CN210802295U - Device for measuring height of coil in real time in constant-pressure drying process - Google Patents
Device for measuring height of coil in real time in constant-pressure drying process Download PDFInfo
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- CN210802295U CN210802295U CN201921794985.4U CN201921794985U CN210802295U CN 210802295 U CN210802295 U CN 210802295U CN 201921794985 U CN201921794985 U CN 201921794985U CN 210802295 U CN210802295 U CN 210802295U
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- fixed pulley
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- drying device
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Abstract
The utility model relates to a device that is arranged in high real-time measurement of constant voltage drying process coil, include: the transformer coil drying device comprises a positioning block arranged at one end of the top of the transformer coil drying device, a first fixed pulley arranged at one end of the bottom of the drying device, a second fixed pulley arranged at the lower part of the side wall of the drying device, and a third fixed pulley arranged in the middle of the side wall of the drying device; an observation window is arranged at the position, which is arranged at the lower part of the side wall of the drying device, between the second fixed pulley and the third fixed pulley, and a graduated scale is fixedly arranged on the observation window; one end of the steel wire rope is fixed on the positioning block, and the other end of the steel wire rope penetrates through the first fixed pulley, the second fixed pulley and the third fixed pulley in sequence and then is fixedly connected with the plumb; and an indicating needle is arranged on the steel wire rope at a position corresponding to the graduated scale. Use the utility model discloses can realize the real-time supervision of high information among the coil constant voltage drying process, the device simple structure, measurement are convenient, and measuring result is accurate, have avoided the coil to cause the coil quality damage when bearing too big pressure.
Description
Technical Field
The utility model belongs to the technical field of the transformer operation is maintained, concretely relates to a device that is arranged in high real-time measurement of constant voltage drying process coil, can be applied to the real-time measurement of coil height among oil-immersed power transformer, the constant voltage drying process of converter transformer coil.
Background
With the continuous expansion of the power grid capacity, the requirements on the quality reliability of large oil-immersed power transformers and converter transformers in the safe operation process of the power grid are increasingly improved. The short-circuit resistance is a key factor influencing the stable operation of the transformer, and the height of the coil is a main performance index influencing the short-circuit resistance of the transformer. Therefore, real-time measurement and control of the transformer coil height is particularly important.
At present, constant voltage drying is generally adopted for strictly controlling the height of the coil of the transformer, but the height information of the coil of the transformer during pressurization cannot be obtained in real time in the drying process, and the short-circuit resistance of the transformer cannot be monitored and controlled.
Disclosure of Invention
To the technical problem, the utility model provides a device that is arranged in high real-time supervision of oil-immersed power transformer, converter transformer constant voltage drying process coil, the pointer displacement is observed to the accessible, the numerical value that obtains the coil altitude variation, has avoided because of unable in time acquireing drying process coil altitude variation, the coil overvoltage damage that causes. The utility model discloses the technical scheme who adopts as follows:
an apparatus for real-time measurement of coil height in a constant pressure drying process, comprising: the transformer coil drying device comprises a positioning block arranged at one end of the top of the transformer coil drying device, a first fixed pulley arranged at one end of the bottom of the drying device, a second fixed pulley arranged at the lower part of the side wall of the drying device, and a third fixed pulley arranged in the middle of the side wall of the drying device, wherein the positioning block and the first fixed pulley are on the same vertical line, the first fixed pulley and the second fixed pulley are on the same horizontal line, and the second fixed pulley and the third fixed pulley are on the same vertical line;
an observation window is arranged at the position, which is arranged at the lower part of the side wall of the drying device, between the second fixed pulley and the third fixed pulley, and a graduated scale is fixedly arranged on the observation window;
one end of the steel wire rope is fixed on the positioning block, and the other end of the steel wire rope penetrates through the first fixed pulley, the second fixed pulley and the third fixed pulley in sequence and then is fixedly connected with the plumb; and an indicating needle is arranged on the steel wire rope at a position corresponding to the graduated scale.
Preferably, the positioning block, the first fixed pulley, the second fixed pulley and the third fixed pulley are fixedly connected with the drying device through bolts respectively.
Preferably, the scale is fixedly arranged on the observation window through a bolt.
Preferably, one end of the steel wire rope is fixed on the positioning block through a bolt or a welding mode.
Preferably, the indicator pin is provided on the wire rope by means of adhesion.
The utility model has the advantages that:
use the utility model discloses can realize the real-time supervision of high information among the coil constant voltage drying process, the device simple structure, measurement are convenient, and measuring result is accurate, have avoided the coil to cause the coil quality damage when bearing too big pressure, have wider application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are illustrative of some embodiments of the invention, and that those skilled in the art will be able to derive other drawings without inventive step from these drawings, which are within the scope of the present application.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure, 1-a positioning block, 2-a first fixed pulley, 3-a second fixed pulley, 4-a third fixed pulley, 5-a graduated scale, 6-an indicator needle, 7-a plumb line and 8-a steel wire rope.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, is a schematic structural diagram of an embodiment of the present invention. An apparatus for real-time measurement of coil height in a constant pressure drying process, comprising: the transformer coil drying device comprises a positioning block 1 arranged at one end of the top of the transformer coil drying device, a first fixed pulley 2 arranged at one end of the bottom of the drying device, a second fixed pulley 3 arranged at the lower part of the side wall of the drying device, and a third fixed pulley 4 arranged in the middle of the side wall of the drying device, wherein the positioning block 1 and the first fixed pulley 2 are on the same vertical line, the first fixed pulley 2 and the second fixed pulley 3 are on the same horizontal line, and the second fixed pulley 3 and the third fixed pulley 4 are on the same vertical line; the positioning block 1, the first fixed pulley 2, the second fixed pulley 3 and the third fixed pulley 4 are fixedly connected with the drying device through bolts respectively.
An observation window is arranged at the position of the lower part of the side wall of the drying device between the second fixed pulley 3 and the third fixed pulley 4, and a graduated scale 5 is fixedly arranged on the observation window through a bolt.
One end of a steel wire rope 8 is fixed on the positioning block 1 through a bolt or a welding mode, and the other end of the steel wire rope passes through the first fixed pulley 2, the second fixed pulley 3 and the third fixed pulley 4 in sequence and then is fixedly connected with a plumb 7; and an indicating needle 6 is arranged on the steel wire rope 8 at a position corresponding to the graduated scale 5 in a bonding mode.
A method for measuring the height of a coil in real time in a constant-pressure drying process comprises the following steps:
step 1, after the transformer coil drying device is clamped, fixedly connecting a positioning block 1, a first fixed pulley 2, a second fixed pulley 3 and a third fixed pulley 4 with the drying device respectively;
and 5, when the drying device is pressurized, the distance between the transformer coils is reduced, the plumb 7 moves downwards, the position of the indicating needle 6 is changed, and the displacement of the indicating needle 6 is the change difference of the coil height.
Finally, it is to be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (5)
1. An apparatus for measuring the height of a coil in real time in a constant pressure drying process, comprising: the transformer coil drying device comprises a positioning block (1) arranged at one end of the top of the transformer coil drying device, a first fixed pulley (2) arranged at one end of the bottom of the drying device, a second fixed pulley (3) arranged at the lower part of the side wall of the drying device and a third fixed pulley (4) arranged in the middle of the side wall of the drying device, wherein the positioning block (1) and the first fixed pulley (2) are on the same vertical line, the first fixed pulley (2) and the second fixed pulley (3) are on the same horizontal line, and the second fixed pulley (3) and the third fixed pulley (4) are on the same vertical line;
an observation window is arranged at the position, which is arranged at the lower part of the side wall of the drying device, between the second fixed pulley (3) and the third fixed pulley (4), and a graduated scale (5) is fixedly arranged on the observation window;
one end of a steel wire rope (8) is fixed on the positioning block (1), and the other end of the steel wire rope passes through the first fixed pulley (2), the second fixed pulley (3) and the third fixed pulley (4) in sequence and then is fixedly connected with the plumb (7); and an indicating needle (6) is arranged on the steel wire rope (8) at a position corresponding to the graduated scale (5).
2. The device for measuring the height of the coil in real time according to claim 1, wherein the positioning block (1), the first fixed pulley (2), the second fixed pulley (3) and the third fixed pulley (4) are respectively and fixedly connected with the drying device through bolts.
3. Device for the real-time measurement of the height of a coil according to claim 1, characterized in that a graduated scale (5) is fixedly arranged on the observation window by means of bolts.
4. The device for measuring the height of the coil in real time according to the claim 1 is characterized in that one end of the steel wire rope (8) is fixed on the positioning block (1) through a bolt or a welding mode.
5. The device for measuring the height of the coil in real time according to the claim 1 is characterized in that the pointer (6) is arranged on the steel wire rope (8) by means of bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794985.4U CN210802295U (en) | 2019-10-24 | 2019-10-24 | Device for measuring height of coil in real time in constant-pressure drying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794985.4U CN210802295U (en) | 2019-10-24 | 2019-10-24 | Device for measuring height of coil in real time in constant-pressure drying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802295U true CN210802295U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921794985.4U Active CN210802295U (en) | 2019-10-24 | 2019-10-24 | Device for measuring height of coil in real time in constant-pressure drying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802295U (en) |
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2019
- 2019-10-24 CN CN201921794985.4U patent/CN210802295U/en active Active
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