CN220357237U - Wiring detection device for secondary fusion voltage transformer during operation - Google Patents
Wiring detection device for secondary fusion voltage transformer during operation Download PDFInfo
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- CN220357237U CN220357237U CN202322002024.8U CN202322002024U CN220357237U CN 220357237 U CN220357237 U CN 220357237U CN 202322002024 U CN202322002024 U CN 202322002024U CN 220357237 U CN220357237 U CN 220357237U
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- conduction chamber
- detection device
- voltage transformer
- switching cavity
- line side
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000004927 fusion Effects 0.000 title claims abstract description 10
- 238000012797 qualification Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a wiring detection device for a secondary fusion voltage transformer in operation, which is characterized by comprising a detection box body and an extension cable, wherein an aviation socket is arranged on the detection box body, an aviation plug matched with the aviation socket is arranged on the extension cable, a switching cavity is arranged on the detection box body, a plurality of contact pieces A and a plurality of contact pieces B are arranged on two side walls of the switching cavity, the aviation socket is electrically connected with the contact pieces A, two voltmeters are arranged in the detection box body, and the two voltmeters are electrically connected with the contact pieces B; a sliding box is arranged in the switching cavity, a first conduction chamber and a second conduction chamber are arranged in the sliding box, a wire is arranged in the first conduction chamber, and a resistor module is arranged in the second conduction chamber; the contact pole piece A and the contact pole piece B are connected through a wire in the first conduction chamber or a resistor module in the second conduction chamber. The utility model can eliminate the induced voltage and rapidly and accurately detect the voltage at the incoming line side and the outgoing line side.
Description
Technical Field
The utility model relates to the technical field of electricity, in particular to a wiring detection device for a secondary fusion voltage transformer during operation.
Background
The secondary equipment is separated, and the problems of difficult installation and the like caused by mismatching of the models of the secondary equipment exist. Along with the continuous improvement of the requirements of the power grid on the power supply stability and the reliability, the secondary integration (namely, integrating the functions of primary equipment and secondary equipment together in design) becomes an industry development trend, and has obvious advantages in the aspects of reaction speed, diagnosis accuracy, intelligent level and the like.
At present, an operator needs to detect whether the wiring of a secondary fusion voltage transformer is correct when running, in the existing equipment, incoming line side voltage and outgoing line side voltage are connected into an FTU (feeder terminal equipment) through an aviation plug, 220V and 100V of incoming and outgoing lines are output by adopting a cable, the incoming and outgoing lines correspond to the detected extension cable, when a certain voltage line is not wired, the equipment is in operation, when voltage exists on another voltage line, induced voltage can appear on the voltage line without wiring, the induced voltage value can sometimes reach 30V when no load, the qualification of an output winding of the voltage transformer cannot be judged when detection is caused, and the wiring correctness and qualification of the voltage transformer cannot be judged. The present application therefore provides a detection device to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a wiring detection device for a secondary fusion voltage transformer in operation, which can eliminate induced voltage and rapidly and accurately detect the voltages at the incoming line side and the outgoing line side.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wiring detection device when a secondary fuses voltage transformer operation, includes detection box body and extension cable, be equipped with aviation socket on the detection box body, be equipped with on the extension cable with aviation socket matched with aviation plug, its characterized in that: the detection box body is provided with a switching cavity, two side walls of the switching cavity are provided with a plurality of contact pole pieces A and a plurality of contact pole pieces B, the aviation socket is electrically connected with the contact pole pieces A, two voltmeters are arranged in the detection box body, and the two voltmeters are electrically connected with the contact pole pieces B; a sliding box is arranged in the switching cavity, a first conduction chamber and a second conduction chamber are arranged in the sliding box, a wire is arranged in the first conduction chamber, and a resistance module is arranged in the second conduction chamber; the contact pole piece A and the contact pole piece B are connected through a wire in the first conduction chamber or a resistor module in the second conduction chamber.
The utility model is further provided with: the extension cable comprises an incoming line side core wire and an outgoing line side core wire, and the two voltmeters are respectively connected with the incoming line side core wire and the outgoing line side core wire, so that the two voltmeters respectively display a voltage value corresponding to the incoming line side and a voltage value corresponding to the outgoing line side.
The utility model is further provided with: the switching cavity is provided with an opening, the sliding box is provided with a handle extending out of the opening, and the sliding box can be driven to slide in the switching cavity through the handle.
The utility model is further provided with: the second conduction chamber is arranged on one side close to the opening, so that the second conduction chamber can move to the outside of the switching cavity through the sliding of the sliding box.
The utility model is further provided with: the switching cavity is internally provided with a limiting convex ring, the position of the sliding box corresponding to the first conduction chamber and the second conduction chamber is provided with a limiting groove, and the limiting groove is matched with the limiting convex ring.
The utility model is further provided with: the resistor module and the second conduction chamber are detachably arranged.
In summary, the utility model has the following beneficial effects:
compared with the prior art, the utility model has the advantages that the switching cavity and the sliding box are arranged, the resistance module is arranged in the second conduction chamber in the sliding box, and when the first conduction chamber is connected with the contact pole piece A and the contact pole piece B, the first conduction chamber is in an idle state, so that the voltage in the idle state can be detected; when the second conduction chamber is connected to the contact pole piece A and the contact pole piece B, load can be applied to the circuit through the resistor module, so that possible induced voltage is eliminated, and the wiring correctness and the grid lines of the voltage transformer can be judged more accurately. In addition, through the arrangement of the switching cavity and the sliding box, the second conducting chamber of the sliding box can move out of the switching cavity through the opening, so that the resistance module for providing the load can be conveniently detached and replaced, and the resistors with different load powers are replaced, so that the resistance module is convenient to adjust and convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic diagram of the connection of the internal circuits when the first conducting chamber of the present embodiment is connected;
FIG. 3 is a schematic diagram of the connection of the internal circuit when the second conducting chamber of the present embodiment is connected;
fig. 4 is an enlarged schematic view of the structure of fig. 2A.
Reference numerals: 1. a detection box body; 11. extending the cable; 2. aviation socket; 22. aviation plug; 3. a voltmeter; 4. a switching cavity; 401. a touch plate A; 402. a contact piece B; 5. a slide box; 501. a first conduction chamber; 502. a second conduction chamber; 6. a resistor module; 7. an opening; 8. a handle; 9. a limit convex ring; 10. and a limit groove.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment discloses wiring detection device when a secondary fuses voltage transformer operation, as shown in fig. 1-4, including detecting box body 1 and extension cable 11, be equipped with aviation socket 2 on the detection box body 1, be equipped with on the extension cable 11 with aviation socket 2 matched with aviation plug 22, wherein, extension cable 11 connects out from a secondary fuses voltage transformer, be connected to in detecting box body 1 through aviation plug and aviation socket, aviation plug and aviation socket adopt national network secondary to fuse PT special aviation plug and aviation socket, it can be with every heart yearn in the extension cable 11 branch, the follow-up detection of being convenient for. In this embodiment, a switching cavity 4 is arranged on the detection box body 1, a plurality of contact pieces a401 and a plurality of contact pieces B402 are arranged on two side walls of the switching cavity 4, the aviation socket 2 is electrically connected with the contact pieces a401, two voltmeters 3 are arranged in the detection box body 1, and the two voltmeters 3 are electrically connected with the contact pieces B402; a sliding box 5 is arranged in the switching cavity 4, a first conduction chamber 501 and a second conduction chamber 502 are arranged in the sliding box 5, a wire is arranged in the first conduction chamber 501, and a resistor module 6 is arranged in the second conduction chamber 502; the contact pole piece A and the contact pole piece B are connected through a wire in the first conduction chamber or a resistor module in the second conduction chamber. Through the structure, the sliding box 5 slides in the switching cavity 4 to switch between the first conduction chamber and the second conduction chamber, and the wires are simply arranged in the first conduction chamber, so that the core wires in the extension cable are directly connected to the voltmeter, and the voltage during no-load is measured; and the second conduction chamber is provided with a resistor module 6, so that the core wire is connected to the load and then connected to the voltmeter, and the voltage during loading is measured. In this embodiment, the resistor module 6 is preferably a 75W loading resistor, which can well eliminate the induced voltage, because the incoming line side voltage and the outgoing line side voltage enter the FTU through a 6-core aviation plug, and 220V and 100V of the incoming line and the outgoing line are output by adopting one cable, when a certain voltage line is not connected with a running circuit, the induced voltage can appear on the voltage line which is not connected with the voltage line, the no-load induced voltage value can sometimes reach 30V, so that the qualification of the output winding of the voltage transformer cannot be judged, and therefore, by adding a load, the induced voltage can be eliminated, and the wiring correctness and qualification of the voltage transformer can be more accurately judged. Meanwhile, the voltmeter is preferably a multifunctional digital display voltmeter with four voltage displays, 220V, 100V and 220V zero line to ground and 100V zero line to ground voltage values of an access core wire can be measured and displayed at one time, and the use is convenient.
Further, the extension cable 11 includes a wire-incoming side core wire and a wire-outgoing side core wire, and the two voltmeters 3 are respectively connected with the wire-incoming side core wire and the wire-outgoing side core wire, so that the two voltmeters 3 respectively display a voltage value corresponding to the wire-incoming side and a voltage value corresponding to the wire-outgoing side. The specific wiring of the voltmeter is introduced below, the voltmeter is connected with a ground wire (not shown in the figure), the extension cable is a six-core cable, wherein two cores are a 220V zero line and a 100V zero line, the two cores are respectively connected into the two voltmeters, the remaining four cores are respectively a 220V live wire and a 100V live wire at the inlet side and a 220V live wire and a 100V live wire at the outlet side, two inlet sides of the four cores are connected into one voltmeter, and two outlet sides are connected into the other voltmeter, so that the direct comparison of voltages at the inlet side and the outlet side can be conveniently carried out by operators.
Further, an opening 7 is formed in the switching cavity 4, a handle 8 extending out of the opening 7 is arranged on the sliding box 5, and the sliding box 5 can be driven to slide in the switching cavity 4 through the handle 8. Through above-mentioned structure, just can drive slip box 5 through pulling handle 8 and switch over the intracavity and slide for the slip box can stretch out from the opening, and, the second switches on the room 502 and sets up in the one side that is close to opening 7, through the slip of slip box 5 like this, make the second switch on the room 502 movable to switch over the chamber outside, and resistance module 6 and second switch on the room 502 and realize dismantling through modes such as buckle and be connected, be convenient for change the resistance module of second switch on the room inside, make this device change the load size of switch-on according to the induced voltage that different circuits produced, it is convenient to adjust.
Further, a limiting convex ring 9 is arranged in the switching cavity 4, and a limiting groove 10 is arranged at the position of the sliding box 5 corresponding to the first conducting chamber and the second conducting chamber and is matched with the limiting convex ring. Through the structure, the matching positions of the contact pole piece A, the contact pole piece B and the contact points on the first conducting chamber and the second conducting chamber can be ensured to be accurate, and the reliability is improved.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. Wiring detection device when a secondary fuses voltage transformer operation, including detecting box body (1) and extension cable (11), be equipped with aviation socket (2) on detecting box body (1), be equipped with on extension cable (11) with aviation socket (2) matched with aviation plug (22), its characterized in that: the detection box body (1) is provided with a switching cavity (4), two side walls of the switching cavity (4) are provided with a plurality of touch electrode plates A (401) and a plurality of touch electrode plates B (402), the aviation socket (2) is electrically connected with the touch electrode plates A (401), two voltmeters (3) are arranged in the detection box body (1), and the two voltmeters (3) are electrically connected with the touch electrode plates B (402); a sliding box (5) is arranged in the switching cavity (4), a first conduction chamber (501) and a second conduction chamber (502) are arranged in the sliding box (5), a wire is arranged in the first conduction chamber (501), and a resistor module (6) is arranged in the second conduction chamber (502); the contact pole piece A and the contact pole piece B are connected through a wire in the first conduction chamber or a resistor module in the second conduction chamber.
2. The secondary fusion voltage transformer run-time wiring detection device of claim 1, wherein: the extension cable (11) comprises an incoming line side core wire and an outgoing line side core wire, and the two voltmeters (3) are respectively connected with the incoming line side core wire and the outgoing line side core wire, so that the two voltmeters (3) respectively display a voltage value corresponding to the incoming line side and a voltage value corresponding to the outgoing line side.
3. The secondary fusion voltage transformer run-time wiring detection device of claim 1, wherein: the switching cavity (4) is provided with an opening (7), the sliding box (5) is provided with a handle (8) extending out of the opening (7), and the sliding box (5) can be driven to slide in the switching cavity (4) through the handle (8).
4. A secondary fused voltage transformer run-time wiring detection device as described in claim 3, wherein: the second conduction chamber (502) is provided on a side close to the opening (7) so that the second conduction chamber (502) can be moved outside the switching chamber by sliding of the slide cassette (5).
5. The secondary fusion voltage transformer run-time wiring detection device of claim 1, wherein: the switching cavity (4) is internally provided with a limiting convex ring (9), the position of the sliding box (5) corresponding to the first conduction chamber and the second conduction chamber is provided with a limiting groove (10), and the limiting groove is matched with the limiting convex ring.
6. The secondary fusion voltage transformer run-time wiring detection device of claim 1, wherein: the resistor module (6) and the second conduction chamber (502) are detachably arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002024.8U CN220357237U (en) | 2023-07-27 | 2023-07-27 | Wiring detection device for secondary fusion voltage transformer during operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002024.8U CN220357237U (en) | 2023-07-27 | 2023-07-27 | Wiring detection device for secondary fusion voltage transformer during operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220357237U true CN220357237U (en) | 2024-01-16 |
Family
ID=89483071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322002024.8U Active CN220357237U (en) | 2023-07-27 | 2023-07-27 | Wiring detection device for secondary fusion voltage transformer during operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220357237U (en) |
-
2023
- 2023-07-27 CN CN202322002024.8U patent/CN220357237U/en active Active
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