CN113075476A - Flow sensitive tester for primary current limiting resonance eliminator - Google Patents
Flow sensitive tester for primary current limiting resonance eliminator Download PDFInfo
- Publication number
- CN113075476A CN113075476A CN202110315012.3A CN202110315012A CN113075476A CN 113075476 A CN113075476 A CN 113075476A CN 202110315012 A CN202110315012 A CN 202110315012A CN 113075476 A CN113075476 A CN 113075476A
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- plate
- threaded rod
- primary current
- horizontal threaded
- positioning plate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 229910052742 iron Inorganic materials 0.000 claims abstract description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 11
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims 9
- 238000011105 stabilization Methods 0.000 claims 9
- 239000000463 material Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 description 7
- 230000005350 ferromagnetic resonance Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
本发明公开了流敏型一次限流消谐器测试仪，包括保护箱体和保护箱盖，所述保护箱体上安装有保护箱盖，所述第一水平螺纹杆和第二水平螺纹杆上均安装有活动板，所述活动板顶端固定有侧定位板，且侧定位板底端与稳定槽顶部贴合，所述侧盖表面固定有铁质存放盒，且铁质存放盒上安装有安装板，并且安装板末端固定有磁铁，所述铁质存放盒内壁和安装板上均固定有卡座。该流敏型一次限流消谐器测试仪，采用新型的结构设计，使得本装置能够在使用时对不同型号尺寸的流敏型一次限流消谐器进行水平和垂直方向上的同时定位固定，并且定位固定结构能有效绝缘，保证使用时的安全性，同时操作便捷，能快速连续的进行测试。
The invention discloses a flow-sensitive primary current limiting harmonic eliminator tester, comprising a protective box body and a protective box cover, the protective box cover is mounted on the protective box body, the first horizontal threaded rod and the second horizontal threaded rod A movable plate is installed on the top of the movable plate, a side positioning plate is fixed at the top of the movable plate, and the bottom end of the side positioning plate is attached to the top of the stable groove, an iron storage box is fixed on the surface of the side cover, and the iron storage box is installed on the There is an installation plate, and the end of the installation plate is fixed with a magnet, and the inner wall of the iron storage box and the installation plate are fixed with a card seat. The current-sensing primary current limiting harmonic eliminator tester adopts a new structure design, which enables the device to simultaneously position and fix the current-sensing primary current limiting harmonic eliminator of different sizes in the horizontal and vertical directions when in use. , and the positioning and fixing structure can effectively insulate, ensure the safety during use, and at the same time, the operation is convenient, and the test can be carried out quickly and continuously.
Description
Technical Field
The invention relates to the technical field of power grid safe operation assistance, in particular to a flow-sensitive type primary current-limiting resonance eliminator tester.
Background
In a neutral point non-effective grounding system, ferromagnetic resonance overvoltage of an electromagnetic voltage transformer is an internal overvoltage which is the most frequent and causes the most accidents, multiple accident verification is carried out, the occurrence of PT ferromagnetic resonance overvoltage accidents cannot be effectively restrained by traditional PT resonance elimination measures, and the current-sensitive primary current-limiting resonance eliminator can effectively prevent faults such as PT fuse fusing, PT burning loss, cable head explosion and bus full stop, so that the current-sensitive primary current-limiting resonance eliminator has a good effect on eliminating PT ferromagnetic resonance and guarantees the reliability of power supply of a power grid.
With the continuous installation of the flow-sensitive primary current-limiting resonance eliminator in a power grid system, the following problems are found in the practical use process:
because there is the difference in quality after the current-sensitive type primary current-limiting harmonic elimination ware is produced, also can cause the damage because jolting at the in-process of transportation simultaneously, so need test before installing electric wire netting, and current tester sets up in portable suitcase, need the line to carry out the high-pressure connection test to current-sensitive type primary current-limiting harmonic elimination ware, current-sensitive type primary current-limiting harmonic elimination ware can't stably place fixedly, not only use inconvenient, and there is certain potential safety hazard, and detect speed slow inefficiency moreover, can't carry out the short-term test to the current-sensitive type primary current-limiting harmonic elimination ware of different model sizes that uses in the different transmission circuits.
Therefore, a flow-sensitive type primary current-limiting resonance eliminator tester needs to be designed for solving the problems.
Disclosure of Invention
The invention aims to provide a flow-sensitive primary current-limiting harmonic eliminator tester, which solves the problems that the flow-sensitive primary current-limiting harmonic eliminator provided in the background technology cannot be stably placed and fixed, is inconvenient to use, has certain potential safety hazards, is low in detection speed and efficiency, and cannot quickly detect the flow-sensitive primary current-limiting harmonic eliminator with different types and sizes used in different power transmission circuits.
In order to achieve the purpose, the invention provides the following technical scheme: the flow-sensitive type primary current-limiting harmonic eliminator tester comprises a protection box body and a protection box cover, wherein the protection box cover is installed on the protection box body, a tester body is arranged in the protection box body, a side box is fixed on the side of the protection box body, a side cover is fixed on the side of the protection box cover, an operating shaft is installed on the side wall of the side box in a penetrating mode through a bearing seat, a driving gear and a middle gear are fixedly installed on the operating shaft, the side of the middle gear is connected with a vertical plate, the vertical plate penetrates through a stabilizing port, the stabilizing port is formed in an inner partition plate, the inner partition plate is fixed on the inner wall of the side box, an upper positioning plate is fixedly installed at the top end of the vertical plate, a side bolt is arranged on the side of the upper positioning plate, an extrusion nut is installed at the tail end of the side bolt, the side bolt, and first driven gear fixed mounting is at first horizontal threaded rod end to second driven gear fixed mounting is at second horizontal threaded rod end, first horizontal threaded rod and second horizontal threaded rod pass through the bearing frame and install at the side incasement, all install the fly leaf on first horizontal threaded rod and the second horizontal threaded rod, and fly leaf top and the laminating of stable inslot wall to stable groove is seted up on the inner baffle, the fly leaf top is fixed with the side locating plate, and the laminating of side locating plate bottom and stable groove top to the side locating plate avris is pasted and is fixed with insulating liner, side cap surface fixing has the iron case, and installs the mounting panel on the iron case to the mounting panel end is fixed with magnet, all be fixed with the cassette on iron case inner wall and the mounting panel.
Preferably, the driving gear is in meshed connection with the tooth convex structure on the side of the vertical plate, and the vertical plate is in sliding connection with the stabilizing port.
Preferably, 2 side bolts are symmetrically distributed on the side of the upper positioning plate, the side bolts are in sliding connection with the track window, and the side of the upper positioning plate is tightly attached to the inner wall of the side box.
Preferably, the middle gear, the first driven gear and the second driven gear are bevel gears with the same diameter, and the first driven gear and the second driven gear are symmetrically distributed around the middle gear.
Preferably, first horizontal threaded rod and second horizontal threaded rod distribute about operation axis symmetry, and first horizontal threaded rod and second horizontal threaded rod all are threaded connection with the fly leaf to the fly leaf top is sliding connection with the steadying trough bottom, the profile of looking sideways at of steadying trough is flat "protruding" style of calligraphy.
Preferably, the bottom end of the side positioning plate is in sliding connection with the top of the stabilizing groove, the stabilizing grooves are symmetrically distributed about the upper positioning plate, the length of the upper positioning plate is greater than the distance between the symmetrically distributed 2 stabilizing grooves, and the width of the upper positioning plate is smaller than half of the width of the side box.
Preferably, the mounting plate is L-shaped in front view, and the mounting plate and the iron storage box form a rotating mechanism through a cylindrical shaft arranged on the side of the top end of the mounting plate.
Preferably, the front view shape of the clamping seat is a C shape, and the clamping seat is made of polyvinyl chloride.
Compared with the prior art, the invention has the beneficial effects that: the flow-sensitive primary current-limiting harmonic eliminator tester adopts a novel structural design, so that the device can position and fix flow-sensitive primary current-limiting harmonic eliminators of different types and sizes in the horizontal and vertical directions simultaneously when in use, and the positioning and fixing structure can be effectively insulated, thereby ensuring the safety in use, being convenient and fast to operate and being capable of carrying out rapid and continuous testing;
1. the driving structure and the stabilizing structure which are composed of the operating shaft, the driving gear, the middle gear, the side bolt, the extrusion nut, the track window, the first driven gear, the second driven gear, the first horizontal threaded rod, the second horizontal threaded rod, the movable plate and the stabilizing groove can drive the horizontal and vertical positioning structures which are composed of the upper positioning plate, the side positioning plate and the insulating liner to work simultaneously, and the quick and stable positioning and fixing are carried out on the flow-sensitive primary current-limiting harmonic eliminator with different types and sizes;
2. through the structure that iron case, fly leaf, magnet and cassette are constituteed, can stably accomodate test line and instrument to the access is convenient, coordinates the location structure of side incasement, makes going on that whole test operation can be fast smooth.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic top view of the gear, the first driven gear and the second driven gear of the present invention;
FIG. 3 is a schematic side sectional view of an inner partition plate according to the present invention;
FIG. 4 is a schematic view of a front cross-sectional structure of an inner partition plate according to the present invention;
FIG. 5 is a side sectional view of the vertical plate and stabilizing port of the present invention;
fig. 6 is a front sectional view schematically illustrating the iron storage box according to the present invention.
In the figure: 1. a protective box body; 2. a protective box cover; 3. a tester body; 4. a side box; 5. a side cover; 6. an operating shaft; 7. a driving gear; 8. a middle gear; 9. a vertical plate; 10. a stabilizing port; 11. an inner partition plate; 12. an upper positioning plate; 13. a side bolt; 14. extruding the nut; 15. a track window; 16. a first driven gear; 17. a second driven gear; 18. a first horizontal threaded rod; 19. a second horizontal threaded rod; 20. a movable plate; 21. a stabilizing slot; 22. a side positioning plate; 23. an insulating spacer; 24. an iron storage box; 25. mounting a plate; 26. a magnet; 27. a card seat.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the flow-sensitive type primary current-limiting resonance eliminator tester comprises a protective box body 1, a protective box cover 2, a tester body 3, a side box 4, a side cover 5, an operating shaft 6, a driving gear 7, a middle gear 8, a vertical plate 9, a stabilizing port 10, an inner partition plate 11, an upper locating plate 12, a side bolt 13, an extrusion nut 14, a track window 15, a first driven gear 16, a second driven gear 17, a first horizontal threaded rod 18, a second horizontal threaded rod 19, a movable plate 20, a stabilizing groove 21, a side locating plate 22, an insulating liner 23, an iron storage box 24, an installation plate 25, a magnet 26 and a clamping seat 27, wherein the protective box cover 2 is installed on the protective box body 1, the tester body 3 is arranged in the protective box body 1, the side box 4 is fixed on the side of the protective box body 1, the side cover 2 is fixed with the side cover 5, the operating shaft 6 is installed on the side wall of the side box 4 in a penetrating manner through a bearing seat, the driving, and the side of the middle gear 8 is connected with the vertical plate 9, the vertical plate 9 penetrates through the stabilizing port 10, the stabilizing port 10 is arranged on the inner partition plate 11, the inner partition plate 11 is fixed on the inner wall of the side box 4, the top end of the vertical plate 9 is fixedly provided with an upper locating plate 12, the side of the upper locating plate 12 is provided with a side bolt 13, the tail end of the side bolt 13 is provided with an extrusion nut 14, the side bolt 13 penetrates through a track window 15, the middle gear 8 is meshed with a first driven gear 16 and a second driven gear 17, the first driven gear 16 is fixedly arranged at the tail end of a first horizontal threaded rod 18, the second driven gear 17 is fixedly arranged at the tail end of a second horizontal threaded rod 19, the first horizontal threaded rod 18 and the second horizontal threaded rod 19 are arranged in the side box 4 through bearing seats, the movable plates 20 are arranged on the first horizontal threaded rod 18 and the second horizontal threaded rod 19, and the top ends, and the stable groove 21 is opened on the inner baffle 11, the top end of the movable plate 20 is fixed with the side positioning plate 22, the bottom end of the side positioning plate 22 is attached to the top of the stable groove 21, the side of the side positioning plate 22 is fixedly adhered with the insulating liner 23, the surface of the side cover 5 is fixed with the iron storage box 24, the iron storage box 24 is provided with the mounting plate 25, the tail end of the mounting plate 25 is fixed with the magnet 26, and the inner wall of the iron storage box 24 and the mounting plate 25 are both fixed with the clamping seats 27.
In this embodiment, the driving gear 7 is engaged with the vertical plate 9, and the vertical plate 9 is slidably connected to the stabilizing opening 10, so that the driving gear 7 can stably drive the vertical plate 9 to carry the upper positioning plate 12 to move vertically along the stabilizing opening 10.
The side of the upper positioning plate 12 is symmetrically distributed with 2 side bolts 13, the side bolts 13 are in sliding connection with the track window 15, and the side of the upper positioning plate 12 is tightly attached to the inner wall of the side box 4.
The middle gear 8, the first driven gear 16 and the second driven gear 17 are bevel gears with the same diameter, and the first driven gear 16 and the second driven gear 17 are symmetrically distributed around the middle gear 8, and the above-mentioned structure design enables the middle gear 8 to drive the first driven gear 16 and the second driven gear 17 to rotate in opposite directions but at the same speed when rotating.
The first horizontal threaded rod 18 and the second horizontal threaded rod 19 are symmetrically distributed about the operating shaft 6, the first horizontal threaded rod 18 and the second horizontal threaded rod 19 are both in threaded connection with the movable plate 20, the top of the movable plate 20 is in sliding connection with the bottom of the stabilizing groove 21, the side view section of the stabilizing groove 21 is in a flat convex shape, and the structural design enables the first horizontal threaded rod 18 and the second horizontal threaded rod 19 to drive the symmetrically distributed movable plates 20 to perform stable horizontal opposite displacement along the stabilizing groove 21 when the first horizontal threaded rod 18 and the second horizontal threaded rod 19 perform opposite rotation.
The bottom end of the side positioning plate 22 is in sliding connection with the top of the stabilizing groove 21, the stabilizing groove 21 is symmetrically distributed about the upper positioning plate 12, the length of the upper positioning plate 12 is larger than the distance between the 2 stabilizing grooves 21 which are symmetrically distributed, the width of the upper positioning plate 12 is smaller than half of the width of the side box 4, the side positioning plate 22 can be driven by the movable plate 20 to move stably along the stabilizing groove 21, and the side cover 5 can be conveniently stored in the side box 4 with the iron storage box 24 when the side cover 5 is rotationally closed along with the protective box cover 2 due to the design of the width.
The mounting plate 25 is L-shaped in front view, the mounting plate 25 and the iron storage box 24 form a rotating mechanism through a cylindrical shaft mounted on the side of the top end, and the mounting plate 25 can be opened and closed in a rotating mode through the structural design.
The card seat 27 is in a C shape in front view, the card seat 27 is made of polyvinyl chloride, and the card seat 27 has certain elasticity due to the structural design, so that the test connection line and the tool can be stably positioned and quickly taken out.
The working principle is as follows: when the device is used, firstly, the protective box cover 2 is rotated and opened to the state shown in figure 1, the protective box cover 2 drives the side cover 5 and the iron storage box 24 to rotate and separate from the side box 4, then the mounting plate 25 in figure 6 is rotated and opened anticlockwise, the mounting plate 25 drives the magnet 26 to separate from the iron storage box 24, and the test connecting line and the tool clamped on the clamping seat 27 are taken down;
then, a to-be-detected flow-sensitive primary current-limiting resonance eliminator is placed on the bottom surface of the side box 4 between the lower part of the upper positioning plate 12 and the 2 side positioning plates 22, then the operating shaft 6 in fig. 2 and 3 is rotated anticlockwise, the operating shaft 6 drives the driving gear 7 and the middle gear 8 to rotate simultaneously, the middle gear 8 drives the first driven gear 16 and the second driven gear 17 on two sides to rotate in the same speed and different directions, the first driven gear 16 and the second driven gear 17 respectively drive the first horizontal threaded rod 18 and the second horizontal threaded rod 19 to rotate in the same speed and different directions, the first horizontal threaded rod 18 and the second horizontal threaded rod 19 drive the movable plates 20 which are symmetrically distributed to drive the 2 groups of side positioning plates 22 and the insulating gaskets 23 to approach each other along the stabilizing grooves 21, and the 2 groups of side positioning plates 22 and the insulating gaskets 23 clamp and fix the flow-sensitive primary current-limiting resonance eliminator in the horizontal direction;
meanwhile, the driving gear 7 rotates counterclockwise along with the operating shaft 6 in fig. 5, the driving gear 7 drives the vertical plate 9 to drive the upper positioning plate 12 to move vertically and downwards, the upper positioning plate 12 drives the side bolt 13 to move vertically and downwards along the track window 15, the upper positioning plate 12 moves downwards to press and fix the flow-sensitive primary current-limiting resonance eliminator on the bottom surface of the side box 4, 2 sets of side positioning plates 22 and insulating gaskets 23 are matched to stably position and fix the flow-sensitive primary current-limiting resonance eliminator, the operating shaft 6 stops rotating, the extrusion nut 14 is screwed, the extrusion nut 14 and the upper positioning plate 12 press and fix the side wall of the side box 4, so that the positions of the upper positioning plate 12 and the side positioning plates 22 are fixed, the stability of the flow-sensitive primary current-limiting resonance eliminator is ensured, and because the upper positioning plate 12, the side positioning plates 22 and the insulating gaskets 23 are made of high-pressure-resistant insulating materials, the side positioning plate 22 and the insulating gasket 23 can bear high voltage generated in the test, and finally the tester body 3 is connected with the flow-sensitive primary current-limiting resonance eliminator through a connecting circuit to start the tester body 3 for testing;
after the first test is finished, the extrusion nut 14 is unscrewed and the operating shaft 6 is rotated reversely, the upper positioning plate 12 moves upwards for resetting, the 2 groups of side positioning plates 22 and the insulating gasket 23 are far away from the resetting, the limit fixing of the convection sensitive type first current-limiting harmonic eliminator is released, the connecting circuit is disconnected, the tested current sensitive type first current-limiting harmonic eliminator is taken out, the new current sensitive type first current-limiting harmonic eliminator is fixed and connected with the circuit according to the steps, the next test operation can be immediately carried out, and the working principle of the tester for the current sensitive type first current-limiting harmonic eliminator is realized.
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 (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315012.3A CN113075476A (en) | 2021-03-24 | 2021-03-24 | Flow sensitive tester for primary current limiting resonance eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315012.3A CN113075476A (en) | 2021-03-24 | 2021-03-24 | Flow sensitive tester for primary current limiting resonance eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113075476A true CN113075476A (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110315012.3A Pending CN113075476A (en) | 2021-03-24 | 2021-03-24 | Flow sensitive tester for primary current limiting resonance eliminator |
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| Country | Link |
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| CN112345953A (en) * | 2020-11-05 | 2021-02-09 | 北京国电光宇机电设备有限公司 | Internal resistance tester for storage battery |
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Application publication date: 20210706 |