so as to split the connecting rod into the rod and the cap; and a sixth step of forming fracture surfaces at the large end of the split connecting rod, and coupling the fracture surfaces without processing the fracture surfaces.
Abstract translation: 目的:提供一种制造热锻裂缝钢连杆的方法,以提高加工性和尺寸精度,同时降低制造成本,提高连杆强度。 构成:一种方法包括将直径为30〜50mm的高碳无回火钢加热至1100〜1200℃的第一工序,进行预成型轧制,得到均匀的锻造压力 连杆(10); 执行将连杆的杆(13)和盖(14)整合成单体的热锻工艺的第二步骤; 执行控制冷却过程的第三步骤; 进行修整处理的第四步骤和用于使连杆的表面清洁的短喷射处理; 对所述连杆执行机械加工的第五步骤,使得在所述连接件的大端(12)的孔内形成宽度为0.2mm和深度为0.5mm的凹口(15) 杆,并且切口断裂,以将连杆分成杆和盖; 以及在分割连杆的大端形成断裂面的第六步骤,并且在不处理断裂面的情况下连接断裂面。
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公开(公告)号:KR1020020049977A
公开(公告)日:2002-06-26
申请号:KR1020000079306
申请日:2000-12-20
Applicant: 현대자동차주식회사
Inventor: 박현수
IPC: B23K33/00
Abstract: PURPOSE: A welding method of a rear axle casing of a truck is provided to prolong the life span of the rear axle casing by carrying out welding between the rear axle casing and a hub of the truck in such a manner that a welded portion has a rectangular cross-sectional shape and a bead portion has an increased percentage of weld penetration. CONSTITUTION: A boundary portion between a rear axle casing(10) and a hub(20) press fitted into the rear axle casing(10) is welded. The welded portion is made rectangular in shape of its cross-section. A welded bead(30b) is made convex at its upper surface to increase the weld penetration percentage thereof. If the weld penetration percentage is increased as such, cracks are prevented from being occurred at the welded bead(30b) and the degradation of durability due to shrinkage is prevented.
Abstract translation: 目的:提供一种卡车的后桥壳体的焊接方法,通过在后桥壳体和卡车的轮毂之间进行焊接来延长后桥壳体的使用寿命,使得焊接部分具有 矩形横截面形状和胎圈部分具有增加的焊接穿透率。 构成:焊接后桥壳体(10)和压配合到后桥壳体(10)中的轮毂(20)之间的边界部分。 焊接部分的横截面形状为矩形。 焊接胎圈(30b)在其上表面形成凸起以增加其焊接穿透率。 如果焊接贯通百分比增加,则防止在焊接珠(30b)处发生裂纹,并且防止由于收缩引起的耐久性的劣化。
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公开(公告)号:KR1020010066065A
公开(公告)日:2001-07-11
申请号:KR1019990067647
申请日:1999-12-31
Applicant: 현대자동차주식회사
Inventor: 박현수
IPC: C22C38/04
Abstract: PURPOSE: A process for preparing an as rolled or normalized crankshaft by reducing the content of expensive Cr and Mo among C, Si, Mn, P, S, Cr, Mo and V and removing conventional reheating, quenching and tempering processes from processes is provided, which reduces manufacturing cost and increases productivity while maintaining mechanical characteristics close to the same level as conventional ones. CONSTITUTION: The titled as rolled or normalized crankshaft comprises 0.43 to 0.47% by weight of C, 0.15 to 0.35% by weight of Si, 1.1 to 1.3% by weight of Mn, 0.03% or less by weight of P, 0.04 to 0.07% by weight of S, 0.10 to 0.20% by weight of Cr and 0.08 to 0.15% by weight of V. The manufacturing process comprises a forging, air cooling and processing in regular order.
Abstract translation: 目的:通过降低C,Si,Mn,P,S,Cr,Mo和V中昂贵的Cr和Mo的含量来制备轧制或归一化曲轴的方法,并从工艺中除去常规的再加热,淬火和回火工艺 ,其降低制造成本并提高生产率,同时保持机械特性接近与常规机械特性相同的水平。 构成:标题为轧制或标准化的曲轴包括C:0.43〜0.47重量%,Si:0.15〜0.35重量%,Mn:1.1〜1.3重量%,P:0.03重量%以下,0.04〜0.07重量% 的S,0.10〜0.20重量%的Cr和0.08〜0.15重量%的V。制造方法包括以规则顺序的锻造,空气冷却和加工。
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