CN113241536A - Three-phase relay protection safety grounding structure - Google Patents
Three-phase relay protection safety grounding structure Download PDFInfo
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- CN113241536A CN113241536A CN202110425195.4A CN202110425195A CN113241536A CN 113241536 A CN113241536 A CN 113241536A CN 202110425195 A CN202110425195 A CN 202110425195A CN 113241536 A CN113241536 A CN 113241536A
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- relay protection
- fixedly connected
- copper bar
- phase relay
- protective housing
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- 230000001681 protective effect Effects 0.000 claims abstract description 59
- 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 16
- 230000002265 prevention Effects 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 241000883990 Flabellum Species 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000009736 wetting Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
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- 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
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 the top end of the protective shell is fixedly connected with an air cooling mechanism, the inner side of the protective shell is nested with an anti-seepage mechanism, and the top of the grounding copper bar is fixedly connected with a quick connection mechanism. The invention relates to the field of three-phase relay protection. Generate heat when the ground connection copper bar uses, because the inboard of protective housing is deepened to the bottom of induced duct, the outside at the centrifugal flabellum of second is strikeed through meeting the tuber pipe discharge to the hot-air, and the centrifugal flabellum of second begins to rotate and takes out the inboard air of protective housing through the induced duct, and the inboard that the sieve got into the protective housing is passed through to external cold air, accomplishes the cooling protection of ground connection copper bar, avoids the insulating layer of earth connection ageing to lead to the not enough condition of ground connection safety protection with higher speed to take place. The problem of current three-phase relay protection safety grounding structure have not had cooling protection, do not have prevention of seepage water corrosion protection and earth connection installation inconvenience is solved to this.
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 detects a fault or an abnormal condition occurring in an electric power system, and needs to maintain a normal operation of the device using a grounding structure.
The existing grounding mechanism uses copper bars to be fixed with a grounding wire through bolts, and has a plurality of problems in the outdoor use process. In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the existing 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 insulating layer of the grounding wire is accelerated to age after long-term use, and the grounding safety protection is insufficient; 2. in the stage of deployment and installation of the conventional device, when the grounding wire is connected to the grounding bar, no water seepage prevention treatment is performed, and external water easily seeps into the surface of the grounding bar along the outer side of the grounding wire, so that the corrosion of the metal structure of the conventional 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 prevention corrosion protection and inconvenient installation of a grounding wire of the conventional three-phase relay protection safety grounding structure.
In order to achieve the 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 air cooling mechanism of protective housing, the inboard nestification of protective housing has the 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 nail, the bottom surface fixed connection of ground connection copper bar is on the top of mount, the bottom fixed connection of mount is in the inboard of protective housing, the bottom surface welding of ground connection copper bar has the earth bar.
Preferably, the top and the bottom of mount all threaded connection have fixing bolt, the quantity of mount is four.
Preferably, the forced air cooling mechanism includes bearing and induced duct, the outer lane fixed joint of bearing is inboard at the top of protective housing, the top of induced duct runs through at the top of protective housing inboard to the outside, the inner circle fixed joint of bearing has the fixed axle, fixed axle top fixedly connected with top cap, the top and the bottom of top cap are the first centrifugal fan blade of fixedly connected with and the second centrifugal fan blade respectively.
Preferably, the top cover is in a conical barrel shape, and a vacuum heat insulation cavity is formed in the inner side of the top cover.
Preferably, the anti-seepage mechanism includes pivot and filter plate, the outside of pivot and filter plate is all nested in the inboard of protective housing, the outside swivelling joint of pivot has the operation door, the outside fixedly connected with lead ring of operation door, the wire guide has been seted up on the surface of filter plate, the surface of filter plate is worn to overlap and is had the earth connection.
Preferably, the number of the lead rings is three, and the inner sides of the top ends of the three lead rings are fixedly connected with anti-slip rubber.
Preferably, the quick-connecting mechanism comprises a lower clamping seat and a sliding rod, the bottom end of the lower clamping seat and the bottom end of the sliding rod are fixedly connected to the top of the grounding copper bar, an upper clamping seat and a limiting spring are sleeved on the outer side of the sliding rod in a penetrating mode respectively, the bottom end of the limiting spring abuts against the top of the upper clamping seat, a screw rod is rotatably connected to the middle of the top end of the upper clamping seat, a top plate is fixedly connected to the top end of the sliding rod, the top end of the screw rod penetrates through the bottom and the top of the top plate, and a mountain-shaped nut is in threaded connection with the outer side of the top end of the screw rod.
Preferably, the middle part of the top plate is provided with a sliding hole, and the bottom of the top plate is abutted against the top end of the limiting spring.
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) the three-phase relay protection safety grounding structure completes the cooling protection of the device on the grounding copper bar through a protective shell, a fixed frame, the grounding copper bar, an air cooling mechanism, a bearing, an induced duct, a fixed shaft, a top cover, a first centrifugal fan blade, a second centrifugal fan blade and a filter plate, the grounding copper bar generates heat when in use, because the bottom of induced duct gos deep into the inboard of protective housing, the hot-air quality is lighter than the cold air, the hot air strikes in the outside of second centrifugal flabellum through meeting the tuber pipe discharge, second centrifugal flabellum this moment, first centrifugal flabellum, top cap and fixed axle begin to rotate, second centrifugal flabellum pivoted in-process lasts and takes out the inboard air of protective housing to the outside of protective housing through the induced duct, external cold air passes through the inboard that the sieve got into the protective housing, accomplish the cooling protection of ground connection copper bar, avoid the insulating layer of earth connection ageing to lead to the emergence of the not enough condition of ground connection safety protection with higher speed.
(2) The three-phase relay protection safety grounding structure finishes the water seepage prevention protection of the device through a protective shell, a fixing frame, a grounding copper bar, an air cooling mechanism, a bearing, an induced duct, a fixing shaft, a top cover, a first centrifugal fan blade, a second centrifugal fan blade, a seepage prevention mechanism, a rotating shaft, a filter plate, an operation door, a lead ring, a wire hole, a grounding wire and a quick connection mechanism, avoids external water from directly permeating the inner side of the protective shell through the outer side of the grounding wire by using the lead ring, the wire hole and the quick connection mechanism in the water seepage prevention treatment of the grounding wire, hot air is discharged to be far away from the protective shell to blow away water around the protective shell when air on the inner side of the protective shell is pumped out through the induced duct in the rotation process of the second centrifugal fan blade, the water on the top end of the top cover is blown away in the rotation process of the first centrifugal fan blade, and the wetting probability of rainwater on the protective shell is reduced in torrential weather, the waterproof and anti-seepage protection effect of the device is improved, the risk of corrosion on the inner side of the device is reduced, and the service life of the device is prolonged.
(3) This three-phase relay protection safety ground structure is through connecing the mechanism soon, lower cassette, the slide bar, go up the cassette, spacing spring, the screw rod, roof and chevron nut accomplish the device's earth connection high-speed joint operation, contradict the top of earth connection in the bottom of last cassette and the top of cassette down, the adjustment chevron nut changes the position of screw rod, accomplish the conflict between cassette and lower cassette and the earth connection, improve the earth connection and the installation effectiveness of being connected of ground connection copper bar, when the chevron nut takes place to become flexible unusually, through spacing spring, the position stability of cassette is ensured with the use of roof to the slide bar, avoid the earth connection to take place the condition emergence that drops with the mechanism soon, improve the device's ground connection safety protection effect.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side cross-sectional view of the structure of the present invention;
FIG. 3 is a top view of the ground copper bar structure according to 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 draft tube structure of the present invention;
FIG. 6 is a top view of the top cover structure 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 quick connect mechanism configuration of the present invention.
In the figure: 1. a protective shell; 2. a fixed mount; 3. a ground copper bar; 4. an air cooling mechanism; 41. a bearing; 42. an induced draft 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. filtering the plate; 53. an operating door; 54. a wire loop; 55. a wire guide hole; 56. a ground line; 6. a quick-connection mechanism; 61. a lower clamping seat; 62. a slide bar; 63. an upper clamping seat; 64. a limiting spring; 65. a screw; 66. a top plate; 67. a gable nut; 7. a ground nail; 8. a ground rod.
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. 1-8, a three-phase relay protection safety grounding structure includes a protective shell 1, a fixing frame 2 and a grounding copper bar 3, an air cooling mechanism 4 is fixedly connected to the top end of the protective shell 1, an anti-seepage mechanism 5 is nested inside the protective 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 nail 7, and the bottom surface fixed connection of ground copper bar 3 is on the top of mount 2, and the bottom fixed connection of mount 2 is in the inboard of protective housing 1, and ground rod 8 has been welded to the bottom surface of ground copper bar 3.
In the invention, the top end and the bottom end of the fixed frame 2 are both in threaded connection with fixing bolts, and the number of the fixed frames 2 is four.
In the invention, the air cooling mechanism 4 comprises a bearing 41 and an induced air pipe 42, 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 induced air 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 and fixedly connected with a first centrifugal fan blade 45 and a second centrifugal fan blade 46.
It should be noted that, when the air inside the protective shell 1 is drawn out through the air inducing pipe 42 in the rotation process of the second centrifugal fan blade 46, the hot air is discharged to be away from the protective shell 1, and the steam around the protective shell 1 is blown away, and the steam at the top end of the top cover 44 is blown away in the rotation process of the first centrifugal fan blade 45, so that in a heavy rain weather, the wetting probability of rainwater on the protective shell 1 is reduced, and the waterproof and anti-seepage protection effect of the device is improved.
In the invention, the top cover 44 is in a cone-barrel shape, and the inner side of the top cover 44 is provided with a vacuum heat insulation cavity.
It should be noted that, when the second centrifugal fan 46 extracts the hot air inside the protective casing 1 through the air guiding pipe 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 anti-seepage mechanism 5 comprises a rotating shaft 51 and a filter plate 52, the outer sides of the rotating shaft 51 and the filter plate 52 are both nested at the inner side of the protective shell 1, the outer side of the rotating shaft 51 is rotatably connected with an operating door 53, the outer side of the operating door 53 is fixedly connected with a lead ring 54, the surface of the filter plate 52 is provided with a wire hole 55, and the surface of the filter plate 52 is sleeved with a grounding wire 56. It should be noted that, through the use of the lead 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 case 1 through the outer side of the grounding wire 56.
In the present invention, the number of the lead rings 54 is three, and the inner sides of the top ends of the three lead rings 54 are fixedly connected with the anti-slip rubber.
In the invention, the quick connection mechanism 6 comprises a lower clamping seat 61 and a sliding rod 62, the bottom end of the lower clamping seat 61 and the bottom end of the sliding rod 62 are both fixedly connected to the top of the grounding copper bar 3, an upper clamping seat 63 and a limiting spring 64 are respectively sleeved on the outer side of the sliding rod 62 in a penetrating manner, the bottom end of the limiting spring 64 abuts against the top of the upper clamping seat 63, a screw rod 65 is rotatably connected to the middle of the top end of the upper clamping seat 63, a top plate 66 is fixedly connected to the top end of the sliding rod 62, the top end of the screw rod 65 penetrates through the bottom and the top of the top plate 66, and a mountain nut 67 is in threaded connection with the outer side of the top end of the screw rod 65. 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 position of the screw rod 65 is changed by adjusting the chevron nut 67, the abutment between the upper clamping seat 63, the lower clamping seat 61 and the grounding wire 56 is completed, the connection and installation efficiency of the grounding wire 56 and the grounding copper bar 3 is improved, when the chevron 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-off 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, the middle part of the top plate 66 is provided with a slide hole, and the bottom of the top plate 66 is abutted against the top end of the limiting spring 64.
During the use, accomplish being connected of ground connection copper bar 3 and protective housing 1 through mount 2, through inserting ground nail 7 and earth bar 8 ground, accomplish ground connection processing and protective housing 1 of ground connection copper bar 3 and fix, pass lead ring 54 and wire guide 55 entering protective housing 1's inboard with earth connection 56 in proper order, contradict the top of earth connection 56 in the bottom of last cassette 63 and the top of lower cassette 61, adjustment chevron nut 67 changes the position of screw rod 65, accomplish and go up the conflict between cassette 63 and lower cassette 61 and the earth connection 56, when chevron nut 67 takes place unusually not hard up, through spacing spring 64, the position stability of cassette 63 is ensured in the use of slide bar 62 and roof 66, avoid earth connection 56 and the emergence of taking place to drop with quick-jointing mechanism 6.
When the ground copper bar 3 is used, heat is generated, because the bottom end of the induced duct 42 extends into the inner side of the protective shell 1, the mass of hot air is lighter than that of cold air, the hot air is discharged through the induced duct and impacts 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 induced duct 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 ground copper bar 3 is completed;
in the water seepage prevention treatment of the grounding wire 56, through the use of the lead ring 54, the wire hole 55 and the quick connection mechanism 6, external water is prevented from directly permeating the inner side of the protective shell 1 through the outer side of the grounding wire 56, when air inside the protective shell 1 is pumped out through the air induction pipe 42 in the rotation process of the second centrifugal fan blade 46, hot air is discharged to blow away water vapor around the protective shell 1 in the process of keeping away from the protective shell 1, and the water seepage prevention protection effect of the device is improved.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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)
1. The utility model provides a three-phase relay protection safety ground structure, includes protective housing (1), mount (2) and ground copper bar (3), its characterized in that: the top end of the protective shell (1) is fixedly connected with an air cooling mechanism (4), the inner side of the protective shell (1) is nested with an anti-seepage mechanism (5), and the top of the grounding copper bar (3) is fixedly connected with a quick connection mechanism (6);
the bottom joint of protective housing (1) has ground nail (7), the bottom surface fixed connection of ground copper bar (3) is on the top of mount (2), the bottom fixed connection of mount (2) is in the inboard of protective housing (1), the bottom surface welding of ground copper bar (3) has earthing rod (8).
2. The three-phase relay protection safety grounding structure of claim 1, wherein: the top and the bottom of mount (2) are all threaded connection and have fixing bolt, the quantity of mount (2) is four.
3. The three-phase relay protection safety grounding structure of claim 1, wherein: air-cooled mechanism (4) are including bearing (41) and induced duct (42), the outer lane fixed joint of bearing (41) is inboard on the top of protective housing (1), the top of induced duct (42) runs through at the top of protective housing (1) inboard to the outside, the inner circle fixed joint of bearing (41) has fixed axle (43), fixed axle (43) top fixedly connected with top cap (44), the top and the bottom of top cap (44) are first centrifugal fan blade of fixedly connected with (45) and second centrifugal fan blade (46) respectively.
4. The three-phase relay protection safety grounding structure of claim 3, wherein: the top cover (44) is in a cone-barrel shape, and a vacuum heat insulation cavity is formed in the inner side of the top cover (44).
5. The three-phase relay protection safety grounding structure of claim 1, wherein: seepage prevention mechanism (5) are including pivot (51) and filter plate (52), the outside of pivot (51) and filter plate (52) is all nested in the inboard of protective housing (1), the outside swivelling joint of pivot (51) has operation door (53), the outside fixedly connected with lead ring (54) of operation door (53), wire guide (55) have been seted up on the surface of filter plate (52), the surface of filter plate (52) is worn to overlap and is had earth connection (56).
6. The three-phase relay protection safety grounding structure of claim 5, wherein: the number of the lead rings (54) is three, and the inner sides of the top ends of the three lead rings (54) are fixedly connected with anti-slip rubber.
7. The three-phase relay protection safety grounding structure of claim 1, wherein: the quick-connecting mechanism (6) comprises a lower clamping seat (61) and a sliding rod (62), 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 on the outer side of the sliding rod (62) respectively in a penetrating mode, the bottom end of the limiting spring (64) abuts against the top of the upper clamping seat (63), a screw rod (65) is rotatably connected to the middle of the top end of the upper clamping seat (63), a top end fixedly connected with a top plate (66) of the sliding rod (62), 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 in threaded connection with the outer side of the top end of the screw rod (65).
8. The three-phase relay protection safety grounding structure of claim 7, wherein: the middle part of the top plate (66) is provided with a sliding hole, and the bottom of the top plate (66) is abutted against the top end of the limiting 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 true CN113241536A (en) | 2021-08-10 |
| CN113241536B CN113241536B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110425195.4A Active CN113241536B (en) | 2021-04-20 | 2021-04-20 | Three-phase relay protection safety ground structure |
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| 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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