Grounding box with metal sheath insulation state monitoring function
By inserting heat-conducting pipes through the through holes of the grounding box and combining them with heat-absorbing and heat-dissipating frames, the problem of poor heat dissipation of the grounding box was solved, achieving better heat dissipation and sealing, and reducing damage to the current sensor and data processor.
Patent Information
- Application Number
- CN202423290713.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing grounding box has poor heat dissipation, which makes the current sensor and data processor prone to damage in high-temperature climates.
A heat-conducting pipe is installed inside the through hole of the grounding box. The top end of the heat-conducting pipe extends into the box and the bottom end extends into the ground. The heat is transferred to the lower temperature ground using the heat-conducting pipe. Combined with the heat absorption rack and heat dissipation rack, the heat dissipation effect is improved, and the need to open additional heat dissipation vents is avoided.
It effectively improves the heat dissipation of the grounding box, reduces damage to the current sensor and data processor caused by excessive temperature, and maintains the airtightness of the grounding box.
Smart Images
Figure CN223858652U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical equipment technical field especially relates to a grounding box of insulating state monitoring of metal sheath. BACKGROUND
[0002] The metal sheath of high voltage cable is generally grounded through the grounding cable of grounding box, when the cable insulating sheath of outermost layer of high voltage cable is damaged, the grounding current of metal sheath, that is, the current flowing through the grounding cable will increase greatly. In the related art, a current sensor and a data processor are arranged in the grounding box, the current sensor is used to detect the grounding current signal on the 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, so that a worker can quickly understand the damage condition of the high voltage cable through the monitoring platform. However, since the grounding box is arranged outdoors, in order to prevent rainwater from entering and improve the anti-theft effect, the box body of the grounding box is sealingly arranged, thus, the heat dissipation effect in the grounding box is poor, and the temperature in the grounding box is prone to be too high to damage the current sensor and the data processor in high temperature climate. SUMMARY
[0003] The utility model discloses at least solve one of the prior art technical problems. Therefore, the utility model provides a grounding box of insulating state monitoring of metal sheath, can effectively improve the heat dissipation effect in the grounding box, and then can reduce the damage of current sensor and data processor caused by too high temperature.
[0004] The grounding box of insulating state monitoring of metal sheath according to the utility model embodiment, including the box body, the grounding assembly, the current sensor, the data processor and the heat dissipation component, the bottom of the box body is equipped with a plurality of through -holes, the grounding assembly includes the connecting portion, the grounding connector and a plurality of grounding cables, the connecting portion is located in the box body, the grounding connector is connected to the connecting portion, the grounding connector is used for grounding, a plurality of the grounding cable is arranged in a plurality of through -holes respectively, the top of the grounding cable is connected to the connecting portion, the bottom of the grounding cable is used for connecting the metal sheath of high voltage cable, the current sensor is located in the box body, and is used for detecting the grounding current of the grounding cable, the data processor is located in the box body, and is electrically connected to the current sensor, the heat dissipation component includes a plurality of heat pipes, a plurality of the heat pipe is arranged in a plurality of through -holes respectively, and is respectively set on the outside of a plurality of the grounding cable, the top of the heat pipe extends to the box body, and the bottom of the heat pipe extends to the box body outside.
[0005] The grounding box of insulating state monitoring of metal sheath according to the utility model embodiment has at least the following beneficial effects:
[0006] The metal sheath of the high-voltage cable is connected to the connecting part in the box through a plurality of grounding cables, and is grounded through a grounding connector connected to the connecting part; the current sensor is used to detect the grounding current of the grounding cable, thereby indirectly detecting the grounding current of the metal sheath, and the detection result is sent to the data processor; the data processor converts the grounding current signal into a digital signal and performs analysis and processing, and finally sends the result to the monitoring platform through the communication module. In the utility model, a heat pipe is arranged in each through hole, the top end of the heat pipe extends into the box, the bottom end of the heat pipe extends out of the box, and the bottom end of the box is generally supported on the ground or partially embedded underground, so that the bottom end of the heat pipe can extend underground, and the heat pipe can transfer the heat in the box to the underground with lower temperature, thereby effectively improving the heat dissipation effect of the grounding box, reducing the damage of the current sensor and the data processor caused by excessive temperature, and the utility model utilizes the through hole for arranging the grounding cable, without the need of additionally opening other heat dissipation openings on the box, so that the sealing property of the grounding box is not reduced, and the utility is better.
[0007] According to some embodiments of the utility model, the heat dissipation assembly further comprises a heat absorption frame, the heat absorption frame is arranged in the box, and the top ends of the plurality of heat pipes are connected to the heat absorption frame.
[0008] According to some embodiments of the utility model, the heat absorption frame comprises a heat conduction connecting plate and a plurality of heat absorption parts, the top ends of the plurality of heat pipes are connected to the heat conduction connecting plate, the plurality of heat absorption parts are connected to the heat conduction connecting plate, and at least part of the heat absorption parts are located on the side of the current sensor.
[0009] According to some embodiments of the utility model, the heat absorption part comprises a heat absorption plate and a plurality of heat absorption sheets, the heat absorption plate is connected to the heat conduction connecting plate, and the plurality of heat absorption sheets are arranged on the surface of at least one side of the heat absorption plate in the thickness direction.
[0010] According to some embodiments of the utility model, the heat dissipation assembly further comprises a heat dissipation frame, the heat dissipation frame is located below the box, and the bottom ends of the plurality of heat pipes are connected to the heat dissipation frame.
[0011] According to some embodiments of the utility model, the heat dissipation frame comprises a plurality of first heat dissipation strips and a plurality of second heat dissipation strips, the plurality of first heat dissipation strips are arranged side by side, the plurality of second heat dissipation strips are arranged side by side, and the first heat dissipation strips and the second heat dissipation strips are cross-connected.
[0012] According to some embodiments of the utility model, the hole wall of the through hole is attached with a sealing sleeve, and the sealing sleeve is arranged on the outside of the heat pipe.
[0013] According to some embodiments of the utility model, the box is internally provided with a voltage sensor, the voltage sensor is used for detecting the induced voltage of the grounding cable, and the data processor is electrically connected to the voltage sensor.
[0014] According to some embodiments of the utility model, the top end of the box is provided with a solar panel, and the solar panel is connected to the data processor and the current sensor.
[0015] According to some embodiments of the utility model, the box is internally provided with a wireless communication module, and the wireless communication module is electrically connected to the data processor.
[0016] The additional aspects and advantages of the utility model will be partially given in the following description, some advantages will become obvious from the following description or be known through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further explained in combination with the drawings and embodiments, wherein:
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the installation schematic diagram of data processor and wireless communication module;
[0020] Figure 3 It is the structure schematic diagram of heat dissipation frame.
[0021] REFERENCE NUMERALS:
[0022] Box 100, through -hole 101, sealing sleeve 102,
[0023] Grounding assembly 200, connecting portion 201, grounding connector 202, grounding cable 203, wire clamp 204, sheath protector 205, conductive strip 206, connecting column 207, grounding plate 208,
[0024] Current sensor 300,
[0025] Data processor 400,
[0026] Heat dissipation assembly 500, heat pipe 501, heat absorbing frame 502, heat conduction connecting plate 503, heat absorbing part 504, heat absorbing plate 505, heat absorbing sheet 506, heat dissipation frame 507, first heat dissipation strip 508, second heat dissipation strip 509,
[0027] Voltage sensor 600,
[0028] Solar panel 700,
[0029] Wireless communication module 800. DETAILED DESCRIPTION
[0030] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application.
[0031] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down and the like is based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0032] In the description of the present application, the plural refers to two or more. If there is a description of first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0033] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting and the like should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.
[0034] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application. Figures 1 to 3 The grounding box with metal sheath insulation state monitoring according to the embodiments of the present application is described below.
[0035] Reference is made to Figures 1 to 3 As shown in the drawings, the grounding box with metal sheath insulation state monitoring according to the embodiments of the present application comprises a box body 100, a grounding assembly 200, a current sensor 300, a data processor 400 and a heat dissipation assembly 500.
[0036] Among them, the inner cavity is formed in the box body 100, the grounding assembly 200, the current sensor 300, the data processor 400 and the heat dissipation assembly 500 can be installed in the inner cavity, the bottom end of the box body 100 is provided with a plurality of through holes 101, for example, three through holes 101 can be provided, of course, other appropriate number of through holes 101 can also be provided.
[0037] The grounding assembly 200 comprises a connecting portion 201, a grounding joint 202 and a plurality of grounding cables 203. The connecting portion 201 is arranged in the box body 100. The connecting portion 201 can comprise a plurality of wire clamps 204, a plurality of sheath protectors 205, a plurality of conductive strips 206, a plurality of connecting columns 207 and a grounding plate 208. Each grounding cable 203 can correspond to one wire clamp 204, one connecting column 207 and one sheath protector 205. The wire clamp 204, the connecting column 207 and the sheath protector 205 corresponding to the grounding cable 203 are arranged in sequence from bottom to top and are connected. The plurality of grounding cables 203 are arranged in the plurality of through holes 101. The top end of the grounding cable 203 is clamped on the corresponding wire clamp 204. The bottom end of the grounding cable 203 is used for connecting the metal sheath of the high-voltage cable. The plurality of sheath protectors 205 are connected to the grounding plate 208. The grounding plate 208 is connected to the grounding joint 202. The sheath protector 205 is used for protecting the high-voltage cable. Under normal circumstances, the sheath protector 205 blocks the conduction between the grounding cable 203 and the grounding plate 208. When the high-voltage cable fails and the induced voltage of the metal sheath is too high, the sheath protector 205 is broken down. The grounding cable 203 is connected to the grounding plate 208. Then, the grounding of the metal sheath is realized through the grounding joint 202 to protect the metal sheath. The plurality of sheath protectors 205 and the plurality of wire clamps 204 can be connected through the plurality of conductive strips 206 to realize cross-connection protection. The grounding assembly 200 is a common structure in the grounding box, and will not be described here.
[0038] The current sensor 300 is arranged in the box body 100 and is used for detecting the grounding current of the grounding cable 203. For example, a plurality of current sensors 300 can be provided. The plurality of current sensors 300 can be respectively sleeved on the outer side of the plurality of grounding cables 203 or the plurality of connecting columns 207. The current sensor 300 can be a current transformer or a Hall current sensor.
[0039] The data processor 400 is arranged in the box body 100 and is electrically connected to the current sensor 300. The data processor 400 is used for converting the grounding current signal collected by the current sensor 300 into a digital signal and performing analysis and processing. Then, the data processor 400 sends the digital signal to the monitoring platform through the communication module.
[0040] The heat dissipation assembly 500 comprises a plurality of heat pipes 501. The plurality of heat pipes 501 are respectively arranged in the plurality of through holes 101 and are respectively sleeved on the outer side of the plurality of grounding cables 203. The top end of the heat pipe 501 extends into the box body 100. The bottom end of the heat pipe 501 extends out of the box body 100. The heat pipe 501 can be made of electrically insulating and heat-conducting materials such as heat-conducting silica gel and alumina ceramic.
[0041] In the embodiment, the metal sheath of the high-voltage cable is connected to the connecting portion 201 in the box 100 through the plurality of grounding cables 203, and is grounded through the grounding connector 202 connected to the connecting portion 201; the current sensor 300 is used to detect the grounding current of the grounding cable 203, thereby indirectly detecting the grounding current of the metal sheath, and sends the detection result to the data processor 400; the data processor 400 converts the grounding current signal into a digital signal and performs analysis and processing, and finally sends to the monitoring platform through the communication module.
[0042] In the utility model, the heat pipe 501 is arranged in each through hole 101, the top end of the heat pipe 501 extends into the box 100, the bottom end of the heat pipe 501 extends out of the box 100, and the bottom end of the box 100 is generally supported on the ground or partially embedded underground, so that the bottom end of the heat pipe 501 can extend underground, and the heat pipe 501 can transfer the heat in the box 100 to the underground with lower temperature, thereby effectively improving the heat dissipation effect in the grounding box, reducing the damage of the current sensor 300 and the data processor 400 caused by the excessively high temperature, and the utility model utilizes the through hole 101 for the grounding cable 203, does not need to additionally open other heat dissipation openings on the box 100, does not reduce the sealing property of the grounding box, and is more practical.
[0043] Reference Figure 1 As shown in the utility model, in some embodiments of the utility model, the heat dissipation assembly 500 further comprises a heat absorption frame 502, the heat absorption frame 502 is arranged in the box 100, and the top end of the plurality of heat pipes 501 is connected to the heat absorption frame 502. The heat absorption frame 502 can be made of electrically insulating heat conductive materials such as heat conductive silica gel and alumina ceramic, the heat absorption frame 502 can more quickly absorb the heat in the box 100, so that the heat dissipation effect in the box 100 is better, thereby further reducing the damage of the current sensor 300 and the data processor 400 caused by the excessively high temperature.
[0044] Reference Figure 1 As shown in the utility model, in some embodiments of the utility model, the heat absorption frame 502 comprises a heat conductive connecting plate 503 and a plurality of heat absorption portions 504, the top end of the plurality of heat pipes 501 is connected to the heat conductive connecting plate 503, the plurality of heat absorption portions 504 are connected to the heat conductive connecting plate 503, and at least part of the heat absorption portions 504 are located on the periphery of the current sensor 300. For example, the heat conductive connecting plate 503 and the heat absorption portions 504 can be made of electrically insulating heat conductive materials such as heat conductive silica gel and alumina ceramic, the plurality of heat absorption portions 504 can be arranged side by side, and the plurality of heat absorption portions 504 can be located on the periphery of the current sensor 300.
[0045] Generally, the current sensor 300 is a current transformer, which is more prone to heat generation than the data processor 400. In the embodiment, the at least partial heat absorption part 504 is arranged on the side of the current sensor 300, which is better for heat dissipation of the current sensor 300, thereby further reducing damage of the current sensor 300 caused by excessive temperature.
[0046] It should be noted that the partial heat absorption part 504 can also be located at other positions, for example, near the data processor 400.
[0047] Reference Figure 1 As shown in the figure, in some embodiments of the utility model, the heat absorption part 504 includes a heat absorption plate 505 and a plurality of heat absorption sheets 506, the heat absorption plate 505 is connected to the heat conduction connecting plate 503, and the plurality of heat absorption sheets 506 are arranged on the surface of at least one side of the heat absorption plate 505 in the thickness direction. For example, the surface of one side of the heat absorption plate 505 in the thickness direction can be provided with a plurality of heat absorption sheets 506, or the surfaces of both sides of the heat absorption plate 505 in the thickness direction can be provided with a plurality of heat absorption sheets 506. In the embodiment, the heat absorption part 504 includes the heat absorption plate 505 and the plurality of heat absorption sheets 506, which is better for heat absorption, thereby making the heat dissipation effect in the box 100 better, thereby further reducing damage of the current sensor 300 and the data processor 400 caused by excessive temperature.
[0048] Reference Figure 1 And 3 As shown in the figure, in some embodiments of the utility model, the heat dissipation assembly 500 further includes a heat dissipation frame 507, the heat dissipation frame 507 is located below the box 100, and the bottom ends of the plurality of heat conduction pipes 501 are connected to the heat dissipation frame 507. After the grounding box is installed, the heat dissipation frame 507 can be embedded underground, and in the embodiment, the heat dissipation frame 507 is provided, which has a larger contact area with the stratum, thereby having a larger heat transfer area with the stratum, thereby having a better heat dissipation effect.
[0049] Reference Figure 3 As shown in the figure, in some embodiments of the utility model, the heat dissipation frame 507 includes a plurality of first heat dissipation strips 508 and a plurality of second heat dissipation strips 509, the plurality of first heat dissipation strips 508 are arranged side by side, the plurality of second heat dissipation strips 509 are arranged side by side, and the first heat dissipation strips 508 and the second heat dissipation strips 509 are cross-connected. For example, the plurality of first heat dissipation strips 508 can be horizontally arranged and parallel to each other, the plurality of second heat dissipation strips 509 can be horizontally arranged and parallel to each other, and the extension direction of the first heat dissipation strips 508 can be perpendicular to the extension direction of the second heat dissipation strips 509.
[0050] In the embodiment, the heat dissipation frame 507 is thus arranged, which not only has a larger contact area with the stratum, thereby having a better heat dissipation effect, but also has a mesh structure, which can avoid accumulation of rainwater to affect grounding of the grounding box.
[0051] Reference Figure 1 As shown in some embodiments of the utility model, the hole wall of the through hole 101 is attached with a sealing sleeve 102, and the sealing sleeve 102 is sleeved on the outer side of the heat conduction pipe 501. The sealing sleeve 102 can be made of rubber or silicone, and is filled between the hole wall of the through hole 101 and the outer side wall of the heat conduction pipe 501, which can play a sealing role to prevent rainwater in the stratum from entering the box body 100 and damaging the components in the box body 100.
[0052] Reference Figure 1 As shown in some embodiments of the utility model, the box body 100 is provided with a voltage sensor 600, which is used to detect the induced voltage of the grounding cable 203, and the data processor 400 is electrically connected to the voltage sensor 600. When the outermost cable insulation sheath of the high-voltage cable is damaged, the induced voltage of the metal sheath, that is, the induced voltage of the grounding cable 203, will increase significantly. In this embodiment, the voltage sensor 600 is arranged, which can detect the induced voltage of the grounding cable 203, thereby indirectly detecting the induced voltage of the metal sheath, and sending the detection result to the data processor 400. The data processor 400 converts the induced voltage signal into a digital signal and performs analysis and processing, and finally sends it to the monitoring platform through the communication module. The workers can more accurately understand the damage of the high-voltage cable by combining the detected induced voltage signal and the grounding current signal.
[0053] It should be noted that the data processor 400 can include a current processing module, a voltage processing module and an electric energy analysis module. The voltage processing module transmits the induced voltage of the metal sheath collected by the voltage sensor 600 to the electric energy analysis module after converting it into a digital signal through isolation and voltage reduction. Similarly, the current processing module transmits the grounding current of the metal sheath collected by the current sensor 300 to the electric energy analysis module after converting it into a digital signal through isolation. The electric energy analysis module calculates the apparent power, active power and reactive power on the metal sheath of the three-phase high-voltage cable through the chips in the module respectively by the induced voltage and the grounding current, and calculates the power factor angle of the three-phase high-voltage cable. The dielectric loss angle and the power factor angle are complementary angles, and the dielectric loss angle can be calculated through the power factor angle. Further, the dielectric loss factor of the metal sheath 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 the workers can more accurately and intuitively understand the damage of the high-voltage cable. The data processor 400 is a common data processing device, and its structure and working principle will not be described here.
[0054] Reference Figure 1 and Figure 2As shown, in some embodiments of the utility model, the top end of the box 100 is provided with a solar panel 700, and the solar panel 700 is connected to the data processor 400 and the current sensor 300. For example, a battery can be arranged in the data processor 400 and the current sensor 300, and the solar panel 700 is connected to the battery in the data processor 400 and the current sensor 300, so as to charge the battery in the data processor 400 and the current sensor 300, thereby not needing to additionally arrange an electric wire to connect an external power supply, not only making the service life of the data processor 400 and the current sensor 300 longer, but also making the use more convenient.
[0055] Reference Figure 2 As shown, in some embodiments of the utility model, a wireless communication module 800 is arranged in the box 100, and the wireless communication module 800 is electrically connected to the data processor 400. The wireless communication module 800 can be a GPRS module, a 4G wireless module or a 5G wireless module, etc., and the data processor 400 transmits the digital signal processed to a monitoring platform through the wireless communication module 800. In the embodiment, the communication module is arranged as the wireless communication module 800, which can reduce the wiring cost and the installation cost, and the signal transmission effect is better, and the practicality is better.
[0056] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A grounding box with metal sheath insulation condition monitoring, characterized in that, The utility model relates to a high-voltage grounding device, comprising: a box, the bottom end of the box is provided with a plurality of through holes; a grounding assembly, comprising a connecting part, a grounding connector and a plurality of grounding cables, the connecting part is arranged in the box, the grounding connector is connected to the connecting part, the grounding connector is used for grounding, a plurality of grounding cables are arranged in a plurality of through holes respectively, the top end of the grounding cable is connected to the connecting part, and the bottom end of the grounding cable is used for connecting the metal sheath of a high-voltage cable; a current sensor arranged in the box is used for detecting the grounding current of the grounding cable; a data processor arranged in the box and electrically connected to the current sensor; a heat dissipation assembly, comprising a plurality of heat pipes, a plurality of heat pipes are arranged in a plurality of through holes respectively, and are arranged on the outside of a plurality of grounding cables respectively, the top end of the heat pipe extends into the box, and the bottom end of the heat pipe extends out of the box.
2. The ground box with metal sheath insulation condition monitoring according to claim 1, characterized in that, The heat dissipation assembly further comprises: a heat absorption frame arranged in the box, and the top end of a plurality of heat pipes is connected to the heat absorption frame.
3. The ground box with metal sheath insulation condition monitoring according to claim 2, characterized in that, The heat absorption frame comprises: a heat-conducting connecting plate, the top end of a plurality of heat pipes is connected to the heat-conducting connecting plate; a plurality of heat absorption parts connected to the heat-conducting connecting plate, and at least part of the heat absorption parts is located on the side of the current sensor.
4. The ground box with metal sheath insulation condition monitoring according to claim 3, characterized in that, The heat absorption part comprises: a heat absorption plate connected to the heat-conducting connecting plate; a plurality of heat absorption sheets arranged on at least one side of the surface in the thickness direction of the heat absorption plate.
5. The metal-sheathed insulation condition monitored grounding box according to any one of claims 1 to 4, characterized in that, The heat dissipation assembly further comprises: a heat dissipation frame located below the box, and the bottom end of a plurality of heat pipes is connected to the heat dissipation frame.
6. The ground box with metal sheath insulation condition monitoring according to claim 5, characterized in that, The heat dissipation frame comprises: a plurality of first heat dissipation strips arranged side by side; a plurality of second heat dissipation strips arranged side by side; Wherein, the first heat dissipation strip and the second heat dissipation strip are cross-connected.
7. The metal-sheathed insulation condition monitored grounding box according to any one of claims 1 to 4, characterized in that, The hole wall of the through hole is attached with a sealing sleeve, and the sealing sleeve is arranged on the outside of the heat pipe.
8. The metal-sheathed insulation condition monitored grounding box according to any one of claims 1 to 4, characterized in that, The box is provided with a voltage sensor, the voltage sensor is used for detecting the induced voltage of the grounding cable, and the data processor is electrically connected to the voltage sensor.
9. The metal-sheathed insulation condition monitored grounding box according to any one of claims 1 to 4, characterized in that, The top end of the box is provided with a solar panel, and the solar panel is connected to the data processor and the current sensor.
10. The metal-sheathed insulation condition monitored grounding box according to any one of claims 1 to 4, characterized in that, The box is provided with a wireless communication module, and the wireless communication module is electrically connected to the data processor.