CN220872604U - Ring main unit internal transformer inspection tool - Google Patents
Ring main unit internal transformer inspection tool Download PDFInfo
- Publication number
- CN220872604U CN220872604U CN202322338003.3U CN202322338003U CN220872604U CN 220872604 U CN220872604 U CN 220872604U CN 202322338003 U CN202322338003 U CN 202322338003U CN 220872604 U CN220872604 U CN 220872604U
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- connecting rod
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- 238000007689 inspection Methods 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 64
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a transformer inspection tool for a ring main unit, which relates to the technical field of electric tools and comprises an insulation test terminal and a conductive connecting rod, wherein an installation groove is formed in the middle position of the bottom of the insulation test terminal and is used for being matched with a high-voltage interface of a voltage transformer, and the conductive connecting rod is used for being installed in the high-voltage interface of the voltage transformer; the high-voltage conducting rod is arranged at the middle position of the upper end inside the insulation test terminal, the upper end of the conducting connecting rod is provided with a conducting head, and the conducting head is used for contacting and conducting with the bottom of the high-voltage conducting rod; according to the utility model, the insulation test terminal and the high-voltage conducting rod are combined into the test tool, the mounting groove is matched with the high-voltage interface of the voltage transformer, the voltage transformer is directly connected with the conductive connecting rod after the conductive connecting rod is mounted, the test can be performed by connecting the terminal connecting hole with the test equipment, the whole test tool is small in size, convenient to mount and convenient to operate and carry in delivery.
Description
Technical Field
The utility model relates to the technical field of electric tools, in particular to a transformer inspection tool used in a ring main unit.
Background
The voltage transformer is mainly used for supplying power to the measuring instrument and the relay protection device, is used for measuring the voltage, the power and the electric energy of the line or protecting valuable equipment, a motor and a transformer in the line when the line fails, so that the capacity of the voltage transformer is very small, generally only a few volt-amperes, tens of volt-amperes and no more than one kilovolt-ampere at maximum;
in a 10kV ring main unit, a voltage transformer (PT) is needed, a large amount of 15kV 200A plug-in type cone opening is adopted as high-voltage connection, the insulation performance of the transformer needs to be detected before delivery and after the transformer is installed in the ring main unit, and the current method mostly adopts a test cable connection mode, is long in cable and inconvenient to install, operate and carry, so that the utility model provides a tool for detecting the transformer in the ring main unit to solve the problems in the prior art.
Disclosure of utility model
Aiming at the problems, the utility model provides the transformer inspection tool for the ring main unit, which is small in size, convenient to install and convenient to operate and carry in shipping.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides an interior mutual-inductor inspection frock that uses of looped netowrk cabinet, includes insulation test terminal and conductive connecting rod, the intermediate position department of insulation test terminal bottom is equipped with the mounting groove, and the mounting groove is used for with voltage transformer high voltage interface looks adaptation, conductive connecting rod is used for installing in voltage transformer high voltage interface's inside;
The high-voltage conducting rod is arranged at the middle position of the upper end inside the insulation test terminal, a conducting head is arranged at the upper end of the conducting connecting rod and used for conducting electricity in contact with the bottom of the high-voltage conducting rod, the upper end of the high-voltage conducting rod extends out of the insulation test terminal, and a terminal connecting hole is formed in the middle position of the upper end of the high-voltage conducting rod.
The further improvement is that: the high-voltage interface of the voltage transformer is arranged on the voltage transformer, a positioning seat is arranged below the outer side of the high-voltage interface of the voltage transformer, and a positioning groove matched with the positioning seat is formed in the edge of the bottom of the mounting groove.
The further improvement is that: the high-voltage interface of the voltage transformer is characterized in that a fixing groove is formed in the upper portion of the outer side of the high-voltage interface of the voltage transformer, a fixing convex ring is arranged on the upper portion of the inner side of the mounting groove, and the fixing convex ring is suitably matched with the fixing groove in a clamping mode.
The further improvement is that: the upper end of the conductive connecting rod is provided with a limiting rod, the limiting rod surrounds the outer side of the conductive head, a limiting hole is formed in the middle position of the top of the mounting groove, and the limiting hole is matched with the limiting rod.
The further improvement is that: the centers of the high-voltage conducting rod, the conducting connecting rod and the high-voltage interface of the voltage transformer are positioned on the same vertical line.
The further improvement is that: the terminal connecting hole is one of a threaded hole and a jack, and is used for being connected with a terminal of test equipment for testing.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the insulation test terminal and the high-voltage conducting rod are combined into the test tool, the mounting groove is matched with the high-voltage interface of the voltage transformer, the high-voltage conducting rod is directly connected onto the voltage transformer after the conductive connecting rod is mounted, the high-voltage conducting rod is conducted, the test can be performed by connecting the terminal connecting hole with test equipment, the whole test tool is small in size, convenient and fast to mount, and convenient to operate and carry after delivery.
2. According to the utility model, the insulating test terminal is coated outside the high-voltage conducting rod, and is connected with the voltage transformer through the conducting connecting rod, so that the field strength structure is reasonable, the field strength concentration does not exist, and the power frequency withstand voltage and partial discharge test can be performed on the voltage transformer.
Drawings
FIG. 1 is a schematic diagram of the present utility model in a split;
FIG. 2 is a schematic diagram of the installation of the conductive connecting rod of the present utility model;
FIG. 3 is a schematic view of the overall assembly of the present utility model.
Wherein: 1. an insulation test terminal; 2. a conductive connecting rod; 3. a mounting groove; 4. a high-voltage interface of the voltage transformer; 5. a high voltage conductive rod; 6. a conductive head; 7. a terminal connection hole; 8. a positioning seat; 9. a positioning groove; 10. a fixing groove; 11. fixing the convex ring; 12. a limit rod; 13. and a limiting hole.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
According to fig. 1, 2 and 3, the embodiment provides a transformer inspection tool for a ring main unit, which comprises an insulation test terminal 1 and a conductive connecting rod 2, wherein a mounting groove 3 is formed in the middle position of the bottom of the insulation test terminal 1, the mounting groove 3 is used for being matched with a high-voltage interface 4 of a voltage transformer, and the conductive connecting rod 2 is used for being mounted in the high-voltage interface 4 of the voltage transformer;
The high-voltage conducting rod 5 is arranged at the middle position of the upper end inside the insulation test terminal 1, the conducting head 6 is arranged at the upper end of the conducting connecting rod 2, the conducting head 6 is used for conducting electricity in contact with the bottom of the high-voltage conducting rod 5, the upper end of the high-voltage conducting rod 5 extends out of the insulation test terminal 1, and a terminal connecting hole 7 is formed in the middle position of the upper end of the high-voltage conducting rod 5. During the use, make up into test tool through insulating test terminal 1 and high-voltage conducting rod 5, match mounting groove 3 and voltage transformer high voltage interface 4, install conductive connecting rod 2 to the voltage transformer high voltage interface in, directly insert on the voltage transformer and switch on high-voltage conducting rod 5 through electrically conductive head 6, connect test equipment through terminal connecting hole 7 and can inspect, whole test tool is small in size, the installation is convenient, the operation of being convenient for and delivery carry.
The high-voltage port 4 of the voltage transformer is arranged on the voltage transformer, a positioning seat 8 is arranged below the outer side of the high-voltage port 4 of the voltage transformer, and a positioning groove 9 matched with the positioning seat 8 is arranged at the edge of the bottom of the mounting groove 3. During the use, make up into test tool through insulating test terminal 1 and high-voltage conducting rod 5, match mounting groove 3 and voltage transformer high voltage interface 4, with constant head tank 9 and positioning seat 8 looks adaptation to this completion location installation.
The upper part of the outer side of the high-voltage interface 4 of the voltage transformer is provided with a fixing groove 10, the upper part of the inner side of the mounting groove 3 is provided with a fixing convex ring 11, and the fixing convex ring 11 is suitably matched with the fixing groove 10 in a clamping way. When the device is used, the insulation test terminal 1 and the high-voltage conducting rod 5 are combined into a test tool, the mounting groove 3 is matched with the high-voltage interface 4 of the voltage transformer, and the fixing convex ring 11 is clamped into the fixing groove 10, so that the device is fixedly connected.
The upper end of the conductive connecting rod 2 is provided with a limiting rod 12, the limiting rod 12 surrounds the outer side of the conductive head 6, a limiting hole 13 is formed in the middle position of the top of the mounting groove 3, and the limiting hole 13 is matched with the limiting rod 12. During the use, make up into testing tool through insulating test terminal 1 and high-voltage conducting rod 5, match mounting groove 3 and voltage transformer high voltage interface 4, install conductive connecting rod 2 to the voltage transformer high voltage interface in, directly insert on the voltage transformer and switch on high-voltage conducting rod 5 through electrically conductive head 6, in this process, through spacing hole 13 and gag lever post 12 looks adaptation, fix a position electrically conductive head 6's position.
Example two
According to fig. 1, 2 and 3, the embodiment provides a transformer inspection tool for a ring main unit, which comprises an insulation test terminal 1 and a conductive connecting rod 2, wherein a mounting groove 3 is formed in the middle position of the bottom of the insulation test terminal 1, the mounting groove 3 is used for being matched with a high-voltage interface 4 of a voltage transformer, and the conductive connecting rod 2 is used for being mounted in the high-voltage interface 4 of the voltage transformer;
The high-voltage conducting rod 5 is arranged at the middle position of the upper end inside the insulation test terminal 1, the conducting head 6 is arranged at the upper end of the conducting connecting rod 2, the conducting head 6 is used for conducting electricity in contact with the bottom of the high-voltage conducting rod 5, the upper end of the high-voltage conducting rod 5 extends out of the insulation test terminal 1, and a terminal connecting hole 7 is formed in the middle position of the upper end of the high-voltage conducting rod 5. During the use, make up into test tool through insulating test terminal 1 and high-voltage conducting rod 5, match mounting groove 3 and voltage transformer high voltage interface 4, install conductive connecting rod 2 to the voltage transformer high voltage interface in, directly insert on the voltage transformer and switch on high-voltage conducting rod 5 through electrically conductive head 6, connect test equipment through terminal connecting hole 7 and can inspect, whole test tool is small in size, the installation is convenient, the operation of being convenient for and delivery carry.
The upper end of the conductive connecting rod 2 is provided with a limiting rod 12, the limiting rod 12 surrounds the outer side of the conductive head 6, a limiting hole 13 is formed in the middle position of the top of the mounting groove 3, and the limiting hole 13 is matched with the limiting rod 12. During the use, make up into testing tool through insulating test terminal 1 and high-voltage conducting rod 5, match mounting groove 3 and voltage transformer high voltage interface 4, install conductive connecting rod 2 to the voltage transformer high voltage interface in, directly insert on the voltage transformer and switch on high-voltage conducting rod 5 through electrically conductive head 6, in this process, through spacing hole 13 and gag lever post 12 looks adaptation, fix a position electrically conductive head 6's position.
The centers of the high-voltage conducting rod 5, the conducting connecting rod 2 and the high-voltage interface 4 of the voltage transformer are positioned on the same vertical line. The terminal connection hole 7 is a threaded hole, and the terminal connection hole 7 is used for connecting a terminal of the test equipment for inspection. The high-voltage conducting rod 5 is coated by the insulation test terminal 1, the voltage transformer is connected through the conducting connecting rod 2, the field intensity is reasonable in structure, the field intensity concentration does not exist, and the power frequency withstand voltage and partial discharge test can be performed on the voltage transformer.
The transformer inspection tool is combined into a testing tool through the insulation testing terminal 1 and the high-voltage conducting rod 5 in the ring main unit, the mounting groove 3 of the testing tool is matched with the high-voltage interface 4 of the voltage transformer, after the conductive connecting rod 2 is mounted, the testing tool is directly connected onto the voltage transformer and conducted with the high-voltage conducting rod 5, and the testing tool can be inspected through the connection of the terminal connecting hole 7, so that the whole testing tool is small in size, convenient to mount and convenient to operate and carry. And this product passes through insulating test terminal 1 cladding outside high-voltage conducting rod 5, connects voltage transformer through electrically conductive connecting rod 2, and field strength is rational in infrastructure, does not have field strength concentrated, can carry out power frequency withstand voltage and partial discharge test to voltage transformer.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an interior mutual-inductor inspection frock of using of looped netowrk cabinet, includes insulation test terminal (1) and electrically conductive connecting rod (2), its characterized in that: the middle position of the bottom of the insulation test terminal (1) is provided with a mounting groove (3), the mounting groove (3) is used for being matched with the high-voltage interface (4) of the voltage transformer, and the conductive connecting rod (2) is used for being mounted in the high-voltage interface (4) of the voltage transformer;
The high-voltage conductive rod (5) is arranged at the middle position of the upper end inside the insulation test terminal (1), a conductive head (6) is arranged at the upper end of the conductive connecting rod (2), the conductive head (6) is used for being in contact conduction with the bottom of the high-voltage conductive rod (5), the upper end of the high-voltage conductive rod (5) extends out of the insulation test terminal (1), and a terminal connecting hole (7) is formed in the middle position of the upper end of the high-voltage conductive rod (5).
2. The tool for checking the transformer in the ring main unit according to claim 1, wherein: the high-voltage interface (4) of the voltage transformer is arranged on the voltage transformer, a positioning seat (8) is arranged below the outer side of the high-voltage interface (4) of the voltage transformer, and a positioning groove (9) matched with the positioning seat (8) is formed in the edge of the bottom of the mounting groove (3).
3. The tool for checking the transformer in the ring main unit according to claim 2, wherein: the high-voltage interface of the voltage transformer is characterized in that a fixing groove (10) is formed in the upper portion of the outer side of the high-voltage interface (4), a fixing convex ring (11) is arranged on the upper portion of the inner side of the mounting groove (3), and the fixing convex ring (11) is suitably matched with the fixing groove (10) in a clamping mode.
4. A tool for checking a transformer in a ring main unit according to claim 3, wherein: the upper end of the conductive connecting rod (2) is provided with a limiting rod (12), the limiting rod (12) surrounds the outer side of the conductive head (6), a limiting hole (13) is formed in the middle position of the top of the mounting groove (3), and the limiting hole (13) is matched with the limiting rod (12).
5. The tool for checking the transformer in the ring main unit according to claim 1, wherein: the centers of the high-voltage conducting rod (5), the conducting connecting rod (2) and the high-voltage interface (4) of the voltage transformer are positioned on the same vertical line.
6. The tool for checking the transformer in the ring main unit according to claim 1, wherein: the terminal connecting hole (7) is one of a threaded hole and a jack, and the terminal connecting hole (7) is used for being connected with a terminal of test equipment for testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322338003.3U CN220872604U (en) | 2023-08-29 | 2023-08-29 | Ring main unit internal transformer inspection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322338003.3U CN220872604U (en) | 2023-08-29 | 2023-08-29 | Ring main unit internal transformer inspection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220872604U true CN220872604U (en) | 2024-04-30 |
Family
ID=90815346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322338003.3U Active CN220872604U (en) | 2023-08-29 | 2023-08-29 | Ring main unit internal transformer inspection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220872604U (en) |
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2023
- 2023-08-29 CN CN202322338003.3U patent/CN220872604U/en active Active
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