WO2015051672A1 - Hydraulic oil cooler - Google Patents

Hydraulic oil cooler Download PDF

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Publication number
WO2015051672A1
WO2015051672A1 PCT/CN2014/084994 CN2014084994W WO2015051672A1 WO 2015051672 A1 WO2015051672 A1 WO 2015051672A1 CN 2014084994 W CN2014084994 W CN 2014084994W WO 2015051672 A1 WO2015051672 A1 WO 2015051672A1
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WO
WIPO (PCT)
Prior art keywords
hydraulic oil
fan
oil cooler
heat
heat pipe
Prior art date
Application number
PCT/CN2014/084994
Other languages
French (fr)
Chinese (zh)
Inventor
薛长秋
孔祥冲
张顺
高绪森
梁建锋
卢连凤
荐云勇
官敏
朱纪芹
Original Assignee
益和电气集团股份有限公司
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
Application filed by 益和电气集团股份有限公司 filed Critical 益和电气集团股份有限公司
Priority to LU92608A priority Critical patent/LU92608B1/en
Publication of WO2015051672A1 publication Critical patent/WO2015051672A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers

Definitions

  • the invention relates to a cooler, in particular to a hydraulic oil cooler.
  • Hydraulic equipment usually uses pressure oil as the power to drive the actuator.
  • the pressure oil continues to work and the friction of the hydraulic equipment components causes the hydraulic oil temperature to rise, and the hydraulic oil
  • the temperature will directly affect the working conditions of the hydraulic equipment. If the temperature of the hydraulic oil is too high, the working efficiency of the equipment will be affected. More serious, some more sophisticated hydraulic equipment may be stopped, such as CNC lathes and CNC machining centers. Especially in summer, the temperature is higher and the hydraulic oil temperature will be too high.
  • the present invention provides a hydraulic oil cooler having a simple structure, high practicality, and low manufacturing cost in view of the above problems of the prior art.
  • a hydraulic oil cooler comprising a casing, wherein a heat dissipation pipe is arranged in the casing, and an oil inlet port and an oil outlet port of the heat pipe are disposed outside the casing, and the heat pipe is connected in series to the hydraulic device.
  • a fan is arranged on the casing, and a heat dissipation window is arranged on the casing in the direction of the fan blowing.
  • the hydraulic oil passes through the heat pipe, and the fan rotates to blow the air, so that the air on the surface of the heat pipe accelerates and takes away heat, thereby achieving the purpose of lowering the temperature of the hydraulic oil.
  • the heat pipe is serpentine. Setting the heat pipe to a serpentine shape can increase the heat dissipation area of the heat pipe inside the casing and improve the heat dissipation efficiency.
  • the hydraulic oil cooler of the present invention further includes a controller for controlling the rotation of the fan and a temperature sensor disposed at the inlet of the heat pipe, the temperature sensor being electrically connected to the controller, and the coil of the fan being electrically connected to the controller.
  • the temperature sensor detects the temperature of the inlet hydraulic oil and transmits the signal to the controller.
  • the controller controls the fan speed and starts and stops according to the received signal.
  • the outer wall of the heat pipe is provided with a heat sink, and the heat sink is parallel to the direction in which the fan blows.
  • the cross section of the heat sink in the blowing direction of the vertical fan is serpentine.
  • the technical solution can increase the heat dissipation area of the heat sink and improve the heat dissipation efficiency.
  • the heat sink is annular and perpendicular to the axis of the central heat pipe, disposed spaced 0.5cm-2 C m, the width of the annular fins is greater than 1/3 of the diameter of the heat pipe, the heat pipe is less than 1.5 times the diameter . It has been proved by a long time that the heat sink has the best heat dissipation effect when it satisfies the characteristics of the technical solution.
  • the width of the heat sink is equal to the diameter of the heat pipe.
  • the heat pipe is a copper pipe.
  • the thermal conductivity of copper is better, and the use of a copper heat pipe can improve heat dissipation efficiency.
  • the beneficial effects of the invention are as follows:
  • the hydraulic oil cooler of the invention has the advantages of simple structure, low production cost, high heat dissipation efficiency, strong practicability, and energy saving and environmental protection.
  • Figure 1 is a schematic structural view of the present invention
  • Figure 2 is a structural view of a heat pipe
  • Figure 3 is a structural view of the heat sink
  • Figure 4 is a structural diagram of the heat dissipation window
  • the figure shows: 1, housing, 2, heat pipe, 3, fan, 4, controller, 5, temperature sensor, 6, heat dissipation window, 7, heat sink.
  • a hydraulic oil cooler as shown in FIG. 1 to FIG. 3 includes a casing 1 in which a serpentine copper heat pipe 2 is disposed, and an oil inlet and an oil outlet of the heat pipe 2 are disposed in the casing.
  • the heat pipe 2 is connected in series to the normal pressure oil circuit of the hydraulic device, and the casing 1 is provided with a fan 3, and the casing 1 is provided with a heat dissipation window 6 in the direction in which the fan 3 is blown;
  • the outer wall of the heat pipe 2 is provided with an annular heat sink 7
  • the inner edge of the heat sink is fixedly connected to the outer wall of the heat pipe, and the heat sink 7 is parallel to the direction in which the fan 3 blows.
  • the cross section of the heat sink 7 in the blowing direction is serpentine, and the heat sink has a width of
  • the temperature sensor 5 transmits the oil temperature information to the controller.
  • the controller 4 controls the fan 3 to be turned on to cool the hydraulic oil, and when the oil temperature drops below the set temperature At this time, the controller 4 controls the fan 3 to stop rotating.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A hydraulic oil cooler, comprising a casing (1); cooling tubes (2) are disposed inside the casing (1); an oil inlet and an oil outlet of the cooling tubes (2) are disposed outside the casing (1); the cooling tubes (2) are connected cascading along the normal pressure oil path of a hydraulic device; the casing (1) is provided with a fan (3) thereon, and a radiating window (6) is provided in the air blowing direction of the fan (3). The hydraulic oil cooler has a simple structure, low manufacturing costs, high heat dissipation efficiency and good practicability, and is environmentally friendly.

Description

一种液压油冷却器  Hydraulic oil cooler
技术领域 Technical field
本发明涉及一种冷却器， 具体涉及一种液压油冷却器。  The invention relates to a cooler, in particular to a hydraulic oil cooler.
背景技术 Background technique
目前在工业生产中， 会用到各种各样的液压设备， 液压设备通常以压力油为动力来驱 动执行器工作， 压力油持续做功和液压设备部件的磨擦导致液压油温度上升， 而液压油的 温度会直接影响液压设备的工况， 液压油温度过高轻则影响设备的工作效率， 更严重的还 有可能使某些比较精密的液压设备停止工作， 例如数控车床、 数控加工中心等。 尤其是在 夏季， 气温比较高液压油温度会很容易过高。  At present, in industrial production, various hydraulic equipments are used. Hydraulic equipment usually uses pressure oil as the power to drive the actuator. The pressure oil continues to work and the friction of the hydraulic equipment components causes the hydraulic oil temperature to rise, and the hydraulic oil The temperature will directly affect the working conditions of the hydraulic equipment. If the temperature of the hydraulic oil is too high, the working efficiency of the equipment will be affected. More serious, some more sophisticated hydraulic equipment may be stopped, such as CNC lathes and CNC machining centers. Especially in summer, the temperature is higher and the hydraulic oil temperature will be too high.
发明内容 Summary of the invention
本发明针对上述现有技术的问题提供了一种结构简单、 实应性强、 制造成本低的液压 油冷却器。  The present invention provides a hydraulic oil cooler having a simple structure, high practicality, and low manufacturing cost in view of the above problems of the prior art.
本发明采用的技术方案是： 一种液压油冷却器， 包括壳体， 壳体内设有散热管， 散热 管的进油口和出油口设在壳体外， 散热管串接在液压设备的常压油路上， 壳体上设有风扇， 壳体上在风扇吹风的方向上设有散热窗。 液压油经过散热管， 风扇转动吹风， 使散热管表 面空气加速流动， 带走热量， 达到降低液压油温度的目的。  The technical solution adopted by the invention is: a hydraulic oil cooler comprising a casing, wherein a heat dissipation pipe is arranged in the casing, and an oil inlet port and an oil outlet port of the heat pipe are disposed outside the casing, and the heat pipe is connected in series to the hydraulic device. On the oil pressure road, a fan is arranged on the casing, and a heat dissipation window is arranged on the casing in the direction of the fan blowing. The hydraulic oil passes through the heat pipe, and the fan rotates to blow the air, so that the air on the surface of the heat pipe accelerates and takes away heat, thereby achieving the purpose of lowering the temperature of the hydraulic oil.
优选地， 所述散热管为蛇形。 将散热管设成蛇形可增大壳体内散热管的散热面积， 提 高散热效率。  Preferably, the heat pipe is serpentine. Setting the heat pipe to a serpentine shape can increase the heat dissipation area of the heat pipe inside the casing and improve the heat dissipation efficiency.
改进地， 本发明的液压油冷却器还包括控制风扇转动的控制器和设在散热管进油口处 的温度传感器， 温度传感器与控制器电连接， 风扇的线圈与控制器电连接。 通过温度传感 器检测进油口液压油的温度， 并将信号传递给控制器， 控制器根据接收到的信号控制风扇 的转速以及启停。采用本技术方案可以在油温过高或接近正常工作的最大油温时启动风扇， 而不是让风扇一直转动， 节约了能源。  Accordingly, the hydraulic oil cooler of the present invention further includes a controller for controlling the rotation of the fan and a temperature sensor disposed at the inlet of the heat pipe, the temperature sensor being electrically connected to the controller, and the coil of the fan being electrically connected to the controller. The temperature sensor detects the temperature of the inlet hydraulic oil and transmits the signal to the controller. The controller controls the fan speed and starts and stops according to the received signal. With this technical solution, the fan can be started when the oil temperature is too high or close to the maximum oil temperature for normal operation, instead of letting the fan rotate all the time, saving energy.
改进地， 所述散热管外壁设有散热片， 散热片与风扇吹风的方向平行。 采用本技术方 案更有利于散热。  In an improved manner, the outer wall of the heat pipe is provided with a heat sink, and the heat sink is parallel to the direction in which the fan blows. The use of this technical solution is more conducive to heat dissipation.
优选地， 所述散热片的垂直风扇吹风方向上的截面为蛇形。 采用本技术方案可以增大 散热片的散热面积， 提高散热效率。  Preferably, the cross section of the heat sink in the blowing direction of the vertical fan is serpentine. The technical solution can increase the heat dissipation area of the heat sink and improve the heat dissipation efficiency.
优选地， 所述散热片为圆环形且垂直于散热管中心轴线设置， 设置间隔 0.5cm-2Cm， 散 热片圆环的宽度大于 1/3散热管直径， 小于 1.5倍的散热管直径。 经长时间实践证明散热片 满足本技术方案的特征时散热效果最好。 Preferably, the heat sink is annular and perpendicular to the axis of the central heat pipe, disposed spaced 0.5cm-2 C m, the width of the annular fins is greater than 1/3 of the diameter of the heat pipe, the heat pipe is less than 1.5 times the diameter . It has been proved by a long time that the heat sink has the best heat dissipation effect when it satisfies the characteristics of the technical solution.
优选地， 所述散热片的宽度等于散热管的直径。 优选地， 所述散热管为铜管。 铜的导热效果比较好， 采用铜质散热管可以提高散热效 率。 Preferably, the width of the heat sink is equal to the diameter of the heat pipe. Preferably, the heat pipe is a copper pipe. The thermal conductivity of copper is better, and the use of a copper heat pipe can improve heat dissipation efficiency.
本发明的有益效果是： 本发明的液压油冷却器结构简单， 制作成本低， 散热效率高， 实用性强， 并且节能环保。  The beneficial effects of the invention are as follows: The hydraulic oil cooler of the invention has the advantages of simple structure, low production cost, high heat dissipation efficiency, strong practicability, and energy saving and environmental protection.
附图说明 DRAWINGS
图 1为本发明的结构示意图；  Figure 1 is a schematic structural view of the present invention;
图 2为散热管的结构图；  Figure 2 is a structural view of a heat pipe;
图 3为散热片结构图；  Figure 3 is a structural view of the heat sink;
图 4为散热窗的结构图示意；  Figure 4 is a structural diagram of the heat dissipation window;
图中所示： 1、壳体， 2、散热管， 3、风扇， 4、控制器， 5、温度传感器， 6、散热窗，7、 散热片。  The figure shows: 1, housing, 2, heat pipe, 3, fan, 4, controller, 5, temperature sensor, 6, heat dissipation window, 7, heat sink.
具体实 式 Specific form
下面结合附图和实施例对本发明做进一步说明。  The invention will be further described below in conjunction with the drawings and embodiments.
如图 1到图 3所示的一种液压油冷却器， 包括壳体 1， 壳体 1内设有蛇形铜质的散热管 2， 散热管 2的进油口和出油口设在壳体 1外， 散热管 2串接在液压设备的常压油路上， 壳 体 1上设有风扇 3， 壳体 1上在风扇 3吹风的方向上设有散热窗 6; 还包括控制风扇 3转动 的控制器 4和设在散热管 2进油口处的温度传感器 5，温度传感器 5与控制器 4电连接， 风 扇 3的线圈与控制器 4电连接； 散热管 2外壁设有环形散热片 7， 散热片内边缘与散热管外 壁固定连接， 散热片 7与风扇 3吹风的方向平行， 散热片 7的垂直风扇吹风方向上的截面 为蛇形， 散热片的宽度为 2/3倍的散热管直径。  A hydraulic oil cooler as shown in FIG. 1 to FIG. 3 includes a casing 1 in which a serpentine copper heat pipe 2 is disposed, and an oil inlet and an oil outlet of the heat pipe 2 are disposed in the casing. In addition to the body 1, the heat pipe 2 is connected in series to the normal pressure oil circuit of the hydraulic device, and the casing 1 is provided with a fan 3, and the casing 1 is provided with a heat dissipation window 6 in the direction in which the fan 3 is blown; The controller 4 and the temperature sensor 5 disposed at the oil inlet of the heat pipe 2, the temperature sensor 5 is electrically connected to the controller 4, the coil of the fan 3 is electrically connected to the controller 4; the outer wall of the heat pipe 2 is provided with an annular heat sink 7 The inner edge of the heat sink is fixedly connected to the outer wall of the heat pipe, and the heat sink 7 is parallel to the direction in which the fan 3 blows. The cross section of the heat sink 7 in the blowing direction is serpentine, and the heat sink has a width of 2/3 times. diameter.
使用时， 温度传感器 5将油温信息传递给控制器， 当进油口的油温大于设定值时， 控 制器 4控制风扇 3开启， 给液压油降温， 当油温降到设定温度以下时， 控制器 4控制风扇 3 停止转动。  In use, the temperature sensor 5 transmits the oil temperature information to the controller. When the oil temperature of the oil inlet is greater than the set value, the controller 4 controls the fan 3 to be turned on to cool the hydraulic oil, and when the oil temperature drops below the set temperature At this time, the controller 4 controls the fan 3 to stop rotating.
上述虽然结合附图对本发明的具体实施方式进行了描述， 但并非对本发明保护范围的 限制， 所属领域技术人员应该明白， 在本发明的技术方案的基础上， 本领域技术人员不需 要付出创造性劳动即可做出的各种修改或变形仍在本发明的保护范围以内。  The above description of the embodiments of the present invention is not limited to the scope of the present invention, and those skilled in the art should understand that those skilled in the art do not need to work creatively on the basis of the technical solutions of the present invention. Various modifications or variations that can be made are still within the scope of the invention.

Claims

权 利 要 求 书 Claim
1. 一种液压油冷却器， 其特征在于： 包括壳体， 壳体内设有散热管， 散热管的 进油口和出油口设在壳体外，散热管串接在液压设备的常压油路上， 壳体上设有 风扇， 壳体上在风扇吹风的方向上设有散热窗。 A hydraulic oil cooler, comprising: a housing; a heat dissipation tube is disposed in the housing; an oil inlet and an oil outlet of the heat dissipation tube are disposed outside the housing, and the heat dissipation tube is serially connected to the atmospheric pressure oil of the hydraulic device On the road, a fan is arranged on the casing, and a heat dissipation window is arranged on the casing in the direction of the fan blowing.
2. 根据权利要求 1所述的液压油冷却器， 其特征在于： 所述散热管为蛇形。  2. The hydraulic oil cooler according to claim 1, wherein: said heat pipe is serpentine.
3. 根据权利要求 1所述的液压油冷却器， 其特征在于： 还包括控制风扇转动的 控制器和设于散热管进油口处的温度传感器，温度传感器与控制器电连接，风扇 的线圈与控制器电连接。  3. The hydraulic oil cooler according to claim 1, further comprising: a controller for controlling the rotation of the fan and a temperature sensor disposed at the inlet of the heat pipe, wherein the temperature sensor is electrically connected to the controller, and the coil of the fan Electrically connected to the controller.
4. 根据权利要求 1所述的液压油冷却器， 其特征在于： 所述散热管外壁设有散 热片， 散热片与风扇吹风的方向平行。  4. The hydraulic oil cooler according to claim 1, wherein: the outer wall of the heat pipe is provided with a heat dissipation sheet, and the heat sink is parallel to a direction in which the fan blows.
5. 根据权利要求 1所述的液压油冷却器， 其特征在于： 所述散热片的垂直风扇 吹风方向上的截面为蛇形。  5. The hydraulic oil cooler according to claim 1, wherein: a cross section of the vertical fan in the blowing direction of the fin is serpentine.
6. 根据权利要求 4或 5所述的液压油冷却器， 其特征在于： 所述散热片为圆环 形且垂直于散热管中心轴线设置， 设置间隔 0. 5cm-2cm， 散热片圆环的宽度大于 1/3散热管直径， 小于 1. 5倍的散热管直径。  5厘米-2厘米, The fin of the heat sink is provided. The heat sink is provided in a circular shape and is disposed perpendicular to the central axis of the heat dissipating tube. The heat pipe diameter is greater than 1/3.
7. 根据权利要求 4或 5所述的液压油冷却器， 其特征在于： 所述散热片的宽度 等于散热管的直径。  7. The hydraulic oil cooler according to claim 4 or 5, wherein: the fin has a width equal to a diameter of the heat pipe.
8. 根据权利要求 1所述的液压油冷却器， 其特征在于： 所述散热管为铜管。  8. The hydraulic oil cooler according to claim 1, wherein the heat pipe is a copper pipe.
PCT/CN2014/084994 2013-10-10 2014-08-22 Hydraulic oil cooler WO2015051672A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LU92608A LU92608B1 (en) 2013-10-10 2014-08-22 Hydraulic oil cooler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310471664.1A CN103470577B (en) 2013-10-10 2013-10-10 A kind of hydraulic oil cooler
CN201310471664.1 2013-10-10

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Publication Number Publication Date
WO2015051672A1 true WO2015051672A1 (en) 2015-04-16

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LU (1) LU92608B1 (en)
WO (1) WO2015051672A1 (en)

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CN108978599B (en) * 2018-07-04 2021-08-31 芜湖谱瑞电子科技有限公司 Hydraulic starting and stopping equipment heat sink
CN109332574A (en) * 2018-10-12 2019-02-15 山东临朐恺强模具有限公司 A kind of press machine of energy rapid cooling
CN114109934A (en) * 2021-11-23 2022-03-01 建湖县八达液压机械有限公司 Oil tank hydraulic component for controlling temperature of hydraulic oil in real time

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