CN211123157U - Special wiring terminal for breaker trolley test - Google Patents
Special wiring terminal for breaker trolley test Download PDFInfo
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- CN211123157U CN211123157U CN201921339102.0U CN201921339102U CN211123157U CN 211123157 U CN211123157 U CN 211123157U CN 201921339102 U CN201921339102 U CN 201921339102U CN 211123157 U CN211123157 U CN 211123157U
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Abstract
The utility model discloses a special binding post for a breaker trolley test, which comprises a shell and a conductive tube embedded in the inner side of the shell, wherein a conductive elastic sheet matched with a secondary aviation plug of a breaker is annularly arranged on one side of the inner wall of the conductive tube along the central axis of the conductive tube; the shell is divided into two half parts which are connected in a buckling manner along the axis direction, and the conductive tube is divided into two half parts which are embedded in the inner side of the shell and form an open circuit along the axis direction; the tail part of the conductive elastic sheet is provided with a conductive section which is just in contact with the inner wall of the conductive tube when a secondary aviation plug of a breaker is inserted into the conductive elastic sheet and then the conductive elastic sheet is pushed open, and the conductive section is separated into two parts to form an electric connection path when being in contact with the inner wall of the conductive tube; and the shell is provided with a base which is just contacted with the breaker when the secondary aviation plug of the breaker is inserted, and the base is close to the secondary aviation plug insertion end of the breaker. The utility model discloses overall design is novel, and the practicality is strong, easy operation, and is efficient.
Description
Technical Field
The utility model relates to an electronic equipment, concretely relates to experimental special terminal of circuit breaker dolly.
Background
At present, when a transformer substation carries out preventive tests such as the action voltage of a switching-on electromagnet and the time characteristics of switching-off and switching-on of a circuit breaker on a small car of the circuit breaker, a test wire is generally required to be used for contacting a corresponding test port on a secondary aviation plug, two testers are generally required to be consumed, one worker can take a stable secondary aviation plug, one worker is responsible for finding the test port, the two test wire ends are very close to each other, the test short circuit is caused by particularly easy mistaken collision, the test fails (as shown in the figure), on the other hand, the number of ports on the secondary aviation plug of the circuit breaker small car is large, the testers are often caused to find the mistaken test port to cause the test failure, the time and the.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a circuit breaker dolly test special terminal.
In order to realize the purpose, the utility model discloses a technical scheme is: a wiring terminal special for a breaker trolley test comprises a shell and a conductive tube embedded in the inner side of the shell, wherein a conductive elastic sheet matched with a secondary aviation plug of a breaker is annularly arranged on one side of the inner wall of the conductive tube along the central axis of the conductive tube; the shell is divided into two half parts which are connected in a buckling manner along the axis direction, and the conductive tube is divided into two half parts which are embedded in the inner side of the shell and form an open circuit along the axis direction; the tail part of the conductive elastic sheet is provided with a conductive section which is just in contact with the inner wall of the conductive tube when a secondary aviation plug of a breaker is inserted into the conductive elastic sheet and then the conductive elastic sheet is pushed open, and the conductive section is separated into two parts to form an electric connection path when being in contact with the inner wall of the conductive tube; and the shell is provided with a base which is just contacted with the breaker when the secondary aviation plug of the breaker is inserted, and the base is close to the secondary aviation plug insertion end of the breaker.
Preferably, the shell is divided into a first tube body and a second tube body from top to bottom along the central axis of the shell; the tail end of the outer surface of the first pipe body is fixedly provided with an annular wall which is connected with the upper end of the outer surface of the second pipe body in a buckling manner; the top end of the inner surface of the second tube body is vertically provided with an annular partition board along the radial direction, and the annular partition board separates two halves of the conductive elastic sheet into the first tube body and the second tube body respectively.
Preferably, the top end of the outer surface of the first pipe body is provided with an annular boss along the radial direction, and the outer surface of the annular boss is a knurled surface.
Preferably, the inner diameter of the annular partition plate is 1-5 mm larger than that of the conductive pipe, the conductive section can penetrate through the inner side of the annular partition plate when the secondary aviation plug of the circuit breaker is not inserted, and the upper surface and the lower surface of the annular partition plate are provided with shielding layers.
Preferably, the conducting tube is divided into an upper semi-conducting tube and a lower semi-conducting tube from top to bottom along the central axis of the conducting tube, the conducting elastic sheet is fixed in the lower semi-conducting tube, the arc top-shaped area of the conducting elastic sheet forms a hexagonal prism space which is just uniformly opened at the same time when the secondary aviation plug of the circuit breaker is inserted, the conducting section is positioned in the upper semi-conducting tube, and the conducting section is just in contact with the upper semi-conducting tube to form electric connection when the secondary aviation plug of the circuit breaker is inserted.
Preferably, the base is a conical pipe body with a flat section, the central axis of the base and the central axis of the conductive pipe are on the same straight line, the diameter of the inner surface of the base is the same as the inner diameter of the conductive pipe, the bottom surface of the base is provided with a rubber layer with the same size and shape as the bottom surface of the base, and the ground of the rubber layer is annularly provided with a conical notch.
Compared with the prior art, the utility model has the advantages of:
1. one end of the special wiring terminal for the test of the circuit breaker trolley is connected to the secondary aviation plug, and the other end of the special wiring terminal for the test of the circuit breaker trolley is connected to the test wire, so that the test wire and the secondary aviation plug can be fixed, and both hands of a tester are thoroughly liberated. The terminal can be used for accurately determining the test port, so that the test time is greatly saved, and the working efficiency is improved. The wiring terminal is insulated, and can well prevent the test wire from being touched by mistake to cause short circuit, so that the test fails.
2. The split type structure, the accessory replacement cost is low, avoids electrical components to influence data after ageing. Meanwhile, the shell and the conductive tube are divided into two parts, the tail part of the conductive elastic piece is provided with a conductive section which is just in contact with the inner wall of the conductive tube when the secondary aviation plug of the breaker is inserted into the conductive elastic piece and then jacks the conductive elastic piece, the length and the area of an electric circuit are reduced, the signal attenuation is effectively reduced, and the normal transmission of signals is ensured.
3. The casing inserts the end near circuit breaker secondary aviation plug and is provided with the base that just contacts with the circuit breaker when inserting of circuit breaker secondary aviation plug, and in the use, the base plays the atress and supports, avoids circuit breaker secondary aviation plug atress to damage completely, plays a guard action, plays the effect of location simultaneously, makes things convenient for the accurate swift location of test wire.
4. The utility model discloses overall design is novel, and the practicality is strong, easy operation, and is efficient.
Drawings
Fig. 1 is the utility model discloses the experimental special terminal's of circuit breaker dolly structure schematic diagram.
Fig. 2 is the utility model discloses the experimental special terminal's of circuit breaker dolly explosion schematic diagram.
Fig. 3 is the utility model discloses circuit breaker dolly test special terminal's section structure schematic diagram.
Fig. 4 is the schematic view of the sectional structure of the contact tube of the special terminal for the test of the breaker trolley of the utility model.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, the special wiring terminal for the breaker trolley test comprises a shell and a conductive tube embedded in the shell, wherein one side of the inner wall of the conductive tube is annularly provided with a 41 matched with a secondary aviation plug of the breaker along the central axis of the conductive tube; the shell is divided into two half parts in buckling connection along the axis direction, is of a split structure, has low replacement cost of accessories, avoids the influence on data after the electrical element is aged, and is divided into a first tube body 1 and a second tube body 22 from top to bottom along the axis of the shell; the tail end of the outer surface of the first pipe body 1 is fixedly provided with an annular wall 12 which is connected with the upper end of the outer surface of the second pipe body 22 in a buckling manner; the top end of the inner surface of the second pipe body 22 is vertically provided with an annular partition plate along the radial direction, the inner diameter of the annular partition plate is 1-5 mm larger than that of the conductive pipe, the conductive section 412 can penetrate through the inner side of the annular partition plate when the secondary aviation plug of the circuit breaker is not inserted, the upper surface and the lower surface of the annular partition plate are both provided with shielding layers, and the two halves of the annular partition plate 41 are respectively isolated in the first pipe body 1 and the second pipe body 2. The top end of the outer surface of the first pipe body 1 is provided with an annular boss 11 along the radial direction, and the outer surface of the annular boss 11 is a knurled surface. The conducting tube is divided into two half parts which are embedded on the inner side of the shell and form open circuit along the axis direction, the conducting tube is divided into an upper semi-conducting tube 3 and a lower semi-conducting tube 4 from top to bottom along the central axis of the conducting tube, 41 is fixed in the lower semi-conducting tube 4, the arc top-shaped area of 41 forms a hexagonal prism space which is just uniformly opened when a breaker secondary aviation plug is inserted, the conducting section 412 is positioned in the upper semi-conducting tube 3, the conducting section 412 just contacts with the upper semi-conducting tube 3 to form electric connection when the breaker secondary aviation plug is inserted, the length and the area of an electric circuit are reduced, the signal attenuation is effectively reduced, and the normal transmission of signals is ensured. The tail part of the contact tube 41 is provided with a conductive section 412 which is just contacted with the inner wall of the conductive tube when a secondary aviation plug of a breaker is inserted into the rear jacking-open contact 41, and the conductive section 412 is contacted with the inner wall of the conductive tube to form an electric connection path for the conductive tube divided into two parts; and, the casing is close to the circuit breaker secondary aviation plug and inserts the end and be provided with the base 21 that just contacts with the circuit breaker when inserting of circuit breaker secondary aviation plug, and base 21 plays the atress and supports, avoids circuit breaker secondary aviation plug atress to damage completely, plays a guard action, plays the effect of location simultaneously, makes things convenient for the accurate swift location of test wire. Base 21 is the flat section cone body, and base 21's center pin is on same straight line with the center pin of conducting tube, and base 21 internal surface diameter is the same with the internal diameter size of conducting tube, and base 21 bottom surface is provided with big or small shape and the identical rubber layer in base 21 bottom surface, and rubber layer ground annular is equipped with tapered slot 22, when lieing in the circuit breaker contact, provides certain suction and makes to connect more stably.
As can be seen from fig. 1, 2 and 3, the method of use and the steps of implementation are illustrated in an embodiment, the secondary aviation plug of the circuit breaker is inserted through the base 21 and then enters the hexagonal prism space formed by the arc-shaped region of the base 41, and then goes further, at this time, the base 41 is pushed open, and the contact between the base 21 and the circuit breaker plays a role of supporting and fixing. During the ejection of 41, the conductive segments 412 are opened and brought into contact with the top semi-conductive tube 3 to form an electrical connection, and then a test wire is inserted to start the test. After the test is finished, the test line is pulled out, the special wiring terminal for the test of the breaker trolley is pulled out, the secondary aviation plug of the breaker is separated from the hexagonal space formed by the arc-top-shaped area of the 41, the 41 is restored to the initial position under the self elastic restoring acting force, the conductive section 412 is separated from the contact with the upper semi-conductive tube 3, and the test is finished.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A special wiring terminal for a breaker trolley test; the method is characterized in that: the circuit breaker secondary aviation plug comprises a shell and a conductive tube embedded in the inner side of the shell, wherein a conductive elastic sheet matched with the circuit breaker secondary aviation plug is annularly arranged on one side of the inner wall of the conductive tube along the central axis of the conductive tube; the shell is divided into two half parts which are connected in a buckling manner along the axis direction, and the conductive tube is divided into two half parts which are embedded in the inner side of the shell and form an open circuit along the axis direction; the tail part of the conductive elastic sheet is provided with a conductive section which is just in contact with the inner wall of the conductive tube when a secondary aviation plug of a breaker is inserted into the conductive elastic sheet and then the conductive elastic sheet is pushed open, and the conductive section is in contact with the inner wall of the conductive tube to form an electric connection passage for the conductive tube divided into two parts; and the shell is close to the insertion end of the secondary aviation plug of the circuit breaker and is provided with a base which is just contacted with the circuit breaker when the secondary aviation plug of the circuit breaker is inserted.
2. The special wiring terminal for the circuit breaker trolley test as claimed in claim 1, wherein: the shell is divided into a first tube body and a second tube body from top to bottom along the central axis of the shell; the tail end of the outer surface of the first pipe body is fixedly provided with an annular wall which is connected with the upper end of the outer surface of the second pipe body in a buckling manner; the top end of the inner surface of the second tube body is vertically provided with an annular partition plate along the radial direction, and the annular partition plate separates two halves of the conductive elastic sheet into the first tube body and the second tube body respectively.
3. The special wiring terminal for the circuit breaker trolley test as claimed in claim 2, wherein: the top end of the outer surface of the first pipe body is provided with an annular boss along the radial direction, and the outer surface of the annular boss is a knurled surface.
4. The special wiring terminal for the circuit breaker trolley test as claimed in claim 2, wherein: the inner diameter of the annular partition plate is 1-5 mm larger than that of the conductive tube, the conductive section can penetrate through the inner side of the annular partition plate when the secondary aviation plug of the circuit breaker is not inserted, and the upper surface and the lower surface of the annular partition plate are provided with shielding layers.
5. The special wiring terminal for the circuit breaker trolley test as claimed in claim 1 or 2, wherein: the conductive tube is divided into an upper semi-conductive tube and a lower semi-conductive tube from top to bottom along a central axis of the conductive tube, the conductive elastic sheet is fixed in the lower semi-conductive tube, a hexagonal prism space which is just uniformly opened simultaneously when a secondary aviation plug of the circuit breaker is inserted is formed in an arc top-shaped area of the conductive elastic sheet, the conductive section is located in the upper semi-conductive tube, and the conductive section just contacts with the upper semi-conductive tube to form electric connection when the secondary aviation plug of the circuit breaker is inserted.
6. The special wiring terminal for the circuit breaker trolley test as claimed in claim 1, wherein: the base is a conical pipe body with a flat section, the central shaft of the base and the central shaft of the conductive pipe are on the same straight line, the diameter of the inner surface of the base is the same as the inner diameter of the conductive pipe, the bottom surface of the base is provided with a rubber layer with the same size and shape as the bottom surface of the base, and the ground of the rubber layer is annularly provided with a conical notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339102.0U CN211123157U (en) | 2019-08-19 | 2019-08-19 | Special wiring terminal for breaker trolley test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339102.0U CN211123157U (en) | 2019-08-19 | 2019-08-19 | Special wiring terminal for breaker trolley test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211123157U true CN211123157U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921339102.0U Active CN211123157U (en) | 2019-08-19 | 2019-08-19 | Special wiring terminal for breaker trolley test |
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| Country | Link |
|---|---|
| CN (1) | CN211123157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462249A (en) * | 2020-11-03 | 2021-03-09 | 广东电网有限责任公司佛山供电局 | Wiring auxiliary device for circuit breaker test |
| CN113075427A (en) * | 2021-03-09 | 2021-07-06 | 湖北清江水电开发有限责任公司 | Auxiliary device special for test wiring of vacuum circuit breaker |
-
2019
- 2019-08-19 CN CN201921339102.0U patent/CN211123157U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462249A (en) * | 2020-11-03 | 2021-03-09 | 广东电网有限责任公司佛山供电局 | Wiring auxiliary device for circuit breaker test |
| CN112462249B (en) * | 2020-11-03 | 2022-08-16 | 广东电网有限责任公司佛山供电局 | Wiring auxiliary device for circuit breaker test |
| CN113075427A (en) * | 2021-03-09 | 2021-07-06 | 湖北清江水电开发有限责任公司 | Auxiliary device special for test wiring of vacuum circuit breaker |
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