WO2019042277A1 - 液压控制装置以及动力传递控制装置 - Google Patents

液压控制装置以及动力传递控制装置 Download PDF

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Publication number
WO2019042277A1
WO2019042277A1 PCT/CN2018/102676 CN2018102676W WO2019042277A1 WO 2019042277 A1 WO2019042277 A1 WO 2019042277A1 CN 2018102676 W CN2018102676 W CN 2018102676W WO 2019042277 A1 WO2019042277 A1 WO 2019042277A1
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WIPO (PCT)
Prior art keywords
hydraulic
hydraulic pressure
control device
hydraulic control
pump
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PCT/CN2018/102676
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English (en)
French (fr)
Inventor
叶霆超
加茂坂光伸
坂本仁
樋口孔二
山下博
Original Assignee
日本电产东测（浙江）有限公司
日本电产东测有限公司
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Priority to JP2020506168A priority Critical patent/JP2020535351A/ja
Publication of WO2019042277A1 publication Critical patent/WO2019042277A1/zh

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    • 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
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
    • 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
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/021—Valves for interconnecting the fluid chambers of an actuator

Definitions

  • the present invention relates to a hydraulic control device and a power transmission control device.
  • a hydraulic pressure control device including a valve storage chamber that is partitioned by the outer casing member and a valve body that is disposed in the valve accommodation chamber and has a hydraulic pump disposed therein (Patent Document 1) .
  • a driving force is supplied from a driving source such as an engine or an electric motor to a hydraulic pump via a rotating shaft that penetrates the outer casing member.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2014-145461
  • An object of the present invention is to provide a hydraulic control device which is advantageous, for example, in terms of driving efficiency of a hydraulic pump.
  • An exemplary first invention of the present application is a hydraulic control device having: a hydraulic pressure control portion that adjusts a flow of oil to control a hydraulic pressure; a pump portion that generates a hydraulic pressure; and a motor portion that has an axis that rotates about a central axis,
  • the pump unit is driven by the shaft, and the hydraulic control unit and the motor unit are arranged side by side in the central axis direction, and the motor unit is fixed to the hydraulic pressure control unit.
  • FIG. 1 is a block diagram schematically showing a configuration of a power transmission control device used in a vehicle according to an embodiment.
  • Fig. 2 is a view showing an external structure of a hydraulic control device.
  • Fig. 3 is a schematic cross-sectional view showing an internal structure of the hydraulic pressure control device shown in Fig. 2;
  • Fig. 4 is a modification showing a schematic cross-sectional view of the internal structure of the hydraulic pressure control device shown in Fig. 2;
  • Fig. 5 is a view of the hydraulic pressure control unit viewed from the +Z direction.
  • an XYZ coordinate system is shown as a three-dimensional orthogonal coordinate system as appropriate.
  • the Z-axis direction is a direction parallel to the axial direction of the central axis J of the motor unit 130 shown in Fig. 2 .
  • the axes perpendicular to the Z-axis direction and orthogonal to each other are defined as an X-axis and a Y-axis, respectively.
  • FIG. 1 is a block diagram schematically showing a configuration of a power transmission control device 1 used in a vehicle according to the present embodiment.
  • the power transmission control device 1 includes a hydraulic pressure control device 10, a power transmission portion 20, a transmission control unit (Transmission Control Unit) 30, and a fuel tank 40.
  • the number of components of the power transmission control device 1 using the hydraulic control device 10 of the present embodiment is smaller than the number of components of the conventional power transmission control device, and thus it is advantageous in terms of cost and weight.
  • the hydraulic control device 10 draws in oil from the oil tank 40 and supplies the oil that controls the hydraulic pressure to the power transmission unit 20. Further, the hydraulic control device 10 receives a signal for controlling the hydraulic pressure toward the power transmission portion 20 from the TCU 30. (Power Transmission Department)
  • the power transmission unit 20 is a so-called clutch that switches the transmission and disconnection of power from the engine to the transmission or the like by the hydraulic pressure controlled by the hydraulic control device 10.
  • the transmission control unit 30 transmits a signal for controlling the hydraulic pressure transmitted to the power transmission portion 20 to the hydraulic control device 10.
  • This signal is a signal indicating the transmission or disconnection of power.
  • the oil tank 40 holds the oil sucked by the hydraulic control device 10. And, the oil discharged from the hydraulic control device 10 is stored. Further, an oil filter screen can be disposed between the oil tank 40 and the hydraulic control device 10.
  • FIG. 2 is a view showing an external configuration of the hydraulic control device 10.
  • the hydraulic control device 10 has a hydraulic control unit 110, a motor unit 130, a connector assembly 140, a plate 150, and a shaft 160.
  • the hydraulic pressure control unit 110 and the motor unit 130 are arranged side by side in the direction of the center axis J, and the motor unit 130 is fixed to the hydraulic pressure control unit 110. Further, between the hydraulic control unit 110 and the motor unit 130, any one of the connector assembly 140 and the plate 150 can be omitted.
  • Fig. 3 is a schematic cross-sectional view showing an internal structure of the hydraulic control device 10 shown in Fig. 2 .
  • the hydraulic control device 10 has a pump unit 120 inside the hydraulic control unit 110.
  • the motor portion 130 has a shaft 160 that rotates about a central axis J, and drives the pump portion 120 via the shaft 160.
  • the driving force can be directly transmitted from the shaft of the motor unit 130 to the pump unit 120 disposed in the hydraulic pressure control unit 110.
  • the pump unit 120 when the pump unit 120 is driven by the rotation shaft of the speed reduction mechanism different from the hydraulic control device 10, when the rotation speed set for the speed reduction mechanism does not match the rotation speed set for the pump unit 120, the pump unit can be used. 120 sets the optimal speed. Further, since the rotation efficiency of the rotating shaft of the speed reduction mechanism is lowered, the driving efficiency of the pump unit 120 is also lowered. Therefore, the driving efficiency of the pump unit 120 of the hydraulic control device 10 is not the efficiency due to other rotating shafts such as the speed reducing mechanism, and the hydraulic control device 10 can be advantageous in terms of the driving efficiency of the hydraulic pump as compared with the conventional hydraulic control device.
  • the pump unit 120 is disposed inside the hydraulic pressure control unit 110. Thereby, it is not necessary to mount the housing for the hydraulic pump and the rotor accommodating the hydraulic pump, which is required when the hydraulic pump is disposed outside the hydraulic control device, in the mounting portion of the hydraulic control device. Therefore, the number of components constituting the hydraulic control device 10 can be reduced, and the cost reduction and weight reduction of the hydraulic control device 10 can be achieved.
  • the hydraulic pressure control unit 110 itself is a casing that accommodates the rotor of the pump unit 120, and the mounting portion as described above is not used, so that the rigidity of the pump unit 120 can be improved. Therefore, an effect of improving the volumetric efficiency of the pump unit 120 and suppressing the vibration caused by the driving of the pump unit 120 can be expected. Since the vibration is suppressed, the deformation of the pump portion 120 accompanying the vibration is suppressed. Moreover, the noise caused by the time constant of the pump unit 120 and the motor unit 130 is also lowered.
  • the hydraulic control unit 110 regulates the flow of oil to control the hydraulic pressure.
  • the hydraulic pressure control unit 110 has a main body portion 111 that constitutes a flow path through which oil flows.
  • the main body portion 111 has the first member 111A and the second member 111B which are divided in the direction of the central axis J.
  • the inner rotor 121 and the outer rotor 122 of the pump portion 120 are accommodated by a housing portion 112 which is a space surrounded by the first member 111A and the second member 111B.
  • the hydraulic pressure control unit 110 includes a first hole 114 through which the shaft 160 passes, and the shaft 160 of the motor unit 130 passes through the first hole 114 and is fixed to the hydraulic pressure control unit 110.
  • the first hole 114 is provided in the first member 111A.
  • the shaft 160 of the motor portion 130 that rotates about the central axis J is supported by the first hole 114.
  • the driving force is transmitted from the shaft 160 supported by the first hole 114 to the pump portion 120.
  • the number of components constituting the hydraulic control device 10 can be reduced. Moreover, since the pump unit 120 is housed in the hydraulic pressure control unit 110, it is not necessary to mount the frame for the hydraulic pump and the rotor accommodating the hydraulic pump in the hydraulic pressure when the hydraulic pump is disposed outside the hydraulic control device. The mounting part of the control unit. Therefore, the cost reduction and weight reduction of the hydraulic control device 10 are achieved.
  • the hydraulic control unit 110 itself is a casing that accommodates the rotor of the pump unit 120, and the mounting portion as described above is not required, so that the rigidity of the pump unit 120 is improved. Therefore, it is possible to expect an improvement in the volumetric efficiency of the pump unit 120 and an effect of suppressing the vibration generated by the driving of the pump unit 120. Since the vibration is suppressed, the deformation of the pump portion 120 accompanying the vibration is suppressed. Moreover, the noise caused by the time constant of the pump unit 120 and the motor unit 130 is also lowered.
  • the hydraulic pressure control unit 110 has an intake port OP1 that takes in oil into the inside of the hydraulic pressure control unit 110.
  • the inlet OP1 is provided in the first member 111A.
  • a seal portion 115 for preventing oil from leaking from the pump portion 120 is provided in the hydraulic pressure control portion 110.
  • the pump unit 120 can be accommodated in the hydraulic pressure control unit 110 by providing the intake port OP1 in the hydraulic pressure control unit 110. Thereby, it is not necessary to mount the housing for the hydraulic pump and the rotor accommodating the hydraulic pump, which is required when the hydraulic pump is disposed outside the hydraulic control device, in the mounting portion of the hydraulic control device. Thereby, the number of components constituting the hydraulic control device 10 can be reduced, and thus the cost reduction and weight reduction of the hydraulic control device 10 can be achieved.
  • the hydraulic control unit 110 itself serves as a casing for accommodating the rotor of the pump 120, and the mounting portion as described above is not used, so that the rigidity of the pump unit 120 is improved. Therefore, an improvement in the volumetric efficiency of the pump unit 120 and an effect of suppressing the vibration caused by the driving of the pump unit 120 can be expected. Since the vibration is suppressed, the deformation of the pump portion 120 accompanying the vibration is also suppressed. Further, noise due to the time constant of the pump unit 120 and the motor unit 130 is also lowered.
  • the hydraulic pressure control unit 110 has a discharge port OP2 that discharges oil to the outside of the hydraulic pressure control unit 110.
  • the discharge port OP2 is provided on the second member 111B.
  • the discharged oil is stored in the oil tank 40.
  • the discharge of the oil from the discharge port OP2 is controlled by the relief valve 116 provided in the hydraulic pressure control unit 110.
  • the pump unit 120 can be accommodated in the hydraulic pressure control unit 110. Therefore, it is not necessary to mount the casing for the hydraulic pump and the rotor accommodating the hydraulic pump in the mounting portion of the hydraulic control device when the hydraulic pump is disposed outside the hydraulic control device. Thereby, the number of components constituting the hydraulic control device 10 can be reduced, and thus the cost reduction and weight reduction of the hydraulic control device 10 can be achieved.
  • the hydraulic pressure control unit 110 itself is a casing that accommodates the rotor of the pump unit 120, and the mounting portion as described above is not used, the rigidity of the pump unit 120 is improved. Therefore, an improvement in the volumetric efficiency of the pump unit 120 and an effect of suppressing the vibration caused by the driving of the pump unit 120 can be expected. Since the vibration is suppressed, the deformation of the pump portion 120 accompanying the vibration is also suppressed. Moreover, the noise caused by the time constant of the pump unit 120 and the motor unit 130 is also lowered.
  • the hydraulic pressure control unit 110 is provided with a pressure regulating valve 113 that adjusts the hydraulic pressure generated by the pump unit 120.
  • the pressure regulating valve 113 is provided in the second member 111B, and the pressure regulating valve is provided in the hydraulic pressure control unit 110, so that the pump unit 120 can be accommodated in the hydraulic pressure control unit 110. Therefore, it is not necessary to mount the casing for the hydraulic pump and the rotor accommodating the hydraulic pump in the mounting portion of the hydraulic control device when the hydraulic pump is disposed outside the hydraulic control device. Thereby, the number of components constituting the hydraulic control device 10 can be reduced, and thus the cost reduction and weight reduction of the hydraulic control device 10 can be achieved.
  • the hydraulic pressure control unit 110 itself is a casing that accommodates the rotor of the pump unit 120, and the mounting portion as described above is not used, the rigidity of the pump unit 120 is improved. Therefore, an improvement in the volumetric efficiency of the pump unit 120 and an effect of suppressing the vibration caused by the driving of the pump unit 120 can be expected. Since the vibration is suppressed, the deformation of the pump portion 120 accompanying the vibration is also suppressed. Further, noise due to the time constant of the pump unit 120 and the motor unit 130 is also lowered.
  • the pump unit 120 is housed in the housing portion 112 inside the hydraulic pressure control unit 110.
  • the pump unit 120 generates hydraulic pressure and supplies the generated hydraulic oil to the hydraulic pressure control unit 110.
  • the pump unit 120 has a rotor that rotates together with the shaft to supply oil to the hydraulic pressure control unit 110.
  • the rotor includes an inner rotor 121 and an outer rotor 122.
  • the housing that houses the inner rotor 121 and the outer rotor 122 is the housing portion 112.
  • the hydraulic pressure control unit 110 itself is a casing that accommodates the rotor of the pump unit 120, and the mounting portion as described above is not used, the rigidity of the pump unit 120 is improved. Therefore, an improvement in the volumetric efficiency of the pump unit 120 and an effect of suppressing the vibration caused by the driving of the pump unit 120 can be expected. Since the vibration is suppressed, the deformation of the pump portion 120 accompanying the vibration is also suppressed. Moreover, the noise caused by the time constant of the pump unit 120 and the motor unit 130 is also lowered.
  • the motor unit 130 has, for example, a casing in which a brushless DC motor is disposed.
  • the brushless DC motor includes a stator and a rotor disposed in the stator, and a shaft is fixed to the rotor.
  • the motor unit 130 drives the pump unit 120 via a shaft.
  • the connector assembly 140 is electrically connected to an external power source and a stator of the motor portion 130.
  • the motor portion 130 is fixed to the hydraulic pressure control portion 110 by the connector assembly 140. According to this configuration, the number of components constituting the hydraulic control device 10 can be reduced, so that the cost of the hydraulic control device 10 is reduced and the weight is reduced.
  • the connector assembly 140 holds a terminal 141 that is connected to an external power source.
  • the terminal 141 protrudes from the main body portion 142 of the connector assembly 140 in the direction of the center axis J. Further, the terminal 141 may protrude from the main body portion 142 of the connector assembly 140 in a direction perpendicular to the central axis J direction.
  • the connector assembly 140 also has a bore (not shown) through which the shaft 160 extends.
  • the plate 150 is a flat plate having a second hole 151 through which the shaft 160 passes.
  • the shaft 160 of the motor portion 130 penetrates the second hole 151 and is fixed to the plate 150.
  • the surface of the surface of the plate 150 opposite to the surface on which the motor portion 130 is fixed is fixed to the hydraulic pressure control portion 110.
  • the motor portion 130 is fixed to the board 150 by the connector assembly 140.
  • the motor portion 130 is fixed to the hydraulic pressure control portion 110 by the connector assembly 140 without arranging the plate 150.
  • the plate 150 is integrated with the hydraulic pressure control unit 150. However, as shown in FIG. 4, the plate 150 may be separate from the hydraulic pressure control unit 110.
  • the fixing force with respect to the hydraulic pressure control unit 110 of the motor unit 130 can be improved by having the plate 150, the effect of suppressing the vibration caused by the driving of the motor unit 130 can be expected. Since the vibration is suppressed, it is possible to suppress the deformation of the hydraulic pressure control unit 110 accompanying the vibration. Moreover, the noise caused by the pump time constant of the motor unit 130 is also lowered.
  • the number of components constituting the hydraulic control device 10 can be reduced as compared with the related art, and thus the cost and weight reduction of the hydraulic control device 10 can be achieved.
  • Fig. 5 is a view of the hydraulic pressure control unit viewed from the +Z direction.
  • the hydraulic pressure control unit 110 has a plurality of valves that control the flow of oil.
  • the hydraulic pressure control unit 110 has a pressure regulating valve 113, a seal portion 115, a relief valve 116, and a check valve 117.
  • the pump unit 120 Since the pump unit 120 is driven by the motor unit 130, the oil held by the oil tank 40 enters the hydraulic pressure control unit 110 via the intake port OP1 (illustrated in FIGS. 2 and 3), and is sucked by the pump unit 120.
  • the sealing portion 115 prevents oil from flowing back from the pump portion 120.
  • the hydraulic pressure is adjusted by the pressure regulating valve 113 and the relief valve 116.
  • the relief valve 116 discharges oil from the hydraulic pressure control unit 110 to the oil tank 40 via the discharge port OP2 as needed.
  • the check valve 117 confirms whether or not oil is leaked from the sealing portion 115.
  • the oil of the oil tank 40 flows in the order of the intake port OP1, the pump portion 120, the pressure regulating valve 113, the relief valve 116, and the clutch.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Arrangement Of Transmissions (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Transmission Device (AREA)

Abstract

一种液压控制装置(10)，具有：调整油的流动来控制液压的液压控制部(110)，生成液压的泵部(120)，以及具有绕中心轴线(J)旋转的轴(160)并且借助轴(160)驱动泵部(120)的马达部(130)，液压控制部(110)和马达部(130)在中心轴线(J)方向上排列配置，马达部(130)被固定于液压控制部(110)。还涉及一种动力传递控制装置。该装置有利于提高效率，抑制振动，降低噪音，实现轻量化。

Description

液压控制装置以及动力传递控制装置 技术领域
本发明涉及液压控制装置以及动力传递控制装置。
背景技术
以往，作为应用于车辆的离合机构的液压控制装置，有具备利用外壳部件划分的阀容纳室和被配置于阀容纳室内并且在内部配置有液压泵的阀体的液压控制装置(专利文献1)。在该液压控制装置中，借助贯通外壳部件的旋转轴从发动机或电动马达等驱动源向液压泵供给驱动力。
现有技术文献
专利文献
专利文献1：日本特开2014-145461号公报
发明内容
发明所要解决的课题
然而，专利文献1的液压控制装置由于减速机构的旋转轴驱动液压泵，因此，液压泵的驱动效率成为因减速机构的旋转轴驱动而引起的效率，有可能在液压泵的驱动效率方面不利。
本发明的目的是提供一种例如在液压泵的驱动效率方面有利的液压控制装置。
用于解决课题的手段
本申请的例示性的第一发明是液压控制装置，其具有：液压控制部，其调整油的流动而控制液压；泵部，其生成液压；以及马达部，其具有绕中心轴线旋转的轴，借助轴而驱动泵部，液压控制部和马达部在中心轴线方向上排列配置，马达部被固定于液压控制部。
发明效果
根据本申请的例示性的第一发明，能够提供在液压泵的驱动效率方面有利的液压控制装置。
附图说明
图1是示意地示出用于实施方式所涉及的车辆的动力传递控制装置的结构的框图。
图2是示出液压控制装置的外观结构的图。
图3是示出图2所示的液压控制装置的内部结构的概略剖视图。
图4是示出图2所示的液压控制装置的内部结构的概略剖视图的变形例。
图5是从+Z方向观察液压控制部的图。
具体实施方式
以下，参照附图等对用于实施本发明的实施方式进行说明。另外，本发明的范围并不限定于以下实施方式，在本发明的技术思想的范围内能够任意地改变。并且，在以下附图中，为了容易理解各结构，有时使各结构中的比例尺和数量等与实际结构不同。
并且，在附图中，适当地作为三维正交坐标系，示出XYZ坐标系。在XYZ坐标系中，设Z轴方向为与图2所示的马达部130的中心轴线J的轴线方向平行的方向。将与Z轴方向垂直且相互正交的轴分别设为X轴、Y轴。
[实施方式]
＜动力传递控制装置＞
图1是示意地示出用于本实施方式所涉及的车辆的动力传递控制装置1的结构的框图。动力传递控制装置1具有液压控制装置10、动力传递部20、变速器控制单元(Transmission Control Unit)30以及油箱40。如以下详细说明，使用本实施方式的液压控制装置10的动力传递控制装置1的部件数量少于以往的动力传递控制装置的部件数量，因此能够在成本以及重量方面有利。
(液压控制装置)
液压控制装置10从油箱40吸入油，并向动力传递部20供给控制了液压的油。并且，液压控制装置10从TCU30接收对朝向动力传递部20的液压进行控制的信号。 (动力传递部)
动力传递部20是通过利用液压控制装置10控制的液压来切换动力从发动机向变速器等的传递和切断的所谓的离合器。
(变速器控制单元)
变速器控制单元30向液压控制装置10发送对朝向动力传递部20传递的液压进行控制的信号。该信号是指示动力的传递或切断的信号。
(油箱)
油箱40保持液压控制装置10所吸入的油。并且，储存液压控制装置10所排出的油。并且，在油箱40与液压控制装置10之间能够配置有滤油网。
＜液压控制装置＞
图2是示出液压控制装置10的外观结构的图。液压控制装置10具有液压控制部110、马达部130、连接器组件140、板150以及轴160。液压控制部110和马达部130在中心轴线J方向上排列配置，马达部130被固定于液压控制部110。另外，在液压控制部110与马达部130之间，还能够省略连接器组件140以及板150中的任意一个。
图3是示出图2所示的液压控制装置10的内部结构的概略剖视图。液压控制装置10在液压控制部110的内部具有泵部120。马达部130具有绕中心轴线J旋转的轴160，并且借助轴160驱动泵部120。
根据该结构，能够从马达部130的轴，向配置于液压控制部110内的泵部120直接传递驱动力。例如，在通过与液压控制装置10不同的减速机构的旋转轴来驱动泵部120的情况下，在对于减速机构设定转速与对于泵部120设定的转速不一致的情况下，能够对于泵部120设定最佳的转速。而且，由于减速机构的旋转轴的旋转效率下降，因而泵部120的驱动效率也下降。因此，液压控制装置10的泵部120的驱动效率并不是因减速机构等其他旋转轴而引起的效率，与以往的液压控制装置相比，液压控制装置10能够在液压泵的驱动效率方面有利。
并且，泵部120配置于液压控制部110的内部。由此，不需要在将液压泵配置于液压控制装置的外部时所需的、用于将液压泵和容纳液压泵的转子的框体安装在液压控制装置的安装部。因此能够减少构成液压控制装置10的部件数量，实现液压控制装置10的成本降低以及轻量化。
在本实施方式中，液压控制部110本身成为容纳泵部120的转子的框体，而且，不使用如上述的安装部，因此能够提高泵部120的刚性。从而，能够期待泵部120的容积效率的提高以及泵部120的驱动所引起的振动的抑制的效果。由于振动被抑制，因此伴随振动的泵部120的变形被抑制。而且，泵部120以及马达部130的时间常数所引起的噪音也降低。
(液压控制部)
液压控制部110调节油的流动而控制液压。液压控制部110具有构成有油流动的流路的主体部111。在本实施方式中，主体部111具有在中心轴线J方向上分割的第一部件111A和第二部件111B。泵部120所具有的内转子121以及外转子122被容纳部112容纳，该容纳部112是被第一部件111A和第二部件111B包围的空间。
并且，液压控制部110具备供轴160贯通的第一孔114，马达部130的轴160贯通第一孔114而被固定于液压控制部110。在本实施方式中，在第一部件111A上设置有第一孔114。马达部130所具有的绕中心轴线J旋转的轴160被第一孔114支承。从被第一孔114支承的轴160向泵部120传递驱动力。
根据该结构，能够减少构成液压控制装置10的部件数量。而且，由于在液压控制部110内容纳泵部120，因此不需要在将液压泵配置于液压控制装置的外部时所需的、用于将液压泵和容纳液压泵的转子的框体安装在液压控制装置的安装部。因此，实现液压控制装置10的成本降低以及轻量化。
而且，液压控制部110本身成为容纳泵部120的转子的框体，还不需要如上述的安装部，因此提高泵部120的刚性。从而，能够期待泵部120的容积效率的提高以及因泵部120的驱动而产生的振动的抑制效果。由于振动被抑制，因此伴随振动的泵部120的变形被抑制。而且，泵部120以及马达部130的时间常数所引起的噪音也降低。
如图2以及图3所示，液压控制部110具有将油取入到液压控制部110的内部的取入口OP1。在本实施方式中，在第一部件111A上设置有取入口OP1。在液压控制部110上设置有用于防止油从泵部120泄漏的密封部115。
通过在液压控制部110上设置取入口OP1，能够在液压控制部110内容纳泵部120。由此，不需要在将液压泵配置于液压控制装置的外部时所需的、用于将液压泵和容纳液压泵的转子的框体安装在液压控制装置的安装部。从而，能够减少构成液压控制装置10的部件数量，因此实现液压控制装置10的成本降低以及轻量化。
而且，液压控制部110自身成为容纳泵120的转子的框体，还不使用如上所述的安装部，因此泵部120的刚性提高。从而，能够期待泵部120的容积效率的提高以及泵部120的驱动所引起的振动的抑制效果。由于振动被抑制，伴随振动的泵部120的变形也被抑制。而且，因泵部120以及马达部130的时间常数而引起的噪音也降低。
液压控制部110具有向液压控制部110的外部排出油的排出口OP2。在本实施方式中，排出口OP2被设置在第二部件111B上。被排出的油储存在油箱40中。通过设置于液压控制部110的溢流阀116来控制从排出口OP2进行的油的排出。
通过在液压控制部110设置排出口OP2，能够在液压控制部110内容纳泵部120。因此，不需要在将液压泵配置于液压控制装置的外部时所需的、用于将液压泵和容纳液压泵的转子的框体安装在液压控制装置的安装部。从而，能够减少构成液压控制装置10的部件数量，因此实现液压控制装置10的成本降低以及轻量化。
而且，液压控制部110自身成为容纳泵部120的转子的框体，还不使用如上所述的安装部，因此泵部120的刚性提高。因此，能够期待泵部120的容积效率的提高以及泵部120的驱动所引起的振动的抑制效果。由于振动被抑制，伴随振动的泵部120的变形也被抑制。而且，泵部120以及马达部130的时间常数所引起的噪音也降低。
液压控制部110设置有对由泵部120生成的液压进行调整的调压阀113。在本实施方式中，在第二部件111B上设置有调压阀113，通过在液压控制部110上设置调压阀，能够在液压控制部110内容纳泵部120。因此，不需要在将液压泵配置于液压控制装置的外部时所需的、用于将液压泵和容纳液压泵的转子的框体安装在液压控制装置的安装部。从而，能够减少构成液压控制装置10的部件数量，因此实现液压控制装置10的成本降低以及轻量化。
而且，液压控制部110自身成为容纳泵部120的转子的框体，还不使用如上所述的安装部，因此泵部120的刚性提高。因此，能够期待泵部120的容积效率的提高以及因泵部120的驱动而引起的振动的抑制效果。由于振动被抑制，伴随振动的泵部120的变形也被抑制。而且，因泵部120以及马达部130的时间常数而引起的噪音也降低。
(泵部)
在本实施方式中，泵部120容纳于液压控制部110内部的容纳部112内。泵部120生成液压，并将所生成的液压的油向液压控制部110供给。泵部120具有转子， 该转子与轴一同旋转而向液压控制部110供给油。在本实施方式中，转子包含内转子121以及外转子122。在本实施方式中，容纳内转子121以及外转子122的框体是容纳部112。
根据该结构，不需要在将液压泵配置于液压控制装置的外部时所需的、用于将液压泵和容纳液压泵的转子的框体安装在液压控制装置的安装部。从而，能够减少构成液压控制装置10的部件数量，因此实现液压控制装置10的成本降低以及轻量化。
而且，液压控制部110自身成为容纳泵部120的转子的框体，还不使用如上所述的安装部，因此泵部120的刚性提高。因此，能够期待泵部120的容积效率的提高以及泵部120的驱动所引起的振动的抑制效果。由于振动被抑制，伴随振动的泵部120的变形也被抑制。而且，泵部120以及马达部130的时间常数所引起的噪音也降低。
(马达部)
马达部130例如具有在内部配置有无刷直流马达的外壳。无刷直流马达具备定子和配设于定子内的转子，在转子上固定有轴。马达部130借助轴而驱动泵部120。
(连接器组件)
连接器组件140与外部电源以及马达部130的定子电连接。马达部130借助连接器组件140被固定于液压控制部110。根据该结构，能够减少构成液压控制装置10的部件数量，因此实现液压控制装置10的成本降低以及轻量化。
连接器组件140保持与外部电源连接的端子141。在本实施方式中，端子141从连接器组件140的主体部142沿中心轴线J方向突出。另外，端子141也可以从连接器组件140的主体部142向与中心轴线J方向垂直的方向突出。连接器组件140也具有供轴160贯通的孔(未附图示)。
由于能够变更端子141突出的方向，因此，能够应对在与液压控制装置10的外部电源连接的方向被限制在中心轴线方向的情形，或者被限制在与中心轴线方向垂直的方向的情形。
(板)
板150是具备供轴160贯通的第二孔151的平板状的板。马达部130的轴160贯通第二孔151而被固定于板150，板150的面中的与固定有马达部130的面相反侧的面被固定于液压控制部110。在本实施方式中，马达部130借助连接器组件140被固定于板150。在不配置板150的情况下，马达部130借助连接器组件140被固定于 液压控制部110。在本实施方式中，板150与液压控制部150一体化，但是也可以如图4所示地，板150与液压控制部110分体。
而且，通过具有板150，能够提高针对马达部130的液压控制部110的固定力，因此，能够期待马达部130的驱动所引起的振动的抑制效果。由于振动被抑制，因此能够抑制伴随振动的液压控制部110的变形。而且，马达部130的泵时间常数所引起的噪音也降低。
无论通过哪一个结构，都能够比以往减少构成液压控制装置10的部件数量，因此实现液压控制装置10的成本降低以及轻量化。
(油的流动)
图5是从+Z方向观察液压控制部的图。液压控制部110具有控制油的流动的多个阀。液压控制部110具有调压阀113、密封部115、溢流阀116以及检验阀117。
由于通过马达部130来驱动泵部120，因此被油箱40保持的油借助取入口OP1(图2以及图3中图示)而进入到液压控制部110，被泵部120吸入。密封部115防止油从泵部120逆流。
通过调压阀113以及溢流阀116来调整液压。溢流阀116根据需要而从液压控制部110经由排出口OP2向油箱40排出油。检验阀117确认是否从密封部115泄漏油。
如上所述，油箱40的油按照取入口OP1、泵部120、调压阀113或溢流阀116、离合器的顺序流动。
以上，对本发明的优选的实施方式进行了说明，但是本发明并不限定于这些实施方式，在其宗旨范围内能够进行各种各样的变形以及变更。
符号说明
10-液压控制装置
110-液压控制部
120-泵部
130-马达部
160-轴
J-中心轴线

Claims (12)

  1. 一种液压控制装置，其特征在于，具有：
    液压控制部，其调整油的流动来控制液压；
    泵部，其生成所述液压；以及
    马达部，其具有绕中心轴线旋转的轴，借助所述轴而驱动所述泵部，
    所述液压控制部和所述马达部在中心轴线方向上排列配置，
    所述马达部被固定于所述液压控制部。
  2. 根据权利要求1所述的液压控制装置，其特征在于，
    所述液压控制部具备供所述轴贯通的第一孔，
    所述马达部的所述轴贯通所述第一孔而被固定于所述液压控制部。
  3. 根据权利要求1所述的液压控制装置，其特征在于，
    所述液压控制装置还具有平板状的板，所述板具备供所述轴贯通的第二孔，
    所述马达部的所述轴贯通所述第二孔而被固定于所述板，
    所述板的面中的与固定有所述马达部的面相反侧的面被固定于所述液压控制部。
  4. 根据权利要求2所述的液压控制装置，其特征在于，
    所述液压控制装置还具有连接器组件，所述连接器组件保持与对所述马达部供电的外部电源连接的端子部，
    所述马达部借助所述连接器组件被固定于所述液压控制部。
  5. 根据权利要求3所述的液压控制装置，其特征在于，
    所述液压控制装置具有连接器组件，所述连接器组件保持与对所述马达部供电的外部电源连接的端子部，
    所述马达部借助所述连接器组件被固定于所述板。
  6. 根据权利要求4或5所述的液压控制装置，其特征在于，
    所述端子部从所述连接器组件的主体部朝向中心轴线方向突出。
  7. 根据权利要求4或5所述的液压控制装置，其特征在于，
    所述端子部从所述连接器组件的主体部朝向与中心轴线方向垂直的方向突出。
  8. 根据权利要求1至7中任意一项所述的液压控制装置，其特征在于，
    所述液压控制部具有将所述油取入到所述液压控制部的内部的取入口。
  9. 根据权利要求1至8中任意一项所述的液压控制装置，其特征在于，
    所述液压控制部具有向所述液压控制部的外部排出所述油的排出口。
  10. 根据权利要求1至9中任意一项所述的液压控制装置，其特征在于，
    在所述液压控制部上设置有对所述液压进行调整的调压阀。
  11. 根据权利要求1至10中任意一项所述的液压控制装置，其特征在于，
    所述泵部被配置于所述液压控制部的内部。
  12. 一种动力传递控制装置，其特征在于，具有动力传递部，所述动力传递部通过利用权利要求1至11中任意一项所述的液压控制装置控制的液压来切换动力的传递和切断。
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