CN210664325U - Winding deformation positioning judgment device based on short-circuit reactance - Google Patents
Winding deformation positioning judgment device based on short-circuit reactance Download PDFInfo
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- CN210664325U CN210664325U CN201921749671.2U CN201921749671U CN210664325U CN 210664325 U CN210664325 U CN 210664325U CN 201921749671 U CN201921749671 U CN 201921749671U CN 210664325 U CN210664325 U CN 210664325U
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- 238000004804 winding Methods 0.000 title claims abstract description 61
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 11
- 230000008520 organization Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a winding warp location and judges device based on short circuit reactance relates to transformer winding warp detection technical field, including braced frame, braced frame's inside is fixed with places the platform, and places the inside of platform and has placed the tester, braced frame's the outside is equipped with height adjusting mechanism, and height adjusting mechanism's inside including the guide rail, the guide rail welds respectively in braced frame's both sides, and the outside swing joint of guide rail has the bracing piece, the inside sliding connection of guide rail has the slider, and is sliding connection between slider and the bracing piece, the inside of slider runs through there is first locating pin, one side of bracing piece is equipped with winding displacement accredited testing organization. The utility model discloses in, the bracing piece can utilize the slider to slide on the guide rail, controls its height, can adjust according to the specification of transformer when detecting that the winding warp to make the bracing piece, compare test wire and winding or iron core contact on board and the tester.
Description
Technical Field
The utility model relates to a transformer winding warp and detects technical field, especially relates to a winding warp location and judges device based on short circuit reactance.
Background
The transformer is one of the most important devices in a power system, the transformer is subjected to accidental collision and impact in the transportation process, the winding and a mechanical structure of the transformer are subjected to impact of mechanical stress when the transformer is subjected to impact current in a fault state in the operation process, the winding is deformed to a certain degree, and accidents are caused in the operation process, and a low-voltage short-circuit impedance method is an effective method for detecting the deformation of the transformer winding.
The existing winding deformation detection device based on the short-circuit reactance can detect whether a transformer winding is deformed or not by using a low-voltage short-circuit impedance method, but cannot determine the position of the deformation of the winding, and when the whole winding on an iron core is displaced, the data change generated by the low-voltage short-circuit impedance method is not large, so that the judgment on whether the winding is deformed or not can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current winding deformation detection device based on short circuit reactance and utilizing the low-voltage short circuit impedance method to detect out transformer winding and whether warp, nevertheless can not confirm the position that the winding warp, and when the winding is whole when taking place the displacement on the iron core, the data change that the low-voltage short circuit impedance method produced is little, can influence whether the judgement that warp to the winding causes the shortcoming of influence, and the winding based on short circuit reactance that provides warp location judgement device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a winding warp location and judges device based on short circuit reactance, includes braced frame, braced frame's inside is fixed with places the platform, and places the inside of platform and placed the tester, braced frame's the outside is equipped with height adjusting mechanism, and height adjusting mechanism's inside is including the guide rail, the guide rail welds respectively in braced frame's both sides, and the outside swing joint of guide rail has the bracing piece, the inside sliding connection of guide rail has the slider, and is sliding connection between slider and the bracing piece, the inside of slider is run through there is first locating pin, one side of bracing piece is equipped with winding displacement accredited testing organization, and is equipped with deformation position survey mechanism between the bracing piece.
As a further description of the above technical solution:
the supporting rods are axisymmetrical relative to the center line of the supporting frame, and the supporting rods and the guide rail form a sliding structure through the sliding blocks.
As a further description of the above technical solution:
the winding displacement test mechanism's inside is including the spring, and is welded fastening between spring and the bracing piece, the spring is close to the one end of braced frame central line and is fixed with the comparison board, threaded rod is run through to the inside of bracing piece.
As a further description of the above technical solution:
the comparison plate is connected with the support rod through a spring, the comparison plate is movably connected with the threaded rod, and the threaded rod is in threaded connection with the support rod.
As a further description of the above technical solution:
the inside of deformation position survey mechanism is including the slide bar, and the slide bar welding is between two relative bracing pieces, the sliding ring has been cup jointed to the outside of slide bar, and the inside of sliding ring runs through there is the second locating pin, the welding of top one side of sliding ring has the die-pin, and the die-pin is inlayed and is had the lantern ring near one side of braced frame central line.
As a further description of the above technical solution:
the lantern ring is fixedly connected with the supporting rod, the supporting rod is axisymmetric relative to the center line of the supporting frame, and the supporting rod and the sliding rod form a sliding structure through the sliding ring.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the bracing piece can utilize the slider to slide on the guide rail, controls its height, can adjust according to the specification of transformer when detecting that the winding warp to make the bracing piece, compare test wire and winding or iron core contact on board and the tester.
2. The utility model discloses in, side by side with comparing the board through the bracing piece, the bracing piece can contact with the iron core both ends respectively, compares to board and winding both ends contact, compares the bracing piece of both sides again and compares the distance between the board just can detect the winding whether take place whole displacement on the iron core to under comparing of scale, can detect out the holistic displacement distance of winding.
3. The utility model discloses in, two lantern rings can be used for entangling the detection line or the contact on the tester, and the detection line or the contact that drive both sides respectively with the entrance point and the exit end contact of winding, because the die-pin can slide on the slide bar through the sliding ring, when examining test, can constantly change the contact position and detect like this, make two detection lines or contacts be close to gradually, alright calculate the position that the winding warp like this, effectual solution winding warp detection device and utilize the low-voltage short circuit impedance method to detect out transformer winding and whether warp, but can not confirm the problem of the position that the winding warp.
Drawings
FIG. 1 is a schematic front view of a supporting frame of the present invention;
FIG. 2 is a schematic top view of the supporting frame of the present invention;
fig. 3 is a schematic view of the structure of the middle sleeve of the present invention.
Illustration of the drawings:
1. a support frame; 2. a placing table; 3. a tester; 4. a height adjustment mechanism; 401. a guide rail; 402. a support bar; 403. a slider; 404. a first positioning pin; 5. a winding displacement testing mechanism; 501. a spring; 502. aligning the plates; 503. a threaded rod; 6. a deformation position measuring mechanism; 601. a slide bar; 602. a slip ring; 603. a second positioning pin; 604. a support rod; 605. a collar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a winding deformation positioning determination device based on short-circuit reactance includes a support frame 1, a placement platform 2, a tester 3, a height adjustment mechanism 4, a guide rail 401, a support rod 402, a slider 403, a first positioning pin 404, a winding displacement testing mechanism 5, a spring 501, a comparison plate 502, a threaded rod 503, a deformation position determination mechanism 6, a sliding rod 601, a sliding ring 602, a second positioning pin 603, a support rod 604 and a collar 605, the placement platform 2 is fixed inside the support frame 1, the tester 3 is placed inside the placement platform 2, the height adjustment mechanism 4 is arranged outside the support frame 1, the guide rail 401 is respectively welded on two sides of the support frame 1, the support rod 402 is movably connected outside the guide rail 401, the slider 403 is slidably connected inside the guide rail 401, and the slider 403 and the support rod 402 are slidably connected, a first positioning pin 404 penetrates through the inside of the sliding block 403, the supporting rod 402 is axisymmetric with respect to the central axis of the supporting frame 1, the supporting rod 402 and the guide rail 401 form a sliding structure through the sliding block 403, the supporting rod 402 can slide on the guide rail 401 by using the sliding block 403 to control the height thereof, and can be adjusted according to the specification of a transformer when detecting the deformation of a winding, so that the supporting rod 402, the comparison plate 502 and a test wire on the tester 3 are contacted with a winding or an iron core, one side of the supporting rod 402 is provided with a winding displacement testing mechanism 5, the winding displacement testing mechanism 5 internally comprises a spring 501, the spring 501 and the supporting rod 402 are fixed by welding, the comparison plate 502 is fixed at one end of the spring 501 close to the central axis of the supporting frame 1, a threaded rod 503 penetrates through the inside of the supporting rod 402, the comparison plate 502 is connected with the supporting rod 402 through the spring 501, and the comparison, the threaded rod 503 is connected with the supporting rod 402 by a thread, the supporting rod 402 is parallel to the comparison plate 502, the supporting rod 402 can be respectively contacted with two ends of the iron core, the comparison plate 502 is contacted with two ends of the winding, then the distance between the supporting rod 402 and the comparison plate 502 at two sides is compared to detect whether the winding is integrally displaced on the iron core, and under the comparison of a graduated scale, the displacement distance of the whole winding can be detected, a deformation position measuring mechanism 6 is arranged between the supporting rods 402, the inside of the deformation position measuring mechanism 6 comprises a sliding rod 601, the sliding rod 601 is welded between the two opposite supporting rods 402, the outside of the sliding rod 601 is sleeved with a sliding ring 602, a second positioning pin 603 penetrates through the inside of the sliding ring 602, a supporting rod 604 is welded on one side of the top of the sliding ring 602, a sleeve ring 605 is embedded on one side of the supporting rod 604 close to the central line of the supporting frame 1, and the sleeve, the supporting rod 604 is axisymmetrical with respect to the central axis of the supporting frame 1, and the supporting rod 604 forms a sliding structure with the sliding rod 601 through the sliding ring 602, two lantern rings 605 can be used for sheathing detection lines or contacts on the tester 3 and driving the detection lines or contacts on two sides to contact with the inlet end and the outlet end of the winding respectively, because the supporting rod 604 can slide on the sliding rod 601 through the sliding ring 602, in the detection process, the contact position can be continuously changed for detection, so that the two detection lines or contacts gradually approach, the position of the winding deformation can be calculated, and the problem that the winding deformation detection device in the past can detect whether the transformer winding is deformed by using a low-voltage short-circuit impedance method, but the position of the winding deformation cannot be determined is solved effectively.
The working principle is as follows: when the testing device is used, the supporting frame 1 is placed in front of the transformer and is close to the transformer, the tester 3 is placed on the placing table 2, the tester 3 adopts a DS-2000D transformer low-voltage short-circuit reactance tester, a testing line is connected to the tester 3, the other end of the testing line is inserted into the lantern ring 605, one end of the testing line is fixed by the lantern ring 605, the supporting rod 402 is pulled manually, the supporting rod 402 slides upwards along the guide rail 401 through the sliding block 403, the supporting rods 402 on two sides are respectively contacted with two ends of an iron core, then the threaded rod 503 on two sides is respectively rotated to enable the threaded rods 503 on two sides to approach towards each other, the threaded rod 503 contrast 502 forms low voltage until the contrast plates 502 on two sides are contacted with two sides of a winding, then the distance between the contrast plates 502 on two sides and the supporting rod 402 is measured by the graduated scale, then the data is compared with the data when the testing device is used, the coil is proved to be displaced on the whole iron core, if the data are consistent, next detection is started, the detection line on one side is contacted with the inlet end of the coil, the detection line on the other side is contacted with the outlet end of the coil, data display on a display screen in the tester 3 is observed, if the data change is small, the support rods 604 on two sides are pushed manually, the support rods 604 slide along the sliding rods 601 through the sliding rings 602, the detection lines on two sides are gradually close to each other, detection is carried out on different positions of the coil, the range is narrowed, and therefore the position of the coil deformation is judged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A winding deformation positioning judgment device based on short-circuit reactance comprises a supporting frame (1), a placing table (2), a tester (3), a height adjusting mechanism (4), a guide rail (401), a supporting rod (402), a sliding block (403), a first positioning pin (404), a winding displacement testing mechanism (5), a spring (501), a comparison plate (502), a threaded rod (503), a deformation position measuring mechanism (6), a sliding rod (601), a sliding ring (602), a second positioning pin (603), a supporting rod (604) and a lantern ring (605), and is characterized in that the placing table (2) is fixed inside the supporting frame (1), the tester (3) is placed inside the placing table (2), the height adjusting mechanism (4) is arranged outside the supporting frame (1), the guide rail (401) is included inside the height adjusting mechanism (4), and the guide rails (401) are respectively welded on two sides of the supporting frame (1), and the outside swing joint of guide rail (401) has bracing piece (402), the inside sliding connection of guide rail (401) has slider (403), and is sliding connection between slider (403) and bracing piece (402), first locating pin (404) has run through in the inside of slider (403), one side of bracing piece (402) is equipped with winding displacement test mechanism (5), and is equipped with deformation position measurement mechanism (6) between bracing piece (402).
2. The winding deformation positioning judgment device based on the short-circuit reactance is characterized in that the support rod (402) is axisymmetrical with respect to the center line of the support frame (1), and the support rod (402) and the guide rail (401) form a sliding structure through the sliding block (403).
3. The winding deformation positioning judgment device based on the short-circuit reactance is characterized in that a spring (501) is arranged inside the winding displacement testing mechanism (5), the spring (501) and the support rod (402) are fixed through welding, a pair plate (502) is fixed at one end of the spring (501) close to the center line of the support frame (1), and a threaded rod (503) penetrates through the inside of the support rod (402).
4. The winding deformation positioning judgment device based on the short-circuit reactance is characterized in that the comparison plate (502) is connected with the support rod (402) through a spring (501), the comparison plate (502) is movably connected with the threaded rod (503), and the threaded rod (503) is in threaded connection with the support rod (402).
5. The winding deformation positioning judgment device based on the short-circuit reactance is characterized in that the deformation position determination mechanism (6) comprises a sliding rod (601) inside, the sliding rod (601) is welded between two opposite supporting rods (402), a sliding ring (602) is sleeved outside the sliding rod (601), a second positioning pin (603) penetrates through the inside of the sliding ring (602), a supporting rod (604) is welded on one side of the top of the sliding ring (602), and a sleeve ring (605) is embedded on one side of the supporting rod (604) close to the central line of the supporting frame (1).
6. The winding deformation positioning judgment device based on the short-circuit reactance is characterized in that a fixed connection is formed between the lantern ring (605) and the supporting rod (604), the supporting rod (604) is axisymmetrical with respect to the center line of the supporting frame (1), and the supporting rod (604) and the sliding rod (601) form a sliding structure through the sliding ring (602).
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CN201921749671.2U CN210664325U (en) | 2019-10-18 | 2019-10-18 | Winding deformation positioning judgment device based on short-circuit reactance |
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CN201921749671.2U CN210664325U (en) | 2019-10-18 | 2019-10-18 | Winding deformation positioning judgment device based on short-circuit reactance |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112213601A (en) * | 2020-09-29 | 2021-01-12 | 国网福建省电力有限公司电力科学研究院 | Experimental device for simulating double-coil radial induced electric power impact accumulated deformation |
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2019
- 2019-10-18 CN CN201921749671.2U patent/CN210664325U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112213601A (en) * | 2020-09-29 | 2021-01-12 | 国网福建省电力有限公司电力科学研究院 | Experimental device for simulating double-coil radial induced electric power impact accumulated deformation |
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