WO2017215287A1 - 一种新型风力发电齿轮箱润滑冷却系统 - Google Patents

一种新型风力发电齿轮箱润滑冷却系统 Download PDF

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Publication number
WO2017215287A1
WO2017215287A1 PCT/CN2017/074893 CN2017074893W WO2017215287A1 WO 2017215287 A1 WO2017215287 A1 WO 2017215287A1 CN 2017074893 W CN2017074893 W CN 2017074893W WO 2017215287 A1 WO2017215287 A1 WO 2017215287A1
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Prior art keywords
control valve
temperature control
port
temperature
filter
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PCT/CN2017/074893
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English (en)
French (fr)
Inventor
周国贞
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Soliner (nanjing) Intelligent Technology Co Ltd
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Soliner (nanjing) Intelligent Technology Co Ltd
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Priority to DE112017000020.3T priority Critical patent/DE112017000020B4/de
Priority to US15/652,277 priority patent/US20180245570A1/en
Publication of WO2017215287A1 publication Critical patent/WO2017215287A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
    • F16H57/0404—Lubricant filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps; Pressure control
    • F16H57/0436—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the invention relates to the field of hydraulic technology and new energy, and particularly relates to a temperature control valve in a lubricating and cooling system of a wind power generating gear box.
  • the temperature control valve of the current wind turbine gearbox lubrication system is directly installed at the bottom of the filter (at the filter outlet).
  • the oil temperature is lower than the temperature of the temperature control valve when the low temperature port is closed (generally 60 degrees)
  • the oil Divided into two ways, all the way directly into the gear box, all the way through the cooler and then enter the gear box; when the oil temperature is higher than the temperature of the temperature control valve when the low temperature port is closed, the oil is cooled by the cooler and then enters the gear box. Since this type of installation is derived from foreign designs, lubrication system manufacturers basically adopt this principle.
  • the oil When the gear box is in normal operation, the oil will always be in a high temperature state (the maximum oil temperature can reach 80 degrees). Since the temperature control valve is directly installed behind the filter, the high temperature oil directly enters the temperature control valve, so the temperature control package of the temperature control valve has been It will be in an overload state, and the temperature control valve will work in a high temperature state for a long time, and the life expectancy will be greatly shortened. If the temperature control package of the temperature control valve is in the normal load state, only let it work within a reasonable temperature range, so the oil temperature entering the temperature control valve must be controlled within the operating temperature range, so that the life of the temperature control valve is Will return to a reasonable range.
  • the object of the present invention is to provide a novel wind power generation gearbox lubrication cooling system, which has the advantages of simple structure and unique principle, and can effectively extend the service life of the temperature control valve.
  • a novel wind power gearbox lubrication cooling system comprises a motor pump, a filter, a cooler and a temperature control valve, wherein the outlet of the motor pump is connected to the oil inlet of the filter, and one of the filters
  • the port E is connected to the low temperature port A of the temperature control valve
  • the other port F is connected to the inlet of the cooler
  • the outlet of the cooler is connected to the high temperature port B of the temperature control valve
  • the outlet of the cooler is directly Connect to outlet C of the thermostatic valve.
  • the oil entering the high temperature port B of the temperature control valve is a low temperature oil cooled by the cooler.
  • the oil outlet E of the filter is connected to the low temperature port A of the temperature control valve and then communicates with the outlet C of the temperature control valve.
  • the outlet C of the thermostatic valve is connected to the gearbox distributor.
  • Each port of the thermostatic valve is rigidly connected to an adjacent component or connected by a pipe.
  • the thermostatic valve is mounted inside the filter or cooler.
  • the oil outlet F of the filter is connected to the outlet C of the temperature control valve of the temperature control valve, and then to the low temperature port A of the temperature control valve. In the same manner, the oil outlet F of the filter communicates with the low temperature port A of the temperature control valve.
  • the position of the temperature control valve 5 is adjusted so that the oil entering the temperature control valve 5 is no longer a high temperature oil, but a low temperature oil cooled by a cooler, improving The working environment of the temperature control valve 5 greatly improves its reliability.
  • Figure 1 is a schematic diagram of a first embodiment of the present invention.
  • Figure 2 is a schematic diagram of a second embodiment of the present invention.
  • Figure 3 is a schematic diagram of a third embodiment of the present invention.
  • Figure 4 is a schematic diagram of a fourth embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a fifth embodiment of the present invention (the temperature control valve is integrated with the cooler).
  • FIG. 6 is a schematic diagram of a sixth embodiment of the present invention (the temperature control valve is integrated with the filter).
  • the invention comprises a motor pump 1, a filter 3, a cooler 4, a temperature control valve 5, an outlet of the motor pump 1 is connected to an oil inlet of the filter 3, and an oil outlet E of the filter 3
  • the low temperature port A of the temperature control valve 5 is connected, the other oil outlet port F is connected to the inlet of the cooler 4, the outlet of the cooler 4 is connected to the high temperature port B of the temperature control valve 5, or the outlet of the cooler 4 is directly Connected to the outlet C of the temperature control valve 5.
  • the oil entering the high temperature port B of the temperature control valve 5 is the low temperature oil cooled by the cooler 4.
  • the oil outlet E of the filter 3 is connected to the low temperature port A of the temperature control valve 5 and then communicates with the outlet C of the temperature control valve 5.
  • the outlet C of the temperature control valve 5 is connected to the gearbox distributor.
  • Each port of the temperature control valve 5 is rigidly connected to an adjacent component or connected by a pipe.
  • the temperature control valve 5 can be installed inside the filter 3 or the cooler 4.
  • the oil outlet F of the filter 3 is connected to the outlet C of the temperature control valve 5 of the temperature control valve 5, and then the temperature control is performed.
  • the low temperature port A of the valve 5 communicates, and the oil outlet F of the filter 3 communicates with the low temperature port A of the temperature control valve 5.
  • a new type of wind power gearbox lubrication cooling system (device), mainly including motor pump 1, connecting part 2, filter 3, cooler 4, temperature control valve 5, piping and necessary monitoring components , attachments, etc.
  • the oil pumped by the motor pump 1 enters the filter 3 through the connecting portion 2, and after filtering, flows out from the oil outlets E and F of the filter 3, from the E port.
  • the oil flowing out flows to the low temperature port A of the temperature control valve 5, enters the gear box distributor through the C port of the temperature control valve 5; the oil coming out from the F port enters the cooler 4 and then flows to the Port B (or Port C) of the thermostatic valve 5 enters the gearbox distributor.
  • the E port of the filter 3 and the A port of the temperature control valve 5 the F port of the filter 3 and the oil inlet of the cooler 4, the oil outlet of the cooler 4 and the temperature control Port B (or Port C) of valve 5 is connected by a hose, and Port C of the temperature control valve 5 is directly connected to the distributor (such as a transition joint).
  • a second embodiment of the present invention is similar to Fig. 1, except that the C port of the temperature control valve 5 is connected to the dispenser by a hose.
  • FIG. 3 it is a third embodiment of the present invention, similar to FIG. 2, except that the oil outlet of the cooler 4 and the B port (or C port) of the temperature control valve 5 are rigid. Connection (such as transition joints).
  • FIG. 4 it is a fourth embodiment of the present invention, similar to FIG. 2, except that the A port of the temperature control valve 5 and the E port of the filter 3 are rigidly connected (such as a transition joint). .
  • a fifth embodiment of the present invention is similar to Fig. 3 except that the temperature control valve 5 is mounted inside the cooler 4 (integrated together).
  • the oil pumped by the motor pump 1 enters the filter 3 through the connecting portion 2, and is filtered from the temperature control valve 5
  • the low temperature port A enters, flows out from the C port of the temperature control valve 5 and then goes to the oil outlet E of the filter 3, flows out from the E port and directly enters the gearbox distributor; the filtered other oil flows from the port
  • the F port of the filter flows out into the cooler 4 and then flows to the B port (or C port) of the temperature control valve 5, and then flows out from the E port of the filter and directly enters the gearbox distributor.
  • the F port of the filter 3 and the oil inlet of the cooler 4, the oil outlet of the cooler 4, and the B port (or C port) of the temperature control valve 5 are used.
  • the hoses are connected, and the E port of the filter 3 is connected to the dispenser hose.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Details Of Gearings (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

一种风力发电齿轮箱润滑冷却系统，包含电机泵（1）、过滤器（3）、冷却器（4）和温控阀（5），冷却器（4）的出口与温控阀（5）的高温口B连接或直接与温控阀（5）的出口C相连，使得在该冷却系统工作时，进入温控阀（5）的油液不再是未经冷却的高温油，而是经过冷却器（4）冷却后的冷油，从而改善了温控阀（5）工作环境，延长了温控阀（5）的使用寿命。

Description

一种新型风力发电齿轮箱润滑冷却系统 技术领域
本发明涉及液压技术及新能源领域，尤其涉及一种风力发电齿轮箱润滑冷却系统中的温控阀。
背景技术
在国内，风力发电设备经过多年的使用，原设计上的不足在运行中逐渐暴露出来。例如风电齿轮箱润滑冷却系统：由于国内润滑系统生产厂家大多为仿照国外的同类产品，没有创新，但是生产工艺、设备又与国外有一定的差距，因此，国内厂商生产的齿轮箱润滑冷却系统的故障率一直居高不下，尤其是润滑系统中的温控阀，虽然国内外润滑系统生产厂家所使用的温控阀为同一品牌，但国内厂家生产的润滑系统经常出现温控阀故障，而且故障率较高，导致齿轮箱频繁报高温停机，给风场带来了一定的经济损失，但目前还没有一个成熟产品能够替代润滑冷却系统中的温控阀。
现行风电齿轮箱润滑系统的温控阀都直接装在过滤器底部(过滤器出油口处)，当油温低于温控阀的低温口关闭时的温度(一般为60度)，油液分成两路，一路直接进入齿轮箱，一路经过冷却器后进入齿轮箱；当油温高于温控阀的低温口关闭时的温度，油液全部经过冷却器冷却后进入齿轮箱。由于这种安装方式都是来源于国外的设计，润滑系统生产厂家基本都采用这种原理。
齿轮箱在正常工作时，油液会一直处于高温状态(最高油温可达80度)，由于温控阀直接安装在过滤器之后，高温油直接进入温控阀，因此温控阀的感温包一直会处于过载状态，温控阀长期工作在高温状态，寿命必然会大大缩短。要想温控阀的感温包处于正常载荷状态，只有让其工作在合理的温度范围之内，所以进入温控阀的油温必须控制在其工作温度范围左右，这样温控阀的寿命就会回归到合理的范围之内了。
发明内容
本发明的目的就是针对上述现有技术存在的不足，提供一种新型风力发电齿轮箱润滑冷却系统，其结构简单，原理独特，能够有效延长温控阀的使用寿命。
本发明采用的技术方案如下：
一种新型风力发电齿轮箱润滑冷却系统，它包括有电机泵、过滤器、冷却器、温控阀，其特征是所述电机泵的出口连接至过滤器的进油口，过滤器的一个出油口E与所述温控阀的低温口A相连，另一个出油口F与冷却器的进口相连，所述冷却器的出口与温控阀的高温口B相连，或冷却器的出口直接连接至温控阀的出口C。
所述温控阀的低温口A关闭后，进入所述温控阀的高温口B的油液是经过冷却器冷却后的低温油。
所述过滤器的出油口E与所述温控阀的低温口A相连后再与所述温控阀的出口C相通。
所述温控阀的出口C与齿轮箱分配器相连。
所述温控阀的各油口与相邻部件采用刚性连接或通过管路连接。
所述温控阀安装在过滤器或冷却器的内部。
所述温控阀安装在所述过滤器的内部时，所述过滤器的出油口F与温控阀的所述温控阀的出口C相连后再与所述温控阀的低温口A相通，所述过滤器的出油口F与所述温控阀的低温口A相通。
本发明的有益效果有：
由于本发明采用上述新的原理和安装方式，调整了所述温控阀5的位置，使得进入所述温控阀5的油不再是高温油，而是经过冷却器冷却的低温油，改善了温控阀5的工作环境，大大提高了其可靠性。
附图说明
图1为本发明的第一种实施例的原理图。
图2为本发明的第二种实施例的原理图。
图3为本发明的第三种实施例的原理图。
图4为本发明的第四种实施例的原理图。
图5为本发明的第五种实施例的原理图(温控阀和冷却器集成一起)。
图6为本发明的第六种实施例的原理图(温控阀和过滤器集成一起)。
具体实施方式
下面结合附图对本发明作进一步地说明：
本发明它包括有电机泵1、过滤器3、冷却器4、温控阀5，所述电机泵1的出口连接至过滤器3的进油口，过滤器3的一个出油口E与所述温控阀5的低温口A相连，另一个出油口F与冷却器4的进口相连，所述冷却器4的出口与温控阀5的高温口B相连，或冷却器4的出口直接连接至温控阀5的出口C。所述温控阀5的低温口A关闭后，进入所述温控阀5的高温口B的油液是经过冷却器4冷却后的低温油。所述过滤器3的出油口E与所述温控阀5的低温口A相连后再与所述温控阀5的出口C相通。所述温控阀5的出口C与齿轮箱分配器相连。所述温控阀5的各油口与相邻部件采用刚性连接或通过管路连接。所述温控阀5可以安装在过滤器3或冷却器4的内部。所述温控阀5安装在所述过滤器3的内部时，所述过滤器3的出油口F与温控阀5的所述温控阀5的出口C相连后再与所述温控阀5的低温口A相通，所述过滤器3的出油口F与所述温控阀5的低温口A相通。
如图1所示，一种新型风力发电齿轮箱润滑冷却系统(装置)，主要包含电机泵1、连接部分2、过滤器3、冷却器4、温控阀5、管路以及必要的监测元件、附件等。
如图1所示，所述电机泵1泵出的油液经过所述连接部分2进入所述过滤器3，经过滤后从所述过滤器3的出油口E和F流出，从E口出来的油液流向所述温控阀5的低温口A，经过所述温控阀5的C口进入齿轮箱分配器；从F口出来的油液进入所述冷却器4后再流向所述温控阀5的B口(或C口)进入齿轮箱分配器。
如图1所示，当油温低于所述温控阀5的动作温度(如45度)时，油液大部分从所述温控阀5的低温口A进入C口流出；当油温在所述温控阀5的动作温度范围之间(如45～60度) 时，两个油口(A和B)的流量随温度升高而发生变化，A口的流量逐渐减少，B口的流量逐渐增大；当油温高于所述温控阀5的动作温度(如60度)时，A口关闭，油液全部经过所述冷却器4冷却后进入所述温控阀5的B口(或C口)。
如图1所示，所述过滤器3的E口和所述温控阀5的A口、过滤器3的F口和冷却器4的进油口、冷却器4的出油口与温控阀5的B口(或C口)用软管相连，温控阀5的C口直接与分配器刚性连接(如过渡接头)。
如图2所示，为本发明的第二种实施例，与图1类似，不同之处在于所述温控阀5的C口和分配器用软管相连。
如图3所示，为本发明的第三种实施例，与图2类似，不同之处在于所述冷却器4的出油口与所述温控阀5的B口(或C口)刚性连接(如过渡接头)。
如图4所示，为本发明的第四种实施例，与图2类似，不同之处在于所述温控阀5的A口和所述过滤器3的E口刚性连接(如过渡接头)。
如图5所示，为本发明的第五种实施例，与图3类似，不同之处在于所述温控阀5安装在所述冷却器4的内部(集成在一起)。
图6所示，为本发明的第六种实施例，所述电机泵1泵出的油液经过所述连接部分2进入所述过滤器3，经过滤后一路从所述温控阀5的低温口A进入，从所述温控阀5的C口流出再到所述过滤器3的出油口E，从E口流出直接进入齿轮箱分配器；经过滤后的另一路油液从所述过滤器的F口流出进入所述冷却器4后再流向所述温控阀5的B口(或C口)，再从所述过滤器的E口流出直接进入齿轮箱分配器。
如图6所示，当油温低于所述温控阀5的动作温度(如45度)时，油液大部分从所述温控阀5的低温口A进入C口流到所述过滤器3的E口；当油温在所述温控阀5的动作温度范围之间(如45～60度)时，两个油口(A和B)的流量随温度升高而发生变化，A口的流量逐渐减少，B口的流量逐渐增大；当油温高于所述温控阀5的动作温度(如60度)时，A口关闭，油液全部经过所述冷却器4冷却后进入所述温控阀5的B口(或C口)，再从所述过滤器3的E口流出，进入分配器。
如图6所示，所述过滤器3的F口和所述冷却器4的进油口、所述冷却器4的出油口与所述温控阀5的B口(或C口)用软管相连，所述过滤器3的E口与分配器用软管相连。
尽管本发明的内容已经通过上述优选实施例作了详细介绍，但应当认识到上述的描述不应该被认为是对本发明的限制，在本领域技术人员阅读了上述内容后，对于本发明的多种修改和替代都将是显而易见的，因此本发明的保护范围应由所属的权利要求来限定。
本发明涉及的其它未说明部分与现有技术相同。

Claims (7)

  1. 一种新型风力发电齿轮箱润滑冷却系统，它包括有电机泵(1)、过滤器(3)、冷却器(4)、温控阀(5)，其特征是所述电机泵(1)的出口连接至过滤器(3)的进油口，过滤器(3)的一个出油口E与所述温控阀(5)的低温口A相连，另一个出油口F与冷却器(4)的进口相连，所述冷却器(4)的出口与温控阀(5)的高温口B相连，或冷却器(4)的出口直接连接至温控阀(5)的出口C。
  2. 根据权利要求1所述的新型风力发电齿轮箱润滑冷却系统，其特征是所述温控阀(5)的低温口A关闭后，进入所述温控阀(5)的高温口B的油液是经过冷却器(4)冷却后的低温油。
  3. 根据权利要求1所述的新型风力发电齿轮箱润滑冷却系统，其特征是所述过滤器(3)的出油口E与所述温控阀(5)的低温口A相连后再与所述温控阀(5)的出口C相通。
  4. 根据权利要求1所述的新型风力发电齿轮箱润滑冷却系统，其特征是所述温控阀(5)的出口C与齿轮箱分配器相连。
  5. 根据权利要求1所述的新型风力发电齿轮箱润滑冷却系统，其特征是所述温控阀(5)的各油口与相邻部件采用刚性连接或通过管路连接。
  6. 根据权利要求1所述的新型风力发电齿轮箱润滑冷却系统，其特征是所述温控阀(5)安装在过滤器(3)或冷却器(4)的内部。
  7. 根据权利要求6所述的新型风力发电齿轮箱润滑冷却系统，其特征是所述温控阀(5)安装在所述过滤器(3)的内部时，所述过滤器(3)的出油口F与温控阀(5)的所述温控阀(5)的出口C相连后再与所述温控阀(5)的低温口A相通，所述过滤器(3)的出油口F与所述温控阀(5)的低温口A相通。
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