WO2014005384A1 - 动车组用冷却装置 - Google Patents

动车组用冷却装置 Download PDF

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Publication number
WO2014005384A1
WO2014005384A1 PCT/CN2012/083519 CN2012083519W WO2014005384A1 WO 2014005384 A1 WO2014005384 A1 WO 2014005384A1 CN 2012083519 W CN2012083519 W CN 2012083519W WO 2014005384 A1 WO2014005384 A1 WO 2014005384A1
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WIPO (PCT)
Prior art keywords
frame
wind
chassis
box
air
Prior art date
Application number
PCT/CN2012/083519
Other languages
English (en)
French (fr)
Inventor
孔丽君
李瑜
乔巍
张延蕾
严兵
王本义
Original Assignee
中国北车集团大连机车研究所有限公司
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
Priority claimed from CN 201220321143 external-priority patent/CN202764971U/zh
Priority claimed from CN2012102307903A external-priority patent/CN102717806A/zh
Application filed by 中国北车集团大连机车研究所有限公司 filed Critical 中国北车集团大连机车研究所有限公司
Publication of WO2014005384A1 publication Critical patent/WO2014005384A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00Heating, cooling, ventilating, or air-conditioning
    • B61D27/0072Means for cooling only

Definitions

  • the invention relates to the field of heat exchange technology, in particular to a cooling device for an EMU.
  • a cooling device for an EMU is provided.
  • the technical means adopted by the present invention are as follows:
  • a cooling device for an EMU comprising a support frame, at least one fan, a wind casing, an air box and a radiator
  • the support frame comprises a frame I and a frame II, the frame I and the frame II Each of the two ends is provided with a mounting seat
  • the fan is composed of a double shaft extension motor and a centrifugal fan impeller disposed at two ends of the motor shaft of the double shaft extension motor, and a motor frame is fixed above the double shaft extension motor
  • the wind chassis includes a wind chassis I and a wind chassis II, and the wind chassis I and the wind chassis II respectively cover the centrifugal fan impellers at both ends of the biaxial extension motor, and the wind chassis I and the wind chassis II a bottom plate is fixed on the bottom plate, and the bottom plate is respectively provided with a main exhaust vent which matches the opening of the wind chassis I and the lower end of the wind chassis II
  • the air inlet box includes an air box I and an air box II, The air box I and the air box II are respectively fixed on both sides of
  • the wind chassis I faces the air inlet side tank wall on the air intake box I side and the a wind collector is disposed on the air inlet side tank wall of the air intake box II side, and the current collector is a tapered open type set from the tank wall to the centrifugal fan impeller.
  • a flow collector, the collector small port cylinder is disposed inside the inlet air duct of the centrifugal fan impeller, and a radial tube between the current collector and the centrifugal fan impeller overlaps ⁇ 5mm gap.
  • a side exhaust vent is respectively formed on the wall of the wind chassis I and the wind chassis II.
  • the wind box I and the wind chassis II are respectively provided with a baffle on a wall of the side of the biaxial extension motor, and the upper end of the baffle is provided with a diameter larger than the biaxial extension motor.
  • a semi-circular hole I of a diameter of the motor shaft, and a semi-circular hole II matching the semi-circular hole I is disposed on a wall of the casing facing the side of the biaxial extension motor, and when the baffle is fastened to the casing, There is only one circular hole in the wall of the side of the casing that is in contact with the twin-shaft extension motor for the motor shaft of the twin-shaft extension motor to pass through.
  • the number of the current collectors is ni
  • the number of the baffles is n 2
  • n 3 ml.
  • an elastic sealing ring is disposed between the air box I and the wind chassis I and between the air box II and the fan box II.
  • the frame I, the frame II and the motor frame are provided with weight reducing holes; each of the mounting seats and the fixed ends of the frame I and the frame II are provided with reinforcing ribs I
  • the frame I and the frame II have a U-shaped cross section, and a reinforcing rib plate is arranged in the U-shaped structure.
  • the air box I, the air box II, the wind chassis I and the edge of the wind chassis II and the edge of the bottom plate are provided with holes for installing a fire alarm cable.
  • a combined air filter may be disposed on both sides of the radiator I and the radiator II.
  • the heat sink I and the heat sink II adopt a plate-fin structure, wherein the air fin adopts a non-cut corrugated fin structure, and the oil passage adopts a small-wavelength multi-cut fin structure.
  • the invention adopts the overall matching design method, and uses the simulation calculation and analysis means to achieve a reasonable matching between the performance of each component.
  • the invention has the following advantages:
  • the weight reduction structure design makes the structure of the cooling device more compact and lighter in weight
  • connection between the components reduces the adverse effects of the internal vibration source on the components of the cooling device.
  • the cooling device is more reliable;
  • the structural design of the wind turbine makes the air flow smoother and consumes less auxiliary power.
  • the invention meets the requirements of heat dissipation, has the advantages of small volume, compact structure, high reliability, low noise, convenient installation and small maintenance and repair work.
  • the present invention can be widely spread in the field of mobile equipment cooling systems and the like.
  • Figure 1 is a front view of the present invention.
  • Figure 2 is a schematic illustration of the shelf II of the present invention.
  • Figure 3 is a schematic view of the A-A direction of Figure 2.
  • Figure 4 is a schematic perspective view of the present invention.
  • a cooling device for an EMU includes a support frame, two fans, a wind chassis, an air intake box, and a radiator.
  • the support frame comprises a frame I 11 and a frame II 12, and the frame I 11 and the frame II 12 are made of a low-temperature resistant steel plate and have a U-shaped cross section, and are set on the frame 1 11 and the frame II 12 according to the strength simulation calculation result.
  • a certain number of lightening holes are provided with reinforcing ribs 16 (shown in FIG.
  • the mounting seat 13 is fixed to the frame I 11 and the frame II 12 by welding; each of the mounting seats 13 and the fixed ends of the frame I 11 and the frame II 12 are provided with reinforcing ribs I 15 (as shown in the figure) 2));
  • the mounting seat 13 is made by bending and welding the L-shaped steel plate with flank.
  • This special design has a simple structure, which not only meets the strength requirements, but also minimizes the weight of the support frame.
  • the mounting seat 13 and the support frame can also be connected by other means such as fasteners, and the U-shaped cross-section can be dimensioned along the length of the support frame.
  • the fan is composed of a double shaft extension motor 21 and a centrifugal fan impeller 22 disposed at two ends of the motor shaft of the twin shaft extension motor 21, two fans, and four centrifugal fan impellers 22; the shaft center line of the fan and
  • the length of the support frame is the same.
  • a motor frame 14 is fixed on the biaxial extension motor 21, and the electric frame 14 is formed by bending and bending the low temperature resistant porous plate.
  • the electric frame 14 is perpendicular to the frame 1 11 and the frame II 12 in the longitudinal direction.
  • the motor frame 14 is provided with a weight reducing hole, and the frequency of the motor frame 14 is appropriately adjusted through the weight reducing hole, so that the first order frequency of the motor frame 14 is completely avoided. Motor operating frequency.
  • the electric frame 14 has a rectangular shape in a cross section, and two flanges on the outer side of the rectangular wave are deformable.
  • a reinforcing rib is arranged on the inner side of the two vertical sides of the rectangular wave along the longitudinal direction of the motor frame 14.
  • This structural design is the same as the design of the support frame, and the structure is simple, which satisfies The strength requirements, while minimizing weight.
  • the rectangular wave section has a variable size design.
  • the wind chassis includes a wind chassis I 31 and a wind chassis II 32.
  • the wind chassis I 31 and the wind chassis II 32 respectively cover the centrifugal fan impeller 22 at two ends of the twin-shaft extension motor 21, and the wind chassis I 31 and a lower portion of the wind chassis II 32 are fixed with a bottom plate 33, and the bottom plate 33 is respectively provided with a main exhaust vent which matches the opening of the wind chassis I 31 and the lower end of the wind chassis ; 32;
  • the air box includes an air box I 41 and an air box 1142, and the air box I 41 and the air box ⁇ 42 are respectively fixed on both sides of the wind box I 31 and the wind box ⁇ 32.
  • An elastic sealing ring 43 is disposed between the air box I 41 and the wind chassis I 31 and between the air box ⁇ 42 and the wind box ⁇ 32. This design ensures the air system tightness. The abnormal sealing noise can be avoided; at the same time, the elastic sealing ring 43 can absorb the impact and vibration generated by the air flow inside the box body, reduce the influence of the internal vibration source on the cooling device radiator, and is beneficial to the cooling device. Reliability, adjust the axial deformation of the heat sink after heating.
  • the wind chassis I 31 faces the air inlet side tank wall on the side of the air inlet box I 41 and the air inlet side wall of the wind box ⁇ 32 facing the air box II 42 side respectively
  • a current collector 23 is provided for a total of four; the current collector 23 is a tapered open type current collector from the tank wall toward the centrifugal fan impeller 22, and the current collector 23 small port cylindrical cover Inside the inlet air duct of the centrifugal fan impeller 22, a gap of 1 to 5 mm is left between the radial direction of the air cylinder of the portion where the current collector 23 and the centrifugal fan impeller 22 overlap each other.
  • This design can make the cooling air enter the fan evenly and smoothly, which is beneficial to reduce the air circulation resistance, reduce the leakage of air at the inlet of the centrifugal fan impeller 22, increase the air flow, and ultimately help to improve the cooling capacity of the cooling device and reduce the air flow. Noise, reducing the power consumed by the motor and saving energy.
  • the wind box I 31 and the wind box ⁇ 32 are respectively disposed on the side of the box body facing the twin-shaft extension motor 21, and four baffles 34 are respectively disposed, and the upper end of the baffle 34 is provided with a diameter slightly larger than a semicircular hole I of a motor shaft diameter of the biaxial extension motor 21, and a semicircular hole II matching the semicircular hole I on a wall of the casing facing the side of the biaxial extension motor 21, the baffle
  • the baffle 34 When the buckle 34 is fastened to the casing, only one circular hole is formed in the wall of the casing facing the side of the twin-shaft extension motor 21, and the motor shaft of the twin-shaft extension motor 21 can pass through. Improve the air flow in the wind chassis to improve cooling and cooling capacity.
  • a wind chassis partition is respectively disposed in the air box of the wind chassis 1 31 and the wind chassis II 32.
  • the fan partition plate makes each fan flow channel independent, and does not affect the fan group due to mutual interference of multiple fan exhausts. Overall ventilation performance.
  • the air chassis is provided with a side exhaust vent on the wall of the wind chassis I 31 and the wind box ⁇ 32, and the side exhaust vents can be opened in the box body. On the side wall or on the side wall on either side, this design can reduce the amount of air exhausted at the bottom of the fan, that is, reduce the exhaust speed at the bottom of the fan, and make the overall aerodynamic performance of the cooling device.
  • a plurality of reinforcing ribs are respectively arranged on the wind casing body and the bottom plate 33, which can further enhance the load capacity of the box body. .
  • the heat sink includes a heat sink I 51 and a heat sink II 52, and the heat sink I 51 and the heat sink II 52 are respectively fixed on both sides of the air box 141 and the air box ⁇ 42;
  • the heat sink I 51 and the heat sink ⁇ 52 both adopt a plate-fin structure, wherein the air fin adopts a non-cut corrugated fin structure, and the structure solves the problem that the EMU radiator is easy to be dirty and has a large maintenance workload.
  • a composite air filter may be disposed on both sides of the radiator I 51 and the radiator II 52 as needed.
  • a frame 14 is fixedly coupled between the frame I 11 and the frame II 12 . That is, the components are not directly connected to the vibration source components. This design reduces the influence of internal vibration generated by the rotation of the cooling device motor on the cabinet, and also reduces the possibility of cracks in each component and improves the reliability of the cooling device.
  • the air box 141, the air box 1142, the wind box 1 31, and the rim of the wind chassis II 32 and the edge of the bottom plate 33 are provided with a fire alarm cable.
  • the hole 17 can increase the safety performance of the device.
  • the various components of the invention can be increased or decreased as needed.
  • the motor 21 of the fan rotates to drive the centrifugal fan impeller 22 to rotate, attracting external ambient air to the radiator, and the cooling air passes through the radiator to absorb the heat of the high temperature liquid in the inner cavity of the radiator, and then passes through the air box.
  • the wind chassis, under the action of the centrifugal fan impeller 22, the airflow is rotated 90 degrees and then blown vertically to the ground.
  • the cooled liquid flows back to the transformer or converter under the action of the pump to complete the cooling of the electrical components.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种动车组用冷却装置,包括支撑架、至少一个风机、风机箱、进气箱和散热器,其中支撑架包括架I(11)和架II(12),架I(11)和架II(12)的两端各设有一个安装座(13);风机由双轴伸电机(21)和离心风机叶轮(22)组成,双轴伸电机(21)上方固定有电机架(14);风机箱包括风机箱I(31)和风机箱II(32),风机箱I(31)和风机箱II(32)分别罩在双轴伸电机(21)两端的离心风机叶轮(22)上,风机箱I(31)和风机箱II(32)的下部固定有底板(33),进气箱包括进气箱I(41)和进气箱II(42),散热器包括散热器I(51)和散热器II(52),将固定成一体的散热器I(51)、散热器II(52)、进气箱I(41)、进气箱II(42)、风机箱I(31)、风机箱II(32)和电机架(14)固定连接于架I(11)和架II(12)之间。本发明具有结构紧凑,质量轻,可靠性高,噪音小,安装方便,维护维修工作量小等优点。

Description

动车组用冷却装置
技术领域
本发明涉及换热技术领域, 具体地说是一种动车组用冷却装置。
背景技术
目前, 高速动车组对牵引传动系统集成式冷却装置性能要求较高, 对可靠 性要求极高, 对噪声和振动要求苛刻。 动车组运行过程中, 逐渐暴露出冷却装 置存在的一些问题, 例如少数冷却装置散热能力不足、 风机箱体裂纹、 散热器 泄漏、 散热器积尘严重且不易清洗等。 对于时速较高的动车组而言, 需增加冷 却牵引传动系统的冷却装置的数量, 因此对冷却装置的重量又提出了严格的限 制。 为提高冷却装置散热能力和可靠性, 及方便使用和维护, 降低运用成本, 有必要提供一种散热能力强、 可靠性高、 重量轻、 辅助功率消耗低、 使用维护 方便, 运用成本低廉的冷却装置来解决上述问题。
发明内容
根据上述提出的技术问题, 而提供一种动车组用冷却装置。 本发明采用的 技术手段如下:
一种动车组用冷却装置, 包括支撑架、 至少一个风机、 风机箱、 进气箱和 散热器, 其特征在于: 所述支撑架包括架 I和架 II, 所述架 I和所述架 II的两 端各设有一个安装座; 所述风机由双轴伸电机和设置在所述双轴伸电机的电机 轴两端的离心风机叶轮组成, 所述双轴伸电机上方固定有电机架; 所述风机箱 包括风机箱 I和风机箱 II, 所述风机箱 I和所述风机箱 II分别罩在所述双轴伸 电机两端的离心风机叶轮上, 所述风机箱 I和所述风机箱 II的下部固定有底板, 所述底板上分别设有与所述风机箱 I和所述风机箱 II下端开口相匹配的主排风 口; 所述进气箱包括进气箱 I和进气箱 II, 所述进气箱 I和所述进气箱 II分别 固定在所述风机箱 I和所述风机箱 II的两侧; 所述散热器包括散热器 I和散热 器 II, 所述散热器 I和所述散热器 II分别固定在所述进气箱 I和所述进气箱 II 的两侧; 将固定成一体的所述散热器 I、 所述散热器 II、 所述进气箱 I、 所述 进气箱 II、 所述风机箱 I、 所述风机箱 II和所述电机架固定连接于所述架 I和 所述架 II之间。
作为优选, 所述风机箱 I面向所述进气箱 I一侧的进风侧箱体壁上和所述 风机箱 π面向所述进气箱 II一侧的进风侧箱体壁上分别设有集流器, 所述集流 器是从箱体壁向所述离心风机叶轮方向渐缩式开口型集流器, 所述集流器小端 口圆筒罩在所述离心风机叶轮的进风风筒内侧, 所述集流器与所述离心风机叶 轮相互重叠部分的风筒径向之间留有 l〜5mm间隙。
作为优选, 所述风机箱 I和所述风机箱 II的箱体壁上分别开设有侧排风口。 作为优选, 所述风机箱 I和所述风机箱 II面向所述双轴伸电机一侧的箱体 壁上分别设有挡板, 所述挡板的上端设有直径大于所述双轴伸电机的电机轴直 径的半圆孔 I, 面向所述双轴伸电机一侧的箱体壁上设有与所述半圆孔 I相匹 配的半圆孔 II, 所述挡板扣合到箱体上时, 与所述双轴伸电机相接触的一侧箱 体壁上仅剩一个可供所述双轴伸电机的电机轴穿过的圆孔。
作为优选, 所述集流器的数量为 ni, 所述挡板的数量为 n2, ^和 满足:
1^=112=2111,
其中 m为所述风机的数量; 所述风机箱 I和所述风机箱 II的箱体内分别设有风 机箱隔板, 所述风机箱 I和所述风机箱 II箱体中的风机箱隔板的数量为 n3, n3 两足:
n3=m-l。
作为优选, 所述进气箱 I与所述风机箱 I之间和所述进气箱 II与所述风机 箱 II之间均设有弹性密封环。
作为优选, 所述架 I、 所述架 II和所述电机架上均设有减重孔; 每个所述 安装座与所述架 I和所述架 II的固定端均设有加强筋 I; 所述架 I和所述架 II 的截面为 U型, 在 U型结构内设有加强筋板。
作为优选, 所述进气箱 I、 所述进气箱 II、 所述风机箱 I和所述风机箱 II 的箱体边沿及所述底板的边沿均设有可安装火情报警电缆的孔。
作为优选, 所述散热器 I和所述散热器 II的两侧还可设置复合式空气过滤 器。
作为优选, 所述散热器 I和所述散热器 II均采用板翅式结构, 其中空气翅 片采用无切口波纹形散热片结构, 油通道内采用小波距多切口翅片结构。
本发明采用整体配套设计方法, 利用仿真计算分析手段, 实现各部件性能 之间合理匹配。 本发明具有以下优点:
1、 减重结构设计, 使冷却装置结构更紧凑, 重量更轻;
2、 部件间的连接方式, 减低了内部振源对冷却装置各部件的不利影响, 使 冷却装置可靠性更高;
3、 风机组结构设计, 使空气流动更顺畅, 消耗的辅助功率更低。
本发明满足散热要求的前提下, 体积小、 结构紧凑、 可靠性高、 噪音低、 安装方便、 维护维修工作量小。 基于上述理由本发明可在移动装备车用冷却系 统等领域广泛推广。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明。
图 1是本发明主视图。
图 2是本发明架 II的示意图。
图 3是图 2中 A-A向的示意图。
图 4是本发明的立体结构示意图。
具体实施方式
如图 1和图 4所示, 一种动车组用冷却装置, 包括支撑架、 两个风机、 风 机箱、 进气箱和散热器。 所述支撑架包括架 I 11和架 II 12, 架 I 11和架 II 12采 用耐低温钢板折弯制成, 截面为 U形, 根据强度模拟计算结果, 在架 1 11和架 II 12上设置一定数量的减重孔, 在 U型结构内主承重位置上设置加强筋板 16 (如图 3所示); 所述架 1 11和所述架 II 12的两端各设有一个安装座 13, 安装 座 13通过焊接的方式与架 I 11和架 II 12固定; 每个所述安装座 13与所述架 I 11和所述架 II 12的固定端均设有加强筋 I 15 (如图 2所示); 安装座 13采用带 侧翼的 L形钢板折弯后焊接制成, 这种特殊的设计, 结构简单, 既满足了强度 要求, 又能最大限度地减轻支撑架的重量。 根据具体设计, 安装座 13与支撑架 之间也可采用紧固件等其它方式连接, 沿支撑架长度方向, U形截面可变尺寸 设计。
所述风机由双轴伸电机 21和设置在所述双轴伸电机 21 的电机轴两端的离 心风机叶轮 22组成, 2个风机, 共 4个离心风机叶轮 22; 所述风机的轴中心线 与支撑架长度方向一致。 所述双轴伸电机 21上方固定有电机架 14, 电机架 14 采用耐低温多孔板折弯后焊接制成。 电机架 14沿长度方向与架 1 11 和架 II 12 垂直, 所述电机架 14上设有减重孔, 通过减重孔合理调整电机架 14的频率, 使电机架 14一阶频率彻底避开电机运行频率。 电机架 14截面近似 1个矩形波 形, 矩形波外侧的 2个翻边可变形设计, 沿电机架 14长度方向, 在矩形波两垂 直边内侧设置加强筋。 这种结构设计与支撑架的设计一样, 结构简单, 既满足 了强度要求, 又能最大限度地减轻重量。根据具体设计, 沿电机架 14长度方向, 矩形波截面可变尺寸设计。
所述风机箱包括风机箱 I 31和风机箱 II 32, 所述风机箱 I 31和所述风机箱 II 32分别罩在所述双轴伸电机 21两端的离心风机叶轮 22上, 所述风机箱 I 31 和所述风机箱 II 32的下部固定有底板 33, 所述底板 33上分别设有与所述风机 箱 I 31和所述风机箱 Π 32下端开口相匹配的主排风口; 所述进气箱包括进气箱 I 41和进气箱 1142,所述进气箱 I 41和所述进气箱 Π 42分别固定在所述风机箱 I 31和所述风机箱 Π 32的两侧, 所述进气箱 I 41与所述风机箱 I 31之间和所 述进气箱 Π 42与所述风机箱 Π 32之间均设有弹性密封环 43,这种设计保证了空 气系统的密封性, 可避免漏气产生的异常噪音; 同时, 弹性密封环 43可吸收箱 体内部空气流动产生的对箱体的冲击和振动, 减少内部振源对冷却装置散热器 的影响, 有利于提高冷却装置的可靠性, 调整散热器受热后的轴向变形。 所述 风机箱 I 31面向所述进气箱 I 41一侧的进风侧箱体壁上和所述风机箱 Π 32面向 所述进气箱 II 42—侧的进风侧箱体壁上分别设有集流器 23, 共 4个; 所述集流 器 23是从箱体壁向所述离心风机叶轮 22方向渐缩式开口型集流器, 所述集流 器 23小端口圆筒罩在所述离心风机叶轮 22的进风风筒内侧, 所述集流器 23与 所述离心风机叶轮 22相互重叠部分的风筒径向之间留有 l〜5mm间隙。这种设 计可以使冷却空气均匀平滑地进入风机, 有利于降低空气流通阻力, 减少空气 在离心风机叶轮 22进口处的泄漏量, 提高空气流量, 最终有助于提高冷却装置 散热能力, 降低空气流动噪音, 降低电机消耗的功率, 节省能源。 所述风机箱 I 31和所述风机箱 Π 32面向所述双轴伸电机 21—侧的箱体壁上还分别设有 4 块挡板 34, 所述挡板 34的上端设有直径略大于所述双轴伸电机 21的电机轴直 径的半圆孔 I, 面向所述双轴伸电机 21—侧的箱体壁上设有与所述半圆孔 I相 匹配的半圆孔 II, 所述挡板 34扣合到箱体上时, 面向所述双轴伸电机 21—侧 的箱体壁上仅剩一个可供所述双轴伸电机 21的电机轴穿过的圆孔, 这种设计可 进一步提高风机箱体内空气流量, 提高冷却散热能力。 所述风机箱 1 31 和所述 风机箱 II 32的箱体内分别设有 1个风机箱隔板,风机分隔板使各风机流道独立, 不会因多风机排风相互干扰而影响风机组的整体通风性能。 风机箱除了底部设 置主排风口外, 在所述风机箱 I 31和所述风机箱 Π 32的箱体壁上分别开设有侧 排风口, 所述侧排风口可以开在箱体的两侧壁或者任一侧的侧壁上, 这种设计 可降低风机底部排风量, 即降低风机底部排风速度, 使冷却装置总体气动性能 更好, 可降低风机箱及底板 33负荷, 减少箱体产生裂纹的可能性, 提高冷却装 置可靠性; 同时在风机箱体和底板 33上分别设置多个加强筋, 可进一步增强箱 体负荷能力。
所述散热器包括散热器 I 51和散热器 II 52, 所述散热器 I 51和所述散热器 II 52分别固定在所述进气箱 1 41 和所述进气箱 Π 42 的两侧; 所述散热器 I 51 和所述散热器 Π 52均采用板翅式结构, 其中空气翅片采用无切口波纹形散热片 结构, 这种结构解决了动车组散热器易污脏、 维护工作量大等难题; 油通道内 采用小波距多切口翅片结构, 在满足油侧压力损失的前提下, 提高了散热能力。 根据需要, 所述散热器 I 51和所述散热器 II 52的两侧还可设置复合式空气过滤 器。
将固定成一体的所述散热器 1 51、 所述散热器 1152、 所述进气箱 1 41、 所 述进气箱 1142、所述风机箱 I 31、所述风机箱 II 32和所述电机架 14固定连接于 所述架 I 11和所述架 II 12之间。 即各部件与振源部件不直接相连, 这种设计降 低了冷却装置电机旋转产生的内部振动对箱体的影响, 同样可以减少各部件产 生裂纹的可能性, 提高冷却装置可靠性。
另外, 所述进气箱 1 41、 所述进气箱 1142、 所述风机箱 1 31 和所述风机箱 II 32的箱体边沿及所述底板 33的边沿均设有可安装火情报警电缆的孔 17, 可 增加设备的安全性能。 本发明各组成部分可根据需要增减数量。
本发明工作时, 风机的电机 21旋转, 带动离心风机叶轮 22转动, 吸引外 部环境空气流向散热器, 冷却空气经过散热器, 吸收散热器内腔中高温液体的 热量后, 再先后经过进气箱、 风机箱, 在离心风机叶轮 22的作用下气流旋转 90 度后垂直吹向地面。 被冷却后的液体在泵的作用下流回变压器或变流器, 完成 对电器元件的冷却。
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并不局 限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 根据本 发明的技术方案及其发明构思加以等同替换或改变, 都应涵盖在本发明的保护 范围之内。

Claims

权 利 要 求 书
1、 一种动车组用冷却装置, 包括支撑架、 至少一个风机、 风机箱、 进气箱 和散热器,其特征在于:所述支撑架包括架 I (11)和架 II (12),所述架 I (11) 和所述架 II (12)的两端各设有一个安装座(13); 所述风机由双轴伸电机(21) 和设置在所述双轴伸电机 (21) 的电机轴两端的离心风机叶轮 (22) 组成, 所 述双轴伸电机 (21) 上方固定有电机架 (14); 所述风机箱包括风机箱 I (31) 和风机箱 II (32), 所述风机箱 I (31) 和所述风机箱 II (32)分别罩在所述双 轴伸电机 (21) 两端的离心风机叶轮 (22) 上, 所述风机箱 I (31) 和所述风 机箱 II (32) 的下部固定有底板 (33), 所述底板 (33)上分别设有与所述风机 箱 I (31) 和所述风机箱 II (32) 下端开口相匹配的主排风口; 所述进气箱包 括进气箱 I (41)和进气箱 II (42), 所述进气箱 I (41)和所述进气箱 II (42) 分别固定在所述风机箱 I (31) 和所述风机箱 II (32) 的两侧; 所述散热器包 括散热器 I (51)和散热器 II (52), 所述散热器 I (51)和所述散热器 II (52) 分别固定在所述进气箱 I (41) 和所述进气箱 II (42) 的两侧; 将固定成一体 的所述散热器 I (51)、 所述散热器 II (52)、 所述进气箱 I (41)、 所述进气箱 II (42)、 所述风机箱 I (31)、 所述风机箱 II (32) 和所述电机架 (14) 固定 连接于所述架 I (11) 和所述架 II (12) 之间。
2、 根据权利要求 1所述的动车组用冷却装置, 其特征在于: 所述风机箱 I (31) 面向所述进气箱 I (41) 一侧的进风侧箱体壁上和所述风机箱 II (32) 面向所述进气箱 II (42)一侧的进风侧箱体壁上分别设有集流器 (23), 所述集 流器 (23) 是从箱体壁向所述离心风机叶轮 (22) 方向渐缩式开口型集流器, 所述集流器 (23) 小端口圆筒罩在所述离心风机叶轮 (22) 的进风风筒内侧, 所述集流器 (23) 与所述离心风机叶轮 (22) 相互重叠部分的风筒径向之间留 有 l〜5mm间隙。
3、 根据权利要求 1所述的动车组用冷却装置, 其特征在于: 所述风机箱 I (31) 和所述风机箱 II (32) 的箱体壁上分别开设有侧排风口。
4、 根据权利要求 1所述的动车组用冷却装置, 其特征在于: 所述风机箱 I (31) 和所述风机箱 II (32) 面向所述双轴伸电机 (21) —侧的箱体壁上分别 设有挡板 (34), 所述挡板 (34) 的上端设有直径大于所述双轴伸电机 (21) 的 电机轴直径的半圆孔 I, 面向所述双轴伸电机 (21) —侧的箱体壁上设有与所 述半圆孔 I相匹配的半圆孔 II, 所述挡板 (34) 扣合到箱体上时, 面向所述双 轴伸电机 (21) —侧的箱体壁上仅剩一个可供所述双轴伸电机 (21) 的电机轴 穿过的圆孔。
5、根据权利要求 1所述的动车组用冷却装置,其特征在于:所述集流器(23) 的数量为 ^, 所述挡板 (34) 的数量为 n2, 和 满足:
1^=112=2111,
其中 m为所述风机的数量; 所述风机箱 I (31) 和所述风机箱 II (32) 的箱体 内分别设有风机箱隔板, 所述风机箱 I (31) 和所述风机箱 II (32) 箱体中的 风机箱隔板的数量为 n3, n3满足:
n3=m-l。
6、 根据权利要求 1所述的动车组用冷却装置, 其特征在于: 所述进气箱 I (41) 与所述风机箱 I (31)之间和所述进气箱 II (42) 与所述风机箱 II (32) 之间均设有弹性密封环 (43)。
7、根据权利要求 1所述的动车组用冷却装置,其特征在于:所述架 I (11)、 所述架 II (12) 和所述电机架 (14) 上均设有减重孔; 每个所述安装座 (13) 与所述架 I (11)和所述架 II (12) 的固定端均设有加强筋 I (15); 所述架 I
(11) 和所述架 II (12) 的截面为 U型, 在 U型结构内设有加强筋板 (16)。
8、 根据权利要求 1所述的动车组用冷却装置, 其特征在于: 所述进气箱 I (41)、 所述进气箱 II (42)、 所述风机箱 I (31) 和所述风机箱 II (32) 的箱 体边沿及所述底板 (33) 的边沿均设有可安装火情报警电缆的孔 (17)。
9、 根据权利要求 1所述的动车组用冷却装置, 其特征在于: 所述散热器 I (51) 和所述散热器 II (52) 的两侧还可设置复合式空气过滤器。
10、 根据权利要求 1所述的动车组用冷却装置, 其特征在于: 所述散热器 I (51) 和所述散热器 II (52) 均采用板翅式结构, 其中空气翅片采用无切口 波纹形散热片结构, 油通道内采用小波距多切口翅片结构。
PCT/CN2012/083519 2012-07-04 2012-10-25 动车组用冷却装置 WO2014005384A1 (zh)

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