CN214585943U - Extra-high voltage current transformer calibrating device - Google Patents
Extra-high voltage current transformer calibrating device Download PDFInfo
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- CN214585943U CN214585943U CN202120424265.XU CN202120424265U CN214585943U CN 214585943 U CN214585943 U CN 214585943U CN 202120424265 U CN202120424265 U CN 202120424265U CN 214585943 U CN214585943 U CN 214585943U
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Abstract
The utility model relates to the technical field of high-voltage current transformers, and discloses an extra-high voltage current transformer calibrating device, which solves the problem that the extra-high voltage current transformer calibrating device in the current market is inconvenient to carry or take, when the high-voltage current transformer calibrating device is heavy, a calibrating personnel needs to hold the calibrating device with both hands, the calibration work of the extra-high voltage current may be inconvenient, and the display screen and the operation buttons of the conventional transformer calibration device are usually exposed, when the transformer calibrating device is used, the reading of data can be influenced when the display screen is seriously worn, the calibrating operation can be influenced when the button is seriously worn, the calibrating result of the extra-high voltage current transformer calibrating device can be influenced, it includes the mutual-inductor body, the utility model has the advantages of the calibrating installation of conveniently taking can carry out the protection to calibrating installation's display screen and operating button.
Description
Technical Field
The utility model belongs to the technical field of high-voltage current transformer, specifically be an extra-high voltage current transformer calibrating installation.
Background
The mutual inductor calibrating device is a novel automatic detecting instrument, which applies advanced electronic technology to directly adopt electrode to decompose the error signal of the mutual inductor and display the percentage point, in-phase error and quadrature error of the mutual inductor by digital quantity after proper operation, the instrument is simple and convenient to operate, the reading is visual, the measurement is rapid, the electric energy consumption can be reduced, the labor intensity is reduced, and the mutual inductor calibrating device is a special testing current mutual inductor: the multifunctional field test instrument has the advantages that the volt-ampere characteristic, a plurality of groups of transformation ratios, the polarity, an error curve, the design of inflection point calculation, secondary side loop check and the like are realized, only a test voltage/current value needs to be set during an experiment, the equipment can automatically boost/boost the current, the volt-ampere characteristic curve or the transformation ratio of a mutual inductor, the experiment results such as the polarity and the like are rapidly displayed, data storage and field printing are supported, the tedious labor such as manual voltage regulation, manual recording and curve tracing is omitted, the test data can be transferred to a computer through a USB interface to be edited and stored or printed, the operation is simple and convenient, the working efficiency is improved, and the multifunctional field test instrument is a high-tech product with higher cost performance.
However, the extra-high voltage current transformer calibrating device in the current market is inconvenient to carry or take, needs to be stored by a tool and brought to a place needing to be calibrated when in use, and when the high voltage current transformer calibrating device is heavy, a calibrating worker needs to hold the calibrating device by two hands, which may bring inconvenience to the calibration work of extra-high voltage current, thereby reducing the practicability of the transformer calibrating device; in the use process of the transformer calibrating device, the display screen and the operating buttons can be abraded and consumed in different degrees, data can be read when the display screen is abraded seriously, the calibrating operation can be influenced when the buttons are abraded seriously, the calibrating result of the extra-high voltage current transformer calibrating device can be influenced, and therefore the extra-high voltage current transformer calibrating device is provided.
Disclosure of Invention
To the above situation, for overcoming prior art's defect, the utility model provides an extra-high voltage current transformer calibrating installation, the effectual extra-high voltage current transformer calibrating installation who has solved on the existing market is inconvenient carries or takes, when high-voltage current transformer calibrating installation weight is great, need the calibrating installation to be held by both hands for the calibrating personnel, it is inconvenient to probably bring for extra-high voltage current's examination work, and traditional transformer calibrating installation's display screen and operating button expose outside usually, in transformer calibrating installation's use, can cause the influence to reading of data when the display screen wearing and tearing are serious, can cause the influence to the examination operation when button wearing and tearing are serious, can influence the problem of extra-high voltage current transformer calibrating installation's examination result.
In order to achieve the above object, the utility model provides a following technical scheme: an extra-high voltage current transformer calibrating device comprises a transformer body, wherein the top of the transformer body is fixedly connected with a connecting rod, the outer part of the connecting rod is movably sleeved with a connecting sleeve, the top of the connecting sleeve is fixedly connected with a protective cover, the top of the protective cover is fixedly connected with a connecting block, the front of the connecting block is fixedly connected with a fixed rod, the bottom of the transformer body is fixedly connected with a fixed block, the bottom of the fixed block is movably sleeved with a pressing rod, the top end of the pressing rod is movably provided with a movable spring, and the front of the pressing rod is fixedly connected with a locking block;
the inner chamber fixedly connected with circuit element of mutual-inductor body, the movable rod has been cup jointed in one side activity of mutual-inductor body, the one end fixedly connected with transfer line of movable rod, the screw hole has been seted up in the front of movable rod, the top fixedly connected with lug of movable rod, one side fixedly connected with installation piece of mutual-inductor body inner chamber, the inner chamber movable mounting of installation piece has transmission spring, fixing bolt has been cup jointed to the top screw thread of movable rod.
Preferably, the number of the connecting rods and the connecting sleeves is two, and the two connecting rods and the two connecting sleeves are symmetrically distributed on the top of the transformer body.
Preferably, the inside of locking piece and the top of dead lever have seted up through-hole and gag lever post respectively, the through-hole is with gag lever post looks adaptation.
Preferably, the outer part of the fixing bolt and the inner part of the threaded hole are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt is matched with the internal thread of the threaded hole.
Preferably, the top of the bump is parallel to the bottom end of the transmission spring, and the bump is trapezoidal in shape.
Preferably, one side of the mutual inductor body is provided with a groove, and the groove is matched with the transmission rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1) during work, through the protective cover, the connecting block, the fixing rod, the fixing block, the pressing rod and the locking block, when the calibration work of the extra-high voltage current transformer calibration device is completed, the movable cover covers the display screen and the operation button through the connecting rod and the connecting sleeve by hand, and then the pressing rod is pressed, so that the through hole in the locking block can be smoothly sleeved outside the limiting rod on one side of the fixing rod, the protective cover is fixed, the display screen and the operation button are protected when the transformer calibration device is not used, the situation that the reading of data is influenced when the display screen is seriously abraded and the calibration operation is influenced when the button is seriously abraded is avoided, and the accuracy of the calibration result of the extra-high voltage current transformer calibration device is improved;
2) the utility model discloses a mutual-inductor calibrating device, including the movable rod, the transfer line, transmission spring, the lug, the screw hole, installation piece and fixing bolt, when needs are mentioned or are removed mutual-inductor calibrating device, hold the transfer line and outwards stretch with the hand, the movable rod can outwards remove between the lug, select suitable length according to individual condition, screw up the screw hole with fixing bolt again, thereby make the rigidity of movable rod, and the operation is thus simple, the staff of being convenient for examine and determine mentions or remove mutual-inductor calibrating device, the mutual-inductor calibrating device need deposit with the instrument and take the problem that needs the place of examining and determine when using, mutual-inductor calibrating device's practicality has been increased.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a side view of the structure of the present invention;
FIG. 4 is a schematic view of a fixing block in the structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure A of the present invention;
FIG. 6 is an enlarged schematic view of the structure of the present invention, wherein B is a central line;
in the figure: 1. a transformer body; 2. a connecting rod; 3. connecting sleeves; 4. a protective cover; 5. connecting blocks; 6. fixing the rod; 7. a fixed block; 8. a movable spring; 9. a pressing lever; 10. a locking block; 11. a circuit element; 12. a movable rod; 13. a transmission rod; 14. a transmission spring; 15. a bump; 16. a threaded hole; 17. mounting blocks; 18. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present embodiment, as shown in fig. 1-6, the present invention includes a transformer body 1, a connecting rod 2 is fixedly connected to the top of the transformer body 1, a connecting sleeve 3 is movably sleeved on the outside of the connecting rod 2, a protective cover 4 is fixedly connected to the top of the connecting sleeve 3, a connecting block 5 is fixedly connected to the top of the protective cover 4, a fixing rod 6 is fixedly connected to the front of the connecting block 5, a fixing block 7 is fixedly connected to the bottom of the transformer body 1, a pressing rod 9 is movably sleeved on the bottom of the fixing block 7, a movable spring 8 is movably installed at the top of the pressing rod 9, and a locking block 10 is fixedly connected to the front of the pressing rod 9;
the inner chamber fixedly connected with circuit element 11 of mutual-inductor body 1, movable rod 12 has been cup jointed in one side activity of mutual-inductor body 1, the one end fixedly connected with transfer line 13 of movable rod 12, threaded hole 16 has been seted up in the front of movable rod 12, the top fixedly connected with lug 15 of movable rod 12, one side fixedly connected with installation piece 17 of mutual-inductor body 1 inner chamber, the inner chamber movable mounting of installation piece 17 has drive spring 14, fixing bolt 18 has been cup jointed to the top screw thread of movable rod 12.
The number of the connecting rods 2 and the number of the connecting sleeves 3 are two, and the two connecting rods 2 and the two connecting sleeves 3 are symmetrically distributed on the top of the mutual inductor body 1; the protective cover 4 can rotate in the connecting sleeve 3 through the connecting rod 2, when the transformer calibrating device is used, the protective cover 4 is opened, data on operating equipment and an observation display screen of a calibrating person are convenient, when the transformer calibrating device is not used, the protective cover 4 can cover the display screen and the operating buttons on the surface of the transformer body 1, the display screen and the operating buttons are protected, and the accuracy of the calibrating result of the extra-high voltage current transformer calibrating device is improved.
Wherein, the inside of the locking block 10 and the top of the fixed rod 6 are respectively provided with a through hole and a limiting rod, and the through holes are matched with the limiting rods; when the examination work of extra-high voltage current transformer calibrating installation is accomplished, cover display screen and operating button with visor 4 through connecting rod 2 and adapter sleeve 3 hand, press down depression bar 9 again, make the shrink of activity spring 8, thereby make locking piece 10 remove in the inside of fixed block 7, make the inside through-hole of locking piece 10 can overlap smoothly in the outside of dead lever 6 one side gag lever post, thereby fix visor 4, display screen and operating button have been protected when mutual-inductor calibrating installation does not use, can cause the influence to reading of data when having avoided the display screen wearing and tearing serious, can cause the condition of influence to examination operation when button wearing and tearing are serious, thereby increase the accuracy of extra-high voltage current transformer calibrating installation's examination result.
Wherein, the outside of the fixing bolt 18 and the inside of the threaded hole 16 are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt 18 is matched with the internal thread of the threaded hole 16; the transformer calibrating device is convenient for a calibrating person to lift or move the transformer calibrating device by selecting a proper length according to personal conditions and screwing the fixing bolt 18 into the threaded hole 16 so as to fix the position of the movable rod 12.
Wherein, the top of the lug 15 is arranged in parallel with the bottom end of the transmission spring 14, and the lug 15 is trapezoidal; when the mutual inductor calibrating device needs to be lifted or moved, the transmission rod 13 is held by a hand and stretched outwards, when the convex blocks 15 are contacted, the transmission spring 14 is contracted, so that the movable rod 12 moves outwards between the convex blocks 15, an appropriate length is selected according to personal conditions, and then the fixing bolt 18 is screwed into the threaded hole 16, so that the position of the movable rod 12 is fixed, the operation is simple, the mutual inductor calibrating device is convenient to lift or move by calibrating personnel, the problem that the mutual inductor calibrating device needs to be stored by a tool and brought to a place needing to be calibrated when in use is avoided, and the practicability of the mutual inductor calibrating device is improved.
Wherein, one side of the mutual inductor body 1 is provided with a groove which is matched with the transmission rod 13; when the mutual inductor calibrating device is not used, the transmission rod 13 is pushed by a hand to drive the movable rod 12 to move towards the inner cavity of the mutual inductor body 1 until the movable rod 12 completely enters the inside of the mutual inductor body 1, and the transmission rod 13 can enter one side of the mutual inductor body 1 and is arranged in a groove, so that the size of the mutual inductor calibrating device is reduced, and convenience is brought to storage of the mutual inductor calibrating device.
The working principle is as follows: when the calibrating device is used, the protective cover 4 can be opened to facilitate operating equipment of a calibrating person and observing data on the display screen, when the calibrating device is not used, the protective cover 4 can be covered on the display screen and the operating buttons on the surface of the transformer body 1 to protect the display screen and the operating buttons, the accuracy of the calibrating result of the extra-high voltage current transformer device is improved, the pressing rod 9 is pressed again to enable the movable spring 8 to contract, and therefore the locking block 10 can move in the fixed block 7, the through hole in the lock block 10 can be smoothly sleeved outside the limiting rod on one side of the fixed rod 6 at the bottom of the connecting block 5, so that the protective cover 4 is fixed, a display screen and an operation button are protected when the mutual inductor calibrating device is not used, the situation that the reading of data is influenced when the display screen is seriously abraded and the calibrating operation is influenced when the button is seriously abraded is avoided, and the accuracy of the calibrating result of the extra-high voltage current mutual inductor calibrating device is improved;
when the mutual inductor calibrating device needs to be lifted or moved, the transmission rod 13 is held by a hand and stretched outwards, when the bumps 15 are contacted, the transmission spring 14 in the mounting block 17 is contracted, so that the movable rod 12 moves outwards between the bumps 15, an appropriate length is selected according to personal conditions, then the fixing bolt 18 is screwed into the threaded hole 16, so that the position of the movable rod 12 is fixed, the operation is simple, the mutual inductor calibrating device is convenient for a calibrating worker to lift or move, the problem that the mutual inductor calibrating device needs to be stored by a tool and brought to a place needing calibrating when in use is solved, the practicability of the mutual inductor calibrating device is increased, when the mutual inductor calibrating device is not used, the transmission rod 13 is pushed by a hand to drive the movable rod 12 to move towards the inner cavity of the mutual inductor body 1 until the movable rod 12 completely enters the inside of the mutual inductor body 1, and the transmission rod 13 can enter one side of the mutual inductor body 1 and is provided with a groove, the volume of the transformer calibrating device is reduced, and convenience is brought to storage of the transformer calibrating device.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an extra-high voltage current transformer calibrating installation, includes transformer body (1), its characterized in that: the top of the mutual inductor body (1) is fixedly connected with a connecting rod (2), the outer part of the connecting rod (2) is movably sleeved with a connecting sleeve (3), the top of the connecting sleeve (3) is fixedly connected with a protective cover (4), the top of the protective cover (4) is fixedly connected with a connecting block (5), the front of the connecting block (5) is fixedly connected with a fixed rod (6), the bottom of the mutual inductor body (1) is fixedly connected with a fixed block (7), the bottom of the fixed block (7) is movably sleeved with a pressing rod (9), the top end of the pressing rod (9) is movably provided with a movable spring (8), and the front of the pressing rod (9) is fixedly connected with a locking block (10);
the inner chamber fixedly connected with circuit element (11) of mutual-inductor body (1), movable rod (12) have been cup jointed in one side activity of mutual-inductor body (1), the one end fixedly connected with transfer line (13) of movable rod (12), threaded hole (16) have been seted up in the front of movable rod (12), top fixedly connected with lug (15) of movable rod (12), one side fixedly connected with installation piece (17) of mutual-inductor body (1) inner chamber, the inner chamber movable mounting of installation piece (17) has drive spring (14), fixing bolt (18) have been cup jointed to the top screw thread of movable rod (12).
2. The calibrating device for the extra-high voltage current transformer according to claim 1, wherein: the number of the connecting rods (2) and the connecting sleeves (3) is two, and the two connecting rods (2) and the two connecting sleeves (3) are symmetrically distributed at the top of the mutual inductor body (1).
3. The calibrating device for the extra-high voltage current transformer according to claim 1, wherein: through holes and limiting rods are respectively formed in the locking block (10) and the top of the fixing rod (6), and the through holes are matched with the limiting rods.
4. The calibrating device for the extra-high voltage current transformer according to claim 1, wherein: the outer portion of the fixing bolt (18) and the inner portion of the threaded hole (16) are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt (18) is matched with the internal thread of the threaded hole (16).
5. The calibrating device for the extra-high voltage current transformer according to claim 1, wherein: the top of the lug (15) is parallel to the bottom end of the transmission spring (14), and the lug (15) is trapezoidal in shape.
6. The calibrating device for the extra-high voltage current transformer according to claim 1, wherein: a groove is formed in one side of the mutual inductor body (1), and the groove is matched with the transmission rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120424265.XU CN214585943U (en) | 2021-02-26 | 2021-02-26 | Extra-high voltage current transformer calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120424265.XU CN214585943U (en) | 2021-02-26 | 2021-02-26 | Extra-high voltage current transformer calibrating device |
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| CN214585943U true CN214585943U (en) | 2021-11-02 |
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| CN202120424265.XU Active CN214585943U (en) | 2021-02-26 | 2021-02-26 | Extra-high voltage current transformer calibrating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118348470A (en) * | 2024-04-28 | 2024-07-16 | 国网天津市电力公司营销服务中心 | Automatic calibrating device of high-voltage current transformer |
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2021
- 2021-02-26 CN CN202120424265.XU patent/CN214585943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118348470A (en) * | 2024-04-28 | 2024-07-16 | 国网天津市电力公司营销服务中心 | Automatic calibrating device of high-voltage current transformer |
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