CN215772518U - Leakage-free overvoltage protection device for transformer substation - Google Patents
Leakage-free overvoltage protection device for transformer substation Download PDFInfo
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- CN215772518U CN215772518U CN202121282290.5U CN202121282290U CN215772518U CN 215772518 U CN215772518 U CN 215772518U CN 202121282290 U CN202121282290 U CN 202121282290U CN 215772518 U CN215772518 U CN 215772518U
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- metal shell
- frame structure
- copper
- shell
- guide rod
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052802 copper Inorganic materials 0.000 claims abstract description 62
- 239000010949 copper Substances 0.000 claims abstract description 62
- 239000004033 plastic Substances 0.000 claims abstract description 60
- 229920003023 plastic Polymers 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model provides a leakage-free flowing voltage protection device for a transformer substation, which comprises a metal shell, a limiting guide rod, a movable contact frame structure, a contact spring, a limiting ring, a small electric cylinder, a mounting groove, a remote control frame structure, a hard plastic pipe, a fixed copper contact, a connecting copper sheet, a lead fixing bolt, a transparent protective cover, a rubber fixing plug and a lead mounting hole, wherein the limiting guide rod is respectively in screwed connection with the upper part and the lower part of the inner side of the metal shell; the movable contact frame structure is arranged at the lower part of the inner side of the metal shell. The utility model has the beneficial effects that: through the setting of plastics insulation board and small-size electric cylinder, be favorable to when the inboard voltage of wire is too big, lead electrical pillar and the separation of fixed copper contact with copper through small-size electric cylinder, small-size electric cylinder's power is great simultaneously, can prevent that copper from leading the electrical pillar and the adhesion appears after fixed copper contact uses for a long time.
Description
Technical Field
The utility model belongs to the technical field of overvoltage protection, and particularly relates to a leakage-free overvoltage protection device for a transformer substation.
Background
However, the existing leakage-free over-voltage protection device for the transformer substation also has the problems that when the voltage is too large, the contacts are not easily connected and adhered together to influence normal disconnection, the contacts are convenient to replace, and the operating voltage of a line cannot be monitored in real time.
Therefore, it is necessary to provide a leakage-free voltage protection device for a transformer substation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a leakage-free over-voltage protection device for a transformer substation, which is realized by the following technical scheme:
a leakage-free flowing voltage protection device for a transformer substation comprises a metal shell, a limiting guide rod, a movable contact frame structure, a contact spring, a limiting ring, a small electric cylinder, a mounting groove, a remote control frame structure, a hard plastic pipe, a fixed copper contact, a connecting copper sheet, a lead fixing bolt, a transparent protective cover, a rubber fixing plug and a lead mounting hole, wherein the limiting guide rod is respectively in screwed connection with the upper part and the lower part of the inner side of the metal shell; the movable contact frame structure is arranged at the lower part of the inner side of the metal shell; the contact spring is sleeved on the outer side of the limiting guide rod; the limiting ring is glued at the middle position of the outer side of the limiting guide rod; the small electric cylinders are respectively arranged at the upper part and the lower part of the inner side of the limiting guide rod, and the left side of the small electric cylinders is connected with the left side bolt in the metal shell; the mounting groove is formed in the upper portion of the inner side of the metal shell; the remote control frame structure is arranged on the upper part of the inner side of the metal shell; the hard plastic pipe is embedded in the lower part of the right side of the metal shell and is glued with the joint of the metal shell; the fixed copper contact is glued to the right side in the metal shell, and an insulating rubber pad is glued to the joint of the fixed copper contact and the metal shell; the connecting copper sheet is inserted into the lower part of the inner side of the hard plastic pipe, and the left side of the connecting copper sheet and the lower part of the right side of the fixed copper contact are integrally arranged; the lead fixing bolt is in threaded connection with the upper part of the inner side of the hard plastic pipe; the transparent protective cover is connected to the lower part of the right side of the metal shell through a bolt; the rubber fixing plug is inserted into the right side in the transparent protective cover; the lead mounting hole is formed in the left side of the interior of the metal shell; the movable contact frame structure comprises a plastic insulating plate, sliding through holes, a ceramic fixing pipe, a mounting bolt and a conveniently-disassembled connecting frame structure, wherein the sliding through holes are respectively formed in the upper part and the lower part of the inner side of the plastic insulating plate; the left side of the ceramic fixing tube is glued to the middle position of the inner side of the plastic insulating plate; the mounting bolt is in threaded connection with the left side of the front end of the ceramic fixing pipe; the conveniently-disassembled connecting frame structure is arranged on the left side of the inside of the ceramic fixing pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the plastic insulating plate and the small electric cylinder are arranged, so that the copper conductive column and the fixed copper contact can be separated through the small electric cylinder when the voltage on the inner side of the lead is overlarge, and meanwhile, the small electric cylinder has larger power, so that the copper conductive column and the fixed copper contact can be prevented from being adhered after being used for a long time.
2. According to the utility model, the arrangement of the limiting guide rod, the contact spring, the limiting ring and the sliding through hole is beneficial to limiting the moving position of the plastic insulating plate, and meanwhile, the copper conductive column and the fixed copper contact are kept in a closed state for a long time by matching with the elasticity of the contact spring.
3. According to the utility model, the ceramic fixing tube and the mounting bolt are arranged, so that a worker can conveniently detach the copper conductive column from the inner side of the ceramic fixing tube, the copper conductive column can be conveniently replaced or maintained, the service life of the copper conductive column is prolonged, and the service life of the device is prolonged.
4. According to the utility model, the arrangement of the limiting groove, the wire connecting bolt and the wire pressing block is beneficial to fixing the wire on the inner side of the metal connecting frame, and the fixing effect of the metal connecting frame on the wire is improved and the wire is prevented from being separated from the inner side of the metal connecting frame through the matching of the limiting groove and the wire pressing block.
5. According to the utility model, the arrangement of the insulating plastic shell and the screw mounting plate is beneficial to facilitating separation of the insulating plastic shell from the inner side of the mounting groove by workers, and maintenance of the signal processing chip, the voltage detection chip and the remote wireless transmission chip on the inner side of the insulating plastic shell is carried out, so that the maintenance cost is reduced.
6. According to the utility model, the arrangement of the signal processing chip, the voltage detection chip and the remote wireless transmission chip is beneficial to real-time monitoring of the voltage in the wire, and the remote wireless transmission chip is matched to transmit data to an external control room, and meanwhile, the signal processing chip and the voltage detection chip can timely cut off the power of the wire together with the small electric cylinder.
7. According to the utility model, the arrangement of the hard plastic pipe, the fixed copper contact, the connecting copper sheet and the lead fixing bolt is beneficial to facilitating workers to detach the fixed copper contact and the connecting copper sheet and replace the connecting copper sheet, so that the use cost of the device is saved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the moving contact frame structure of the present invention.
Fig. 3 is a schematic structural view of the easy-to-detach connecting frame structure of the present invention.
Fig. 4 is a schematic structural view of the remote control stand structure of the present invention.
In the figure:
1. a metal housing; 2. a limiting guide rod; 3. moving the contact frame structure; 31. a plastic insulating plate; 32. a slide through hole; 33. a ceramic fixing tube; 34. installing a bolt; 35. a connecting frame structure convenient to disassemble; 351. a conductive post made of copper; 352. a metal connecting frame; 353. a wire connecting groove; 354. a limiting groove; 355. a wire connecting bolt; 356. pressing the lead; 4. a contact spring; 5. a limiting ring; 6. a small electric cylinder; 7. mounting grooves; 8. a remote control rack structure; 81. an insulating plastic shell; 82. mounting a screw; 83. a signal processing chip; 84. a voltage detection chip; 85. a remote wireless transmission chip; 9. a rigid plastic tube; 10. fixing the copper contact; 11. connecting the copper sheets; 12. a wire fixing bolt; 13. a transparent protective cover; 14. a rubber fixing plug; 15. and a wire mounting hole.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and fig. 2, the leakage-free flowing voltage protection device for the transformer substation comprises a metal shell 1, a limiting guide rod 2, a movable contact frame structure 3, a contact spring 4, a limiting ring 5, a small electric cylinder 6, a mounting groove 7, a remote control frame structure 8, a hard plastic pipe 9, a fixed copper contact 10, a connecting copper sheet 11, a lead fixing bolt 12, a transparent protective cover 13, a rubber fixing plug 14 and a lead mounting hole 15, wherein the limiting guide rod 2 is respectively in screwed connection with the upper part and the lower part of the inner side of the metal shell 1; the movable contact frame structure 3 is arranged at the lower part of the inner side of the metal shell 1; the contact spring 4 is sleeved on the outer side of the limiting guide rod 2; the limiting ring 5 is glued at the middle position of the outer side of the limiting guide rod 2; the small electric cylinders 6 are respectively arranged at the upper part and the lower part of the inner side of the limiting guide rod 2, and the left side of the small electric cylinders is connected with the left side of the inner part of the metal shell 1 through bolts; the mounting groove 7 is formed in the upper portion of the inner side of the metal shell 1; the remote control frame structure 8 is arranged at the upper part of the inner side of the metal shell 1; the hard plastic pipe 9 is embedded in the lower part of the right side of the metal shell 1 and is glued with the joint of the metal shell 1; the fixed copper contact 10 is glued to the right side inside the metal shell 1, and an insulating rubber pad is glued to the joint of the fixed copper contact and the metal shell 1; the connecting copper sheet 11 is inserted into the lower part of the inner side of the hard plastic pipe 9, and the left side of the connecting copper sheet is integrally arranged with the lower part of the right side of the fixed copper contact 10; the lead fixing bolt 12 is in threaded connection with the upper part of the inner side of the hard plastic pipe 9; the transparent protective cover 13 is connected to the lower part of the right side of the metal shell 1 through bolts; the rubber fixing plug 14 is inserted into the right side of the inside of the transparent protective cover 13; the lead mounting hole 15 is formed in the left side of the interior of the metal shell 1; the movable contact frame structure 3 comprises a plastic insulating plate 31, a sliding through hole 32, a ceramic fixing pipe 33, a mounting bolt 34 and a conveniently-detached connecting frame structure 35, wherein the sliding through hole 32 is respectively arranged at the upper part and the lower part of the inner side of the plastic insulating plate 31; the left side of the ceramic fixing tube 33 is glued at the middle position of the inner side of the plastic insulating plate 31; the mounting bolt 34 is in threaded connection with the left side of the front end of the ceramic fixing pipe 33; the conveniently-disassembled connecting frame structure 35 is arranged on the left side of the inside of the ceramic fixing pipe 33; the contact spring 4 pushes the plastic insulation board 31 to move towards the right side, the plastic insulation board 31 moves outside the limiting guide rod 2, and the plastic insulation board 31 drives the easy-to-detach type connecting frame structure 35 to move through the ceramic fixing pipe 33, so that the easy-to-detach type connecting frame structure 35 and the hard plastic pipe 9 are closed for a long time.
As shown in fig. 3, in the above embodiment, specifically, the detachable connection frame structure 35 includes a copper conductive pillar 351, a metal connection frame 352, a conductive line connection groove 353, a limiting groove 354, a conductive line connection bolt 355, and a conductive line pressing block 356, where the metal connection frame 352 is integrally disposed at the left side of the copper conductive pillar 351; the opening of the wire connecting groove 353 is opened towards the left and arranged at the upper part of the inner side of the metal connecting frame 352; the limiting groove 354 is formed in the lower part of the inner side of the metal connecting frame 352, and the upper part of the inner side is communicated with the lower part of the inner side of the conducting wire connecting groove 353; the lead connecting bolt 355 is screwed on the upper part of the inner side of the metal connecting frame 352; the wire pressing block 356 is disposed inside the wire connecting groove 353, and the upper portion thereof is coupled to the lower portion of the wire connecting bolt 355; the other end of the wire is placed on the inner side of the wire connecting groove 353, the wire connecting bolt 355 is rotated, the wire connecting bolt 355 drives the wire pressing block 356 to move downwards, the wire is pushed to enter the inner side of the limiting groove 354, and the wire is fixed through the matching of the limiting groove 354 and the wire pressing block 356.
As shown in fig. 4, in the above embodiment, specifically, the remote control frame structure 8 includes an insulating plastic shell 81, a screw mounting plate 82, a signal processing chip 83, a voltage detection chip 84 and a remote wireless transmission chip 85, where the screw mounting plate 82 is integrally disposed on the upper portion of the insulating plastic shell 81; the signal processing chip 83, the voltage detection chip 84 and the remote wireless transmission chip 85 are respectively screwed on the inner side of the insulating plastic shell 81; through the detection of voltage detection chip 84, measure the voltage value of wire, pass through signal processing chip 83's processing back with the signal and pass through long-range wireless transmission chip 85 and give the external control room, when the voltage value was higher, signal processing chip 83 passed the signal to small-size electric cylinder 6, and small-size electric cylinder 6 drives plastic insulation board 31 and moves to the left side, makes copper lead electrical pillar 351 and fixed copper contact 10 separation.
In the above embodiment, specifically, the limiting guide rod 2 is inserted into the inner side of the sliding through hole 32, so that the plastic insulating plate 31 horizontally slides.
In the above embodiment, specifically, the left side of the contact spring 4 is tightly attached to the right side of the limiting ring 5, and the right side of the contact spring is tightly attached to the upper portion and the lower portion of the left side of the plastic insulating plate 31, so that the contacts of the device are normally closed by elastic force.
In the above embodiment, specifically, the conductive column 351 made of copper is inserted into the inner side of the ceramic fixing tube 33 to perform an insulating function.
In the above embodiment, specifically, the rear end of the mounting bolt 34 abuts against the left side of the front end of the copper conductive post 351 to fix the copper conductive post 351.
In the above embodiment, specifically, the right side of the output rod of the small electric cylinder 6 is respectively screwed with the upper and lower parts of the left side of the plastic insulating plate 31.
In the above embodiment, specifically, the rigid plastic tube 9 is disposed at the right part of the inner side of the limiting guide rod 2.
In the above embodiment, specifically, the insulating plastic casing 81 is inserted into the mounting groove 7.
In the above embodiment, specifically, the insulating plastic case 81 is disposed on the upper portion of the metal housing 1 and is screwed to the upper portion of the metal housing 1.
In the above embodiment, the detection end of the voltage detection chip 84 is electrically connected to the copper conductive post 351 through a conductive wire.
In the above embodiment, specifically, the voltage detection chip 84 and the remote wireless transmission chip 85 are electrically connected to the signal processing chip 83, respectively.
Principle of operation
The working principle of the utility model is as follows: when the device is used, one end of a lead is placed on the inner side of the hard plastic pipe 9, the lead fixing bolt 12 is rotated to enable the lead to be in close contact with the connecting copper sheet 11, the other end of the lead is placed on the inner side of the lead connecting groove 353, the lead connecting bolt 355 is rotated, the lead connecting bolt 355 drives the lead pressing block 356 to move downwards and pushes the lead to enter the inner side of the limiting groove 354, the lead is fixed through the matching of the limiting groove 354 and the lead pressing block 356, the contact spring 4 pushes the plastic insulating plate 31 to move towards the right side, the plastic insulating plate 31 drives the copper conductive post 351 to move through the ceramic fixing pipe 33, the copper conductive post 351 and the hard plastic pipe 9 are closed for a long time, current is conducted through the copper conductive post 351 and the hard plastic pipe 9, voltage value of the lead is measured through the detection of the voltage detection chip 84, a signal is sent to an external control room through the remote wireless transmission chip 85 after the processing of the signal processing chip 83, when the voltage value is higher, the signal processing chip 83 transmits a signal to the small electric cylinder 6, and the small electric cylinder 6 drives the plastic insulating plate 31 to move towards the left side, so that the copper conductive column 351 is separated from the fixed copper contact 10.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (7)
1. The leakage-free flowing voltage protection device for the transformer substation is characterized by comprising a metal shell (1), a limiting guide rod (2), a movable contact frame structure (3), a contact spring (4), a limiting ring (5), a small electric cylinder (6), a mounting groove (7), a remote control frame structure (8), a hard plastic pipe (9), a fixed copper contact (10), a connecting copper sheet (11), a lead fixing bolt (12), a transparent protective cover (13), a rubber fixing plug (14) and a lead mounting hole (15), wherein the limiting guide rod (2) is respectively in screwed connection with the upper part and the lower part of the inner side of the metal shell (1); the movable contact frame structure (3) is arranged at the lower part of the inner side of the metal shell (1); the contact spring (4) is sleeved on the outer side of the limiting guide rod (2); the limiting ring (5) is glued at the middle position of the outer side of the limiting guide rod (2); the small electric cylinders (6) are respectively arranged at the upper part and the lower part of the inner side of the limiting guide rod (2), and the left side of the small electric cylinders is connected with the left side of the inner part of the metal shell (1) through bolts; the mounting groove (7) is formed in the upper portion of the inner side of the metal shell (1); the remote control frame structure (8) is arranged at the upper part of the inner side of the metal shell (1); the hard plastic pipe (9) is embedded in the lower part of the right side of the metal shell (1) and is glued with the joint of the metal shell (1); the fixed copper contact (10) is glued to the right side in the metal shell (1), and an insulating rubber pad is glued to the joint of the fixed copper contact and the metal shell (1); the connecting copper sheet (11) is inserted into the lower part of the inner side of the hard plastic pipe (9), and the left side of the connecting copper sheet is integrally arranged with the lower part of the right side of the fixed copper contact (10); the lead fixing bolt (12) is in threaded connection with the upper part of the inner side of the hard plastic pipe (9); the transparent protective cover (13) is connected to the lower part of the right side of the metal shell (1) through bolts; the rubber fixing plug (14) is inserted into the right side of the inside of the transparent protective cover (13); the lead mounting hole (15) is formed in the left side of the interior of the metal shell (1); the movable contact frame structure (3) comprises a plastic insulating plate (31), a sliding through hole (32), a ceramic fixing pipe (33), a mounting bolt (34) and a conveniently-detached connecting frame structure (35), wherein the sliding through hole (32) is respectively formed in the upper part and the lower part of the inner side of the plastic insulating plate (31); the left side of the ceramic fixing tube (33) is glued at the middle position of the inner side of the plastic insulating plate (31); the mounting bolt (34) is in threaded connection with the left side of the front end of the ceramic fixing pipe (33); the conveniently-disassembled connecting frame structure (35) is arranged on the left side of the inside of the ceramic fixing pipe (33).
2. The leakage-free flowing voltage protection device for the transformer substation according to claim 1, wherein the detachable connecting frame structure (35) comprises a copper conductive column (351), a metal connecting frame (352), a conductive line connecting groove (353), a limiting groove (354), a conductive line connecting bolt (355) and a conductive line pressing block (356), wherein the metal connecting frame (352) is integrally arranged at the left side of the copper conductive column (351); the opening of the wire connecting groove (353) is opened towards the left at the upper part of the inner side of the metal connecting frame (352); the limiting groove (354) is formed in the lower portion of the inner side of the metal connecting frame (352), and the upper portion of the inner side of the limiting groove is communicated with the lower portion of the inner side of the conducting wire connecting groove (353); the lead connecting bolt (355) is in threaded connection with the upper part of the inner side of the metal connecting frame (352); the wire pressing block (356) is arranged at the inner side of the wire connecting groove (353), and the upper part of the wire pressing block is coupled with the lower part of the wire connecting bolt (355) in a shaft mode.
3. The leakage-free over-voltage protection device for the substation of claim 1, wherein the remote control frame structure (8) comprises an insulating plastic shell (81), a screw mounting plate (82), a signal processing chip (83), a voltage detection chip (84) and a remote wireless transmission chip (85), wherein the screw mounting plate (82) is integrally arranged on the upper part of the insulating plastic shell (81); the signal processing chip (83), the voltage detection chip (84) and the remote wireless transmission chip (85) are respectively connected to the inner side of the insulating plastic shell (81) through screws.
4. The leakage-free over-voltage protection device for the transformer substation as claimed in claim 1, wherein the limiting guide rod (2) is inserted into the inner side of the sliding through hole (32), the left side of the contact spring (4) is tightly attached to the right side of the limiting ring (5), and the right side of the contact spring is tightly attached to the upper portion and the lower portion of the left side of the plastic insulating plate (31).
5. The no-leakage current voltage protection device for the substation as claimed in claim 2, wherein the copper conductive column (351) is inserted inside the ceramic fixing tube (33), and the rear end of the mounting bolt (34) abuts against the left side of the front end of the copper conductive column (351).
6. The leakage-free over-voltage protection device for the transformer substation as claimed in claim 1, wherein the right side of the output rod of the small electric cylinder (6) is respectively in threaded connection with the upper part and the lower part of the left side of the plastic insulating plate (31), and the hard plastic pipe (9) is arranged at the right part of the inner side of the limiting guide rod (2).
7. The no-leakage-current voltage protection device for the substation of claim 3, wherein the insulating plastic shell (81) is inserted inside the mounting groove (7), and the insulating plastic shell (81) is arranged on the upper part of the metal outer shell (1) and is in screw connection with the upper part of the metal outer shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121282290.5U CN215772518U (en) | 2021-06-09 | 2021-06-09 | Leakage-free overvoltage protection device for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121282290.5U CN215772518U (en) | 2021-06-09 | 2021-06-09 | Leakage-free overvoltage protection device for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215772518U true CN215772518U (en) | 2022-02-08 |
Family
ID=80099958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121282290.5U Expired - Fee Related CN215772518U (en) | 2021-06-09 | 2021-06-09 | Leakage-free overvoltage protection device for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215772518U (en) |
-
2021
- 2021-06-09 CN CN202121282290.5U patent/CN215772518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |