WO2018103127A1 - 电力机车光电连接器 - Google Patents

电力机车光电连接器 Download PDF

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Publication number
WO2018103127A1
WO2018103127A1 PCT/CN2016/109744 CN2016109744W WO2018103127A1 WO 2018103127 A1 WO2018103127 A1 WO 2018103127A1 CN 2016109744 W CN2016109744 W CN 2016109744W WO 2018103127 A1 WO2018103127 A1 WO 2018103127A1
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WIPO (PCT)
Prior art keywords
joint
connector
cable
fiber
tcu
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PCT/CN2016/109744
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English (en)
French (fr)
Inventor
王彬
刘立刚
王雷
马连凤
李守蓉
Original Assignee
中车永济电机有限公司
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Application filed by 中车永济电机有限公司 filed Critical 中车永济电机有限公司
Publication of WO2018103127A1 publication Critical patent/WO2018103127A1/zh

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/381Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3817Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres containing optical and electrical conductors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3869Mounting ferrules to connector body, i.e. plugs
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/389Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3891Bayonet type
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/389Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3894Screw-lock type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/623Casing or ring with helicoidal groove
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/26Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to the field of electric locomotives, and in particular to an electric locomotive optical connector.
  • Electric locomotives can be divided into DC drive electric locomotives and AC drive electric locomotives according to the nature of traction motors.
  • the former uses DC traction motors and the latter uses AC traction motors.
  • the AC drive system of the AC drive electric locomotive includes a power module, and the correctness of the drive signal of the power module is a decisive factor for ensuring the safe and reliable operation of the power module and the vehicle system.
  • the correctness and reliability of the drive signal are not only affected by the software control algorithm in the Traction Converter Control Unit (TCU), but also by the drive signal transmission mode and transmission path.
  • the transmission mode of the driving signal may be optical transmission or electrical transmission, and the corresponding transmission paths are respectively optical fibers or cables. Compared with cables, the optical fiber has stronger anti-electromagnetic interference capability and faster transmission speed. Therefore, most of the existing AC drive electric locomotives convert electrical signals into optical signals for transmission.
  • the existing AC drive electric locomotive directly connects the TCU to the drive board of the power module using a cable. Since the position of the driving board is relatively concealed, when the driving board fails or needs to be inspected for maintenance, the connecting line of the driving board is first removed, but the connecting line on the driving board is difficult to be directly removed due to the limitation of the installation space. In the prior art, the power module is disassembled, then the connecting line on the driving board is removed, and finally the driving board is unplugged from the power module. Disassembling the power module not only increases the difficulty of disassembly and maintenance, but also increases the maintenance cost.
  • the invention provides an electric locomotive optical connector to solve the problem of inconvenient operation of disassembling the driving board in the prior art.
  • the invention provides an electric locomotive optical connector, comprising: a first joint and a second joint;
  • a first end of the first joint is coupled to the drive plate, and a first end of the second joint is coupled to the traction converter control unit TCU via an optical fiber and a cable, the second end of the first joint
  • the second end of the second connector is detachably connected, and when the second end of the first connector is connected to the second end of the second connector, the driving board and the TCU are optically connected.
  • the second end of the first joint and the second end of the second joint are detachably connected by a thread.
  • the second end of the first joint and the second end of the second joint are detachably connected by bolts.
  • the second end of the first joint and the second end of the second joint are detachably connected by a snapping manner.
  • the first end of the first connector is provided with N first fiber connecting holes and M first cable connecting holes, and the first fiber connecting hole and the first cable connecting hole are respectively The terminal of the driving board is plugged, and the first end of the first connector is provided with N first fiber connectors and M first cable connectors, where N is an integer greater than or equal to 1, M An integer greater than or equal to 1;
  • the second end of the second joint is provided with N second fiber connecting holes and M second cable connecting holes, and the second end of the second joint is provided with N third fiber connecting holes and M a third cable connecting hole, when the second end of the first connector is connected to the second end of the second connector, the N first fiber connectors on the second end of the first connector are respectively inserted N third fiber connection holes on the second end of the second connector, and M first cable connectors on the second end of the first connector are respectively inserted into the second ends of the second connector M third cable connection holes to enable photoelectric signal connection between the drive board and the TCU;
  • N second fiber connection holes on the first end of the second connector are soldered to the optical fiber
  • M second cable connection holes on the first end of the second connector are soldered to the cable
  • a limit device is disposed on the second end of the second joint.
  • the limiting device is a limiting slot.
  • the limiting device is a baffle.
  • the second end and the second end of the second joint are detachably connected, and when the second end of the first joint and the second end of the second joint are connected, the driving board is electrically connected with the TCU.
  • the detachable connection between the first joint and the second joint facilitates disassembly, thereby solving the limitation of the installation space in the prior art, and only the power module can be disassembled before the technical problem of the connecting line on the driving board can be removed, and the technical problem is reduced.
  • the difficulty of disassembly and maintenance reduces the maintenance cost.
  • FIG. 1 is a schematic structural view of an optical locomotive of an electric locomotive provided by the present invention
  • FIG. 2 is a cross-sectional structural view of the photoelectric connector shown in FIG. 1;
  • Figure 3 is a front elevational view of the optoelectronic connector of Figure 1;
  • Figure 4 is a right side view of the photoelectric connector shown in Figure 1;
  • Figure 5 is a left side elevational view of the optoelectronic connector of Figure 1.
  • FIG. 1 is a schematic structural view of an optical locomotive of an electric locomotive provided by the present invention
  • FIG. 2 is a cross-sectional structural view of the optical connector shown in FIG. 1
  • FIG. 3 is a front view of the optical connector shown in FIG. 1 is a right side view of the photoelectric connector shown in FIG. 1.
  • FIG. 5 is a left side view of the photoelectric connector shown in FIG. 1.
  • the electric locomotive optical connector of the present embodiment may include: a first joint and a second joint, the first end 11 of the first joint is connected to the driving plate, and the first end 21 of the second joint is connected to the traction converter control unit TCU through an optical fiber and a cable, the second end of the first joint 12 and the second end 22 of the second joint are detachably connected, and when the second end 12 of the first joint and the second end 22 of the second joint are connected, a photoelectric signal is connected between the drive plate and the TCU.
  • the second end 12 of the first joint and the second end 22 of the second joint are detachably connected by threads.
  • the second end 12 of the first joint and the second end 22 of the second joint are detachably connected by bolts.
  • the second end 12 of the first joint and the second end 22 of the second joint are detachably connected by a snap fit.
  • the edge of the first end 11 of the first joint may be arranged in a zigzag shape, and the corresponding position of the driving plate is set to a zigzag shape matching the serrated edge of the first end 11 of the first joint, and Preventing the sliding between the first end 11 of the first joint and the driving plate, and providing a connecting hole at the first end 11 of the first joint, and fixing the first end 11 of the first joint to the driving plate with a bolt to prevent the first
  • the connection between the first end 11 of the connector and the drive plate is loose or broken.
  • the optical fiber and the cable are fixed by the cable clamp to prevent the connection between the first end 21 of the second connector and the optical fiber or cable when the optical fiber or cable is stretched. Loose or disconnected.
  • the first joint of the connector is detachably connected to the second joint for easy disassembly, thereby solving the limitation of the installation space in the prior art, and only the power module can be removed first, and the technical problem of the connecting line on the driving board can be removed, and the technical problem is reduced.
  • the difficulty of disassembly and maintenance reduces the maintenance cost.
  • the first ends 11 of the first connector are provided with N first fiber connection holes 131 and M.
  • the first cable connecting holes 132, the first fiber connecting holes 131 and the first cable connecting holes 132 are respectively inserted into the terminals on the driving board, and the second ends 12 of the first connectors are provided with N first optical fibers.
  • the first end 21 of the second joint is provided with N second fiber connecting holes 231 and M second cable connecting holes 232
  • the second end 22 of the second joint is provided with N third fiber connecting holes 241 and M a third cable connection hole 242
  • the N first fiber connectors 141 on the second end 12 of the first connector are respectively inserted N third fiber optic connection holes 241 on the second end 22 of the second connector
  • M first cable connectors 142 on the second end 12 of the first connector are respectively inserted into the M of the second end 22 of the second connector
  • the third cable connects the holes 242 to electrically connect the signal between the driver board and the TCU.
  • the N second fiber connection holes 231 on the first end 21 of the second connector are soldered to the optical fiber
  • the M second cable connection holes 232 on the first end 21 of the second connector are soldered to the cable.
  • the optical fiber binding post and the cable binding post on the driving board are respectively inserted into the corresponding first optical fiber connecting holes 131 and the first cable connecting holes 132 on the first end 11 of the first joint, and the fixing bolts are tightened, so that the first The connector is connected to the driver board, eliminating the need for cumbersome driver board wiring and avoiding the misoperation of the connecting fiber and cable that may occur during wiring.
  • the first connector can be removed by simply removing the fixing bolts, which is convenient to operate and saves time and effort.
  • a limiting device is disposed on the second end 22 of the second connector.
  • the first optical fiber connector 141 and the first cable connector 142 are respectively corresponding to the third fiber connection hole 241 and the third cable connection hole 242, so as to avoid connection errors, for example, the first fiber connector 141 is inserted.
  • the third cable connecting hole 242 is inserted into the third cable connecting hole 142 by the third fiber connecting hole 241.
  • the limiting device can also prevent the first fiber connector 141, the first cable connector 142 and the third fiber connector hole 241 and the third cable connector hole 242 from being damaged due to over-connection, and preventing the connector from being misaligned with the connector hole. , affecting the photoelectric connection effect.
  • the limiting device is a limiting slot or a stop plate.
  • the electric locomotive optical connector provided in this embodiment includes a first joint and a second joint.
  • the first end of the first joint is connected to the driving board, and the first end of the second joint is connected to the TCU through an optical fiber and a cable.
  • the first joint The second end and the second end of the second joint are detachably connected when the first connection
  • the photoelectric signal is connected between the driving board and the TCU.
  • the detachable connection between the first joint and the second joint facilitates disassembly, thereby solving the limitation of the installation space in the prior art, and only the power module can be disassembled before the technical problem of the connecting line on the driving board can be removed, and the technical problem is reduced.
  • the difficulty of disassembly and maintenance reduces the maintenance cost.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

一种电力机车光电连接器,包括:第一接头和第二接头,第一接头的第一端(11)与驱动板连接,第二接头的第一端(21)通过光纤和电缆与TCU连接,第一接头的第二端(12)和第二接头的第二端(22)可拆卸连接,当第一接头的第二端(12)和第二接头的第二端(22)连接时,驱动板与TCU之间光电信号连接。通过采用光电连接器,当驱动板出现异常时,只需要将光电连接器的第二接头拆除,断开第一接头与第二接头的连接,即可完成驱动板上的连接线的拆除操作。由于第一接头和第二接头之间可拆卸连接,便于拆卸,从而解决了现有技术中受安装空间的限制,只能先拆卸功率模块,才能拆除驱动板上的连接线的技术问题,降低了拆卸维修难度,减小了维修成本。

Description

电力机车光电连接器 技术领域
本发明涉及电力机车技术领域,尤其涉及一种电力机车光电连接器。
背景技术
电力机车按牵引电动机的性质可分为直流传动电力机车和交流传动电力机车两大类,前者采用直流牵引电动机,后者采用交流牵引电动机。交流传动电力机车的交流传动系统包括功率模块,功率模块的驱动信号的正确性是保证功率模块和整车系统安全可靠工作的决定性因素。驱动信号的正确性与可靠性不仅受牵引变流器控制单元(Traction converter Control Unit,简称TCU)中软件控制算法的影响,同时也受驱动信号传输方式和传输路径的影响。驱动信号的传输方式可以是光传输或电传输,相应的传输路径分别为光纤或电缆。光纤相较于电缆抗电磁干扰能力强、传输速度更快,因此现有的交流传动电力机车大部分都将电信号转化为光信号进行传输。
现有交流传动电力机车直接使用线缆将TCU和功率模块的驱动板连接。由于驱动板的位置比较隐蔽,当驱动板出现故障或需要检查维修时,首先要拆除驱动板的连接线,但受安装空间的限制,驱动板上的连接线难以直接拆除。现有技术中通过拆卸功率模块,然后拆除驱动板上的连接线,最后再从功率模块上拔下驱动板,拆卸功率模块不仅增大了拆卸维修难度,而且增加了维修成本。
发明内容
本发明提供一种电力机车光电连接器,以解决现有技术中拆卸驱动板操作不便问题。
本发明提供一种电力机车光电连接器,包括:第一接头和第二接头;
所述第一接头的第一端与驱动板连接,所述第二接头的第一端通过光纤和电缆与牵引变流器控制单元TCU连接,所述第一接头的第二端和所 述第二接头的第二端可拆卸连接,当所述第一接头的第二端和所述第二接头的第二端连接时,所述驱动板与所述TCU之间光电信号连接。
可选的,所述第一接头的第二端和所述第二接头的第二端通过螺纹可拆卸连接。
可选的,所述第一接头的第二端和所述第二接头的第二端通过螺栓可拆卸连接。
可选的,所述第一接头的第二端和所述第二接头的第二端通过卡接方式可拆卸连接。
可选的,所述第一接头的第一端上设置有N个第一光纤连接孔和M个第一电缆连接孔,所述第一光纤连接孔和所述第一电缆连接孔分别与所述驱动板上的接线柱插接,所述第一接头的第二端上设置有N个的第一光纤连接头和M个第一电缆连接头,其中,N为大于等于1的整数,M为大于等于1的整数;
所述第二接头的第一端上设置有N个第二光纤连接孔和M个第二电缆连接孔,所述第二接头的第二端上设置有N个第三光纤连接孔和M个第三电缆连接孔,当所述第一接头的第二端和所述第二接头的第二端连接时,所述第一接头的第二端上的N个的第一光纤连接头分别插入所述第二接头的第二端上的N个第三光纤连接孔,所述第一接头的第二端上的M个第一电缆连接头分别插入所述第二接头的第二端上的M个第三电缆连接孔,以使得所述驱动板与所述TCU之间光电信号连接;
所述第二接头的第一端上的N个第二光纤连接孔与光纤焊接,所述第二接头的第一端上的M个第二电缆连接孔与电缆焊接。
可选的,所述第二接头的第二端上设置有限位装置。
可选的,所述限位装置为限位槽。
可选的,所述限位装置为止挡板。
本发明提供的电力机车光电连接器,包括第一接头和第二接头,第一接头的第一端与驱动板连接,第二接头的第一端通过光纤和电缆与TCU连接,第一接头的第二端和第二接头的第二端可拆卸连接,当第一接头的第二端和第二接头的第二端连接时,驱动板与TCU之间光电信号连接。通过采用光电连接器,当驱动板出现异常时,只需要将光电连接器的第二接头 拆除,断开第一接头与第二接头的连接,即可完成驱动板上的连接线的拆除操作。由于第一接头和第二接头之间可拆卸连接,便于拆卸,从而解决了现有技术中受安装空间的限制,只能先拆卸功率模块,才能拆除驱动板上的连接线的技术问题,降低了拆卸维修难度,减小了维修成本。
附图说明
图1为本发明提供的电力机车光电连接器的一种结构示意图;
图2为图1所示光电连接器的剖面结构示意图;
图3为图1所示光电连接器的正视图;
图4为图1所示光电连接器的右视图;
图5为图1所示光电连接器的左视图。
附图标记说明:
11:第一接头的第一端;
12:第一接头的第二端;
21:第二接头的第一端;
22:第二接头的第二端;
131:第一光纤连接孔;
132:第一电缆连接孔;
141:第一光纤连接头;
142:第一电缆连接头;
231:第二光纤连接孔;
232:第二电缆连接孔;
241:第三光纤连接孔;
242:第三电缆连接孔。
具体实施方式
图1为本发明提供的电力机车光电连接器的一种结构示意图,图2为图1所示光电连接器的剖面结构示意图,图3为图1所示光电连接器的正视图,图4为图1所示光电连接器的右视图,图5为图1所示光电连接器的左视图,参照图1至图5,本实施例的电力机车光电连接器可以包括: 第一接头和第二接头,第一接头的第一端11与驱动板连接,第二接头的第一端21通过光纤和电缆与牵引变流器控制单元TCU连接,第一接头的第二端12和第二接头的第二端22可拆卸连接,当第一接头的第二端12和第二接头的第二端22连接时,驱动板与TCU之间光电信号连接。
一种实现方式中,第一接头的第二端12和第二接头的第二端22通过螺纹可拆卸连接。另一种实现方式中,第一接头的第二端12和第二接头的第二端22通过螺栓可拆卸连接。再一种实现方式中,第一接头的第二端12和第二接头的第二端22通过卡接方式可拆卸连接。
当第一接头的第二端12和第二接头的第二端22通过螺纹连接时,第一接头的第二端12和第二接头的第二端22设置有相互配合的螺纹。当第一接头的第二端12和第二接头的第二端22通过螺栓连接时,第一接头的第二端12的外沿和第二接头的第二端22的外沿的相应位置上设置连接孔。当第一接头的第二端12和第二接头的第二端22通过卡接方式连接时,第一接头的第二端12和第二接头的第二端22设置有相互配合的卡口和卡槽。本实施例中图1至图5所示为螺纹连接的示例图。
本实施例中,可以将第一接头的第一端11的边沿设置为锯齿状,将驱动板的相应位置设置为与第一接头的第一端11的锯齿状边沿相配合的锯齿状,可以避免第一接头的第一端11与驱动板之间出现滑动,并且在第一接头的第一端11设置连接孔,采用螺栓将第一接头的第一端11固定在驱动板上,防止第一接头的第一端11与驱动板之间的连接松动或断开。第二接头的第一端21与TCU的光纤和电缆连接后,采用线缆夹固定光纤和电缆,防止拉伸光纤或电缆时导致第二接头的第一端21与光纤或电缆之间的连接松动或断开。
当驱动板出现故障或进行检查维修时,只需要将光电连接器的第二接头拆除,断开第一接头与第二接头的连接,即可完成驱动板上的连接线的拆除操作,由于光电连接器的第一接头与第二接头可拆卸连接,便于拆卸,从而解决了现有技术中受安装空间的限制,只能先拆卸功率模块,才能拆除驱动板上的连接线的技术问题,降低了拆卸维修难度,减小了维修成本。
可选的,第一接头的第一端11上设置有N个第一光纤连接孔131和M 个第一电缆连接孔132,第一光纤连接孔131和第一电缆连接孔132分别与驱动板上的接线柱插接,第一接头的第二端12上设置有N个的第一光纤连接头141和M个第一电缆连接头142,其中,N为大于等于1的整数,M为大于等于1的整数。
第二接头的第一端21上设置有N个第二光纤连接孔231和M个第二电缆连接孔232,第二接头的第二端22上设置有N个第三光纤连接孔241和M个第三电缆连接孔242,当第一接头的第二端12和第二接头的第二端22连接时,第一接头的第二端12上的N个的第一光纤连接头141分别插入第二接头的第二端22上的N个第三光纤连接孔241,第一接头的第二端12上的M个第一电缆连接头142分别插入第二接头的第二端22上的M个第三电缆连接孔242,以使得驱动板与TCU之间光电信号连接。第二接头的第一端21上的N个第二光纤连接孔231与光纤焊接,第二接头的第一端21上的M个第二电缆连接孔232与电缆焊接。
本实施例中将驱动板上的光纤接线柱和电缆接线柱分别插入第一接头的第一端11上对应的第一光纤连接孔131和第一电缆连接孔132,拧紧固定螺栓,使得第一接头与驱动板连接,省去了繁琐的驱动板接线操作过程,同时还可以避免接线时可能出现的连接光纤与电缆的误操作。将驱动板从功率模块上拔下后,只需卸下固定螺栓即可拆卸第一接头,操作方便,省时省力。
可选的,第二接头的第二端22上设置有限位装置。通过限位装置,使得第一光纤连接头141、第一电缆连接头142与第三光纤连接孔241、第三电缆连接孔242分别对应,避免出现连接错误,例如,第一光纤连接头141插入了第三电缆连接孔242,第一电缆连接头142插入了第三光纤连接孔241的误插。限位装置还可以避免第一光纤连接头141、第一电缆连接头142与第三光纤连接孔241和第三电缆连接孔242由于过连接被损坏,以及防止连接头与连接孔的对接出现偏差,影响光电连接效果。可选的,限位装置为限位槽或止挡板。
本实施例提供的电力机车光电连接器,包括第一接头和第二接头,第一接头的第一端与驱动板连接,第二接头的第一端通过光纤和电缆与TCU连接,第一接头的第二端和第二接头的第二端可拆卸连接,当第一接 头的第二端和第二接头的第二端连接时,驱动板与TCU之间光电信号连接。通过采用光电连接器,当驱动板出现异常时,只需要将光电连接器的第二接头拆除,断开第一接头与第二接头的连接,即可完成驱动板上的连接线的拆除操作。由于第一接头和第二接头之间可拆卸连接,便于拆卸,从而解决了现有技术中受安装空间的限制,只能先拆卸功率模块,才能拆除驱动板上的连接线的技术问题,降低了拆卸维修难度,减小了维修成本。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (8)

  1. 一种电力机车光电连接器,其特征在于,包括:第一接头和第二接头;
    所述第一接头的第一端与驱动板连接,所述第二接头的第一端通过光纤和电缆与牵引变流器控制单元TCU连接,所述第一接头的第二端和所述第二接头的第二端可拆卸连接,当所述第一接头的第二端和所述第二接头的第二端连接时,所述驱动板与所述TCU之间光电信号连接。
  2. 根据权利要求1所述的光电连接器,其特征在于,所述第一接头的第二端和所述第二接头的第二端通过螺纹可拆卸连接。
  3. 根据权利要求1所述的光电连接器,其特征在于,所述第一接头的第二端和所述第二接头的第二端通过螺栓可拆卸连接。
  4. 根据权利要求1所述的光电连接器,其特征在于,所述第一接头的第二端和所述第二接头的第二端通过卡接方式可拆卸连接。
  5. 根据权利要求1-4任一项所述的光电连接器,其特征在于,所述第一接头的第一端上设置有N个第一光纤连接孔和M个第一电缆连接孔,所述第一光纤连接孔和所述第一电缆连接孔分别与所述驱动板上的接线柱插接,所述第一接头的第二端上设置有N个的第一光纤连接头和M个第一电缆连接头,其中,N为大于等于1的整数,M为大于等于1的整数;
    所述第二接头的第一端上设置有N个第二光纤连接孔和M个第二电缆连接孔,所述第二接头的第二端上设置有N个第三光纤连接孔和M个第三电缆连接孔,当所述第一接头的第二端和所述第二接头的第二端连接时,所述第一接头的第二端上的N个的第一光纤连接头分别插入所述第二接头的第二端上的N个第三光纤连接孔,所述第一接头的第二端上的M个第一电缆连接头分别插入所述第二接头的第二端上的M个第三电缆连接孔,以使得所述驱动板与所述TCU之间光电信号连接;
    所述第二接头的第一端上的N个第二光纤连接孔与光纤焊接,所述第二接头的第一端上的M个第二电缆连接孔与电缆焊接。
  6. 根据权利要求5所述的光电连接器,其特征在于,所述第二接头的第二端上设置有限位装置。
  7. 根据权利要求6所述的光电连接器,其特征在于,所述限位装置 为限位槽。
  8. 根据权利要求6所述的光电连接器,其特征在于,所述限位装置为止挡板。
PCT/CN2016/109744 2016-12-09 2016-12-13 电力机车光电连接器 WO2018103127A1 (zh)

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