CN223858652U - Grounding box with metal protective layer insulation state monitoring function - Google Patents
Grounding box with metal protective layer insulation state monitoring functionInfo
- Publication number
- CN223858652U CN223858652U CN202423290713.4U CN202423290713U CN223858652U CN 223858652 U CN223858652 U CN 223858652U CN 202423290713 U CN202423290713 U CN 202423290713U CN 223858652 U CN223858652 U CN 223858652U
- Authority
- CN
- China
- Prior art keywords
- grounding
- heat
- box
- box body
- metal sheath
- 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
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
本实用新型公开了一种带金属护层绝缘状态监测的接地箱，包括箱体、接地组件、电流传感器、数据处理器以及散热组件，箱体的底端设有多个通孔，接地组件包括连接部、接地接头和多根接地电缆，连接部设于箱体内，接地接头连接于连接部，多个接地电缆分别穿设于多个通孔，接地电缆的顶端连接于连接部，接地电缆的底端用于连接金属护层，电流传感器设于箱体内，用于检测接地电缆的接地电流，数据处理器设于箱体内，并电性连接于电流传感器，散热组件包括多个导热管，多个导热管分别穿设于多个通孔，且分别套设于多个接地电缆的外侧。本实用新型能有效提高接地箱内的散热效果，进而能减少电流传感器和数据处理器因为温度过高而造成损坏。
This utility model discloses a grounding box with metal sheath insulation status monitoring, including a box body, a grounding assembly, a current sensor, a data processor, and a heat dissipation assembly. The bottom of the box body has multiple through holes. The grounding assembly includes a connecting part, a grounding connector, and multiple grounding cables. The connecting part is located inside the box body, and the grounding connector is connected to the connecting part. The multiple grounding cables pass through the multiple through holes, with the top ends of the grounding cables connected to the connecting part and the bottom ends used to connect to the metal sheath. The current sensor is located inside the box body and is used to detect the grounding current of the grounding cables. The data processor is located inside the box body and is electrically connected to the current sensor. The heat dissipation assembly includes multiple heat pipes, which pass through the multiple through holes and are respectively sleeved on the outside of the multiple grounding cables. This utility model can effectively improve the heat dissipation effect inside the grounding box, thereby reducing damage to the current sensor and data processor caused by overheating.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a grounding box with a metal sheath for monitoring an insulation state.
Background
The metal sheath of the high voltage cable is generally grounded through the grounding cable of the grounding box, and when the cable insulation sheath of the outermost layer of the high voltage cable is damaged, the grounding current of the metal sheath, that is, the current flowing through the grounding cable, can be greatly increased. In the related art, a current sensor and a data processor are arranged in a grounding box, the current sensor is used for detecting a grounding current signal on a grounding cable, the data processor converts the grounding current signal into a digital signal and sends the digital signal to a monitoring platform through a communication module, and workers can quickly know the damage condition of the high-voltage cable through the monitoring platform. However, the grounding box is arranged outdoors, so that rainwater is prevented from entering the grounding box and the anti-theft effect is improved, the box body of the grounding box is arranged in a sealing manner, the heat dissipation effect in the grounding box is poor, and the current sensor and the data processor are easily damaged due to overhigh temperature in the grounding box under high-temperature weather.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the grounding box with the metal protection layer insulation state monitoring function, which can effectively improve the heat dissipation effect in the grounding box, and further can reduce the damage of the current sensor and the data processor caused by overhigh temperature.
According to the embodiment of the utility model, the grounding box with the metal sheath insulation state monitoring comprises a box body, a grounding assembly, a current sensor, a data processor and a heat dissipation assembly, wherein a plurality of through holes are formed in the bottom end of the box body, the grounding assembly comprises a connecting part, a grounding joint and a plurality of grounding cables, the connecting part is arranged in the box body, the grounding joint is connected with the connecting part, the grounding joint is used for grounding, the grounding cables are respectively arranged through the through holes, the top ends of the grounding cables are connected with the connecting part, the bottom ends of the grounding cables are used for connecting the metal sheath of the high-voltage cables, the current sensor is arranged in the box body and used for detecting grounding current of the grounding cables, the data processor is arranged in the box body and is electrically connected with the current sensor, the grounding assembly comprises a plurality of heat conducting pipes, the heat conducting pipes are respectively arranged in the through holes in a plurality of the through holes in a penetrating mode and are respectively sleeved on the outer sides of the grounding cables, and the bottom ends of the heat conducting pipes extend out of the box body.
The grounding box with the metal sheath insulation state monitoring function has the following beneficial effects:
The metal sheath of high tension cable passes through a plurality of ground cable to connect in the connecting portion in the box to realize ground connection through the ground joint that connecting portion connected, current sensor is used for detecting ground current of ground cable, and then can indirectly detect the ground current of metal sheath, and sends the testing result to data processor, and data processor converts the ground current signal into digital signal, carries out analytical processing, finally sends to monitor platform through communication module. According to the utility model, the heat conducting pipes are arranged in each through hole in a penetrating way, the top ends of the heat conducting pipes extend into the box body, the bottom ends of the heat conducting pipes extend out of the box body, the bottom ends of the box body are generally supported on the ground or are partially embedded in the ground, the bottom ends of the heat conducting pipes can extend into the ground, and then the heat in the box body can be transferred to the ground with lower temperature through the heat conducting pipes, so that the heat dissipation effect in the grounding box can be effectively improved, the damage of a current sensor and a data processor caused by overhigh temperature is reduced, the through holes for the grounding cable to penetrate are utilized, other heat dissipation openings are not required to be additionally arranged on the box body, the sealing performance of the grounding box is not reduced, and the practicability is better.
According to some embodiments of the utility model, the heat dissipating assembly further comprises a heat absorbing frame, the heat absorbing frame is arranged in the box, and the top ends of the plurality of heat conducting pipes are connected to the heat absorbing frame.
According to some embodiments of the utility model, the heat absorbing frame comprises a heat conducting connecting plate and a plurality of heat absorbing parts, wherein the top ends of the plurality of heat conducting pipes are connected to the heat conducting connecting plate, the plurality of heat absorbing parts are connected to the heat conducting connecting plate, and at least part of the heat absorbing parts are located on the periphery side of the current sensor.
According to some embodiments of the utility model, the heat absorbing part includes a heat absorbing plate connected to the heat conductive connection plate, and a plurality of heat absorbing sheets provided on a surface of at least one side in a plate thickness direction of the heat absorbing plate.
According to some embodiments of the utility model, the heat dissipating assembly further comprises a heat dissipating frame, wherein the heat dissipating frame is located below the case, and bottom ends of the plurality of heat conducting pipes are all connected to the heat dissipating frame.
According to some embodiments of the utility model, the heat sink comprises a plurality of first heat sink strips and a plurality of second heat sink strips, the plurality of first heat sink strips being arranged side by side, the plurality of second heat sink strips being arranged side by side, wherein the first heat sink strips and the second heat sink strips are cross-connected.
According to some embodiments of the utility model, a sealing sleeve is attached to the wall of the through hole, and the sealing sleeve is sleeved on the outer side of the heat conducting pipe.
According to some embodiments of the utility model, a voltage sensor is disposed in the box, the voltage sensor is used for detecting an induced voltage of the grounding cable, and the data processor is electrically connected to the voltage sensor.
According to some embodiments of the utility model, a solar panel is provided at the top end of the case, and the solar panel is connected to the data processor and the current sensor.
According to some embodiments of the utility model, a wireless communication module is disposed in the box, and the wireless communication module is electrically connected to the data processor.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an installation of a data processor and a wireless communication module;
Fig. 3 is a schematic structural diagram of a heat dissipating rack.
Reference numerals:
A case 100, a through hole 101, a sealing sleeve 102;
grounding assembly 200, connection 201, ground connector 202, ground cable 203, wire holder 204, sheath protector 205, conductive strip 206, connection post 207, ground plate 208;
A current sensor 300;
A data processor 400;
Heat dissipation assembly 500, heat conduction pipe 501, heat absorption frame 502, heat conduction connection plate 503, heat absorption part 504, heat absorption plate 505, heat absorption sheet 506, heat dissipation frame 507, first heat dissipation strip 508, second heat dissipation strip 509;
A voltage sensor 600;
a solar panel 700;
A wireless communication module 800.
Detailed Description
Embodiments of the present utility model 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 utility model.
In the description of the present utility model, 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 utility model 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 utility model.
In the description of the present utility model, a plurality refers to 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 utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A grounding box with metal sheath insulation state monitoring according to an embodiment of the present utility model is described below with reference to fig. 1 to 3.
Referring to fig. 1 to 3, a grounding box with metal sheath insulation state monitoring according to an embodiment of the present utility model includes a box body 100, a grounding assembly 200, a current sensor 300, a data processor 400, and a heat dissipation assembly 500.
Wherein, an inner cavity is formed in the case 100, and the grounding assembly 200, the current sensor 300, the data processor 400 and the heat dissipation assembly 500 may be installed in the inner cavity, and a plurality of through holes 101, for example, three through holes 101 may be provided at the bottom end of the case 100, and of course, other suitable numbers of through holes 101 may be provided.
The grounding assembly 200 includes a connection portion 201, a grounding connector 202 and a plurality of grounding cables 203, the connection portion 201 is disposed in the box 100, the connection portion 201 may include a plurality of wire holders 204, a plurality of sheath protectors 205, a plurality of conductive strips 206, a plurality of connection columns 207, a grounding plate 208, and the like, each grounding cable 203 may correspond to one wire holder 204, one connection column 207, and one sheath protector 205, and the wire holders 204, the connection columns 207, and the sheath protectors 205 corresponding to the grounding cable 203 are sequentially arranged and connected from bottom to top. The plurality of grounding cables 203 are respectively arranged on the plurality of through holes 101 in a penetrating way, the top ends of the grounding cables 203 are clamped on the corresponding wire clamping seats 204, the bottom ends of the grounding cables 203 are used for connecting metal protective layers of high-voltage cables, the plurality of protective layer protectors 205 are connected to the grounding plates 208, and the grounding plates 208 are connected with the grounding connectors 202. The sheath protector 205 is used for protecting the high-voltage cable, and under normal conditions, the sheath protector 205 blocks the conduction between the grounding cable 203 and the grounding plate 208, when the induced voltage of the metal sheath is too high due to the failure of the high-voltage cable, the sheath protector 205 breaks down, the grounding cable 203 is connected with the grounding plate 208, and then the grounding of the metal sheath is realized through the grounding connector 202 for protection. The plurality of sheath protectors 205 and the plurality of wire clamping bases 204 can be connected through cross transposition of the plurality of conductive strips 206 to achieve cross interconnection protection. The grounding assembly 200 is a common structure in a grounding box, and is not described herein.
The current sensor 300 is disposed in the case 100 and is used for detecting a ground current of the ground cable 203. For example, a plurality of current sensors 300 may be provided, and a plurality of current sensors 300 may be respectively sleeved on the outer sides of a plurality of grounding cables 203 or a plurality of connecting posts 207, and the current sensors 300 may be current transformers or hall current sensors.
The data processor 400 is disposed in the box 100 and electrically connected to the current sensor 300, and the data processor 400 is configured to convert a ground current signal collected by the current sensor 300 into a digital signal, analyze the digital signal, and send the digital signal to the monitoring platform through the communication module.
The heat dissipation assembly 500 includes a plurality of heat pipes 501, the plurality of heat pipes 501 are respectively disposed through the plurality of through holes 101 and are respectively disposed on the outer sides of the plurality of grounding cables 203 in a sleeved manner, the top ends of the heat pipes 501 extend into the box 100, and the bottom ends of the heat pipes 501 extend out of the box 100. The heat conductive pipe 501 may be made of an electrically insulating and heat conductive material such as a heat conductive silica gel, alumina ceramic, or the like.
In this embodiment, the metal sheath of the high-voltage cable is connected to the connection portion 201 in the box 100 through a plurality of grounding cables 203, and is grounded through the grounding connector 202 connected to the connection portion 201, and the current sensor 300 is used for detecting the grounding current of the grounding cable 203, so as to indirectly detect the grounding current of the metal sheath, and send the detection result to the data processor 400, and the data processor 400 converts the grounding current signal into a digital signal, performs analysis and processing, and finally sends the digital signal to the monitoring platform through the communication module.
In the utility model, the heat conducting pipe 501 is penetrated in each through hole 101, the top end of the heat conducting pipe 501 extends into the box body 100, the bottom end of the heat conducting pipe 501 extends out of the box body 100, and the bottom end of the box body 100 is generally supported on the ground or partially embedded in the ground, so that the bottom end of the heat conducting pipe 501 can extend into the ground, and the heat in the box body 100 can be transferred to the ground with lower temperature through the heat conducting pipe 501, thereby effectively improving the heat dissipation effect in the grounding box, reducing the damage to the current sensor 300 and the data processor 400 caused by overhigh temperature, and the utility model utilizes the through holes 101 penetrated by the grounding cable 203 without additionally arranging other heat dissipation openings on the box body 100, so that the sealing property of the grounding box is not reduced, and the practicability is better.
Referring to fig. 1, in some embodiments of the present utility model, the heat dissipating assembly 500 further includes a heat absorbing frame 502, the heat absorbing frame 502 is disposed in the case 100, and top ends of the plurality of heat conductive pipes 501 are connected to the heat absorbing frame 502. The heat absorbing frame 502 can be made of electrically insulating heat conducting materials such as heat conducting silica gel and alumina ceramics, and the heat absorbing frame 502 is arranged, so that heat in the box body 100 can be absorbed more quickly, the heat dissipation effect in the box body 100 is better, and damage to the current sensor 300 and the data processor 400 caused by overhigh temperature can be further reduced.
Referring to fig. 1, in some embodiments of the present utility model, the heat absorbing frame 502 includes a heat conducting connection plate 503 and a plurality of heat absorbing portions 504, wherein top ends of the plurality of heat conducting pipes 501 are connected to the heat conducting connection plate 503, the plurality of heat absorbing portions 504 are connected to the heat conducting connection plate 503, and at least part of the heat absorbing portions 504 are located on a peripheral side of the current sensor 300. For example, the heat-conductive connection plate 503 and the heat-absorbing portion 504 may be made of an electrically insulating heat-conductive material such as heat-conductive silica gel or alumina ceramic, and the plurality of heat-absorbing portions 504 may be disposed side by side, and the plurality of heat-absorbing portions 504 may be located on the peripheral side of the current sensor 300.
In general, the current sensor 300 is a current transformer, which itself is more prone to heat generation than the data processor 400. In this embodiment, at least part of the heat absorbing portion 504 is disposed on the peripheral side of the current sensor 300, so that the heat dissipation effect on the current sensor 300 is better, and damage to the current sensor 300 due to excessive temperature can be further reduced.
It should be noted that, the portion of the heat absorbing portion 504 may be located at other positions, for example, near the data processor 400.
Referring to fig. 1, in some embodiments of the present utility model, the heat absorbing part 504 includes a heat absorbing plate 505 and a plurality of heat absorbing sheets 506, the heat absorbing plate 505 is connected to the heat conductive connection plate 503, and the plurality of heat absorbing sheets 506 are disposed on at least one surface of the heat absorbing plate 505 in a thickness direction. For example, a plurality of heat absorbing sheets 506 may be provided on one surface in the thickness direction of the heat absorbing plate 505, or a plurality of heat absorbing sheets 506 may be provided on both surfaces in the thickness direction of the heat absorbing plate 505. In this embodiment, the heat absorbing portion 504 includes the heat absorbing plate 505 and the plurality of heat absorbing sheets 506, so that the heat absorbing effect is better, and further the heat dissipation effect in the case 100 is better, so that damage of the current sensor 300 and the data processor 400 caused by too high temperature can be further reduced.
Referring to fig. 1 and 3, in some embodiments of the present utility model, the heat dissipation assembly 500 further includes a heat dissipation frame 507, wherein the heat dissipation frame 507 is located below the case 100, and bottom ends of the plurality of heat conductive pipes 501 are connected to the heat dissipation frame 507. After the grounding box is installed, the heat dissipation frame 507 can be pre-buried underground, in the embodiment, the heat dissipation frame 507 is arranged, the contact area with the stratum is larger, and then the heat transfer area with the stratum is larger, so that the heat dissipation effect is better.
Referring to fig. 3, in some embodiments of the present utility model, the heat sink 507 includes a plurality of first heat sink strips 508 and a plurality of second heat sink strips 509, the plurality of first heat sink strips 508 being disposed side by side, the plurality of second heat sink strips 509 being disposed side by side, wherein the first heat sink strips 508 and the second heat sink strips 509 are cross-connected. For example, the plurality of first heat dissipating strips 508 may be disposed horizontally and parallel to each other, the plurality of second heat dissipating strips 509 may be disposed horizontally and parallel to each other, and the extending direction of the first heat dissipating strips 508 may be perpendicular to the extending direction of the second heat dissipating strips 509.
In this embodiment, the heat dissipation frame 507 is so arranged, not only the contact area with the stratum is larger, and then the heat dissipation effect is better, but also the heat dissipation frame 507 is of a net structure, so that the influence of rainwater accumulation on the grounding of the grounding box can be avoided.
Referring to fig. 1, in some embodiments of the present utility model, a sealing sleeve 102 is attached to a wall of the through hole 101, and the sealing sleeve 102 is sleeved on the outer side of the heat conducting pipe 501. The sealing sleeve 102 can be made of rubber or silica gel, and the sealing sleeve 102 is filled between the hole wall of the through hole 101 and the outer side wall of the heat conducting pipe 501, so that the sealing effect can be achieved, and rainwater in the stratum can be prevented from entering the box body 100 to damage components in the box body 100.
Referring to fig. 1, in some embodiments of the present utility model, a voltage sensor 600 is disposed in the case 100, the voltage sensor 600 is used for detecting the induced voltage of the grounding cable 203, and the data processor 400 is electrically connected to the voltage sensor 600. When the cable insulation sheath of the outermost layer of the high voltage cable is damaged, the induced voltage of the metal sheath, that is, the induced voltage of the ground cable 203, is greatly increased. In this embodiment, the voltage sensor 600 is provided, the voltage sensor 600 can detect the induced voltage of the grounding cable 203, and then can indirectly detect the induced voltage of the metal protective layer, and send the detection result to the data processor 400, the data processor 400 converts the induced voltage signal into a digital signal, and performs analysis processing, and finally sends the digital signal to the monitoring platform through the communication module, and the staff combines the detected induced voltage signal and the grounding current signal, so that the damage condition of the high-voltage cable can be more accurately known.
It should be noted that the data processor 400 may include a current processing module, a voltage processing module, and a power analysis module. The voltage processing module performs isolated voltage reduction conversion on the induced voltage of the metal sheath acquired by the voltage sensor 600 into a digital signal, and then transmits the digital signal to the electric energy analysis processing module. Similarly, the current processing module converts the grounding current of the metal sheath collected by the current sensor 300 into a digital signal through isolation and transmits the digital signal to the electric energy analysis module. And the electric energy analysis module respectively calculates the induced voltage and the grounding current through a chip in the module to obtain apparent power, active power and reactive power on the metal sheath of the three-phase high-voltage cable, and calculates to obtain the power factor angle of the three-phase high-voltage cable. The dielectric loss angle and the power factor angle are complementary angles, the dielectric loss angle can be calculated through the power factor angle, further, the dielectric loss factor of the metal protection layer of the high-voltage cable can be calculated, and the calculated dielectric loss factor can be transmitted to the monitoring platform through the communication module, so that a worker can know the damage condition of the high-voltage cable more accurately and intuitively. The data processor 400 is a common device for processing data, and the structure and operation principle thereof are not described herein.
Referring to fig. 1 and 2, in some embodiments of the present utility model, a solar panel 700 is provided at the top end of the case 100, and the solar panel 700 is connected to the data processor 400 and the current sensor 300. For example, the data processor 400 and the current sensor 300 may each have a battery therein, and the solar panel 700 is connected to the batteries in the data processor 400 and the current sensor 300 for charging the batteries in the data processor 400 and the current sensor 300, thereby not only making the data processor 400 and the current sensor 300 have a longer service life, but also being more convenient to use without additional electric wires for connecting to an external power source.
Referring to fig. 2, in some embodiments of the present utility model, a wireless communication module 800 is disposed in the case 100, and the wireless communication module 800 is electrically connected to the data processor 400. The wireless communication module 800 may be a GPRS module, a 4G wireless module, a 5G wireless module, or the like, and the data processor 400 transmits the processed digital signal to the monitoring platform through the wireless communication module 800. In this embodiment, the communication module is set as the wireless communication module 800, so that the wiring cost and the installation cost can be reduced, and the signal transmission effect is better and the practicability is better.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model 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 utility model.
Claims (10)
1. The utility model provides a take earthing box of metal sheath insulation state monitoring which characterized in that includes:
The box body is provided with a plurality of through holes at the bottom end;
The grounding assembly comprises a connecting part, a grounding connector and a plurality of grounding cables, wherein the connecting part is arranged in the box body, the grounding connector is connected with the connecting part, the grounding connector is used for grounding, the grounding cables are respectively arranged through the through holes in a penetrating mode, the top ends of the grounding cables are connected with the connecting part, and the bottom ends of the grounding cables are used for connecting a metal protection layer of the high-voltage cables;
The current sensor is arranged in the box body and used for detecting the grounding current of the grounding cable;
The data processor is arranged in the box body and is electrically connected with the current sensor;
The heat dissipation assembly comprises a plurality of heat conduction pipes, wherein the heat conduction pipes are respectively arranged in the through holes in a penetrating mode and are respectively sleeved on the outer sides of the grounding cables, the top ends of the heat conduction pipes extend into the box body, and the bottom ends of the heat conduction pipes extend out of the box body.
2. The grounding box with metal sheath insulation status monitoring of claim 1, wherein the heat dissipation assembly further comprises:
The heat absorption frame is arranged in the box body, and the top ends of the plurality of heat conduction pipes are connected with the heat absorption frame.
3. The grounding box with metal sheath insulation state monitoring according to claim 2, wherein the heat absorbing frame comprises:
The top ends of the heat conduction pipes are connected to the heat conduction connecting plate;
And the heat absorbing parts are connected to the heat conducting connecting plate, and at least part of the heat absorbing parts are positioned on the periphery side of the current sensor.
4. The grounding box with metal sheath insulation state monitoring according to claim 3, wherein the heat absorbing portion comprises:
the heat absorption plate is connected with the heat conduction connecting plate;
and a plurality of heat absorbing sheets provided on at least one surface of the heat absorbing plate in the thickness direction.
5. The ground box with metal sheath insulation state monitoring of any of claims 1-4, wherein the heat dissipating assembly further comprises:
and the heat dissipation frame is positioned below the box body, and the bottom ends of the plurality of heat conduction pipes are connected with the heat dissipation frame.
6. The grounding box with metal sheath insulation state monitoring of claim 5, wherein the heat sink rack comprises:
A plurality of first heat dissipation strips arranged side by side;
A plurality of second heat dissipation strips arranged side by side;
The first radiating strips and the second radiating strips are connected in a cross mode.
7. The grounding box with metal sheath insulation state monitoring according to any one of claims 1 to 4, wherein a sealing sleeve is attached to the wall of the through hole, and the sealing sleeve is sleeved on the outer side of the heat conducting pipe.
8. The grounding box with metal sheath insulation state monitoring according to any one of claims 1 to 4, wherein a voltage sensor is arranged in the box body, the voltage sensor is used for detecting induced voltage of the grounding cable, and the data processor is electrically connected to the voltage sensor.
9. The grounding box with metal sheath insulation state monitoring according to any one of claims 1 to 4, wherein a solar panel is provided at a top end of the box body, and the solar panel is connected to the data processor and the current sensor.
10. The grounding box with metal sheath insulation state monitoring according to any one of claims 1 to 4, wherein a wireless communication module is arranged in the box body, and the wireless communication module is electrically connected to the data processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423290713.4U CN223858652U (en) | 2024-12-30 | 2024-12-30 | Grounding box with metal protective layer insulation state monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423290713.4U CN223858652U (en) | 2024-12-30 | 2024-12-30 | Grounding box with metal protective layer insulation state monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223858652U true CN223858652U (en) | 2026-01-30 |
Family
ID=98554116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423290713.4U Active CN223858652U (en) | 2024-12-30 | 2024-12-30 | Grounding box with metal protective layer insulation state monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223858652U (en) |
-
2024
- 2024-12-30 CN CN202423290713.4U patent/CN223858652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201717792U (en) | Energy taking power supply of overhead line | |
| CN102361295A (en) | Structure of copper-aluminum composite conductor bus duct | |
| CN223858652U (en) | Grounding box with metal protective layer insulation state monitoring function | |
| CN217238248U (en) | Lightning arrester current acquisition device | |
| CN119108969A (en) | A vertical cable grounding box | |
| CN211294693U (en) | Energy-saving power cable with aluminum alloy conductor, crosslinked polyethylene, insulation interlocking armor sheath | |
| CN210693035U (en) | Communication power supply isolation protection device | |
| CN209689765U (en) | Bus temperature measuring equipment | |
| CN216250032U (en) | A detectable leakage cable | |
| CN110031120A (en) | Bus temperature measuring equipment | |
| CN215178198U (en) | Power line contact intelligent wireless temperature measurement sensor | |
| CN210294367U (en) | High-voltage dry-type electric energy metering box | |
| CN118130848A (en) | A high voltage DC insulation monitor | |
| CN211578988U (en) | Electric power connection fitting | |
| CN214337477U (en) | Densely-installed high-voltage fire-resistant bus duct | |
| CN210464738U (en) | Temperature monitoring device of transformer substation | |
| CN210669442U (en) | Waterproof bus duct device | |
| CN216056280U (en) | Cable joint of integrated RFID temperature measurement | |
| CN207896658U (en) | The solid decoupling device and circuit of no conducting wire connection | |
| CN221240121U (en) | Intelligent three-phase six-wire grounding protection box | |
| CN223261262U (en) | A vertical cable grounding box | |
| CN220603585U (en) | High-voltage cable circulation and partial discharge monitoring device | |
| CN220357229U (en) | Novel ground fault and ground check monitor | |
| CN212934230U (en) | Novel high temperature resistant cable | |
| CN223486833U (en) | An isolator for isolating medium voltage direct current |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |