CN221353890U - Vertical DC grounding box - Google Patents
Vertical DC grounding box Download PDFInfo
- Publication number
- CN221353890U CN221353890U CN202323022954.6U CN202323022954U CN221353890U CN 221353890 U CN221353890 U CN 221353890U CN 202323022954 U CN202323022954 U CN 202323022954U CN 221353890 U CN221353890 U CN 221353890U
- Authority
- CN
- China
- Prior art keywords
- grounding
- box
- current
- piece
- vertical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004020 conductor Substances 0.000 claims abstract description 73
- 238000012544 monitoring process Methods 0.000 claims description 30
- 238000012806 monitoring device Methods 0.000 claims description 28
- 239000000779 smoke Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
The application discloses a vertical direct current grounding box, which comprises: the device comprises a box body, three coaxial cables, a grounding piece and three groups of clamping pieces which are in one-to-one correspondence with the coaxial cables. The box body is provided with a wire inlet, and the coaxial cable extends into the box body from the wire inlet. The grounding piece and the clamping piece are arranged in the box body, the clamping piece comprises an inner conductor clamp and an outer conductor clamp, the inner conductor clamp clamps the inner conductor of the coaxial cable, the outer conductor clamp clamps the outer conductor of the coaxial cable, the inner conductor clamp and the outer conductor clamp are electrically connected with one end of the grounding piece, the other end of the grounding piece is grounded, three coaxial cables are adopted to realize three-phase six wires, the inner conductor and the outer conductor of the three coaxial cables are electrically connected with the grounding piece, effective grounding can be ensured only by installing a vertical direct current grounding box at the cable insulation joint, the installation is simple and convenient, and the requirement on an installation site is reduced.
Description
Technical Field
The application relates to the technical field of power cable grounding boxes, in particular to a vertical direct current grounding box.
Background
In power systems, high voltage cables are widely used for transmission and distribution, and their safe operation is critical to ensure the stability of the power supply. When the cable suffers lightning stroke or internal overvoltage and short circuit, the metal sheath of the cable can generate high impact overvoltage and power frequency induction overvoltage, so that the insulation performance of the metal sheath is rapidly reduced, the multipoint grounding fault of the cable sheath is caused, the normal operation of the power cable is seriously influenced, and the service life of the cable is even greatly shortened. Therefore, in high voltage transmission lines, the induced voltage and the fault overvoltage on the power cable metal sheath are generally limited by protecting one end against ground and directly grounding one end.
According to the difference of the scene condition at cable insulation joint department, if adopt single core cable then need install two direct grounding boxes simultaneously in order to guarantee cable safe and effective ground, have had very big limitation to ground protection box installation place like this, greatly increased the loaded down with trivial details degree of installation simultaneously.
Disclosure of utility model
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a vertical direct current grounding box, which can solve the problem that the traditional grounding box needs to be provided with two direct grounding boxes at the same time.
According to an embodiment of the application, a vertical direct current grounding box comprises:
The box body is provided with a wire inlet;
Three coaxial cables which extend into the box body from the wire inlet;
The grounding piece with three clamping pieces of coaxial cable one-to-one, the grounding piece with the clamping piece is installed in the box, the clamping piece includes inner conductor anchor clamps and outer conductor anchor clamps, inner conductor anchor clamps centre gripping coaxial cable's inner conductor just with inner conductor electric connection, outer conductor anchor clamps centre gripping coaxial cable's outer conductor just with outer conductor electric connection, inner conductor anchor clamps with outer conductor anchor clamps all with the one end electric connection of grounding piece, the other end ground connection of grounding piece.
The vertical direct current grounding box provided by the embodiment of the application has at least the following beneficial effects:
Through adopting three coaxial cable, realize six lines of three-phase, three coaxial cable's inner conductor and outer conductor all with grounding member electric connection for cable insulation joint department only need install a vertical direct current grounding box can guarantee effective ground, and simple installation has reduced the requirement to the installation place.
According to some embodiments of the application, the clamping member further comprises a first connecting member and a second connecting member, one end of the first connecting member is electrically connected to the inner conductor clamp, the other end of the first connecting member is electrically connected to one end of the grounding member, one end of the second connecting member is electrically connected to the outer conductor clamp, and the other end of the second connecting member is electrically connected to one end of the grounding member.
According to some embodiments of the application, the system further comprises a first current monitoring device for monitoring the total ground current of the ground and feeding back the total ground current to the monitoring platform.
According to some embodiments of the present application, the coaxial cable further comprises three second current monitoring devices corresponding to the coaxial cables one by one, and the second current monitoring devices are used for monitoring the grounding current of the inner conductor of the coaxial cable and feeding back to the monitoring platform.
According to some embodiments of the present application, the coaxial cable further comprises three third current monitoring devices corresponding to the coaxial cables one by one, and the third current monitoring devices are used for monitoring the grounding current of the outer conductor of the coaxial cable and feeding back to the monitoring platform.
According to some embodiments of the application, there is further included a smoke alarm mounted within the housing.
According to some embodiments of the application, the monitoring system further comprises a camera mounted in the box for capturing images and feeding back to the monitoring platform.
According to some embodiments of the application, the solar power module is mounted on the top of the box body, and is used for supplying power.
According to some embodiments of the application, the device further comprises a fixing plate and a bracket, wherein the fixing plate is installed in the box body through the bracket, and the clamping piece is installed on the fixing plate.
According to some embodiments of the application, the box further comprises a hinge and a plugging plate, wherein an opening is formed in the bottom of the box, the plugging plate is installed on the opening through the hinge, and the wire inlet is arranged on the plugging plate.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The application is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a neutral DC grounding box according to an embodiment of the present application;
FIG. 2 is a schematic view of a clamping member according to an embodiment of the application;
FIG. 3 is a schematic diagram illustrating a structure of a data processing module according to an embodiment of the present application;
FIG. 4 is a schematic view of the installation of a plugging plate according to an embodiment of the application.
Reference numerals:
Box 100, wire inlet 110, hinge 120, plugging plate 130,
Grounding member 200, inner conductor holder 210, outer conductor holder 220,
A first connecting member 230, a second connecting member 240, a fixing plate 250, a bracket 260,
A support plate 270,
Data processing module 300, securing member 310, securing rail 320,
A first current monitoring device 400,
A second current monitoring device 500,
Third current monitoring device 600,
Smoke alarm 700,
A camera 800,
The solar power module 900.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the description of the present application, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, electrical connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A vertical type dc ground tank according to an embodiment of the present application is described below with reference to fig. 1 to 4.
The vertical dc grounding box according to an embodiment of the present application, as shown in fig. 1, includes: the box 100, three coaxial cables, a grounding member 200 and three groups of clamping members corresponding to the coaxial cables one by one. The box 100 is provided with a wire inlet 110, and coaxial cables extend into the box 100 from the wire inlet 110. The grounding member 200 and the clamping member are installed in the case 100, the clamping member includes an inner conductor clamp 210 and an outer conductor clamp 220, the inner conductor clamp 210 clamps an inner conductor of the coaxial cable, the outer conductor clamp 220 clamps an outer conductor of the coaxial cable, the inner conductor clamp 210 and the outer conductor clamp 220 are electrically connected with one end of the grounding member 200, and the other end of the grounding member 200 is grounded.
In this embodiment, three coaxial cables are adopted to realize three-phase six wires, and the inner conductors and the outer conductors of the three coaxial cables are electrically connected with the grounding member 200, so that effective grounding can be ensured only by installing one vertical direct current grounding box at the cable insulation joint, the installation is simple and convenient, and the requirement on the installation site is reduced.
In an embodiment of the application, as shown in fig. 2, the clamping member further includes a first connecting member 230 and a second connecting member 240, wherein one end of the first connecting member 230 is electrically connected to the inner conductor fixture 210, the other end of the first connecting member 230 is electrically connected to one end of the grounding member 200, one end of the second connecting member 240 is electrically connected to the outer conductor fixture 220, and the other end of the second connecting member 240 is electrically connected to one end of the grounding member 200.
In this embodiment, the grounding member 200 is an L-shaped grounding member, the first connecting member 230 is an L-shaped connecting plate, one end of the L-shaped connecting plate is electrically connected to the inner conductor fixture 210, the other end of the L-shaped connecting plate is connected to the L-shaped grounding member, and the inner conductor of the coaxial cable is installed on the inner conductor fixture 210 to be grounded. The second connecting member 240 adopts a rectangular connecting plate, one end of the rectangular connecting plate is electrically connected with the outer conductor clamp 220, the other end of the rectangular connecting plate is electrically connected with one end of the L-shaped grounding member, and the outer conductor of the coaxial cable is installed on the outer conductor clamp 220 to be grounded.
In an embodiment of the present application, as shown in fig. 3, a data processing module 300 is further disposed in the case 100, the data processing module 300 is installed in the case 100 through a fixing member 310 and a fixing cross bar 320, and the fixing member 310 and the fixing bar are fixedly connected to the case 100 through screws.
It is appreciated that the data processing module 300 employs a single-chip microcomputer.
In an embodiment of the present application, as shown in fig. 2, the apparatus further includes a first current monitoring device 400 for monitoring the total ground current on the ground member 200, wherein an output end of the first current monitoring device 400 is electrically connected to an input end of the data processing module 300, and the data processing module 300 is communicatively connected to the monitoring platform.
In this embodiment, the total grounding current on the L-shaped grounding member is monitored by the first current monitoring device 400, then the current data is uploaded to the data processing module 300, the current data is fed back to the monitoring platform by the data processing module 300, the total abnormal current on the coaxial cable can be monitored in real time, early warning is achieved, convenience is brought to timely maintenance, and occurrence of power failure is reduced.
In an embodiment of the present application, as shown in fig. 2, the apparatus further includes three second current monitoring devices 500 corresponding to the coaxial cables one by one, for monitoring the grounding current of the inner conductor of the coaxial cable, wherein an output end of the second current monitoring devices 500 is electrically connected to an input end of the data processing module 300, and the data processing module 300 is communicatively connected to the monitoring platform.
In this embodiment, the second current monitoring device 500 monitors the grounding current of the inner conductor, and then uploads the current data to the data processing module 300, and the data processing module 300 feeds the current data back to the monitoring platform, so that the abnormal current of the inner conductor on the coaxial cable can be monitored in real time.
In an embodiment of the present application, as shown in fig. 2, the apparatus further includes three third current monitoring devices 600 corresponding to the coaxial cables one by one, for monitoring the grounding current of the outer conductor of the coaxial cable, wherein an output end of the third current monitoring device 600 is electrically connected to an input end of the data processing module 300, and the data processing module 300 is communicatively connected to the monitoring platform.
In this embodiment, the third current monitoring device 600 monitors the grounding current of the outer conductor, and then uploads the current data to the data processing module 300, and the data processing module 300 feeds the current data back to the monitoring platform, so that the abnormal current of the outer conductor on the coaxial cable can be monitored in real time.
It is understood that the first current monitoring device 400, the second current monitoring device 500 and the third current monitoring device 600 all employ current sensors.
An embodiment of the present application, as shown in fig. 3, further includes a smoke alarm 700, and the smoke alarm 700 is installed in the case 100.
In this embodiment, the smoke alarm 700 monitors smoke in the case 100, thereby realizing a smoke alarm function.
In an embodiment of the present application, as shown in fig. 3, the camera 800 is further included, and the camera 800 is installed in the box 100 for capturing an image and feeding back to the monitoring platform. The monitoring platform can monitor the running condition in real time, reduce the artificial operation and maintenance requirement and realize automatic and intelligent management.
In an embodiment of the present application, as shown in fig. 1, the solar power module 900 is further included, where the solar power module 900 is installed on top of the box 100, and the solar power module 900 is used for supplying power.
In this embodiment, the solar power taking module 900 is fixed at the top of the box 100 by pouring epoxy resin at 45 degrees, performs solar power generation, and can supply power to the data processing module 300 and the like in the box 100, thereby saving energy and protecting environment.
In an embodiment of the present application, as shown in fig. 2, the apparatus further comprises a fixing plate 250 and a bracket 260, wherein the fixing plate 250 is installed in the case 100 through the bracket 260, and the clamping member is installed on the fixing plate 250. The fixing plate 250 is mounted with a support plate 270.
In this embodiment, the L-shaped grounding member, the three inner conductor clamps 210 and the three outer conductor clamps 220 are all mounted on a fixing plate 250, and the fixing plate 250 is mounted in the case 100 through a bracket 260. Three inner conductor clamps 210 are disposed on the upper side of the fixed plate 250, three outer conductor clamps 220 are disposed on the lower side of the fixed plate 250, and three second current monitoring devices 500 are correspondingly disposed on the upper side of the fixed plate 250 to facilitate monitoring of inner conductor currents, and three third current monitoring devices 600 are correspondingly disposed on the lower side of the fixed plate 250 to facilitate monitoring of outer conductor currents.
In an embodiment of the present application, as shown in fig. 4, the box further includes two plugging plates 130, an opening is provided at the bottom of the box 100, the two plugging plates 130 are installed on the opening through a hinge 120, the two plugging plates 130 seal the opening, and the wire inlet 110 is provided on the plugging plates 130.
In this embodiment, the plugging plate 130 can rotate around the hinge 120, and by opening the plugging plate 130 at the bottom of the box 100, devices in the box 100 are conveniently maintained, a plurality of wire inlets 110 are arranged on the plugging plate 130, the positions of the wire inlets 110 correspond to the positions of the outer conductor clamps 220, so that coaxial cables are conveniently inserted from the wire inlets 110, and the installation is convenient.
The embodiments of the present application have been described in detail with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present application.
Claims (10)
1. Vertical direct current grounding box, its characterized in that includes:
The box body (100), the box body (100) is provided with a wire inlet (110);
Three coaxial cables extending from the inlet (110) into the box (100);
The grounding piece (200) and with three clamping pieces of coaxial cable one-to-one, grounding piece (200) with the clamping piece is installed in box (100), the clamping piece includes inner conductor anchor clamps (210) and outer conductor anchor clamps (220), inner conductor anchor clamps (210) centre gripping coaxial cable's inner conductor just with inner conductor electric connection, outer conductor anchor clamps (220) centre gripping coaxial cable's outer conductor just with outer conductor electric connection, inner conductor anchor clamps (210) with outer conductor anchor clamps (220) all with one end electric connection of grounding piece (200), the other end ground connection of grounding piece (200).
2. The vertical dc ground box of claim 1, wherein: the clamping piece further comprises a first connecting piece (230) and a second connecting piece (240), one end of the first connecting piece (230) is electrically connected with the inner conductor clamp (210), the other end of the first connecting piece (230) is electrically connected with one end of the grounding piece (200), one end of the second connecting piece (240) is electrically connected with the outer conductor clamp (220), and the other end of the second connecting piece (240) is electrically connected with one end of the grounding piece (200).
3. The vertical dc grounding box of claim 2, wherein: the device also comprises a first current monitoring device (400), wherein the first current monitoring device (400) is used for monitoring the total grounding current of the grounding piece (200) and feeding back the total grounding current to a monitoring platform.
4. The vertical dc grounding box of claim 2, wherein: the coaxial cable monitoring system further comprises three second current monitoring devices (500) which are in one-to-one correspondence with the coaxial cables, wherein the second current monitoring devices (500) are used for monitoring the grounding current of the inner conductors of the coaxial cables and feeding the grounding current back to a monitoring platform.
5. The vertical dc grounding box of claim 2, wherein: the coaxial cable monitoring system further comprises three third current monitoring devices (600) which are in one-to-one correspondence with the coaxial cables, wherein the third current monitoring devices (600) are used for monitoring the grounding current of the outer conductors of the coaxial cables and feeding the grounding current back to a monitoring platform.
6. The vertical dc ground box of claim 1, wherein: also comprises a smoke alarm (700), wherein the smoke alarm (700) is arranged in the box body (100).
7. The vertical dc ground box of claim 1, wherein: still include camera (800), camera (800) install in box (100) are used for gathering the image and feed back to the monitoring platform.
8. The vertical dc ground box of claim 1, wherein: the solar power supply box further comprises a solar power taking module (900), wherein the solar power taking module (900) is arranged at the top of the box body (100), and the solar power taking module (900) is used for supplying power.
9. The vertical dc ground box of claim 1, wherein: the device also comprises a fixing plate (250) and a bracket (260), wherein the fixing plate (250) is installed in the box body (100) through the bracket (260), and the clamping piece is installed on the fixing plate (250).
10. The vertical dc ground box of claim 1, wherein: still include hinge (120) and shutoff board (130), box (100) bottom is provided with the opening, shutoff board (130) are passed through hinge (120) are installed on the opening, inlet (110) set up on shutoff board (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323022954.6U CN221353890U (en) | 2023-11-08 | 2023-11-08 | Vertical DC grounding box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323022954.6U CN221353890U (en) | 2023-11-08 | 2023-11-08 | Vertical DC grounding box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221353890U true CN221353890U (en) | 2024-07-16 |
Family
ID=91837574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323022954.6U Active CN221353890U (en) | 2023-11-08 | 2023-11-08 | Vertical DC grounding box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221353890U (en) |
-
2023
- 2023-11-08 CN CN202323022954.6U patent/CN221353890U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2482403A1 (en) | Junction box for solar cell component and solar cell component | |
| CN106129990B (en) | A kind of non-maintaining charging pile lightning protection for power supply | |
| CN221353890U (en) | Vertical DC grounding box | |
| CN221263334U (en) | Intelligent grounding protection box | |
| CN221263333U (en) | Intelligent direct grounding box | |
| CN109301530A (en) | A kind of New Low Voltage cable plant distribution plate | |
| CN215896976U (en) | Take time delay type power distribution module | |
| CN215415713U (en) | Distribution network fault detection device | |
| CN214479527U (en) | Multifunctional cable assembly | |
| CN221240121U (en) | Intelligent three-phase six-wire grounding protection box | |
| CN208889869U (en) | A kind of New Low Voltage cable plant distribution plate | |
| CN211206571U (en) | Convenient switching device for generator insulation test and application system | |
| CN212412932U (en) | Wiring device in motor junction box | |
| CN107634583A (en) | A kind of energy storage control module | |
| CN221240120U (en) | Intelligent direct protection integrated single-core grounding box | |
| CN221009342U (en) | Grounding bar | |
| CN215896855U (en) | Electrical plug connector for electrical engineering | |
| CN110632352A (en) | Convenient switching device for generator insulation test and application system | |
| CN210775714U (en) | Traction substation return cable state monitoring device | |
| CN219576694U (en) | Power supply system for peripheral marine organism monitoring buoy of nuclear power plant | |
| CN216489643U (en) | Plug-in type bus duct | |
| CN215600327U (en) | Automatic storage battery discharging device with optimized heat dissipation channel | |
| CN219873947U (en) | Switching copper bar protection structure | |
| CN221200857U (en) | Safety protection cover and transformer | |
| CN212570608U (en) | Terminal box and transformer wiring structure comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |