CN218524114U - Deformation measuring device for large oil-immersed transformer oil tank in withstand voltage test - Google Patents
Deformation measuring device for large oil-immersed transformer oil tank in withstand voltage test Download PDFInfo
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- CN218524114U CN218524114U CN202221235514.1U CN202221235514U CN218524114U CN 218524114 U CN218524114 U CN 218524114U CN 202221235514 U CN202221235514 U CN 202221235514U CN 218524114 U CN218524114 U CN 218524114U
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Abstract
The utility model relates to the technical field of transformer tests, in particular to a deformation measuring device and a method for a large-scale oil-immersed transformer oil tank during a withstand voltage test, which comprises a transformer oil tank, a laser displacement sensor, a liftable sensor fixing device, a static displacement test box and a computer; the laser displacement sensor is arranged on the liftable sensor fixing device; the laser displacement sensor is connected with a static displacement test box through an optical fiber line, and the static displacement test box is connected with a computer through a data line; the liftable sensor fixing device comprises a base, a vertical rod and a first plate; the upright stanchion is fixedly connected to the top of the base; the top of the first plate is provided with a through hole, the through hole is in clearance fit with the upright rod, and the first plate is sleeved on the upright rod; the deformation of the oil tank is measured by using the laser displacement sensor, so that errors of manual measurement and possible safety risks are avoided, and the accuracy of test data is improved.
Description
Technical Field
The utility model relates to a transformer test technical field specifically is large-scale oil-immersed transformer oil tank warp measuring device and method when withstand voltage test.
Background
The oil tank of the large oil-immersed power transformer is a shell for protecting a transformer body, is a container for containing transformer oil and is a structural framework for assembling external components of the transformer, so that the oil tank of the transformer needs to meet certain mechanical strength. For a large oil-immersed transformer, the withstand voltage test of an oil tank is one aspect of the mechanical property analysis of the oil tank and is essential in the production and manufacturing process of the transformer. The pressure test of oil tank includes inside evacuation test and inside malleation test, and the test result is direct to be verified whether oil tank mechanical strength satisfies the designing requirement, whether satisfies national standard and enterprise standard.
When a traditional measuring method is used for carrying out a pressure-resistant test, a tester needs to approach an oil tank to manually measure the deformation of a measuring point for many times under different pressures, and the measuring method has potential safety hazards and is low in working efficiency and measuring precision; therefore, the deformation measuring device and method for the large oil-immersed transformer oil tank in the pressure resistance test are provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to compensate the not enough of prior art, solve when using traditional measuring method to carry out withstand voltage test, testing personnel need be under different pressure, be close to the oil tank many times and carry out manual measurement to the deflection of measuring point, when this kind of measuring method has the potential safety hazard, problem that work efficiency and measuring accuracy are not high, the utility model provides a large-scale oil-immersed transformer oil tank warp measuring device and method when withstand voltage test.
The utility model provides a technical scheme that its technical problem adopted is: the utility model discloses a deformation measuring device of a large oil-immersed transformer oil tank during a withstand voltage test, which comprises a transformer oil tank, a laser displacement sensor, a liftable sensor fixing device, a static displacement testing box and a computer; the laser displacement sensor is arranged on the liftable sensor fixing device; the laser displacement sensor is connected with a static displacement test box through an optical fiber line, and the static displacement test box is connected with a computer through a data line; the liftable sensor fixing device comprises a base, a vertical rod and a first plate; the upright stanchion is fixedly connected to the top of the base; the top of the first plate is provided with a through hole, the through hole is in clearance fit with the upright rod, and the first plate is sleeved on the upright rod; one side of the first plate is fixedly connected with an installation plate; the laser displacement sensor is arranged on the mounting plate; when the device works, the deformation of the oil tank is measured by using the laser displacement sensor during a pressure resistance test (vacuumizing or positive pressure applying), so that errors of manual measurement and possible safety risks are avoided, and the accuracy of test data is improved; the hardware of the measuring device is simple and convenient to install, and the test efficiency is improved; the test data can be displayed in real time through a digital display optical fiber amplifier in the static displacement test box, so that the observation is facilitated; the special data processing software installed in the computer can count and process the test values, and data tables with different formats are stored or printed according to the requirements of users.
Preferably, a protective shell is fixedly connected to the top of the base, a motor is fixedly connected to the interior of the protective shell, and a first bevel gear is fixedly connected to an output shaft of the motor; a through groove is formed in the side wall of the vertical rod; a threaded rod is rotatably connected in the through groove, and a second bevel gear is sleeved and fixedly connected at the bottom end of the threaded rod; the first bevel gear is meshed with the second bevel gear; a sliding plate is connected in the through groove in a sliding manner, and the threaded rod penetrates through the sliding plate; two sides of the sliding plate are fixedly connected with the inner wall of the through hole; when the height of the laser displacement sensor is adjusted, only the motor needs to be started, so that the motor drives the bevel gear I to rotate, the bevel gear I and the bevel gear II are further in meshed motion, the threaded rod is rotated, the threaded rod drives the sliding plate to move up and down, the sliding plate and the first plate move up and down along the vertical rod, and the height of the laser displacement sensor is adjusted; wherein the sliding plate is connected with the threaded rod through a screw rod nut pair.
Preferably, the top of the mounting plate is provided with a mounting groove; the laser displacement sensor is arranged in the mounting groove; the bottom of the mounting groove is symmetrically provided with two grooves; a guide rod is fixedly connected to the inner wall of the groove; the outer wall of the guide rod is sleeved and connected with a clamping plate in a sliding manner; the inner wall of the groove is rotatably connected with a second plate, and one side of the second plate is connected to the inner wall of the groove through a spring; a cavity is arranged in the mounting plate and is communicated with the groove through a sliding chute; the bottom of the mounting plate is penetrated and connected with a push rod in a sliding manner; two triangular blocks are symmetrically and fixedly connected to the top end of the push rod; a trapezoidal block is connected in the sliding groove in a sliding manner, one side of the trapezoidal block is in contact with the second plate, and the other side of the trapezoidal block is in contact with the triangular block; the during operation, during the installation laser displacement sensor, only need place laser displacement sensor in the mounting groove, and make laser displacement sensor be located between two splint, upwards promote the push rod this moment again, make two blocks of triangle-shaped blocks on push rod top extrude the trapezoidal piece, make the trapezoidal piece slide along the spout, and then make the trapezoidal piece extrude No. two boards, make No. two boards produce and rotate, and extrude splint, finally make two splint this moment move in opposite directions, and then realize the quick installation to laser displacement sensor, and also convenient the dismantlement.
Preferably, the bottom end of the push rod is fixedly connected with a push plate, and the top of the push plate is fixedly connected with a magnet I; a second magnet is fixedly connected to the bottom of the mounting plate at a position corresponding to the first magnet; during operation, after two splint press from both sides tight laser displacement sensor, magnet one at push pedal top and two absorption of magnet are in the same place, realize the injecing to push pedal and push rod position, improve the fixed effect to laser displacement sensor.
Preferably, the laser displacement sensors are matched with optical fiber lines for use and are aligned with the measuring point positions of the transformer oil tanks one by one; the depth of the mounting groove is lower than a laser emission port of the laser displacement sensor; during operation, the laser displacement sensor is matched with the optical fiber line for use, the laser displacement sensor is restarted before use, and the laser displacement sensor and the measuring point position of the transformer oil tank are aligned one by one.
Preferably, the base, the upright stanchion and the mounting plate are all made of stainless steel materials, and the inner wall of the through hole is fixedly connected with an annular rubber pad; during operation, the material of stainless steel has better intensity, has better corrosion-resistant effect for the life of base, pole setting and mounting panel improves.
Preferably, the digital display optical fiber amplifier in the static displacement test box can adjust the detection sensitivity according to the use condition and can display the measured value in real time; the data acquisition module of the static displacement test box can acquire and process data; the special data processing software installed in the computer is used for counting and processing data, can generate test data tables with different formats according to the requirements of users, and can store or print the data.
The deformation measuring method of the large oil-immersed transformer oil tank in the withstand voltage test is suitable for the deformation measuring device of the large oil-immersed transformer oil tank in the withstand voltage test, and comprises the following steps:
s1: conveying the test oil tank to a test station, and marking the measuring point of the transformer oil tank;
s2: the liftable sensor fixing devices are placed near the pressure test measuring points of the transformer oil tank and aligned one by one within the effective range of the laser displacement sensor;
s3: the laser displacement sensor is placed on a mounting plate in a liftable sensor fixing device, an optical fiber line is used for connecting the laser displacement sensor and a static displacement testing box, a data line is used for connecting the static displacement testing box and a computer, and the static displacement testing box and the computer are both arranged in a safe area of a test;
s4: starting all the measuring components, adjusting the distance and the height between the liftable sensor fixing device and the measuring point of the transformer oil tank to enable the laser displacement sensor to return to zero, and adjusting the sensitivity of a digital display optical fiber amplifier in the static displacement testing tank;
s5: before the transformer oil tank is vacuumized or pressurized, storing an initial numerical value by using computer special data processing software; vacuumizing or pressurizing the transformer oil tank to a test pressure value, observing whether the numerical value of the digital display optical fiber amplifier is abnormal, and storing the measured numerical value by using special data processing software of a computer; measuring the air pressure in the transformer oil tank again after unloading the air pressure and storing the data by using a computer; and storing or printing the test data table according to the requirements of the user.
The utility model discloses an useful part lies in:
1. in the utility model, when the transformer oil tank is subjected to a pressure test (vacuum pumping or positive pressure pumping), the deformation of the oil tank is measured by using the laser displacement sensor, thereby avoiding the error of manual measurement and possible safety risks and improving the accuracy of test data; the hardware of the measuring device is simple and convenient to install, and the test efficiency is improved; the test data can be displayed in real time through a digital display optical fiber amplifier in the static displacement test box, so that the test data is convenient to observe; the special data processing software installed in the computer can count and process the test values, and data tables with different formats can be stored or printed according to the needs of users.
2. The utility model discloses in, when installation laser displacement sensor, only need place laser displacement sensor in the mounting groove, through upwards promoting the push rod for trapezoidal piece extrusion No. two boards make No. two boards produce and rotate, and extrude splint, finally make two splint this moment relative motion, and then realize the quick installation to laser displacement sensor, also convenient the dismantlement moreover can improve test efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram according to a first embodiment;
FIG. 2 is a schematic structural diagram of a liftable sensor fixing device according to a first embodiment;
FIG. 3 is a schematic diagram illustrating a partial cross-sectional structure of a liftable sensor fixing device according to an embodiment;
FIG. 4 is a schematic cross-sectional view of a mounting plate according to an embodiment;
fig. 5 is a drawing of the second embodiment.
In the figure: 1. a transformer tank; 2. a laser displacement sensor; 3. a liftable sensor fixing device; 4. a static displacement test box; 5. a computer; 6. an optical fiber line; 7. a data line; 8. a base; 9. erecting a rod; 10. a first board; 11. mounting a plate; 12. a protective shell; 13. a motor; 14. a first bevel gear; 15. A through groove; 16. a threaded rod; 17. a second bevel gear; 18. a slide plate; 19. mounting grooves; 20. a guide bar; 21. A splint; 22. a second plate; 23. a spring; 24. a push rod; 25. a triangular block; 26. a trapezoidal block; 27. Pushing the plate; 28. a magnet I; 29. a second magnet; 30. an annular rubber pad; 31. and a buffer block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, the deformation measuring device for the large oil-immersed transformer oil tank during the withstand voltage test comprises a transformer oil tank 1, a laser displacement sensor 2, a liftable sensor fixing device 3, a static displacement testing box 4 and a computer 5; the laser displacement sensor 2 is arranged on the liftable sensor fixing device 3; the laser displacement sensor 2 is connected with the static displacement test box 4 through an optical fiber line 6, and the static displacement test box 4 is connected with the computer 5 through a data line 7; the liftable sensor fixing device 3 comprises a base 8, an upright rod 9 and a first plate 10; the upright rod 9 is fixedly connected to the top of the base 8; the top of the first plate 10 is provided with a through hole, the through hole is in clearance fit with the upright rod 9, and the first plate 10 is sleeved on the upright rod 9; one side of the first plate 10 is fixedly connected with an installation plate 11; the laser displacement sensor 2 is arranged on the mounting plate 11; when the device works, the deformation of the transformer oil tank 1 is measured by the laser displacement sensor 2 during a pressure resistance test (vacuumizing or positive pressure applying), so that errors of manual measurement and possible safety risks are avoided, and the accuracy of test data is improved; the hardware of the measuring device is simple and convenient to install, and the test efficiency is improved; the test data can be displayed in real time through a digital display optical fiber amplifier in the static displacement test box 4, so that the test data is convenient to observe; the special data processing software installed in the computer 5 can count and process the test values, and store or print data tables with different formats according to the needs of users.
A protective shell 12 is fixedly connected to the top of the base 8, a motor 13 is fixedly connected to the interior of the protective shell 12, and a first bevel gear 14 is fixedly connected to an output shaft of the motor 13; a through groove 15 is formed in the side wall of the upright rod 9; a threaded rod 16 is rotatably connected in the through groove 15, and a bevel gear II 17 is sleeved and fixedly connected at the bottom end of the threaded rod 16; the first bevel gear 14 is meshed with the second bevel gear 17; a sliding plate 18 is slidably connected in the through groove 15, and the threaded rod 16 penetrates through the sliding plate 18; two sides of the sliding plate 18 are fixedly connected with the inner wall of the through hole; when the height of the laser displacement sensor 2 is adjusted during work, only the motor 13 needs to be started, so that the motor 13 drives the bevel gear I14 to rotate, the bevel gear I14 and the bevel gear II 17 generate meshing motion, the threaded rod 16 rotates, the threaded rod 16 drives the sliding plate 18 to move up and down, the sliding plate 18 and the first plate 10 move up and down along the vertical rod 9, and the height of the laser displacement sensor 2 is adjusted; wherein the slide plate 18 is connected with the threaded rod 16 through a feed screw nut pair.
The top of the mounting plate 11 is provided with a mounting groove 19; the laser displacement sensor 2 is arranged in the mounting groove 19; the bottom of the mounting groove 19 is symmetrically provided with two grooves; the inner wall of the groove is fixedly connected with a guide rod 20; the outer wall of the guide rod 20 is sleeved and connected with a clamping plate 21 in a sliding manner; the inner wall of the groove is rotatably connected with a second plate 22, and one side of the second plate 22 is connected with the inner wall of the groove through a spring 23; a cavity is arranged in the mounting plate 11, and the cavity is communicated with the groove through a sliding chute; the bottom of the mounting plate 11 is penetrated and connected with a push rod 24 in a sliding manner; two triangular blocks 25 are symmetrically and fixedly connected to the top end of the push rod 24; a trapezoidal block 26 is connected in the sliding groove in a sliding manner, one side of the trapezoidal block 26 is in contact with the second plate 22, and the other side of the trapezoidal block 26 is in contact with the triangular block 25; the during operation, during installation laser displacement sensor 2, only need to place laser displacement sensor 2 in mounting groove 19, and make laser displacement sensor 2 be located between two splint 21, upwards promote push rod 24 this moment again, make two triangular blocks 25 on push rod 24 top extrude trapezoidal block 26, make trapezoidal block 26 slide along the spout, and then make trapezoidal block 26 extrude No. two boards 22, make No. two boards 22 produce the rotation, and extrude splint 21, finally make two splint 21 this moment relative motion, and then realize the quick installation to laser displacement sensor 2, and also convenient the dismantlement.
The bottom end of the push rod 24 is fixedly connected with a push plate 27, and the top of the push plate 27 is fixedly connected with a magnet I28; a second magnet 29 is fixedly connected to the bottom of the mounting plate 11 at a position corresponding to the first magnet 28; during operation, after the two clamping plates 21 clamp the laser displacement sensor 2, the first magnet 28 and the second magnet 29 at the top of the push plate 27 are adsorbed together, so that the positions of the push plate 27 and the push rod 24 are limited, and the fixing effect on the laser displacement sensor 2 is improved.
The laser displacement sensors 2 are matched with the optical fiber lines 6 for use and are aligned with the measuring point positions of the transformer oil tank 1 one by one; the depth of the mounting groove 19 is lower than the laser emission port of the laser displacement sensor 2; during operation, laser displacement sensor 2 cooperates optical fiber line 6 to use, restarts laser displacement sensor 2 before the use to make laser displacement sensor 2 and transformer tank 1 measuring point position align one by one.
The base 8, the upright stanchion 9 and the mounting plate 11 are all made of stainless steel materials, and the inner wall of the through hole is fixedly connected with an annular rubber pad 30; during operation, the material of stainless steel has better intensity, has better corrosion-resistant effect for the life of base 8, pole setting 9 and mounting panel 11 improves.
The digital display optical fiber amplifier in the static displacement test box 4 can adjust the detection sensitivity according to the use condition and can display the measured value in real time; the data acquisition module of the static displacement test box 4 can acquire and process data; the special data processing software installed in the computer 5 is used for counting and processing data, can generate test data tables with different formats according to the requirements of users, and can store or print the data.
Example two
Referring to fig. 5, in the first comparative example, as another embodiment of the present invention, a buffer block 31 is fixedly connected to one side of the clamp plate 21 close to the laser displacement sensor 2; during operation, through setting up buffer block 31 for splint 21 does not with 2 direct contact of laser displacement sensor, can avoid splint 21 to crush laser displacement sensor 2, thereby improves laser displacement sensor 2's life, has improved the whole result of use of this device.
The working principle is as follows: when the transformer oil tank 1 is subjected to a pressure test (vacuumizing or positive pressure application), the deformation of the oil tank is measured by using the laser displacement sensor 2, so that errors of manual measurement and possible safety risks are avoided, and the accuracy of test data is improved; the hardware of the measuring device is simple and convenient to install, and the test efficiency is improved; the test data can be displayed in real time through a digital display optical fiber amplifier in the static displacement test box 4, so that the test data is convenient to observe; the special data processing software installed in the computer 5 can count and process the test values, and store or print data tables with different formats according to the needs of users.
When the height of the laser displacement sensor 2 is adjusted, only the motor 13 needs to be started, so that the motor 13 drives the bevel gear I14 to rotate, the bevel gear I14 and the bevel gear II 17 generate meshing motion, the threaded rod 16 rotates, the threaded rod 16 drives the sliding plate 18 to move up and down, the sliding plate 18 and the first plate 10 move up and down along the vertical rod 9, and the height of the laser displacement sensor 2 is adjusted; when the laser displacement sensor 2 is installed, the laser displacement sensor 2 only needs to be placed in the installation groove 19, the laser displacement sensor 2 is located between the two clamping plates 21, the push rod 24 is pushed upwards at the moment, the two triangular blocks 25 at the top end of the push rod 24 extrude the trapezoidal block 26, the trapezoidal block 26 slides along the sliding groove, the trapezoidal block 26 extrudes the second plate 22, the second plate 22 rotates and extrudes the clamping plates 21, and finally the two clamping plates 21 move oppositely at the moment, so that the laser displacement sensor 2 is installed quickly, and the laser displacement sensor 2 is convenient to disassemble; after the two clamping plates 21 clamp the laser displacement sensor 2, the first magnet 28 and the second magnet 29 on the top of the push plate 27 are adsorbed together, so that the positions of the push plate 27 and the push rod 24 are limited, and the fixing effect on the laser displacement sensor 2 is improved.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. Large-scale oil-immersed transformer oil tank deformation measuring device when withstand voltage test, its characterized in that: the device comprises a transformer oil tank (1), a laser displacement sensor (2), a liftable sensor fixing device (3), a static displacement testing box (4) and a computer (5); the laser displacement sensor (2) is arranged on the liftable sensor fixing device (3); the laser displacement sensor (2) is connected with the static displacement test box (4) through an optical fiber line (6), and the static displacement test box (4) is connected with the computer (5) through a data line (7); the liftable sensor fixing device (3) comprises a base (8), a vertical rod (9) and a first plate (10); the upright rod (9) is fixedly connected to the top of the base (8); the top of the first plate (10) is provided with a through hole, the through hole is in clearance fit with the upright rod (9), and the first plate (10) is sleeved on the upright rod (9); one side of the first plate (10) is fixedly connected with an installation plate (11); the laser displacement sensor (2) is installed on the installation plate (11).
2. The deformation measuring device for the large oil-immersed transformer oil tank in the pressure resistance test according to claim 1, characterized in that: a protective shell (12) is fixedly connected to the top of the base (8), a motor (13) is fixedly connected to the interior of the protective shell (12), and a first bevel gear (14) is fixedly connected to an output shaft of the motor (13); a through groove (15) is formed in the side wall of the upright rod (9); a threaded rod (16) is rotatably connected in the through groove (15), and a second bevel gear (17) is sleeved and fixedly connected at the bottom end of the threaded rod (16); the bevel gear I (14) and the bevel gear II (17) are meshed with each other; a sliding plate (18) is connected in the through groove (15) in a sliding manner, and the threaded rod (16) penetrates through the sliding plate (18); and two sides of the sliding plate (18) are fixedly connected with the inner wall of the through groove.
3. The deformation measuring device for the large oil-immersed transformer oil tank in the pressure resistance test according to claim 2, characterized in that: the top of the mounting plate (11) is provided with a mounting groove (19); the laser displacement sensor (2) is arranged in the mounting groove (19); the bottom of the mounting groove (19) is symmetrically provided with two grooves; a guide rod (20) is fixedly connected with the inner wall of the groove; the outer wall of the guide rod (20) is sleeved with a clamping plate (21) and is connected with the guide rod in a sliding mode; the inner wall of the groove is rotatably connected with a second plate (22), and one side of the second plate (22) is connected to the inner wall of the groove through a spring (23); a cavity is arranged in the mounting plate (11), and the cavity is communicated with the groove through a sliding groove; the bottom of the mounting plate (11) is penetrated and connected with a push rod (24) in a sliding way; two triangular blocks (25) are symmetrically and fixedly connected to the top end of the push rod (24); a trapezoidal block (26) is connected in the sliding groove in a sliding mode, one side of the trapezoidal block (26) is in contact with the second plate (22), and the other side of the trapezoidal block (26) is in contact with the triangular block (25).
4. The deformation measuring device for the large oil-immersed transformer oil tank in the withstand voltage test according to claim 3, characterized in that: the bottom end of the push rod (24) is fixedly connected with a push plate (27), and the top of the push plate (27) is fixedly connected with a magnet I (28); and a second magnet (29) is fixedly connected to the bottom of the mounting plate (11) at a position corresponding to the first magnet (28).
5. The deformation measuring device for the large oil-immersed transformer oil tank in the pressure resistance test is characterized in that: the laser displacement sensors (2) are matched with the optical fiber lines (6) for use and are aligned with the measuring point positions of the transformer oil tanks (1) one by one; the depth of the mounting groove (19) is lower than the laser emitting opening of the laser displacement sensor (2).
6. The deformation measuring device for the large oil-immersed transformer oil tank in the pressure resistance test according to claim 5, is characterized in that: the base (8), the upright stanchion (9) and the mounting plate (11) are made of stainless steel materials, and the inner wall of the through hole is fixedly connected with an annular rubber pad (30).
7. The deformation measuring device for the large oil-immersed transformer oil tank in the pressure resistance test is characterized in that: the digital display optical fiber amplifier in the static displacement test box (4) can adjust the detection sensitivity according to the use condition and can display the measured value in real time; the data acquisition module of the static displacement test box (4) can acquire and process data; the special data processing software installed in the computer (5) is used for counting and processing data, can generate test data tables with different formats according to the requirements of users, and can be used for storing or printing the data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221235514.1U CN218524114U (en) | 2022-05-19 | 2022-05-19 | Deformation measuring device for large oil-immersed transformer oil tank in withstand voltage test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221235514.1U CN218524114U (en) | 2022-05-19 | 2022-05-19 | Deformation measuring device for large oil-immersed transformer oil tank in withstand voltage test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200490A (en) * | 2022-05-19 | 2022-10-18 | 保定天威保变电气股份有限公司 | Deformation measuring device and method for large oil-immersed transformer oil tank in voltage withstand test |
| CN117054259A (en) * | 2023-09-27 | 2023-11-14 | 保定德利盛电器有限公司 | Impact-resistant testing system for strength of transformer shell |
-
2022
- 2022-05-19 CN CN202221235514.1U patent/CN218524114U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200490A (en) * | 2022-05-19 | 2022-10-18 | 保定天威保变电气股份有限公司 | Deformation measuring device and method for large oil-immersed transformer oil tank in voltage withstand test |
| CN115200490B (en) * | 2022-05-19 | 2024-04-16 | 保定天威保变电气股份有限公司 | Deformation measuring device and method for large oil immersed transformer oil tank in pressure test |
| CN117054259A (en) * | 2023-09-27 | 2023-11-14 | 保定德利盛电器有限公司 | Impact-resistant testing system for strength of transformer shell |
| CN117054259B (en) * | 2023-09-27 | 2024-03-22 | 保定德利盛电器有限公司 | Impact-resistant testing system for strength of transformer shell |
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