CN220856940U - Terminal strip insulation device for preventing voltage reverse power transmission for training - Google Patents
Terminal strip insulation device for preventing voltage reverse power transmission for training Download PDFInfo
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- CN220856940U CN220856940U CN202322568826.5U CN202322568826U CN220856940U CN 220856940 U CN220856940 U CN 220856940U CN 202322568826 U CN202322568826 U CN 202322568826U CN 220856940 U CN220856940 U CN 220856940U
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- guide vane
- insulating
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- output
- training
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 238000012549 training Methods 0.000 title claims abstract description 14
- 238000009413 insulation Methods 0.000 title claims description 21
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 125000006850 spacer group Chemical group 0.000 claims abstract description 29
- 238000002788 crimping Methods 0.000 claims abstract description 10
- 239000003086 colorant Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model discloses a terminal strip insulating device for preventing voltage reverse power transmission for training, and relates to the technical field of training experimental equipment, wherein the terminal strip insulating device is connected to a terminal, and an input guide vane and an output guide vane are arranged on an insulating base; the connecting sheet is electrically connected between the input guide vane and the output guide vane, or the connecting sheet is far away from the input guide vane and the output guide vane; an input lead crimping hole is arranged on the input guide vane; the output guide plate is provided with an output wire crimping hole and a test wire jack; the experimental wire connector and the insulating spacer are fixedly arranged on the same side of the insulating head; the test wire connector is electrically connected with the test wire jack. The utility model has compact integral structure and reasonable arrangement, and when the utility model is electrically connected with the test wire jack through the test wire connector, the insulating spacer is arranged between the input guide vane and the output guide vane, so that the connecting sheet can be prevented from being electrically connected between the input guide vane and the output guide vane, thereby avoiding reverse power transmission.
Description
Technical Field
The utility model relates to the technical field of training experiment equipment, in particular to a terminal strip insulating device for preventing voltage reverse power transmission for training.
Background
The terminal is composed of a conducting plate and an insulating plate, and the function of the relay protection device is to connect the circuits of the on-screen equipment and the off-screen equipment, so as to play the role of signal (current and voltage) transmission, and a plurality of terminals are combined together to form a terminal block. The terminal strip is used for facilitating connection of the wires, and is actually a section of metal sheet sealed in the insulating support member, holes are formed at two ends of the metal sheet, the wires can be inserted into the holes, and screws are used for fastening or loosening the wires. For example, two wires are needed to be connected or disconnected at some time, the two wires can be connected by the terminal at any time, and the connecting sheet can be disconnected at any time without welding or winding the two wires together, so that the device is convenient and quick, and is suitable for interconnecting a large number of wires.
In the existing terminal structure, the connection piece is poked to realize the electric connection of the input flow deflector and the output flow deflector, the connection piece is connected between the input flow deflector and the output flow deflector in a rebound mode after the connection piece is disconnected, and the voltage reverse power transmission is easy to occur after the experimental wire connector is connected with the experimental wire jack. And adopt with experimental line joint, insulating isolation spare fixed the setting in the same side of insulating head, insulating isolation spare sets up between input guide vane, output guide vane when experimental line joint and experimental line jack electricity are connected, can effectively solve corresponding technical problem among the prior art.
Therefore, how to provide a terminal block insulation device for preventing reverse power transmission and voltage reverse power transmission for training is one of the technical problems to be solved in the art.
Disclosure of utility model
In view of the above, the utility model provides a terminal strip insulation device for preventing voltage reverse power transmission for training. The purpose is to solve the above-mentioned shortcomings.
In order to solve the technical problems, the utility model adopts the following technical scheme:
A terminal block insulation device for training against voltage back-feeding, the terminal block insulation device being connected to a terminal, the terminal comprising: the device comprises an insulating base, an input guide vane, an output guide vane and a connecting sheet; the input guide vane and the output guide vane are arranged on the insulating base; the connecting sheet is electrically connected between the input guide vane and the output guide vane, or the connecting sheet is far away from the input guide vane and the output guide vane; an input lead crimping hole is formed in the input guide plate; an output lead crimping hole and a test wire jack are arranged on the output guide vane;
The terminal block insulating device includes: an insulating head, an experimental wire joint and an insulating spacer; the experimental wire connector and the insulating spacer are fixedly arranged on the same side of the insulating head; the test line connector is electrically connected with the test line jack or the test line connector is far away from the test line jack; the insulating isolation piece is arranged between the input guide vane and the output guide vane, or is far away from the insulating base.
Preferably, the number of the test wire connectors is plural, and the wires connected to the plurality of the test wire connectors are respectively marked with different colors.
Preferably, a plurality of the test line connectors are arranged in a row.
Preferably, the insulating spacers are provided in plurality, and the plurality of insulating spacers are arranged in a row; the row surfaces of the insulating spacers are parallel to the row surfaces of the experimental wire connectors.
Compared with the prior art, the utility model has the following technical effects:
When the experimental wire connector is electrically connected with the experimental wire jack, the insulating spacer is arranged between the input guide vane and the output guide vane, so that the connecting sheet can be prevented from being electrically connected between the input guide vane and the output guide vane, and reverse power transmission can be avoided;
The number of the experimental wire joints is multiple, and the wires connected with the experimental wire joints are respectively marked with different colors, so that the experimental wires can be sequentially fixed, and the situation that students connect wrong electricity is avoided;
The experimental wire connectors are arranged in a row, the insulating spacers are arranged in a plurality, the insulating spacers are arranged in a row, the row surfaces of the insulating spacers are parallel to the row surfaces of the experimental wire connectors, and the experimental wire connectors are conveniently inserted into the experimental wire jacks, and the insulating spacers extend between the input guide plates and the output guide plates.
In summary, the utility model has compact overall structure and reasonable arrangement, and when the test wire connector is electrically connected with the test wire jack, the insulating spacer is arranged between the input guide vane and the output guide vane, so that the connecting sheet is prevented from being electrically connected between the input guide vane and the output guide vane to avoid reverse power transmission; the leads connected with the experimental wire connectors are respectively marked with different colors, so that the experimental wires can be sequentially fixed, and the situation that students connect wrong electricity is avoided.
Drawings
FIG. 1 is a schematic diagram of an electrical connection of a connecting pad of the present utility model;
FIG. 2 is a schematic broken view of a connecting piece according to the present utility model;
FIG. 3 is a schematic illustration of the insulation head, test wire connector and insulation spacer mating intent of the present utility model;
in the figure:
11-an insulating base; 12-inputting a deflector; 121-input wire crimp holes; 13-outputting a deflector; 131-outputting a wire crimp hole; 132—test line jack; 14-connecting sheets;
2-an insulating head;
3-an experimental wire joint;
4-insulating spacers.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 3, a terminal block insulation device for training to prevent voltage reversal power transmission is connected to a terminal, the terminal includes: the insulation base 11, the input guide vane 12, the output guide vane 13 and the connecting sheet 14, wherein the input guide vane 12 and the output guide vane 13 are arranged on the insulation base 11, the connecting sheet 14 is electrically connected between the input guide vane 12 and the output guide vane 13, or the connecting sheet 14 is far away from the input guide vane 12 and the output guide vane 13.
The connecting piece 14 is far away from the input deflector 12 and the output deflector 13, so that the current between the input deflector 12 and the output deflector 13 can be disconnected. In this embodiment, the connection piece 14 is adopted to slide under the input deflector 12 or slide under the output deflector 13 to disconnect the current.
The input deflector 12 is provided with an input wire crimping hole 121, and the output deflector 13 is provided with an output wire crimping hole 131 and a test wire jack 132. The wire crimp holes 121 and 131 are connected to cables, respectively, and an operation current is inputted from the wire crimp holes 121, and the operation current flows into the protector through the input deflector 12, the connecting piece 14, the output deflector 13, and the wire crimp holes 131.
The terminal block insulating device includes: the insulation head 2, the experiment line connector 3 and the insulation spacer 4 are fixedly arranged on the same side of the insulation head 2, and the experiment line connector 3 is used for guiding experiment current.
When the connecting piece 14 slides to the lower part of the input guide vane 12, the input of operation current is disconnected, the experimental wire connector 3 is electrically connected with the experimental wire jack 132, meanwhile, the insulating spacer 4 is arranged between the input guide vane 12 and the output guide vane 13, the insulating spacer 4 prevents the connecting piece 14 from rebounding, reverse voltage power transmission is prevented, and the damage of associated equipment, the tripping of the upper-stage idle opening or the electric shock of personnel are caused.
In this embodiment, the number of the test wire connectors 3 is plural, and the wires connected to the plurality of test wire connectors 3 are respectively marked with different colors. As shown in fig. 3, four test wire connectors 3 are sequentially arranged from right to left, A, B, C, N four-phase electricity is respectively connected, the test wires are sequentially fixed, the fixed ends of the four test wire connectors 3 are connected with wires, and the four wires are in four colors of yellow, green, red and black, so that the situation that students connect wrong electricity can be avoided.
In another embodiment, the insulation head 2 area of the fixed end of the four experimental wire joints 3 is marked with four colors of yellow, green, red and black.
The plurality of experimental wire joints 3 are arranged in a row, the plurality of insulating spacers 4 are arranged in a plurality, and the plurality of insulating spacers 4 are arranged in a row, and the row surfaces of the plurality of insulating spacers 4 are parallel to the row surfaces of the plurality of experimental wire joints 3.
In another embodiment, the input guide vane 12 and the output guide vane 13 are disposed at positions corresponding to each other.
The operation process comprises the following steps:
the test wire connector 3 is far away from the test wire jack 132, and the insulating spacer 4 is far away from the insulating base 11; the connecting piece 14 is electrically connected between the input deflector 12 and the output deflector 13, and the working current flows into the protection device through the input deflector 12, the connecting piece 14, the output deflector 13 and the wire crimping hole 131;
When the experiment is overhauled, when the connecting sheet 14 slides to the lower part of the input deflector 12, the input of operation current is disconnected, the experiment wire connector 3 is electrically connected with the experiment wire jack 132, meanwhile, the insulating spacer 4 is arranged between the input deflector 12 and the output deflector 13, and the experiment current flows into the protection device through the experiment wire connector 3, the experiment wire jack 132, the output deflector 13 and the wire crimping hole 131;
The insulating spacer 4 prevents the connection piece 14 from rebounding, prevents the reverse voltage transmission, and avoids the damage of associated equipment, the tripping of the upper-level idle opening or the electric shock of personnel.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the technical scope of the present utility model, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (4)
1. A terminal block insulation device for training against voltage back-feeding, the terminal block insulation device being connected to a terminal, the terminal comprising: an insulating base (11), an input guide vane (12), an output guide vane (13) and a connecting sheet (14); the input guide vane (12) and the output guide vane (13) are arranged on the insulating base (11); the connecting sheet (14) is electrically connected between the input guide sheet (12) and the output guide sheet (13), or the connecting sheet (14) is far away from the input guide sheet (12) and the output guide sheet (13); an input lead crimping hole (121) is formed in the input guide vane (12); an output lead crimping hole (131) and a test wire jack (132) are arranged on the output guide vane (13);
The terminal strip insulating device is characterized by comprising: an insulation head (2), an experimental wire joint (3) and an insulation spacer (4); the experimental wire connector (3) and the insulating spacer (4) are fixedly arranged on the same side of the insulating head (2);
The test line connector (3) is electrically connected with the test line jack (132), or the test line connector (3) is far away from the test line jack (132);
the insulating isolation piece (4) is arranged between the input guide vane (12) and the output guide vane (13), or the insulating isolation piece (4) is far away from the insulating base (11).
2. The device for preventing reverse voltage transmission for training according to claim 1, wherein a plurality of the test wire connectors (3) are provided, and the wires connected to the plurality of the test wire connectors (3) are respectively marked with different colors.
3. The terminal block insulation device for training against voltage back-feeding according to claim 2, wherein a plurality of the test wire connectors (3) are arranged in a row.
4. A terminal block insulation device for training against voltage back-feeding according to claim 3, wherein a plurality of said insulating spacers (4) are provided, and a plurality of said insulating spacers (4) are arranged in a row;
The row surfaces of the insulating spacers (4) are parallel to the row surfaces of the experimental wire connectors (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568826.5U CN220856940U (en) | 2023-09-21 | 2023-09-21 | Terminal strip insulation device for preventing voltage reverse power transmission for training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568826.5U CN220856940U (en) | 2023-09-21 | 2023-09-21 | Terminal strip insulation device for preventing voltage reverse power transmission for training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856940U true CN220856940U (en) | 2024-04-26 |
Family
ID=90774068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322568826.5U Active CN220856940U (en) | 2023-09-21 | 2023-09-21 | Terminal strip insulation device for preventing voltage reverse power transmission for training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856940U (en) |
-
2023
- 2023-09-21 CN CN202322568826.5U patent/CN220856940U/en active Active
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