CN113241536B - Three-phase relay protection safety ground structure - Google Patents
Three-phase relay protection safety ground structure Download PDFInfo
- Publication number
- CN113241536B CN113241536B CN202110425195.4A CN202110425195A CN113241536B CN 113241536 B CN113241536 B CN 113241536B CN 202110425195 A CN202110425195 A CN 202110425195A CN 113241536 B CN113241536 B CN 113241536B
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- grounding
- fixedly connected
- copper bar
- protective shell
- relay protection
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- 230000001681 protective effect Effects 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052802 copper Inorganic materials 0.000 claims abstract description 33
- 239000010949 copper Substances 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 230000002265 prevention Effects 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 17
- 241000883990 Flabellum Species 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/42—Clamping area to one side of screw only
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a three-phase relay protection safety grounding structure which comprises a protective shell, a fixing frame and a grounding copper bar, wherein an air cooling mechanism is fixedly connected to the top end of the protective shell, an anti-seepage mechanism is nested inside the protective shell, and a quick connection mechanism is fixedly connected to the top of the grounding copper bar. The invention relates to the field of three-phase relay protection. The earth copper bar generates heat when using, because the bottom of induced duct is in deep into the inboard of protective housing, hot air discharges the outside of striking at the second centrifugal fan blade through the induced duct, and the second centrifugal fan blade begins to rotate and draws out the inboard air of protective housing through the induced duct, and external cold air gets into the inboard of protective housing through the sieve, accomplishes the cooling protection of earth copper bar, avoids the insulating layer ageing acceleration of earth connection to lead to the condition emergence of earth security protection not enough. The problem that the existing three-phase relay protection safety grounding structure is free of cooling protection, water seepage prevention corrosion protection and inconvenient to install a grounding wire is solved.
Description
Technical Field
The invention relates to the field of three-phase relay protection, in particular to a three-phase relay protection safety grounding structure.
Background
The three-phase relay protection device is used for detecting faults or abnormal conditions occurring in a power system, and a grounding structure is required to maintain normal operation of the device.
The existing grounding mechanism uses copper bars and grounding wires to be fixed through bolts, and various problems exist in the outdoor use process. In the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the prior device has no cooling protection of the grounding bar in the use process, the grounding bar has a heating phenomenon in the grounding use process, the insulation layer of the grounding wire is aged and accelerated after long-term use, and the grounding safety protection is insufficient; 2. in the deployment and installation stage of the prior device, when the grounding wire is connected to the grounding bar, no water seepage prevention treatment exists, and external water easily permeates into the surface of the grounding bar along the outer side of the grounding wire, so that the corrosion of a metal structure of the prior device is accelerated; 3. the ground wire anchor point and the ground wire of the existing device are low in connection efficiency, and the problem of low connection efficiency of the ground wire exists.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a three-phase relay protection safety grounding structure, which solves the problems of no cooling protection, no water seepage corrosion protection and inconvenient installation of a grounding wire existing in the existing three-phase relay protection safety grounding structure.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a three-phase relay protection safety ground structure, includes protective housing, mount and ground connection copper bar, the top fixedly connected with forced air cooling mechanism of protective housing, the inboard nestification of protective housing has prevention of seepage mechanism, the top fixedly connected with of ground connection copper bar connects the mechanism soon.
The bottom joint of protective housing has the ground pin, the bottom surface fixed connection of ground connection copper bar is on the top of mount, the bottom fixed connection of mount is inboard of protective housing, the bottom surface welding of ground connection copper bar has the grounding rod.
Preferably, the top and bottom of the fixing frame are connected with fixing bolts in a threaded manner, and the number of the fixing frames is four.
Preferably, the air cooling mechanism comprises a bearing and an air guide pipe, wherein the outer ring of the bearing is fixedly clamped on the inner side of the top end of the protective shell, the top end of the air guide pipe penetrates through the inner side of the top end of the protective shell to the outer side, the inner ring of the bearing is fixedly clamped with a fixed shaft, the top end of the fixed shaft is fixedly connected with a top cover, and the top and the bottom of the top cover are respectively fixedly connected with a first centrifugal fan blade and a second centrifugal fan blade.
Preferably, the top cover is cone-shaped, and a vacuum heat insulation cavity is formed in the inner side of the top cover.
Preferably, the anti-seepage mechanism comprises a rotating shaft and a filter plate, the outer sides of the rotating shaft and the filter plate are nested on the inner side of the protective shell, an operation door is rotatably connected to the outer side of the rotating shaft, a wire ring is fixedly connected to the outer side of the operation door, a wire guide is arranged on the surface of the filter plate, and a ground wire is sleeved on the surface of the filter plate in a penetrating mode.
Preferably, the number of the wire loops is three, and the inner sides of the top ends of the three wire loops are fixedly connected with anti-slip rubber.
Preferably, the quick-connection mechanism comprises a lower clamping seat and a sliding rod, wherein the bottom of the lower clamping seat and the bottom of the sliding rod are fixedly connected to the top of the grounding copper bar, the outer side of the sliding rod is respectively sleeved with an upper clamping seat and a limiting spring, the bottom of the limiting spring is abutted to the top of the upper clamping seat, the middle of the top of the upper clamping seat is rotationally connected with a screw rod, the top of the sliding rod is fixedly connected with a top plate, the top of the screw rod penetrates through the bottom and the top of the top plate, and a mountain nut is connected to the outer side of the top of the screw rod in a threaded manner.
Preferably, the middle part of roof has seted up the slide hole, the bottom butt of roof is at limit spring's top.
Advantageous effects
The invention provides a three-phase relay protection safety grounding structure. Compared with the prior art, the method has the following beneficial effects:
(1) This three-phase relay protection safety ground connection structure passes through the protective housing, the mount, ground connection copper bar, forced air cooling mechanism, a bearing, the induced air pipe, the fixed axle, the top cap, first centrifugal flabellum, the cooling protection of device ground connection copper bar is accomplished to second centrifugal flabellum and filter plate, generate heat when the ground connection copper bar uses, because the bottom of induced air pipe is in depth to the inboard of protective housing, hot air quality is lighter than cold air, hot air is discharged through the windward pipe and is impacted in the outside of second centrifugal flabellum, this moment second centrifugal flabellum, first centrifugal flabellum, top cap and fixed axle begin to rotate, second centrifugal flabellum pivoted in-process is continuously through the air extraction of induced air pipe with the inboard outside of protective housing, external cold air gets into the inboard of protective housing through the sieve, accomplish the cooling protection of ground connection copper bar, avoid the insulating layer ageing acceleration of earth connection lead to the circumstances emergence of ground connection safety protection not enough.
(2) This three-phase relay protection safety ground structure accomplishes the prevention of seepage water protection of device through protective housing, the mount, ground connection copper bar, forced air cooling mechanism, a bearing, the induced air pipe, the fixed axle, the top cap, first centrifugal flabellum, the second centrifugal flabellum, prevention of seepage mechanism, the pivot, the filter plate, the operation door, the wire loop, the wire guide, the prevention of seepage water protection of device is accomplished to earth connection and quick connect mechanism, in the prevention of seepage water treatment of earth connection, through the use of wire loop and wire guide and quick connect mechanism, avoid external water directly to permeate the inboard of protective housing through the outside of earth connection, when the second centrifugal flabellum rotates the in-process with the inboard air of protective housing through the induced air pipe take out, the hot air is discharged the in-process of keeping away from the protective housing and is blown away from the peripheral aqueous vapor of protective housing, the top cap top end is blown away to the in the first centrifugal flabellum rotation in-process, reduce the probability of wetting of rainwater to the protective housing in the stormwater weather, improve the waterproof prevention effect of device, reduce the risk of device inboard corrosion, improve the service life of device.
(3) This three-phase relay protection safety ground connection structure accomplishes the device's earth connection quick connect operation through quick connect mechanism, lower cassette, slide bar, go up cassette, stop spring, screw rod, roof and mountain nut, with the top conflict of earth connection at the bottom of last cassette and the top of lower cassette, adjust the position that mountain nut changed the screw rod, accomplish the conflict between last cassette and lower cassette and the earth connection, improve the connection installation effectiveness of earth connection and ground connection copper bar, when mountain nut takes place unusual not hard up, through the use of stop spring, slide bar and roof, the position stability of going up the cassette is ensured, the condition emergence that the earth connection took place to drop with quick connect mechanism is avoided, improve the ground connection safety protection effect of the device.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left cross-sectional view of the structure of the present invention;
FIG. 3 is a top view of the grounding copper bar structure of the present invention;
FIG. 4 is a perspective view of the upper cartridge structure of the present invention;
FIG. 5 is a perspective view of the structure of the air duct of the present invention;
FIG. 6 is a top plan view of the roof construction of the present invention;
FIG. 7 is a bottom view of the top cover structure of the present invention;
fig. 8 is a front view of the structure of the quick connect mechanism of the present invention.
In the figure: 1. a protective shell; 2. a fixing frame; 3. a grounding copper bar; 4. an air cooling mechanism; 41. a bearing; 42. an air guiding pipe; 43. a fixed shaft; 44. a top cover; 45. a first centrifugal fan blade; 46. a second centrifugal fan blade; 5. an anti-seepage mechanism; 51. a rotating shaft; 52. a filter plate; 53. an operation door; 54. a wire loop; 55. a wire guide; 56. a ground wire; 6. a quick connection mechanism; 61. a lower clamping seat; 62. a slide bar; 63. an upper clamping seat; 64. a limit spring; 65. a screw; 66. a top plate; 67. a chevron nut; 7. ground nails; 8. a grounding rod.
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.
Referring to fig. 1-8, a three-phase relay protection safety grounding structure comprises a protection shell 1, a fixing frame 2 and a grounding copper bar 3, wherein an air cooling mechanism 4 is fixedly connected to the top end of the protection shell 1, an anti-seepage mechanism 5 is nested on the inner side of the protection shell 1, and a quick connection mechanism 6 is fixedly connected to the top of the grounding copper bar 3.
The bottom joint of protective housing 1 has ground pin 7, and the bottom surface fixed connection of ground connection copper bar 3 is on the top of mount 2, and the inboard of protective housing 1 is connected to the bottom fixed connection of mount 2, and the bottom surface welding of ground connection copper bar 3 has ground rod 8.
In the invention, the top end and the bottom end of the fixing frame 2 are both in threaded connection with fixing bolts, and the number of the fixing frames 2 is four.
In the invention, an air cooling mechanism 4 comprises a bearing 41 and an air guiding pipe 42, wherein the outer ring of the bearing 41 is fixedly clamped on the inner side of the top end of a protective shell 1, the top end of the air guiding pipe 42 penetrates through the inner side to the outer side of the top end of the protective shell 1, the inner ring of the bearing 41 is fixedly clamped with a fixed shaft 43, the top end of the fixed shaft 43 is fixedly connected with a top cover 44, and the top and the bottom of the top cover 44 are respectively fixedly connected with a first centrifugal fan blade 45 and a second centrifugal fan blade 46.
It should be noted that, when the second centrifugal fan blade 46 rotates to draw out the air inside the protective housing 1 through the air guiding pipe 42, the hot air is discharged and is kept away from the peripheral aqueous vapor of the protective housing 1 in the process of the protective housing 1, and the first centrifugal fan blade 45 rotates to blow off the aqueous vapor on the top end of the top cover 44, so that in heavy rain, the wetting probability of rainwater to the protective housing 1 is reduced, and the waterproof and anti-seepage protection effect of the device is improved.
In the invention, the top cover 44 is cone-shaped, and a vacuum heat insulation cavity is arranged on the inner side of the top cover 44.
When the second centrifugal fan 46 draws out the hot air inside the protective case 1 through the air intake duct 42, the top cover 44 cooperates with the second centrifugal fan 46 to blow out the hot air from the bottom edge of the top cover 44.
In the invention, the seepage prevention mechanism 5 comprises a rotating shaft 51 and a filter plate 52, wherein the outer sides of the rotating shaft 51 and the filter plate 52 are nested at the inner side of the protective shell 1, an operation door 53 is rotatably connected at the outer side of the rotating shaft 51, a wire ring 54 is fixedly connected at the outer side of the operation door 53, a wire guide 55 is arranged on the surface of the filter plate 52, and a grounding wire 56 is sleeved on the surface of the filter plate 52 in a penetrating way. By using the wire loop 54, the wire hole 55 and the quick-connect mechanism 6, external water is prevented from directly penetrating into the inner side of the protective case 1 through the outer side of the ground wire 56.
In the present invention, the number of wire loops 54 is three, and the inner sides of the top ends of the three wire loops 54 are fixedly connected with anti-slip rubber.
In the invention, the quick connection mechanism 6 comprises a lower clamping seat 61 and a sliding rod 62, wherein the bottom end of the lower clamping seat 61 and the bottom end of the sliding rod 62 are fixedly connected to the top of the grounding copper bar 3, an upper clamping seat 63 and a limiting spring 64 are sleeved outside the sliding rod 62 in a penetrating manner respectively, the bottom end of the limiting spring 64 is abutted to the top of the upper clamping seat 63, a screw rod 65 is rotatably connected to the middle part of the top end of the upper clamping seat 63, the top end of the sliding rod 62 is fixedly connected with a top plate 66, the top end of the screw rod 65 penetrates through the bottom and the top of the top plate 66, and a mountain-shaped nut 67 is connected to the outer side of the top end of the screw rod 65 in a threaded manner. It should be noted that, the top end of the grounding wire 56 is abutted against the bottom of the upper clamping seat 63 and the top of the lower clamping seat 61, the mountain-shaped nut 67 is adjusted to change the position of the screw 65, the abutting between the upper clamping seat 63 and the lower clamping seat 61 and the grounding wire 56 is completed, the connection installation efficiency of the grounding wire 56 and the grounding copper bar 3 is improved, when the mountain-shaped nut 67 is abnormally loosened, the position stability of the upper clamping seat 63 is ensured through the use of the limiting spring 64, the sliding rod 62 and the top plate 66, the falling of the grounding wire 56 and the quick connection mechanism 6 is avoided, and the grounding safety protection effect of the device is improved.
In the invention, a slide hole is formed in the middle of the top plate 66, and the bottom of the top plate 66 is abutted against the top end of the limit spring 64.
During the use, accomplish the connection of ground connection copper bar 3 and protective housing 1 through mount 2, through inserting ground pin 7 and earth bar 8 ground connection processing and protective housing 1 fixed of ground connection copper bar 3 are accomplished, pass wire loop 54 and wire hole 55 in proper order with earth connection 56 and get into the inboard of protective housing 1, the top of earth connection 56 is contradicted in the bottom of last cassette 63 and the top of lower cassette 61, adjust the position of chevron nut 67 and change screw 65, accomplish the conflict between last cassette 63 and lower cassette 61 and earth connection 56, when chevron nut 67 takes place abnormal loose, use through spacing spring 64, slide bar 62 and roof 66 ensures the position stability of going up cassette 63, avoid earth connection 56 and quick-connect mechanism 6 to take place the condition emergence that drops.
The grounding copper bar 3 heats when in use, as the bottom end of the air guiding pipe 42 goes deep into the inner side of the protective shell 1, the hot air is lighter than cold air, the hot air is discharged through the windward pipe and impacted on the outer side of the second centrifugal fan blade 46, at the moment, the second centrifugal fan blade 46, the first centrifugal fan blade 45, the top cover 44 and the fixed shaft 43 start to rotate, the air on the inner side of the protective shell 1 is continuously pumped out to the outer side of the protective shell 1 through the air guiding pipe 42 in the rotating process of the second centrifugal fan blade 46, and the external cold air enters the inner side of the protective shell 1 through the sieve plate, so that the cooling protection of the grounding copper bar 3 is completed;
in the water seepage prevention treatment of the grounding wire 56, through the use of the wire ring 54, the wire hole 55 and the quick connection mechanism 6, external water is prevented from directly penetrating into the inner side of the protective shell 1 through the outer side of the grounding wire 56, and when the air in the inner side of the protective shell 1 is pumped out through the air guiding pipe 42 in the rotation process of the second centrifugal fan blade 46, hot air is discharged and water vapor around the protective shell 1 is blown away in the process of being far away from the protective shell 1, so that the water seepage prevention protection effect of the device is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (5)
1. The utility model provides a three-phase relay protection safety ground structure, includes protective housing (1), mount (2) and ground connection copper bar (3), its characterized in that: the top end of the protective shell (1) is fixedly connected with an air cooling mechanism (4), an anti-seepage mechanism (5) is nested at the inner side of the protective shell (1), and a quick connection mechanism (6) is fixedly connected to the top of the grounding copper bar (3);
the bottom end of the protective shell (1) is clamped with a grounding nail (7), the bottom surface of the grounding copper bar (3) is fixedly connected to the top end of the fixing frame (2), the bottom end of the fixing frame (2) is fixedly connected to the inner side of the protective shell (1), and the bottom surface of the grounding copper bar (3) is welded with a grounding rod (8);
the air cooling mechanism (4) comprises a bearing (41) and an air guide pipe (42), wherein the outer ring of the bearing (41) is fixedly clamped on the inner side of the top end of the protective shell (1), the top end of the air guide pipe (42) penetrates through the inner side of the top end of the protective shell (1) to the outer side, the inner ring of the bearing (41) is fixedly clamped with a fixed shaft (43), the top end of the fixed shaft (43) is fixedly connected with a top cover (44), the top of the top cover (44) is fixedly connected with a first centrifugal fan blade (45), and the bottom of the top cover (44) is fixedly connected with a second centrifugal fan blade (46);
the anti-seepage mechanism (5) comprises a rotating shaft (51) and a filter plate (52), wherein the outer sides of the rotating shaft (51) and the filter plate (52) are nested inside the protective shell (1), an operation door (53) is rotatably connected to the outer side of the rotating shaft (51), a wire ring (54) is fixedly connected to the outer side of the operation door (53), a wire guide (55) is formed in the surface of the filter plate (52), and a grounding wire (56) is sleeved on the surface of the filter plate (52);
quick connect mechanism (6) including lower cassette (61) and slide bar (62), the bottom of lower cassette (61) and the top of the equal fixed connection of bottom of slide bar (62) at ground connection copper bar (3), the cover has cassette (63) and spacing spring (64) in the outside of slide bar (62) respectively, the top at last cassette (63) is contradicted to the bottom of spacing spring (64), the top middle part swivelling joint of last cassette (63) has screw rod (65), the top fixedly connected with roof (66) of slide bar (62), the bottom and the top at roof (66) are run through on the top of screw rod (65), the top outside threaded connection of screw rod (65) has mountain nut (67).
2. The three-phase relay protection safety grounding structure according to claim 1, wherein: the fixing frame is characterized in that the top end and the bottom end of the fixing frame (2) are connected with fixing bolts in a threaded mode, and the number of the fixing frames (2) is four.
3. The three-phase relay protection safety grounding structure according to claim 1, wherein: the top cover (44) is cone-shaped in appearance, and a vacuum heat insulation cavity is formed in the inner side of the top cover (44).
4. The three-phase relay protection safety grounding structure according to claim 1, wherein: the number of the wire loops (54) is three, and anti-skid rubber is fixedly connected to the inner sides of the top ends of the three wire loops (54).
5. The three-phase relay protection safety grounding structure according to claim 1, wherein: the middle part of roof (66) has seted up the slide hole, the bottom butt of roof (66) is at the top of spacing spring (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425195.4A CN113241536B (en) | 2021-04-20 | 2021-04-20 | Three-phase relay protection safety ground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425195.4A CN113241536B (en) | 2021-04-20 | 2021-04-20 | Three-phase relay protection safety ground structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113241536A CN113241536A (en) | 2021-08-10 |
| CN113241536B true CN113241536B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110425195.4A Active CN113241536B (en) | 2021-04-20 | 2021-04-20 | Three-phase relay protection safety ground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113241536B (en) |
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| KR20070042315A (en) * | 2005-10-18 | 2007-04-23 | 한국전력공사 | A ground rod and connection sleeve filled with compound of electric comduction |
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| CN208478905U (en) * | 2018-08-07 | 2019-02-05 | 中国电建集团青海省电力设计院有限公司 | Grounding copper bar in a kind of substation's electrical secondary equipment screen cabinet |
| CN109314325A (en) * | 2016-06-06 | 2019-02-05 | 菲尼克斯电气公司 | Contact device for making the shielded conductor of conductor wire with being grounded segments contact |
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| CN211182929U (en) * | 2019-12-26 | 2020-08-04 | 中骏智能电气科技股份有限公司 | High-voltage switch cabinet structure |
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| CN212626108U (en) * | 2020-08-06 | 2021-02-26 | 河北天驰网络科技有限公司 | Indoor grounding copper bar |
| CN212991583U (en) * | 2020-07-29 | 2021-04-16 | 河南创民电气科技有限公司 | Grounding device for low-voltage power distribution cabinet |
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| CN109314325A (en) * | 2016-06-06 | 2019-02-05 | 菲尼克斯电气公司 | Contact device for making the shielded conductor of conductor wire with being grounded segments contact |
| WO2018086561A1 (en) * | 2016-11-12 | 2018-05-17 | 上海天灵开关厂有限公司 | Gas-insulated bus grounding component, grounding device and gas-insulated switch cabinet |
| CN107265803A (en) * | 2017-07-14 | 2017-10-20 | 童红妃 | A kind of environmentally friendly mud highly effective and safe processing unit |
| CN208478905U (en) * | 2018-08-07 | 2019-02-05 | 中国电建集团青海省电力设计院有限公司 | Grounding copper bar in a kind of substation's electrical secondary equipment screen cabinet |
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| CN209016452U (en) * | 2018-11-01 | 2019-06-21 | 昆明耀龙电气有限公司 | A kind of fixed shockproof integrated high voltage switchgear |
| CN210046791U (en) * | 2019-04-29 | 2020-02-11 | 湖南海燕电气有限公司 | Hydraulic pressure cold press convenient to ejection of compact |
| CN110349745A (en) * | 2019-05-20 | 2019-10-18 | 湖南俊宇电子科技有限公司 | A kind of bobbin winder device of square iron core inductor |
| CN211351259U (en) * | 2019-11-18 | 2020-08-25 | 辽宁坤创电力科技有限公司 | Power distribution cabinet grounding device for intelligent substation relay protection |
| CN210838460U (en) * | 2019-12-19 | 2020-06-23 | 无锡市福莱特电气有限公司 | Intelligent explosion-proof control cabinet grounding system |
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| CN211955550U (en) * | 2020-04-16 | 2020-11-17 | 高洋 | Intelligent substation local relay protection test device |
| CN212086742U (en) * | 2020-06-27 | 2020-12-04 | 北京万寿伟业技术发展有限公司 | Control equipment box for industrial communication and industrial process |
| CN212991583U (en) * | 2020-07-29 | 2021-04-16 | 河南创民电气科技有限公司 | Grounding device for low-voltage power distribution cabinet |
| CN212626108U (en) * | 2020-08-06 | 2021-02-26 | 河北天驰网络科技有限公司 | Indoor grounding copper bar |
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