CN114200377B - Wireless polarity testing device for mutual inductor - Google Patents
Wireless polarity testing device for mutual inductor Download PDFInfo
- Publication number
- CN114200377B CN114200377B CN202111394115.XA CN202111394115A CN114200377B CN 114200377 B CN114200377 B CN 114200377B CN 202111394115 A CN202111394115 A CN 202111394115A CN 114200377 B CN114200377 B CN 114200377B
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides a wireless polarity testing device for a transformer. The wireless polarity testing device of the transformer comprises testing equipment, binding posts, a transformer device and binding posts, wherein the surface of the testing equipment is provided with a placing box, a sliding seat is arranged in the placing box in a sliding manner, a guide rod is arranged on the lower surface of the sliding seat, a clamping plate is connected to the surface of the sliding seat in a sliding manner, the wireless polarity testing device of the transformer is used by matching the clamping plate and a clamping mechanism with the sliding plate, the transformer device can be fixed on the sliding plate, the transformer device and the testing equipment can be kept in a relatively stable state by adjusting the position of the sliding plate, meanwhile, the binding posts are connected with the binding posts in a matching manner, the transformer device and the testing equipment are connected with each other in a convenient operation manner, and the connecting state between the binding posts and the binding posts can be kept by matching one-way tooth grooves on the surface of the toothed plates, so that stable connection between the transformer device and the testing equipment is ensured.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a wireless polarity testing device for a transformer.
Background
The mutual inductor is an instrument for measuring or protecting a power system, and is divided into a current mutual inductor and a voltage mutual inductor, when the mutual inductor is used, the relay protection device can have different polarity configuration requirements on the polarity of the mutual inductor, and when the polarity configuration of the mutual inductor is wrong, the damage of misoperation or refusal action of the protection device can be caused, so that the polarity of the mutual inductor needs to be tested before the mutual inductor is installed.
When the polarity of the transformer is tested, the primary side and the secondary side of the transformer are connected with the testing device through the lead wires, the transformer and the testing device are in a separated state, the transformer is inconvenient to be connected with the testing device, and meanwhile, when the transformer is connected with the testing device through the lead wires, the connection part is easy to move, the electrical connection is unstable in the testing process of the transformer, and the polarity testing result of the transformer can be affected.
Disclosure of Invention
In order to achieve the purpose of the wireless polarity testing device of the transformer, the invention is realized by the following technical scheme: the utility model provides a wireless polarity testing arrangement of mutual-inductor, includes test equipment, terminal, mutual-inductor device and connector lug, test equipment's surface is provided with places the box, the inside sliding connection who places the box has the slide, the lower surface of slide is provided with the guide bar, the surface sliding connection of slide has splint, the lower surface of splint is provided with clamping mechanism, the lower surface of slide is provided with locking mechanism, locking mechanism includes pinion rack, spacing ratch, unlocking lever and arch, the pinion rack is located the lower surface of slide, with spacing ratch looks adaptation, spacing ratch rotates with the internal surface of placing the box to be connected, the unlocking lever passes through arch and spacing ratch sliding connection.
Furthermore, the binding posts are distributed in the testing equipment and are in sliding connection with the testing equipment.
Furthermore, two binding posts are in a group, an adjusting slide plate is arranged between the two binding posts in the same group, and the adjusting slide plate is in sliding connection with the testing equipment and is simultaneously in sliding connection with the two binding posts on the surface of the testing equipment.
Further, the surface rotation of adjustment slide is connected with the boss, and the boss is located between two terminal in same group, is equipped with the connection bullet piece between two terminal in same group.
Further, a push plate is arranged on the side surface of the sliding seat, and a reset connecting rod is arranged on the lower surface of the sliding plate.
Furthermore, two connector lugs are in a group, and are matched with two connector lugs in the same group.
Further, the clamping mechanism comprises a screw rod and a threaded ring, and the threaded ring is positioned on the lower surface of the clamping plate.
Furthermore, the locking mechanisms are two groups and are symmetrically distributed on two sides of the lower surface of the sliding plate.
Further, the surface of the toothed plate is provided with uniform unidirectional tooth grooves, and one end of the limiting toothed bar, which is close to the toothed plate, is matched with the unidirectional tooth grooves on the surface of the toothed plate.
Further, the unlocking rod is in sliding connection with the side surface of the placement box, a reset spring is arranged between the unlocking rod and the placement box, the bulge is positioned on the surface of the unlocking rod, and the unlocking rod is in sliding connection with one end, far away from the toothed plate, of the limiting toothed bar.
Compared with the prior art, the invention has the following beneficial effects:
1. this wireless polarity testing arrangement of mutual-inductor uses through splint and clamping mechanism and the cooperation of slide, can fix mutual-inductor device on the slide, through the position of adjusting the slide, makes mutual-inductor device and test equipment keep relatively steady state, and the cooperation of connector lug and terminal of being convenient for simultaneously is connected convenient for between mutual-inductor device and the test equipment, and the cooperation of toothed plate surface unidirectional tooth groove and spacing rack is used, can make connector lug and terminal keep connected state, guarantees the stable connection between mutual-inductor device test in-process and the test equipment.
2. This wireless polarity testing arrangement of mutual-inductor through adjusting the cooperation of slide and terminal and the cooperation of flange and connection bullet piece, can adjust the position of terminal, is convenient for make the terminal be connected with the lug cooperation on the mutual-inductor device surface of different specifications, can realize carrying out polarity test operation to the mutual-inductor device of different specifications.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic top view of a second embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 2B according to the present invention;
fig. 5 is a schematic perspective view of the present invention.
In the figure: 1. a testing device; 11. binding posts; 2. placing a box; 3. a slide; 31. a push plate; 32. resetting the connecting rod; 33. a guide rod; 4. a mutual inductance device; 41. a connector lug; 5. a clamping plate; 51. a clamping mechanism; 6. adjusting the sliding plate; 7. a cam; 71. connecting the elastic piece; 8. a locking mechanism; 81. a toothed plate; 82. a limit toothed bar; 83. unlocking the rod; 831. a protrusion.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the wireless polarity test device of the mutual inductor is as follows:
referring to fig. 1-5, a wireless polarity test device for a transformer comprises a test device 1, a binding post 11, a transformer 4 and a binding post 41, wherein a placement box 2 is arranged on the surface of the test device 1 and used for placing the transformer 4, a sliding seat 3 is slidably connected in the placement box 2 and used for placing the transformer 4, meanwhile, the position of the transformer 4 is adjusted, a guide rod 33 is arranged on the lower surface of the sliding seat 3 and used for guiding movement of the sliding seat 3, and a clamping plate 5 is slidably connected on the surface of the sliding seat 3 and used for fixing the transformer 4 on the surface of the sliding seat 3.
The lower surface of splint 5 is provided with clamping mechanism 51 for adjust the position of splint 5, the lower surface of slide 3 is provided with locking mechanism 8, locking mechanism 8 includes pinion rack 81, spacing ratch 82, release lever 83 and arch 831, be used for restricting the removal of slide 3, pinion rack 81 is located the lower surface of slide 3, with spacing ratch 82 looks adaptation, spacing ratch 82 and pinion rack 81 meshing, be used for restricting the removal of slide 3, spacing ratch 82 is connected with the internal surface rotation of placing box 2, spacing ratch 82 and pinion rack 81 meshing, be used for restricting the removal of slide 3, release lever 83 passes through protruding 831 and spacing ratch 82 sliding connection, be used for driving spacing ratch 82 rotation.
Through the cooperation between the above-mentioned structure, available splint 5 and clamping mechanism 51 can fix mutual-inductance device 4 on the surface of slide 3, through the position of control slide 3, make mutual-inductance device 4 and test equipment 1 keep relatively steady state, the cooperation of connector lug 41 and terminal 11 of being convenient for is connected simultaneously, connect convenient operation between mutual-inductance device 4 and test equipment 1, the cooperation of toothed plate 81 surface one-way tooth's socket and spacing rack 82 can make connector lug 41 and terminal 11 keep connected state, guarantee the stability of being connected between mutual-inductance device 4 test in-process and the test equipment 1.
The binding posts 11 are distributed inside the testing device 1 and are in sliding connection with the testing device 1, so that the binding posts 11 can be in an adjustable moving state, and the binding posts 11 can be conveniently corresponding to the binding posts 41.
The two binding posts 11 are in a group, an adjusting slide plate 6 is arranged between the two binding posts 11 in the same group, the adjusting slide plate 6 is in sliding connection with the testing equipment 1, and meanwhile the adjusting slide plate is in sliding connection with the two binding posts 11 on the surface of the testing equipment and is used for adjusting the positions of the two binding posts 11 in the same group.
The surface rotation of adjusting slide 6 is connected with boss 7, and boss 7 is located between two terminal 11 in same group, is equipped with between two terminal 11 in same group and connects bullet piece 71 for adjust the distance between two terminal 11 in same group.
The side surface of the sliding seat 3 is provided with a push plate 31 for pushing the sliding seat 3 to move, and the lower surface of the sliding seat 3 is provided with a reset connecting rod 32 for driving the sliding seat 3 to reset.
The two connector lugs 41 are arranged in a group, are matched with the two connector lugs 11 in the same group and are used for connecting the mutual inductance device 4 and the testing equipment 1.
The clamping mechanism 51 internally comprises a screw and a threaded ring, the threaded ring is positioned on the lower surface of the clamping plate 5 and used for adjusting the position of the clamping plate 5, and the mutual inductor 4 is fixed on the surface of the sliding seat 3 by the clamping plate 5.
The locking mechanisms 8 are provided with two groups and are symmetrically distributed on two sides of the lower surface of the sliding seat 3 and used for limiting the movement of the sliding seat 3, so that the stability of the matched connection between the connector lug 41 and the binding post 11 is ensured.
The surface of the toothed plate 81 is provided with uniform unidirectional tooth grooves, one end of the limiting toothed bar 82, which is close to the toothed plate 81, is matched with the unidirectional tooth grooves on the surface of the toothed plate 81, and the limiting toothed bar 82 is matched with the toothed plate 81 and used for limiting the movement of the sliding seat 3.
The unlocking rod 83 is slidably connected with the side surface of the placement box 2, a reset spring is arranged between the unlocking rod 83 and the placement box 2 and used for enabling the limiting toothed bar 82 to rotate by driving the protrusion 831 to move, the protrusion 831 is located on the surface of the unlocking rod 83 and slidably connected with one end, far away from the toothed plate 81, of the limiting toothed bar 82 and used for driving the limiting toothed bar 82 to rotate.
When the device is used, the mutual inductor 4 is placed on the surface of the sliding seat 3, the screw rod inside the clamping mechanism 51 is rotated through the related driving equipment, the clamping plates 5 are driven to move by utilizing the threaded engagement of the screw rod and the threaded ring, the clamping plates 5 are matched with each other, the mutual inductor 4 is fixed on the surface of the sliding seat 3, the sliding seat 3 is driven to move in the box 2 by pushing the push plate 31, and the sliding seat 3 drives the mutual inductor 4 to move towards the testing equipment 1.
Through removing adjustment slide 6, can drive two terminal 11 in the same group and remove, through rotating boss 7, boss 7 cooperates with connecting bullet 71, can adjust the distance between two terminal 11 in the same group, adjusts terminal 11's position according to the connector lug 41 on mutual-inductance device 4 surface, when mutual-inductance device 4 moves to the direction of test equipment 1, makes connector lug 41 and terminal 11 cooperate together.
When the sliding seat 3 moves, the toothed plate 81 is driven to move, the toothed plate 81 moves towards the direction of the limiting toothed bar 82, when the unidirectional tooth grooves on the surface of the toothed plate 81 are matched with the limiting toothed bar 82, the limiting toothed bar 82 is meshed with the unidirectional tooth grooves on the surface of the toothed plate 81, the sliding seat 3 can be limited to move reversely, but when the connector lug 41 is matched with the binding post 11, the limiting toothed bar 82 is meshed with the toothed plate 81, so that the connector lug 41 and the binding post 11 are in a matched state, and stable connection between the connector lug 41 and the binding post 11 is guaranteed.
At this time, the testing equipment 1 can be adjusted, the primary side and the secondary side of the mutual inductor 4 are connected, the polarity test is performed on the mutual inductor 4, after the polarity test of the mutual inductor 4 is completed, the unlocking rod 83 is pushed, the unlocking rod 83 can drive the protrusion 831 to move, and the protrusion 831 can drive the limiting toothed bar 82 to rotate, so that the limiting toothed bar 82 is separated from the unidirectional tooth grooves on the surface of the toothed plate 81, the sliding seat 3 can move in the direction away from the testing equipment 1 under the action of the reset connecting rod 32, meanwhile, the connector lug 41 is separated from the binding post 11, then the clamping mechanism 51 is utilized to adjust the position of the clamping plate 5, and the mutual inductor 4 is taken down from the surface of the sliding seat 3.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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)
1. The utility model provides a wireless polarity testing arrangement of mutual-inductor, includes test equipment (1), terminal (11), mutual-inductor device (4) and connector lug (41), its characterized in that: the surface of test equipment (1) is provided with places box (2), the inside sliding connection who places box (2) has slide (3), the lower surface of slide (3) is provided with guide bar (33), the surface sliding connection of slide (3) has splint (5), the lower surface of splint (5) is provided with clamping mechanism (51), the lower surface of slide (3) is provided with locking mechanism (8), locking mechanism (8) include pinion rack (81), spacing pinion rack (82), release lever (83) and arch (831), pinion rack (81) are located the lower surface of slide (3), with spacing pinion rack (82) looks adaptation, spacing pinion rack (82) are connected with the internal surface rotation of placing box (2), release lever (83) are through protruding (831) and spacing pinion rack (82) sliding connection;
two binding posts (11) are in a group, an adjusting slide plate (6) is arranged between the two binding posts (11) in the same group, the adjusting slide plate (6) is in sliding connection with the test equipment (1) and is simultaneously in sliding connection with the two binding posts (11) on the surface of the test equipment;
the surface rotation of adjustment slide (6) is connected with flange (7), and flange (7) are located between two terminal (11) in same group, are equipped with between two terminal (11) in same group and connect bullet piece (71).
2. The transformer wireless polarity test device of claim 1, wherein: the binding posts (11) are distributed in the testing equipment (1) and are in sliding connection with the testing equipment (1).
3. The transformer wireless polarity test device of claim 1, wherein: the side surface of the sliding seat (3) is provided with a push plate (31), and the lower surface of the sliding plate (3) is provided with a reset connecting rod (32).
4. The transformer wireless polarity test device of claim 1, wherein: the two connector lugs (41) are in a group and are matched with the two connector lugs (11) in the same group.
5. The transformer wireless polarity test device of claim 1, wherein: the clamping mechanism (51) comprises a screw rod and a threaded ring, and the threaded ring is positioned on the lower surface of the clamping plate (5).
6. The transformer wireless polarity test device of claim 1, wherein: the locking mechanisms (8) are two groups and are symmetrically distributed on two sides of the lower surface of the sliding seat (3).
7. The transformer wireless polarity test device of claim 1, wherein: the surface of the toothed plate (81) is provided with uniform unidirectional tooth grooves, and one end of the limiting toothed bar (82) close to the toothed plate (81) is matched with the unidirectional tooth grooves on the surface of the toothed plate (81).
8. The transformer wireless polarity test device of claim 1, wherein: the unlocking rod (83) is in sliding connection with the side surface of the placement box (2), a reset spring is arranged between the unlocking rod and the placement box (2), the protrusion (831) is located on the surface of the unlocking rod (83), and one end, far away from the toothed plate (81), of the limiting toothed bar (82) is in sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394115.XA CN114200377B (en) | 2021-11-23 | 2021-11-23 | Wireless polarity testing device for mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394115.XA CN114200377B (en) | 2021-11-23 | 2021-11-23 | Wireless polarity testing device for mutual inductor |
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| Publication Number | Publication Date |
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| CN114200377A CN114200377A (en) | 2022-03-18 |
| CN114200377B true CN114200377B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111394115.XA Active CN114200377B (en) | 2021-11-23 | 2021-11-23 | Wireless polarity testing device for mutual inductor |
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| CN114200377A (en) | 2022-03-18 |
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