CN113466499B - Circuit wiring test box - Google Patents

Circuit wiring test box Download PDF

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Publication number
CN113466499B
CN113466499B CN202110586672.5A CN202110586672A CN113466499B CN 113466499 B CN113466499 B CN 113466499B CN 202110586672 A CN202110586672 A CN 202110586672A CN 113466499 B CN113466499 B CN 113466499B
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CN
China
Prior art keywords
box
singlechip
switch
contactor
push rod
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202110586672.5A
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Chinese (zh)
Other versions
CN113466499A (en
Inventor
程辉阳
马宇辉
程军
俞晓鹏
毛水强
代盛熙
马骁
叶卫忠
郑恒
冯勇兵
周彪
黄晔凯
戴舒翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinhua Power Transmission And Distribution Engineering Co ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Jinhua Power Transmission And Distribution Engineering Co ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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 Jinhua Power Transmission And Distribution Engineering Co ltd, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Jinhua Power Transmission And Distribution Engineering Co ltd
Priority to CN202110586672.5A priority Critical patent/CN113466499B/en
Publication of CN113466499A publication Critical patent/CN113466499A/en
Application granted granted Critical
Publication of CN113466499B publication Critical patent/CN113466499B/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Patch Boards (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

The invention relates to a line wiring test box which comprises a box body and a grounding wire, wherein a contactor is arranged in the box body, a control assembly is connected to the contactor, a power supply is arranged in the box body, a grounding bolt is arranged on the box body, a locking nut is arranged on the grounding bolt, a switch is arranged on the box body, the switch is arranged on a connecting wire of the power supply and the control assembly, and a push rod is arranged on the grounding bolt; the invention has the advantages that: the power supply condition of the power supply to the control component is controlled through the switch arranged on the box body, and the connection of the switch needs the push rod on the grounding bolt to be abutted to trigger to be opened.

Description

Circuit wiring test box
Technical Field
The invention relates to a line wiring test box.
Background
When the power system is used for line engineering test, although the line is powered off, strong induced voltage still exists, so that the line is required to be short-circuited to the ground before the test, the safety of test personnel is ensured, the traditional method is that a manual switch blade is adopted, the test personnel pulls the switch blade with an insulating glove, but sometimes the induced voltage is strong, discharge sparks can be generated even when the switch blade is closed, personal safety is seriously threatened, a certain potential safety risk exists, the Chinese patent with the application number of 2020222109642 discloses a portable three-phase grounding control box with wireless remote control, when the portable three-phase grounding control box is used, the control box is required to be grounded firstly, and when the portable three-phase grounding control box is used, the operation of an operator is not easy to forget the connection of a grounding wire due to the fact that the operation of the operator is not connected with the grounding wire, the safety performance of the portable three-phase grounding control box is reduced, the service life of the control box is further influenced, and the maintenance of the line is further delayed.
Disclosure of Invention
The invention aims to provide a line wiring test box which can ensure that the test box is in a grounding state when in use and ensure the safety performance when in operation.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a circuit wiring test box, includes the box and sets up the earth connection on the box, be equipped with the contactor that links to each other with three-phase power in the box, be connected with the control assembly that control contactor opened and closed on the contactor, just control assembly sets up on the box, be equipped with the power that links to each other with control assembly in the box, be equipped with the ground bolt that links to each other with the earth connection on the box, be equipped with lock nut on the ground bolt, be equipped with the switch on the box, the switch sets up on the connection conductor of power and control assembly, be equipped with the ejector pin with the switch offset on the ground bolt, just ejector pin detachable installs on the ground bolt, be equipped with the connecting portion that links to each other with the ejector pin, when the ejector pin is installed on the connecting portion the ejector pin with the switch offset and trigger switch on, be used for restricting the installation of earth connection when the ejector pin is installed on the ground bolt.
Preferably, the grounding bolt is provided with a mounting hole, and the ejector rod is arranged in the mounting hole; the connecting portion comprises a connecting plate and a nut arranged on the connecting plate, the ejector rod is arranged in the nut, and the connecting plate and the locking nut are of an integrated structure.
Preferably, the ejector rod comprises a rod body and a limiting boss arranged on the rod body, wherein an external thread is arranged on the rod body, and the limiting boss and the rod body are of an integrated structure.
Preferably, the nut comprises a mounting section mounted on the connecting plate and an abutting section abutting against the limiting boss, and the mounting section and the abutting section are of an integrated structure.
Preferably, the control assembly comprises a single chip microcomputer connected with the contactor and a remote controller for sending control instructions to the single chip microcomputer, wherein a signal sending end is arranged on the remote controller, a signal receiving end connected with the signal sending end is arranged on the single chip microcomputer, and the power supply is connected with the single chip microcomputer.
Preferably, the remote controller is provided with an operation key and a pause key, and the remote controller is provided with an indication label.
Preferably, a circuit board is arranged in the box body, the singlechip and the contactor are arranged on the circuit board, a relay is arranged on the circuit board, and the relay is arranged between the singlechip and the contactor.
Preferably, the circuit board is also provided with a voltage detection module and an alarm module, and the voltage detection module and the alarm module are both connected with the singlechip.
Preferably, a display connected with the singlechip is arranged on the box body.
Preferably, a fixing frame for fixing the remote controller is arranged on the box body.
In summary, the invention has the advantages that: the power supply condition of the power supply to the control component is controlled through the switch arranged on the box body, the push rod on the grounding bolt is required to be abutted to trigger to be opened, and because the push rod is installed on the grounding bolt, when the grounding wire is not installed, the control component cannot act at the moment, so that misoperation of the contactor in the installation process is avoided, the safety performance is improved, because the push rod and the switch are abutted to each other, the push rod needs to be installed on the connecting part of the lock nut, the push rod needs to be moved to the switch through the movement of the lock nut on the grounding bolt, the lock nut can play a reminding function for an operator in the installation process, so that the installation of the grounding wire is ensured to be fixed, the push rod is detachably installed on the grounding bolt, the push rod and the switch are in mutually independent installation structures, the misoperation of the switch in the installation process is ensured, the safety performance is further improved, and the loss of the push rod is also avoided.
Other features and advantages of the present invention will be disclosed in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a circuit connection test box according to the present invention;
FIG. 2 is a schematic diagram of the switch of the present invention when turned on;
FIG. 3 is a schematic diagram of the switch of the present invention after the ground wire is installed;
fig. 4 is a schematic structural view of the ejector pin mounted on the grounding bolt in the present invention.
Reference numerals:
1 box, 11 grounding bolt, 12 lock nut, 13 switch, 14 ejector pin, 141 body of rod, 142 spacing boss, 15 connecting portion, 16 connecting plate, 17 nut, 171 installation section, 172 butt section, 18 mount, 2 earth connection, 3 contactor, 4 control assembly, 41 singlechip, 42 remote controller, 43 signal transmitting end, 44 signal receiving end, 45 operation button, 46 pause button, 47 instruction label, 5 power, 51 connecting wire, 6 circuit board, 61 relay, 62 voltage detection module, 63 alarm module, 64 display.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a circuit wiring test box comprises a box body 1 and a grounding wire 2 arranged on the box body 1, wherein the box body comprises a body and a cabinet door arranged on the body, the grounding wire is arranged on the cabinet door, a contactor 3 connected with a three-phase power supply 5 is arranged in the box body 1, a control component 4 for controlling the contactor 3 to be opened and closed is connected to the contactor 3, the control component 4 is arranged on the box body 1, a power supply 5 connected with the control component 4 is arranged in the box body 1, a grounding bolt 11 connected with the grounding wire 2 is arranged on the box body 1, a locking nut 12 is arranged on the grounding bolt 11, a switch 13 is arranged on the box body 1, a push rod 14 abutted to the switch 13 is arranged on the grounding bolt 11, the push rod 14 is detachably arranged on the grounding bolt 11, a connecting part 15 connected with the push rod 14 is arranged on the locking nut 12, and when the push rod 14 is arranged on the connecting part 14 in a connecting way, the switch 13 is abutted to the ground wire 14, and when the switch 14 is connected with the ground wire is arranged on the push rod 14.
The power supply condition of the power supply 5 to the control component 4 is controlled through the switch 13 arranged on the box body 1, the push rod 14 on the grounding bolt 11 is required to be abutted to trigger to be opened when the switch 13 is conducted, and because the push rod 14 is installed on the grounding bolt 11, when the grounding wire 2 is not installed, the control component 4 cannot act at the moment, so that misoperation of the contactor 3 when the grounding wire 2 is not installed is avoided, safety performance is improved, the push rod 14 is required to be installed on the connecting part 15 of the locking nut 12 when the push rod 14 is abutted to the switch 13, the push rod 14 is required to move to the switch 13 through movement of the locking nut 12 on the grounding bolt 11, and therefore, the locking nut 12 can play a reminding function for operators in the installation process, installation and fixation of the grounding wire 2 are ensured, the push rod 14 is detachably installed on the grounding bolt 11, the push rod 14 and the switch 13 are in mutually independent installation structures, false starting of the switch 13 in the installation process is ensured, safety performance is further improved, and loss of the push rod 14 is avoided.
The grounding bolt 11 is provided with a mounting hole, and the ejector rod 14 is arranged in the mounting hole; the connecting part 15 comprises a connecting plate 16 and a nut 17 arranged on the connecting plate 16, the ejector rod 14 is arranged in the nut 17, the connecting plate 16 and the lock nut 12 are of an integrated structure, the installation hole is arranged, the installation and the disassembly of the ejector rod 14 are convenient, the connecting part 15 is of a structure of the connecting plate 16 and the nut 17, the nut 17 is convenient for the installation of the ejector rod 14, the connecting plate 16 can improve the fixing quality of the nut 17, the connecting plate 16 and the lock nut 12 are of an integrated structure, the installation process of the connecting plate 16 and the lock nut 12 can be simplified, the strength of the lock nut 12 is improved, the ejector rod 14 comprises a rod body 141 and a limit boss 142 arranged on the rod body 141, the rod body 141 is provided with external threads, the installation hole is of a threaded hole, the limit boss 142 and the rod body 141 are of an integrated structure, the ejector rod 14 is arranged into the rod body 141 and the limit boss 142, the installation of the grounding wire 2 is limited by the limiting boss 142, the external thread on the rod body 141 can ensure the quick installation and disassembly of the ejector rod 14 on the grounding bolt 11 and the nut 17, the fixed quality of the rod body 141 is ensured, secondly, the limiting boss 142 and the rod body 141 are arranged into an integrated structure, the installation process between the rod body 141 and the limiting boss 142 can be simplified, the installation strength of the whole ejector rod 14 is improved, the nut 17 comprises an installation section 171 installed on the connecting plate 16, and an abutting section 172 abutted against the limiting boss 142, the installation section 171 and the abutting section 172 are of an integrated structure, the nut 17 is arranged into the installation section 171 and the abutting section 172, the quick installation with the connecting plate 16 can be realized, the contact area between the abutting section 172 and the limiting boss 142 can be increased, the installation quality of the ejector rod 14 is improved, secondly, the installation section 171 and the abutting section 172 are arranged into an integrated structure, the mounting strength of the whole nut 17 can be improved, and the damage of the nut 17 can be reduced.
The control assembly 4 comprises a singlechip 41 connected with the contactor 3 and a remote controller 42 for sending control instructions to the singlechip 41, wherein a signal sending end 43 is arranged on the remote controller 42, a signal receiving end 44 connected with the signal sending end 43 is arranged on the singlechip 41, the power supply 5 is connected with the singlechip 41, the remote controller 42 in the embodiment adopts a 2.4GHz wireless remote controller 42, the closed state of the contactor 3 is controlled through the singlechip 41 to control the on state of a three-phase circuit, thereby omitting the step of a human body to touch the switch 13, leading the three-phase circuit to have lower control investment cost, higher efficiency and better safety performance, furthest protecting human bodies from being damaged, controlling the control effect of the singlechip 41 by the remote controller 42, avoiding misoperation of the singlechip 41, further improving the safety performance, and being provided with an operation key 45 and a pause key 46 on the remote controller 42, being convenient for operators to operate by sending the control instructions to the singlechip 41 according to actual requirements, ensuring the setting of the instruction tag 47, reducing the control error rate during operation, and improving the safety performance.
The utility model discloses a remote control box, including box 1, circuit board 6 is equipped with in the box 1, singlechip 41 and contactor 3 all establish on circuit board 6, be equipped with relay 61 on the circuit board 6, relay 61 sets up between singlechip 41 and contactor 3, the setting of circuit board 6 can realize the quick connect of singlechip 41 and contactor 3, can accurate control contactor 3's on-state, contactor 3 in this embodiment adopts controllable high-voltage contactor, can realize induced voltage's discharge to ground, relay 61 can play certain guard action to contactor 3's on-state, still be equipped with voltage detection module 62 and alarm module 63 on the circuit board 6, voltage detection module 62 and alarm module 63 all link to each other with singlechip 41, can be timely when the electric quantity is too low to send the warning suggestion to the operating personnel, and when specific operation, voltage detection module 62 detects that power 5 electric quantity is less than the setting value, singlechip 41 receives the signal of voltage detection module 62 and trigger alarm module 63 and report an emergency and point, voltage detection module 62 and alarm module 63 in this embodiment are the same as the current embodiment can realize that induced voltage's discharge to the ground, and the remote control box 42 is not equipped with the real-time information is not fixed with the display box 42 when the current embodiment is equipped with the remote control box 1, can be avoided losing the remote control box 42 with the real-time information of the current remote control box 1 on the body 1 when the remote control box is installed to be equipped with the remote control box 42.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.

Claims (7)

1. The utility model provides a circuit wiring test box, includes the box and sets up the earth connection on the box, be equipped with the contactor that links to each other with three-phase power in the box, be connected with the control assembly of control contactor disconnection and closure on the contactor, its characterized in that: the control assembly is arranged on the box body, a power supply connected with the control assembly is arranged in the box body, a grounding bolt connected with a grounding wire is arranged on the box body, a lock nut is arranged on the grounding bolt, a switch is arranged on the box body, the switch is arranged on a connecting wire of the power supply and the control assembly, a push rod propped against the switch is arranged on the grounding bolt and is detachably arranged on the grounding bolt, a connecting part connected with the push rod is arranged on the lock nut, the push rod props against the switch to trigger the switch to be conducted when the push rod is arranged on the connecting part, and the push rod is used for limiting the installation of the grounding wire when the push rod is arranged on the grounding bolt;
the grounding bolt is provided with a mounting hole, and the ejector rod is arranged in the mounting hole;
the connecting part comprises a connecting plate and a nut arranged on the connecting plate, the ejector rod is arranged in the nut, and the connecting plate and the locking nut are of an integrated structure;
the ejector rod comprises a rod body and a limiting boss arranged on the rod body, wherein the rod body is provided with external threads, and the limiting boss and the rod body are of an integrated structure;
the nut comprises a mounting section mounted on the connecting plate and an abutting section abutting against the limiting boss, and the mounting section and the abutting section are of an integrated structure.
2. A line connection test box according to claim 1, wherein: the control assembly comprises a singlechip connected with the contactor and a remote controller for sending control instructions to the singlechip, wherein a signal sending end is arranged on the remote controller, a signal receiving end connected with the signal sending end is arranged on the singlechip, and the power supply is connected with the singlechip.
3. A line connection test box according to claim 2, characterized in that: the remote controller is provided with an operation key and a pause key, and is provided with an indication label.
4. A line connection test box according to claim 2, characterized in that: the box is internally provided with a circuit board, the singlechip and the contactor are arranged on the circuit board, the circuit board is provided with a relay, and the relay is arranged between the singlechip and the contactor.
5. A wiring test box as in claim 4, wherein: the circuit board is also provided with a voltage detection module and an alarm module, and the voltage detection module and the alarm module are connected with the singlechip.
6. A wiring test box as in claim 4, wherein: the box body is provided with a display connected with the singlechip.
7. A line connection test box according to claim 2, characterized in that: the box body is provided with a fixing frame for fixing the remote controller.
CN202110586672.5A 2021-05-27 2021-05-27 Circuit wiring test box Active CN113466499B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110586672.5A CN113466499B (en) 2021-05-27 2021-05-27 Circuit wiring test box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110586672.5A CN113466499B (en) 2021-05-27 2021-05-27 Circuit wiring test box

Publications (2)

Publication Number Publication Date
CN113466499A CN113466499A (en) 2021-10-01
CN113466499B true CN113466499B (en) 2024-04-09

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ID=77871492

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CN202110586672.5A Active CN113466499B (en) 2021-05-27 2021-05-27 Circuit wiring test box

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200435050Y1 (en) * 2006-09-21 2007-01-04 주식회사유성계전 Interlock apparatus for line earthing switch
JP2007147326A (en) * 2005-11-24 2007-06-14 San'eisha Mfg Co Ltd Grounding and short-circuiting and testing tool
US7287990B1 (en) * 2006-07-21 2007-10-30 At&T Corp. Method and apparatus for grounding a cable
CN202564561U (en) * 2012-01-11 2012-11-28 郑炳文 Novel portable ground protection device
CN202996638U (en) * 2012-12-25 2013-06-12 宁波电业局 Ground wire blocking device
KR101705090B1 (en) * 2016-10-12 2017-02-09 에스엠인스트루먼트 주식회사 A power protection device of checking ground
KR101722091B1 (en) * 2016-12-14 2017-03-31 주식회사 한국나이스이테크 Control Apparatus for Separating Fault Section of Distribution Line
CN108199155A (en) * 2017-12-15 2018-06-22 国家电网公司 A kind of earthing or grounding means with automatic protection
CN207636640U (en) * 2018-01-07 2018-07-20 张甲杰 A kind of electrical test earthing or grounding means
CN109672032A (en) * 2018-12-10 2019-04-23 国网辽宁省电力有限公司锦州供电公司 Ground line with anti-incorrect manipulation deadlock function
CN210954177U (en) * 2019-11-01 2020-07-07 山西鸿昇兴防雷检测有限公司 Ground resistance detection device
CN211786042U (en) * 2019-11-21 2020-10-27 元壤实业(上海)有限公司 Positioning device for grounding rod hanging
KR20210045852A (en) * 2019-10-17 2021-04-27 삼성중공업 주식회사 Functional junction box for a ship

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5374079B2 (en) * 2008-06-20 2013-12-25 東京エレクトロン株式会社 Inspection contact structure

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007147326A (en) * 2005-11-24 2007-06-14 San'eisha Mfg Co Ltd Grounding and short-circuiting and testing tool
US7287990B1 (en) * 2006-07-21 2007-10-30 At&T Corp. Method and apparatus for grounding a cable
KR200435050Y1 (en) * 2006-09-21 2007-01-04 주식회사유성계전 Interlock apparatus for line earthing switch
CN202564561U (en) * 2012-01-11 2012-11-28 郑炳文 Novel portable ground protection device
CN202996638U (en) * 2012-12-25 2013-06-12 宁波电业局 Ground wire blocking device
KR101705090B1 (en) * 2016-10-12 2017-02-09 에스엠인스트루먼트 주식회사 A power protection device of checking ground
KR101722091B1 (en) * 2016-12-14 2017-03-31 주식회사 한국나이스이테크 Control Apparatus for Separating Fault Section of Distribution Line
CN108199155A (en) * 2017-12-15 2018-06-22 国家电网公司 A kind of earthing or grounding means with automatic protection
CN207636640U (en) * 2018-01-07 2018-07-20 张甲杰 A kind of electrical test earthing or grounding means
CN109672032A (en) * 2018-12-10 2019-04-23 国网辽宁省电力有限公司锦州供电公司 Ground line with anti-incorrect manipulation deadlock function
KR20210045852A (en) * 2019-10-17 2021-04-27 삼성중공업 주식회사 Functional junction box for a ship
CN210954177U (en) * 2019-11-01 2020-07-07 山西鸿昇兴防雷检测有限公司 Ground resistance detection device
CN211786042U (en) * 2019-11-21 2020-10-27 元壤实业(上海)有限公司 Positioning device for grounding rod hanging

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