CN113466499A - Circuit wiring test box - Google Patents
Circuit wiring test box Download PDFInfo
- Publication number
- CN113466499A CN113466499A CN202110586672.5A CN202110586672A CN113466499A CN 113466499 A CN113466499 A CN 113466499A CN 202110586672 A CN202110586672 A CN 202110586672A CN 113466499 A CN113466499 A CN 113466499A
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- box
- contactor
- switch
- wiring test
- single chip
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- 238000009434 installation Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 10
- 238000011900 installation process Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; 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 circuit 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 onto 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 lead of the power supply and the control assembly, and a mandril is arranged on the grounding bolt; the invention has the advantages that: the switch that sets up on through the box controls the power supply condition of power to control assembly, and the switch-on of switch needs the ejector pin butt on the earth bolt and triggers and open, because the ejector pin is installed on the earth bolt, consequently, when the earth connection is not installed, control assembly can't move this moment to contactor's maloperation when having avoided the earth connection to not install has improved the security performance.
Description
Technical Field
The invention relates to a circuit wiring test box.
Background
When a power system carries out a line worker parameter test, although a line is powered off, a strong induction voltage still exists, so the line is required to be shorted to the ground before the test, and the safety of a tester is ensured, the traditional method adopts a manual knife switch mode, the tester pulls the knife switch with an insulating glove, but sometimes the induction voltage is strong, even a discharge spark is generated when the knife switch is closed, the personal safety is seriously threatened, and a certain degree of potential safety risk exists, Chinese patent application No. 2020222109642 discloses a portable wireless remote control three-phase grounding control box, when in use, the grounding treatment needs to be carried out on the control box firstly, and when in use, because an operator is improper to operate and easily forgets the connection of a grounding wire, the control box is directly operated after being not connected with the grounding wire, the safety performance during use is reduced, and the service life of the control box is further influenced, thereby delaying the line maintenance.
Disclosure of Invention
The invention aims to provide a circuit 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: a circuit wiring test box comprises a box body and a grounding wire arranged on the box body, wherein a contactor connected with a three-phase power supply is arranged in the box body, a control assembly for controlling the contactor to be opened and closed is connected on the contactor, the control component is arranged on the box body, a power supply connected with the control component is arranged in the box body, the box body is provided with a grounding bolt connected with a grounding wire, the grounding bolt is provided with a locking nut, the box body is provided with a switch which is arranged on a connecting lead of the power supply and the control component, the grounding bolt is provided with a mandril which is propped against the switch, the ejector rod is detachably arranged on the grounding bolt, the locking nut is provided with a connecting part connected with the ejector rod, when the ejector rod is arranged on the connecting part, the ejector rod abuts against the switch to trigger the switch to be conducted, and when the ejector rod is arranged on the grounding bolt, the ejector rod is used for limiting the installation of the grounding wire.
Preferably, 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.
Preferably, the ejector rod comprises a rod body and a limiting boss arranged on the rod body, 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 includes one section installation section of installing on the connecting plate to and one section butt section that offsets with spacing boss, just installation section and butt section formula structure as an organic whole.
Preferably, the control assembly comprises a single chip microcomputer connected with the contactor and a remote controller for sending a control instruction to the single chip microcomputer, the remote controller is provided with a signal sending end, the single chip microcomputer is provided with a signal receiving end connected with the signal sending end, 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 single chip microcomputer and the contactor are both arranged on the circuit board, a relay is arranged on the circuit board, and the relay is arranged between the single chip microcomputer and the contactor.
Preferably, the circuit board is further provided with a voltage detection module and an alarm module, and the voltage detection module and the alarm module are both connected with the single chip microcomputer.
Preferably, a display connected with the single chip microcomputer is arranged on the box body.
Preferably, the box body is provided with a fixing frame for fixing the remote controller.
In conclusion, the invention has the advantages that: the power supply condition of a power supply to the control assembly is controlled by the switch arranged on the box body, the switch-on of the switch needs to be triggered to be opened by the abutting of the ejector rod on the grounding bolt, and the ejector rod is arranged on the grounding bolt, so when the grounding wire is not arranged, the control assembly cannot act at the moment, thereby avoiding the misoperation of a contactor when the grounding wire is not arranged, improving the safety performance, because the ejector rod is abutted to the switch, the ejector rod is required to be arranged on the connecting part of the locking nut, the ejector rod is required to move to the switch position by the movement of the locking nut on the grounding bolt, therefore, the locking nut can play a reminding function to an operator in the installation process, thereby ensuring the installation and fixation of the grounding wire, the ejector rod is detachably arranged on the grounding bolt, the ejector rod and the switch are in mutually independent installation structures, mutual noninterference is realized between the ejector rod and the switch, and the false starting of the switch in the installation process is ensured, the safety performance is further improved, and the loss of the ejector rod is also avoided.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural 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;
FIG. 3 is a schematic structural view of the switch of the grounding wire of the present invention when the switch is turned on after the grounding wire is installed;
fig. 4 is a schematic structural view of the ejector rod mounted on the grounding bolt in the invention.
Reference numerals:
the device comprises a box body 1, an earthing bolt 11, a locking nut 12, a switch 13, a 14 ejector rod, a 141 rod body, a 142 limiting boss, a 15 connecting part, a 16 connecting plate, a 17 nut, a 171 mounting section, a 172 abutting section, an 18 fixing frame, a 2 earthing wire, a 3 contactor, a 4 control assembly, a 41 single chip microcomputer, a 42 remote controller, a 43 signal sending end, a 44 signal receiving end, a 45 operation key, a 46 pause key, a 47 indicating label, a 5 power supply, a 51 connecting wire, a 6 circuit board, a 61 relay, a 62 voltage detection module, a 63 alarm module and a 64 display.
Detailed Description
As shown in fig. 1, 2, 3 and 4, a circuit wiring test box comprises a box body 1 and a grounding wire 2 arranged on the box body 1, 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 assembly 4 for controlling the opening and closing of the contactor 3 is connected on the contactor 3, the control assembly 4 is arranged on the box body 1, a power supply 5 connected with the control assembly 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, the switch 13 is arranged on a connecting lead 51 of the power supply 5 and the control assembly 4, a mandril 14 abutting against the switch 13 is arranged on the grounding bolt 11, and the mandril 14 is detachably arranged on the grounding bolt 11, the locking nut 12 is provided with a connecting part 15 connected with the ejector rod 14, when the ejector rod 14 is installed on the connecting part 15, the ejector rod 14 abuts against the switch 13 to trigger the switch 13 to be conducted, and when the ejector rod 14 is installed on the grounding bolt 11, the connecting part is used for limiting the installation of the grounding wire 2.
The power supply condition of the power supply 5 to the control component 4 is controlled by the switch 13 arranged on the box body 1, the switch 13 is conducted by abutting the ejector rod 14 on the grounding bolt 11 to trigger the switch to be opened, because the ejector rod 14 is arranged on the grounding bolt 11, when the grounding wire 2 is not arranged, the control component 4 cannot act at the moment, thereby avoiding the misoperation of the contactor 3 when the grounding wire 2 is not arranged, and improving the safety performance, because the ejector rod 14 abuts against the switch 13, the ejector rod 14 needs to be arranged on the connecting part 15 of the locking nut 12, the ejector rod 14 needs to move to the switch 13 through the movement of the locking nut 12 on the grounding bolt 11, therefore, the locking nut 12 can play a reminding function to an operator in the installation process, thereby ensuring the installation and fixation of the grounding wire 2, the ejector rod 14 is detachably arranged on the grounding bolt 11, and the ejector rod 14 and the switch 13 are in mutually independent installation structures, the two do not interfere with each other, the false start of the switch 13 in the installation process is ensured, the safety performance is further improved, and the loss of the ejector rod 14 is also 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 locking nut 12 are of an integral structure, and the arrangement of a mounting hole is convenient for the installation and the disassembly of the ejector rod 14, the connecting part 15 is arranged into the structures 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 locking nut 12 are arranged into the integral structure, the installation process of the connecting plate 16 and the locking nut 12 can be simplified, the strength of the locking nut 12 is improved, the ejector rod 14 comprises a rod body 141 and a limiting boss 142 arranged on the rod body 141, the rod body 141 is provided with external threads, the mounting hole is a threaded hole, the limiting boss 142 and the rod body 141 are of the integral structure, the ejector rod 14 is arranged into the rod body 141 and the limiting boss 142, and the installation of the ground wire 2 is limited by the limiting boss 142, the external thread on the rod body 141 can ensure the quick assembly and disassembly of the mandril 14 on the grounding bolt 11 and the nut 17, ensure the fixing quality of the rod body 141, secondly, the limit boss 142 and the rod body 141 are arranged into an integral structure, so that the installation process between the rod body 141 and the limit boss 142 can be simplified, the installation strength of the whole ejector rod 14 can be improved, the nut 17 comprises an installation section 171 arranged on the connecting plate 16, and an abutting section 172 abutting against the limit boss 142, the mounting section 171 and the abutting section 172 are of an integral structure, the nut 17 is provided with the mounting section 171 and the abutting section 172, so that the quick mounting with the connecting plate 16 can be realized, the abutting section 172 can increase the contact area with the limit boss 142, the mounting quality of the ejector rod 14 is improved, next, by providing the mounting section 171 and the abutment section 172 as an integral structure, the mounting strength of the entire nut 17 can be improved, and damage to the nut 17 can be reduced.
The control component 4 comprises a singlechip 41 connected with the contactor 3 and a remote controller 42 for sending a control instruction to the singlechip 41, the remote controller 42 is provided with a signal sending end 43, the singlechip 41 is provided with a signal receiving end 44 connected with the signal sending end 43, 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 by the singlechip 41 to control the on state of a three-phase circuit, so that the step that a human body touches the switch 13 is omitted, the three-phase circuit control operation is lower in investment cost, higher in efficiency and better in safety performance, the human body can be protected from being injured to the maximum extent, the remote controller 42 can well control the singlechip 41, the misoperation of the singlechip 41 is avoided, the safety performance is further improved, the remote controller 42 is provided with an operation key 45 and a pause key 46, and the indication label 47 is arranged on the remote controller 42, so that a control instruction can be sent to the singlechip 41 according to actual requirements, operation of an operator is facilitated, the setting of the indication label 47 ensures the accuracy rate in operation, misoperation in control is reduced, and the safety performance is improved.
The circuit board 6 is arranged in the box body 1, the single chip 41 and the contactor 3 are both arranged on the circuit board 6, the relay 61 is arranged between the single chip 41 and the contactor 3, the circuit board 6 can realize the quick connection between the single chip 41 and the contactor 3, and can accurately control the connection state of the contactor 3, the contactor 3 in the embodiment adopts a controllable high-voltage contactor, the ground discharge of induction voltage can be realized, the relay 61 can play a certain protection role on the connection state of the contactor 3, the circuit board 6 is also provided with a voltage detection module 62 and an alarm module 63, the voltage detection module 62 and the alarm module 63 are both connected with the single chip 41, when the electric quantity is too low, the alarm prompt can be timely sent to an operator, when the voltage detection module 62 detects that the electric quantity of the power supply 5 is lower than a set value, the single chip microcomputer 41 receives a signal of the voltage detection module 62 and triggers the alarm module 63 to send an alarm prompt, the voltage detection module 62 and the alarm module 63 in the embodiment are both in the prior art, detailed description is not provided in the embodiment, the box body 1 is provided with the display 64 connected with the single chip microcomputer 41, the on-state of the contactor 3 and the electric quantity condition of the power supply 5 can be displayed in real time, an operator can conveniently obtain information, the box body 1 is provided with the fixing frame 18 for fixing the remote controller 42, the remote controller 42 can be installed and stored on the box body 1 when the remote controller is not used, and loss or damage of the remote controller 42 is avoided.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (10)
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 current in the box, be connected with the control contactor disconnection and the closed control assembly of control contactor on the contactor, its characterized in that: the control assembly sets up on the box, be equipped with the power that links to each other with the control assembly in the box, be equipped with the earth bolt that links to each other with the earth connection on the box, the last lock nut that is equipped with of earth bolt, be equipped with the switch on the box, the switch sets up on the connecting wire of power and control assembly, the last ejector pin that offsets with the switch that is equipped with of earth bolt, just ejector pin detachable installs on earth bolt, lock nut is last to be equipped with the connecting portion that link to each other with the ejector pin, when the ejector pin is installed on connecting portion the ejector pin offsets and trigger switch switches on, is used for restricting the installation of earth connection when the ejector pin is installed on earth bolt.
2. A line wiring test chamber as claimed in claim 1, wherein: 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.
3. A line wiring test chamber as claimed in claim 2, wherein: 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.
4. A line wiring test chamber as claimed in claim 2, wherein: the nut includes that one section installs the installation section on the connecting plate to and one section and the butt section that spacing boss offseted, just installation section and butt section formula structure as an organic whole.
5. A line wiring test chamber as claimed in claim 1, wherein: 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, 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 and the single chip microcomputer are connected.
6. A line wiring test chamber as claimed in claim 5, wherein: the remote controller is provided with an operation key and a pause key, and the remote controller is provided with an indication label.
7. A line wiring test chamber as claimed in claim 5, wherein: the box is internally provided with a circuit board, the single chip microcomputer and the contactor are arranged on the circuit board, the circuit board is provided with a relay, and the relay is arranged between the single chip microcomputer and the contactor.
8. A line wiring test chamber as claimed in claim 7, 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 both connected with the single chip microcomputer.
9. A line wiring test chamber as claimed in claim 7, wherein: and a display connected with the single chip microcomputer is arranged on the box body.
10. A line wiring test chamber as claimed in claim 5, wherein: the box body is provided with a fixing frame for fixing the remote controller.
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 true CN113466499A (en) | 2021-10-01 |
| CN113466499B CN113466499B (en) | 2024-04-09 |
Family
ID=77871492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110586672.5A Active CN113466499B (en) | 2021-05-27 | 2021-05-27 | Circuit wiring test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113466499B (en) |
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| 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 |
-
2021
- 2021-05-27 CN CN202110586672.5A patent/CN113466499B/en active Active
Patent Citations (14)
| 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 |
| US20110121846A1 (en) * | 2008-06-20 | 2011-05-26 | Tokyo Electron Limited | Contact structure for inspection |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN113466499B (en) | 2024-04-09 |
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