WO2023077973A1 - 一种用于火电厂大型设备的控制箱电缆连接装置 - Google Patents

一种用于火电厂大型设备的控制箱电缆连接装置 Download PDF

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Publication number
WO2023077973A1
WO2023077973A1 PCT/CN2022/119045 CN2022119045W WO2023077973A1 WO 2023077973 A1 WO2023077973 A1 WO 2023077973A1 CN 2022119045 W CN2022119045 W CN 2022119045W WO 2023077973 A1 WO2023077973 A1 WO 2023077973A1
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Prior art keywords
thermal power
cable connection
control box
connection device
scale equipment
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PCT/CN2022/119045
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English (en)
French (fr)
Inventor
刘涛
孙勇
马德亮
朱锋
胡国飞
刘楠
孙妍
张瑾
王炳莉
张翔辉
王君霞
蒋金秀
郑德凤
于雪松
李海霞
李学刚
李月梅
Original Assignee
山东日照发电有限公司
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Application filed by 山东日照发电有限公司 filed Critical 山东日照发电有限公司
Priority to DE212022000044.7U priority Critical patent/DE212022000044U1/de
Publication of WO2023077973A1 publication Critical patent/WO2023077973A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

Definitions

  • the utility model relates to the field of equipment connection technology in thermal power plants, in particular to a control box cable connection device for large equipment in thermal power plants.
  • Thermal power plants often encounter the situation that the thermal control junction box of the main auxiliary machine or the large auxiliary machine motor are returned to the factory for repair.
  • the junction box of the thermal control part is often sent out for maintenance together with the equipment. Once marked and disconnected, the thermal control wiring needs to be restored according to the marking when returning. After restoration, the wiring needs to be checked and tested to be normal before the maintenance equipment can be put into operation normally. The work is cumbersome and time-consuming.
  • the thermal control wiring part of large-scale equipment in thermal power plants is complicated and there are many connections. Before dismantling the main equipment, the thermal control wiring needs to be checked and removed.
  • the thermal control wiring of the control box is often disassembled and restored. If the wiring process is not well controlled, it is easy to cause poor contact of the outgoing wiring. Misidentification of the marking will lead to incorrect wiring of the restoration, which will eventually cause the equipment to fail to operate normally, and the problem is difficult to troubleshoot.
  • the utility model provides a control box cable connection device for large-scale equipment in a thermal power plant, which reduces the cumbersome work of marking wiring and disassembling wiring, and transforms the terminal into a plug and socket type. Packing is quick and easy.
  • a control box cable connection device for large-scale equipment in a thermal power plant including a junction box and a connection terminal, the connection terminal includes a plug-in male part and a female part, one end of the male part is connected to the junction box, The other end is connected to the female part; the female part is connected to the DCS system.
  • the male part is provided with a plurality of sub-terminals, and the sub-terminals are connected to the internal circuit of the junction box.
  • control wiring in the junction box is arranged in functional blocks and connected to corresponding sub-terminals.
  • the male part is provided with a plurality of jacks, and the sub-connecting terminals are in one-to-one correspondence with the jacks, and the sub-connecting terminals are located in the jacks;
  • the female part is provided with pins, and the plugs The holes and pins are connected through plugging, the pins correspond to the jacks one by one, and the pins are in contact with the sub-terminals.
  • the socket is provided with a first marking area
  • the pin is provided with a second marking area
  • the first marking area corresponds to the second marking area
  • a plurality of locking devices are provided between the male part and the female part, and the locking devices include a locking piece and a locking block, the locking block is arranged on the female part, and one end of the locking piece is connected to the The male part is connected by rotation, and the other end is engaged with the locking block.
  • the locking part is connected with the male part through an elastic part, and when locked, the elastic part is in a relaxed state.
  • an auxiliary part is further provided on the locking part, and the auxiliary part is used to rotate the locking part.
  • both the male part and the female part are made of insulating materials.
  • the utility model is a control box cable connection device for large-scale equipment in a thermal power plant, which uses plugged terminals to realize quick disassembly and assembly of wiring, which reduces the cumbersome work of marking wiring and disassembling wiring, and greatly improves the efficiency of large-scale thermal power plants.
  • the thermal control wiring of the equipment and auxiliary equipment is coordinated with the disconnection time, and the design is simple, easy to implement, and the investment is small, which greatly saves labor costs in the later stage.
  • control wiring adopts the "modular" design concept, which makes the electrical wiring function "integrated” and "modularized”.
  • first marking area and the second marking area are for the convenience of personnel to identify and perform accurate connection, which helps to save wiring time.
  • the locking device can ensure the stability of the connection between the pin and the socket, avoid the falling off of the pin and the socket, and prevent poor contact.
  • Fig. 1 is a structural schematic diagram of a control box cable connection device for large-scale equipment in a thermal power plant according to the present invention.
  • Fig. 2 is a schematic view inside the junction box of a control box cable connection device for large-scale equipment in a thermal power plant according to the present invention.
  • Fig. 3 is a front view of a connection terminal of a control box cable connection device for large-scale equipment in a thermal power plant according to the present invention.
  • Fig. 4 is a top view of a connection terminal of a control box cable connection device for large-scale equipment in a thermal power plant according to the present invention.
  • Fig. 5 is a structural schematic diagram of a lock device of the utility model used for a control box cable connection device of a large-scale equipment in a thermal power plant.
  • junction box 2. Terminal block; 3. Male part; 4. Female part; 6. Jack; 7. Pin; 8. First marking area; 9. Second marking area; 10 , locking piece; 11, locking block; 12, auxiliary part.
  • the utility model discloses a control box cable connection device for large-scale equipment in a thermal power plant. Referring to Figures 1 and 2, it includes a junction box 1 and a connection terminal 2, and the connection terminal 2 includes a plug-in male part 3 and a female part. 4. The end of the female part 4 away from the male part 3 is connected to the DCS system.
  • the male part 3 is provided with a plurality of sub-terminals, and the sub-terminals are connected with the internal circuit of the junction box 1 .
  • the control wiring in junction box 1 is arranged in blocks according to functions, and is connected with corresponding sub-terminals.
  • one end of the male part 3 is connected to the junction box 1, and the other end is connected to the female part 4.
  • the male part 3 is provided with a plurality of jacks 6, and the sub-terminals correspond to the jacks one by one.
  • the connecting terminal is located in the jack 6, the female part 4 is provided with a pin 7, the jack 6 and the pin 7 are connected by plugging, and the pin 7 is in contact with the sub-terminal.
  • the jacks 6 correspond one-to-one to the sub-connecting terminals.
  • the jacks 6 are provided with a first marking area 8
  • the pins 7 are provided with a second marking area 9 .
  • the first marking area 8 corresponds to the second marking area 9 .
  • both the first marking area 8 and the second marking area 9 are marked with numbers, and the exact connection between the socket 6 and the pin 7 can be achieved by matching the same numbers during installation.
  • the control wiring adopts the "modular" design concept, which makes the electrical wiring function "integrated" and "modularized”.
  • a plurality of locking devices are arranged between the male part 3 and the female part 4, the locking device comprises a locking piece 10 and a locking block 11, the locking block 11 is arranged on the female part 4, and one end of the locking part 10 is connected to the The male part 3 is rotatably connected, and the other end is engaged with the locking block 11 .
  • the locking device is connected with the male part 3 through an elastic piece, and when locked, the elastic piece is in a relaxed state.
  • An integrally formed auxiliary part 12 is also provided on the locking part 10 , a part of the auxiliary part 12 is suspended outside the male part 3 , and the auxiliary part 12 is for the convenience of personnel to rotate the locking part 10 .
  • Both the male part 3 and the female part 4 are made of insulating material, in this embodiment they are made of plastic.
  • the utility model is a control box cable connection device for large-scale equipment in a thermal power plant.
  • the plugged terminal 2 is used to realize quick disassembly and assembly of the wiring, which reduces the cumbersome work of marking wiring and disassembling wiring, and greatly improves the efficiency of the thermal power plant.
  • the thermal control wiring of large-scale equipment and auxiliary equipment matches the disconnection time, and the design is simple, easy to implement, and requires less investment, which greatly saves labor costs in the later stage.

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

一种用于火电厂大型设备的控制箱电缆连接装置，包括接线箱（1）和接线端子（2），接线端子（2）包括插接的公头部分（3）和母头部分（4），公头部分（3）的一端与接线箱（1）连接，另一端与母头部分（4）连接；母头部分（4）与DCS系统连接。该装置利用插接的接线端子（2）来实现接线的快速拆装，减少了繁琐的标记接线和拆装接线工作，大大提高了火电厂大型设备和辅机热控接线配合拆接时间。

Description

一种用于火电厂大型设备的控制箱电缆连接装置 技术领域
本实用新型涉及火电厂设备连接技术的领域，具体为一种用于火电厂大型设备的控制箱电缆连接装置。
 背景技术
火电厂经常会碰到主要辅机的热控接线箱、或者大型辅机电机返厂修理的情况，热控部分的接线箱常常随设备一起外送检修，设备拆卸前需要将控制连线进行一一标记好并拆线，返回时又需要将热控接线按照标记进行恢复，恢复后还需要核对接线并试验正常方能将检修设备正常投入运行，工作繁琐，费时费力。
火电厂大型设备的热控接线部分复杂，接线多，拆卸主设备前，需要将热控接线核对标记无误后拆除，返厂检修完毕后复装还需要将热控接线恢复，工作过程费时费力。
控制箱热控接线经常拆卸和恢复，如果接线工艺控制不好容易出线接线接触不良，标识失误会导致恢复接线错误，最终导致设备无法正常运转，且问题不好排查。
频繁拆卸接线会导致接线端子松动，但不易发觉，给设备正常运行带来安全隐患。
 技术问题
针对现有技术中存在的问题，本实用新型提供一种用于火电厂大型设备的控制箱电缆连接装置，减少繁琐的标记接线和拆装接线的工作，将接线端子改造为插头插座式，拆装快速简便。
 技术解决方案
本实用新型是通过以下技术方案来实现：
一种用于火电厂大型设备的控制箱电缆连接装置，包括接线箱和接线端子，所述接线端子包括插接的公头部分和母头部分，所述公头部分的一端与接线箱连接，另一端与母头部分连接；所述母头部分与DCS系统连接。
优选的，所述公头部分上设有多个子接线端子，所述子接线端子与接线箱内部回路连接。
优选的，所述接线箱中的控制接线按照功能分块设置，并与对应的子接线端子进行连接。
优选的，所述公头部分设有多个插孔，所述子接线端子与插孔一一对应，所述子接线端子位于插孔中；所述母头部分设有插针，所述插孔与插针通过插接实现连接，所述插针与插孔一一对应，所述插针与子接线端子接触。
优选的，所述插孔处设有第一标记区，所述插针处设有第二标记区，所述第一标记区与第二标记区对应。
优选的，所述公头部分与母头部分之间设有多个锁定装置，所述锁定装置包括锁定件和锁定块，所述锁定块设置于母头部分上，所述锁定件的一端与公头部分转动连接，另一端与锁定块卡接。
优选的，所述锁定件与公头部分通过弹性件进行连接，锁定时，所述弹性件处于放松状态。
优选的，所述锁定件上还设有辅助部，所述辅助部用于转动锁定件。
优选的，所述公头部分和母头部分均采用绝缘材料制成。
 有益效果
与现有技术相比，本实用新型具有以下有益效果：
本实用新型一种用于火电厂大型设备的控制箱电缆连接装置利用插接的接线端子来实现接线的快速拆装，减少了繁琐的标记接线和拆装接线的工作，大大提高了火电厂大型设备和辅机热控接线配合拆接时间，并且设计简单，易于实现，投入资金少，后期大大节省人力成本。
进行维修时，仅需插拔分开公头部分和母头部分即可接线的实现断开。
进一步的，控制接线采用了“模块化”设计理念，使电气接线功能“集成化”，功能“模块化”。
进一步的，第一标记区和第二标记区是为了便于人员进行识别，进行准确连接，有助于节省接线时间。
进一步的，锁定装置可以保证插针与插孔的连接稳定性，避免插针与插孔的脱落，防止接触不良。
 附图说明
图1是本实用新型一种用于火电厂大型设备的控制箱电缆连接装置的结构示意图。
图2是本实用新型一种用于火电厂大型设备的控制箱电缆连接装置的接线箱内部的示意图。
图3是本实用新型一种用于火电厂大型设备的控制箱电缆连接装置的接线端子的主视图。
图4是本实用新型一种用于火电厂大型设备的控制箱电缆连接装置的接线端子的俯视图。
图5是本实用新型一种用于火电厂大型设备的控制箱电缆连接装置的锁定件装置的结构示意图。
图中，1、接线箱；2、接线端子；3、公头部分；4、母头部分；6、插孔；7、插针；8、第一标记区；9、第二标记区；10、锁定件；11、锁定块；12、辅助部。
 本发明的最佳实施方式
下面结合具体的实施例对本实用新型做进一步的详细说明，所述是对本实用新型的解释而不是限定。
本实用新型公开了一种用于火电厂大型设备的控制箱电缆连接装置，参照图1、2，包括接线箱1和接线端子2，接线端子2包括插接的公头部分3和母头部分4，母头部分4远离公头部分3的一端与DCS系统连接。
公头部分3上设有多个子接线端子，子接线端子与接线箱1内部回路连接。接线箱1中的控制接线按照功能进行分块设置，并与对应的子接线端子进行连接。
参照图3、4，公头部分3的一端与接线箱1连接，另一端与母头部分4连接，公头部分3设有多个插孔6，子接线端子与插孔一一对应，子接线端子位于插孔6中，母头部分4设有插针7，插孔6与插针7通过插接实现连接，插针7与子接线端子接触。
插孔6与子接线端子一一对应，插孔6处设有第一标记区8，插针7处设有第二标记区9，第一标记区8与第二标记区9对应。本实施例中，第一标记区8和第二标记区9均标有数字，安装时，将相同的数字对应即可实现插孔6与插针7的准确连接。控制接线采用了“模块化”设计理念，使电气接线功能“集成化”，功能“模块化”。
参照图5，公头部分3与母头部分4之间设有多个锁定装置，锁定装置包括锁定件10和锁定块11，锁定块11设置于母头部分4上，锁定件10的一端与公头部分3转动连接，另一端与锁定块11卡接。
锁定装置与公头部分3通过弹性件进行连接，锁定时，弹性件处于放松状态。锁定件10上还设有一体成型的辅助部12，辅助部12的一部分悬空设置于公头部分3的外侧，辅助部12是为了便于人员转动锁定件10。
公头部分3和母头部分4均采用绝缘材料制成，本实施例中采用塑料制成。
本实用新型一种用于火电厂大型设备的控制箱电缆连接装置的实施原理为：参照图2，将接线箱1内电机A相绕组线圈温度A1连接子接线端子“1”，“2”，“3”；电机A相绕组线圈温度A2连接子接线端子“4”，“5”，“6”；电机B相绕组线圈温度B1连接子接线端子“7”，“8”，“9”；电机B相绕组线圈温度B2连接子接线端子“10”，“11”，“12”；电机C相绕组线圈温度C1连接子接线端子“13”，“14”，“15”；电机B相绕组线圈温度B2连接子接线端子“16”，“17”，“18”；电机驱动端轴承L1温度连接子接线端子“19”，“20”，“21”；电机非驱动端轴承L2温度连接子接线端子“22”，“23”，“24”。之后通过接线端子2连接至DCS系统中。
进行维修时，仅需插拔分开公头部分3和母头部分4即可接线的实现断开。
本实用新型一种用于火电厂大型设备的控制箱电缆连接装置利用插接的接线端子2来实现接线的快速拆装，减少了繁琐的标记接线和拆装接线的工作，大大提高了火电厂大型设备和辅机热控接线配合拆接时间，并且设计简单，易于实现，投入资金少，后期大大节省人力成本。

Claims (9)

  1. 一种用于火电厂大型设备的控制箱电缆连接装置，其特征在于，包括接线箱（1）和接线端子（2），所述接线端子（2）包括插接的公头部分（3）和母头部分（4），所述公头部分（3）的一端与接线箱（1）连接，另一端与母头部分（4）连接；所述母头部分（4）与DCS系统连接。
  2. 根据权利要求1所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述公头部分（3）上设有多个子接线端子，所述子接线端子与接线箱（1）内部回路连接。
  3. 根据权利要求2所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述接线箱（1）中的控制接线按照功能分块设置，并与对应的子接线端子进行连接。
  4. 根据权利要求2所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述公头部分（3）设有多个插孔（6），所述子接线端子与插孔（6）一一对应，所述子接线端子位于插孔（6）中；所述母头部分（4）设有插针（7），所述插孔（6）与插针（7）通过插接实现连接，所述插针（7）与插孔（6）一一对应，所述插针（7）与子接线端子（2）接触。
  5. 根据权利要求4所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述插孔（6）处设有第一标记区（8），所述插针（7）处设有第二标记区（9），所述第一标记区（8）与第二标记区（9）对应。
  6. 根据权利要求1所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述公头部分（3）与母头部分（4）之间设有多个锁定装置，所述锁定装置包括锁定件（10）和锁定块（11），所述锁定块（11）设置于母头部分（4）上，所述锁定件（10）的一端与公头部分（3）转动连接，另一端与锁定块（11）卡接。
  7. 根据权利要求6所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述锁定件（10）与公头部分（3）通过弹性件进行连接，锁定时，所述弹性件处于放松状态。
  8. 根据权利要求6所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述锁定件（10）上还设有辅助部（12），所述辅助部（12）用于转动锁定件（10）。
  9. 根据权利要求1所述的用于火电厂大型设备的控制箱电缆连接装置，其特征在于，所述公头部分（3）和母头部分（4）均采用绝缘材料制成。
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