CN219144599U - Secondary test lead device - Google Patents
Secondary test lead device Download PDFInfo
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- CN219144599U CN219144599U CN202122123546.4U CN202122123546U CN219144599U CN 219144599 U CN219144599 U CN 219144599U CN 202122123546 U CN202122123546 U CN 202122123546U CN 219144599 U CN219144599 U CN 219144599U
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- connecting screw
- lead
- screw
- hole
- secondary test
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a secondary test lead device, which comprises a lead, and is characterized in that two ends of the lead are respectively connected with a connecting screw and a plug, wherein: the inner end of the connecting screw is sleeved with an insulating sleeve, the outer end of the connecting screw is provided with a threaded section, and the plug connector is a U-shaped body with an open outer end and a closed inner end. The connecting mode through the screw has the advantages of reliable connection, strong tolerance and stable signal transmission. And the connecting part has small volume, can ensure the safety distance, and is suitable for various field applications. In addition, under the condition of meeting field test conditions, the original wiring of the equipment is not required to be removed or changed under specific conditions, and the screw hole is directly screwed by utilizing the short-circuit piece connection reserved on the original terminal, so that the device is safe, convenient and quick.
Description
Technical Field
The utility model relates to a lead device, in particular to a secondary test lead device, and belongs to the technical field of electrical detection.
Background
In the prior art, when the power plant automation equipment overhauls the test on site, the secondary test lead wire that the testers used is connected with binding post row mostly adopts modes such as screw crimping connecting wire, needle plug connection, banana plug connection, crocodile clamp joint. Because of larger difference of using conditions, the above-mentioned several connection modes have respective advantages and disadvantages and limitations of use, such as repeated disassembly and assembly of original junction box test wiring in screw crimping connection mode; the pin-shaped plug connection mode is not suitable for small terminal blocks and narrow spaces due to the large size; the banana plug connection mode is only suitable for large-volume terminals such as a current loop, a voltage loop and the like. Therefore, the connection mode cannot be better suitable for all test works, and unsafe events occur in the test process and the working efficiency is reduced.
Disclosure of Invention
The utility model provides a secondary test lead device, which aims to solve the problems of unsafe events and reduction of working efficiency in the experimental process caused by a plurality of problems of a connecting lead used in the conventional secondary test.
The utility model is completed by the following technical scheme: the utility model provides a secondary test lead wire device, includes the lead wire, its characterized in that lead wire both ends link to each other with connecting screw and plug respectively, wherein: the inner end of the connecting screw is sleeved with the insulating sleeve, the outer end of the connecting screw is provided with the threaded section, the plug connector is arranged into a U-shaped body with an open outer end and a closed inner end, after the threaded section of the outer end of the connecting screw is in threaded connection with the connecting terminal through the reserved short-circuit piece screw hole, the plug connector can be quickly plugged into a test jack of a test instrument, the test can be performed, the whole test process is rapid and efficient, and the operation is safe.
The connecting screw is provided with a plurality of connecting bolts with different diameters and different lengths according to the diameters and the depths of the screw holes of the reserved short connecting pieces of the connecting terminals so as to adapt to connection with different specifications.
The insulating sleeve is sleeved on the connecting screw, an axial through hole is formed in the wall of the insulating sleeve, a bent hole connected with the connecting screw is formed in the inner end of the axial through hole, one end of the lead wire penetrates through the through hole and the bent hole and then is connected with the connecting screw, the insulating sleeve plays a role in insulating protection, and an operator can directly screw the connecting screw into the reserved short-circuit piece screw hole of the connecting terminal by hands or a screwdriver.
The plug connector is a U-shaped connector with an opening at the outer end and a closed inner end, the U-shaped body is an insulator, a U-shaped conducting layer is arranged along the inner wall of the U-shaped body, the other end of the lead wire penetrates through a through hole in the U-shaped body and then is fixedly connected with the U-shaped conducting layer, and the lead wire is quickly plugged into a test jack of an inspection instrument through the U-shaped connector.
The leads are provided as a plurality of leads with different lengths according to the need.
The utility model has the following advantages and effects: by adopting the scheme, the connecting screw, the lead wire and the plug connector are connected in a mode, and the connecting screw has the advantages of reliable connection, strong tolerance and stable signal transmission. And the connecting part has small volume, can ensure the safety distance, and is suitable for various field applications. In addition, under the condition of meeting field test conditions, the original wiring of the equipment is not required to be removed or changed under specific conditions, and the screw hole is directly screwed by utilizing the short-circuit piece connection reserved on the original terminal, so that the device is safe, convenient and quick. Is an ideal secondary test lead.
Drawings
FIG. 1 is a block diagram of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The utility model provides a secondary test lead device, which comprises a lead 4, wherein two ends of the lead 4 are respectively connected with a connecting screw 1 and a plug connector 6, wherein: the inner end of the connecting screw 1 is sleeved with an insulating sleeve 2, the outer end of the connecting screw 1 is provided with threads, the diameter of the insulating sleeve is 1.5mm, the length of the insulating sleeve is 2cm, the insulating sleeve 2 is sleeved on the connecting screw 1, an axial through hole 3 is formed in the wall of the insulating sleeve, the inner end of the axial through hole 3 is provided with a bent hole connected with the connecting screw 1, and the left end head of the lead 4 passes through the through hole 3 and the bent hole and then is connected with the connecting screw 1; the plug connector 6 is arranged into a U-shaped body with an open outer end and a closed inner end, the U-shaped body is an insulator, a U-shaped conducting layer 7 is arranged along the inner wall of the U-shaped body, the right end of the lead 4 penetrates through the through hole 5 formed in the U-shaped body and then is fixedly connected with the U-shaped conducting layer 7, after the lead 4 is quickly plugged into a test jack of a test instrument, the lead 4, the connecting screw 1 and the U-shaped conducting layer 7 on the inner wall of the plug connector 6 are used for enabling a tested terminal to be electrically connected with the test instrument, and a compensation signal can be transmitted for testing.
Claims (5)
1. The utility model provides a secondary test lead wire device, includes the lead wire, its characterized in that lead wire both ends link to each other with connecting screw and plug respectively, wherein: the inner end of the connecting screw is sleeved with an insulating sleeve, the outer end of the connecting screw is provided with a threaded section, and the plug connector is a U-shaped body with an open outer end and a closed inner end.
2. The secondary test lead apparatus of claim 1, wherein the connecting screw is provided as a plurality of screws of different diameters and different lengths.
3. The secondary test lead device according to claim 1, wherein the insulating sleeve is sleeved on the connecting screw, an axial through hole is formed in the wall of the insulating sleeve, a bent hole connected with the connecting screw is formed in the inner end of the axial through hole, and one end of the lead is connected with the connecting screw after passing through the through hole and the bent hole.
4. The secondary test lead device according to claim 1, wherein the plug is a U-shaped connector with an opening at the outer end and a closed inner end, the U-shaped body is an insulator, a U-shaped conductive layer is provided along the inner wall of the U-shaped body, and the other end of the lead is fixedly connected with the U-shaped conductive layer after passing through a through hole provided in the U-shaped body.
5. The secondary test lead apparatus of claim 1, wherein the leads are provided in a plurality of different lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123546.4U CN219144599U (en) | 2021-09-03 | 2021-09-03 | Secondary test lead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123546.4U CN219144599U (en) | 2021-09-03 | 2021-09-03 | Secondary test lead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219144599U true CN219144599U (en) | 2023-06-06 |
Family
ID=86592738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122123546.4U Active CN219144599U (en) | 2021-09-03 | 2021-09-03 | Secondary test lead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219144599U (en) |
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2021
- 2021-09-03 CN CN202122123546.4U patent/CN219144599U/en active Active
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