CN217903937U

CN217903937U - Three-phase intelligent protection grounding box

Info

Publication number: CN217903937U
Application number: CN202221780684.8U
Authority: CN
Inventors: 朱才良; 殷中华
Original assignee: JIANGSU AONENG ELECTRICITY CABLE ACCESSORIES CO Ltd
Current assignee: JIANGSU AONENG ELECTRICITY CABLE ACCESSORIES CO Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-25
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to a three-phase intelligence protection grounding box, it includes the box top is equipped with solar cell panel and antenna the box openly is equipped with the chamber door, the box divide into upper portion data processing module room and lower part ground connection copper bar room be equipped with data processing module in the upper portion data processing module room openly is equipped with data processing module room shrouding be equipped with the insulation board in the lower part ground connection copper bar room connect on the insulation board and be equipped with the copper bar, the copper bar divide into ground connection copper bar and connects the copper bar, and earth connection output terminal and terminal earth connection input terminal link to each other with the copper bar, connect on the connection copper bar of every terminal earth connection input terminal top and be equipped with the mutual-inductor the bottom half is equipped with a plurality of inlet wire seal covers. The utility model discloses compact structure, box insulating nature and shock resistance are good, and inside has airtight independent space, and direct ground connection and protection ground mode can interconvert, and is energy-conserving.

Description

Three-phase intelligent protection grounding box

Technical Field

The utility model relates to a ground connection case, concretely relates to data processing module and ground protection circuit fuse case.

Background

With the rapid development of Chinese economy and the continuous improvement of the urban modernization level, the power cable is used as an important device in an urban power grid, the development speed is extremely high, and the urban power cable is usually laid in the ground. One of the reasons for the fault of the urban cable in the actual operation is the fault of a grounding system of the power cable, which accounts for 21% of the fault of the cable, and the outer sheath of the power cable is easily damaged by external force, chemical corrosion, lightning overvoltage or system overvoltage and the like in the using process, so that the insulation of the sheath is damaged to cause one or more points of grounding, thereby destroying the grounding system of the metal sheath of the high-voltage cable, causing the unbalance of induced electromotive force of the metal sheath of the cable, causing the metal sheath to form a larger circulation with the large area, increasing the additional line loss and increasing the temperature of the cable; the main insulation can be endangered for a long time, the normal operation life of the cable line is shortened, and the safe operation of the line is influenced.

The common cable grounding box mainly comprises a cable sheath direct grounding box, a cable sheath protection grounding box and a cable cross interconnection protection grounding box. The inside of cable sheath direct grounding case contains connection copper bar, copper terminal etc. for the direct ground connection of cable sheath, inside need not to install cable sheath protector. The cable sheath protection grounding box and the cable sheath cross interconnection protection grounding box contain a cable sheath protector, a connecting copper bar, a copper terminal and the like and are used for protecting and grounding of the cable sheath. However, the existing power cable grounding box generally has the problems of general box body insulation, general mechanical impact resistance, general corrosion resistance and the like; the information processing module and the circuit are not provided with independent closed spaces, the data line is easy to age and the like, and the interference of electric signals and the like cannot be effectively shielded; the solar cell panel is not arranged, and the like.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims at overcoming the not enough among the prior art, provide a compact structure, box insulating nature and shock resistance are good, and inside has airtight independent space, and direct ground connection and protection ground connection mode can interconvert, energy-conserving three-phase intelligent protection grounding box.

The technical scheme is as follows: in order to solve the technical problem, three-phase intelligence protection ground connection case, it includes the box top is equipped with solar cell panel the solar cell panel top is equipped with the antenna the box openly is equipped with the chamber door, the box divide into upper portion data processing module room and lower part ground connection copper bar room the indoor data processing module that is equipped with of upper portion data processing module room openly is equipped with data processing module room shrouding be equipped with the insulation board in the lower part ground connection copper bar room connect on the insulation board and be equipped with the copper bar, the copper bar divide into ground connection copper bar and connects the copper bar, and earth connection output terminal and terminal earth connection input terminal link to each other with the copper bar, connect on the connection copper bar of every terminal earth connection input terminal top and be equipped with the mutual-inductor the bottom half is equipped with a plurality of seal covers inlet wire.

Further, a cable sheath protector is arranged at the joint of the connecting copper bar and the grounding copper bar above each mutual inductor.

Furthermore, mounting assemblies are arranged on two sides of the box body, and mounting ports are formed in the mounting assemblies.

Furthermore, a flexible polyurethane filler is arranged in each inlet wire sealing sleeve, and a silica gel phase color sealing cap is connected to the bottom of each inlet wire sealing sleeve.

Furthermore, four inlet wire sealing sleeves are arranged to form a three-in one-out structure.

Further, the number of the connecting copper bars is three or four.

Furthermore, the ground wire output terminal and the terminal ground wire input terminal are arranged up and down correspondingly to the wire inlet sealing sleeve.

Furthermore, the insulating plate is fixedly connected with the inner wall of the box body.

Further, the solar cell panel is obliquely arranged.

Further, the box body is made of 304# stainless steel.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model has reasonable overall structure, the data processing module and the grounding protection circuit are integrated into a whole, the compact structure, the box body is made of 304# stainless steel, the inside and outside are processed by adopting the electrostatic powder spraying high-temperature baking finish process, the appearance is attractive and standard, the insulation property of the box body is enhanced, the mechanical impact resistance, the corrosion resistance, the pollution resistance and other advantages are ensured, the information processing module and the circuit are arranged on the upper part of the box body, the independent closed space is provided, the problems of cutting of sharp instruments, biting of insects and mice, aging of sunshine insolation and the like caused by exposing data lines are avoided, unnecessary electric signal interference and damage caused by the impact of high-voltage grounding current and voltage on flashover, arcing and the like of equipment are effectively shielded, the solar cell panel is positioned at the top of the box body and is at an angle of 30 degrees, the solar radiation is favorable for the maximum sunlight irradiation, and the rainwater discharge and the flushing of dust fall are ensured, meanwhile, the whole energy is saved, the grounding protection circuit module is arranged at the lower part of the box body, the grounding copper bars are all positioned on the insulating board, the copper bars are respectively arranged in the insulating space of the grounding protection box according to the state net in a grounding way, the direct grounding mode and the protection grounding mode can be mutually converted, and the cable protection layer protector can be connected as required without other additional accessories, so that induced current of the introduced cable sheath is ensured, voltage is safely discharged into the ground through the grounding output copper bars through grounding wires, the intelligent circuit mutual inductor can accurately and safely acquire cable running current information data, a sealing sleeve for three inlets and one outlet of the grounding cable is sealed by a silica gel sealing cap, and a color mark is adopted, therefore, the intelligent grounding box has the advantages of ageing resistance, corrosion resistance and pollution resistance, and the filling of flexible polyurethane for water prevention, mosquito prevention and foreign matter prevention.

Drawings

Fig. 1 is a schematic diagram of the front internal structure of the direct grounding mode of the present invention;

fig. 2 is a schematic side view of the direct ground mode of the present invention;

fig. 3 is a schematic diagram of the front internal structure of the protection ground mode of the present invention;

fig. 4 is a schematic side view of the internal structure of the protection ground mode of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1

As shown in figures 1 and 2, the three-phase intelligent protection grounding box of the utility model comprises a box body 1, the box body 1 is made of 304# stainless steel, a solar panel 2 is obliquely arranged on the top of the box body 1, an antenna 3 is arranged on the top of the solar panel 2, a box door 4 is arranged on the front surface of the box body 1, the box body 4 is divided into an upper data processing module chamber 5 and a lower grounding copper bar chamber 6, a data processing module 7 is arranged in the upper data processing module chamber 5, a data processing module chamber closing plate 8 is arranged on the front surface of the upper data processing module chamber 5, an insulating plate 9 is arranged in the lower grounding copper bar chamber 6, the insulating plate 9 is fixedly connected with the inner wall of the box body 1, a copper bar is connected on the insulating plate 9, the copper bar divide into ground connection copper bar 10 and connects copper bar 11, and earth connection output terminal 12 and terminal earth connection input terminal 13 all link to each other with ground connection copper bar 10 through connecting copper bar 11, connect on the connection copper bar 10 of every terminal earth connection input terminal 13 top and be equipped with mutual-inductor 14 the 1 bottom of box is equipped with four inlet wire seal covers 15, and they constitute three-in one and go out the structure, earth connection output terminal 12 and terminal earth connection input terminal 13 correspond the setting from top to bottom with inlet wire seal cover 15, are equipped with flexible polyurethane filler 18 in every inlet wire seal cover 15 the connection of inlet wire seal cover 15 bottom is equipped with silica gel looks nut 19 1 both sides of box are equipped with installation component 17 be equipped with the installing port on the installation component 17.

Example 2

As shown in FIGS. 3 and 4, the three-phase intelligent protection grounding box of the present invention comprises a box body 1, wherein the box body 1 is made of 304# stainless steel, a solar panel 2 is obliquely arranged on the top of the box body 1, an antenna 3 is arranged on the top of the solar panel 2, a box door 4 is arranged on the front side of the box body 1, the box body 4 is divided into an upper data processing module chamber 5 and a lower grounding copper bar chamber 6, a data processing module 7 is arranged in the upper data processing module chamber 5, a data processing module chamber closing plate 8 is arranged on the front side of the upper data processing module chamber 5, an insulating plate 9 is arranged in the lower grounding copper bar chamber 6, the insulating plate 9 is fixedly connected with the inner wall of the box body 1, a copper bar is connected on the insulating plate 9, the copper bar is divided into a grounding copper bar 10 and a connecting copper bar 11, the ground wire output terminal 12 is connected with the grounding copper bar 10, the terminal ground wire input terminal 13 is connected with the grounding copper bar 10 through the connecting copper bar 11, a mutual inductor 14 is connected onto the connecting copper bar 10 above each terminal ground wire input terminal 13, a cable sheath protector 16 is arranged at the joint of the connecting copper bar 10 and the grounding copper bar 11 above each mutual inductor 14, four inlet wire sealing sleeves 15 are arranged at the bottom of the box body 1, the inlet wire sealing sleeves form a three-in one-out structure, the ground wire output terminal 12 and the terminal ground wire input terminal 13 correspond to the inlet wire sealing sleeves 15 up and down, a flexible polyurethane filler 18 is arranged in each inlet wire sealing sleeve 15, a silica gel color sealing cap 19 is connected to the bottom of each inlet wire sealing sleeve 15, mounting assemblies 17 are arranged on the two sides of the box body 1, and mounting ports are formed in the mounting assemblies 17.

The utility model has reasonable integral structure, the data processing module and the ground protection circuit are integrated into a whole, the compact structure is adopted, the box body is made of 304# stainless steel, the inside and the outside are processed by adopting the electrostatic powder spraying high-temperature baking finish process, the appearance is attractive and standard, the insulation of the box body is ensured to be enhanced, the mechanical impact resistance is realized, the corrosion resistance is realized, the pollution resistance is realized, and the like, the information processing module and the circuit are arranged on the upper part of the box body, the independent closed space is provided, the problems of cutting of sharp tools, gnawing and biting of insects and mice, aging caused by sunshine insolation and the like caused by the exposure of data wires are avoided, unnecessary electric signal interference and damage caused by the impact of high-voltage grounding current and voltage on equipment are effectively shielded, the solar cell panel is positioned on the top of the box body and is at an angle of 30 degrees, the sunlight irradiation of the maximum limit is facilitated, the rainwater discharge and the flushing of dust fall are ensured, meanwhile, the whole energy is saved, the grounding protection circuit module is arranged at the lower part of the box body, the grounding copper bars are all positioned on the insulating plate, the copper bars are respectively led into the insulating space of the grounding protection box according to the state net in a connected mode, the direct grounding mode and the protection grounding mode can be mutually converted, and the cable protection layer protector can be connected as required without other additional accessories, the led cable sheath induction current is ensured, the voltage is safely discharged into the ground through the grounding output copper bar through the grounding wire, the intelligent circuit mutual inductor can accurately and safely acquire the cable running current information data, the sealing sleeve for three inlet and outlet of the grounding cable is sealed and plugged by a silica gel cap, and the grounding cable is marked with colors.

The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.

Claims

1. Three-phase intelligent protection grounding box, its characterized in that: it includes box (1) top is equipped with solar cell panel (2) top is equipped with antenna (3) box (1) openly is equipped with chamber door (4), box (1) divide into upper portion data processing module room (5) and lower part ground copper bar room (6) be equipped with data processing module (7) in upper portion data processing module room (5) openly is equipped with data processing module room shrouding (8) be equipped with insulation board (9) in lower part ground copper bar room (6) connect on insulation board (9) and be equipped with the copper bar, the copper bar divide into ground copper bar (10) and connect copper bar (11), and earth connection output terminal (12) and terminal earth connection input terminal (13) link to each other with the copper bar, connect on connection copper bar (11) of every terminal earth connection input terminal (13) top and be equipped with mutual-inductor (14) box (1) bottom is equipped with a plurality of inlet wire seal covers (15).

2. The three-phase intelligent protection grounding box of claim 1, characterized in that: and a cable sheath protector (16) is arranged at the joint of the grounding copper bar (10) and the connecting copper bar (11) above each mutual inductor (14).

3. The three-phase intelligent protection grounding box of claim 1, characterized in that: the box body (1) is provided with mounting components (17) on two sides, and mounting ports are formed in the mounting components (17).

4. The three-phase intelligent protection grounding box of claim 1, characterized in that: a flexible polyurethane filler (18) is arranged in each inlet wire sealing sleeve (15), and a silica gel color sealing cap (19) is connected to the bottom of each inlet wire sealing sleeve (15).

5. The three-phase intelligent protection grounding box of claim 1, characterized in that: four wire inlet sealing sleeves (15) are arranged to form a three-in one-out structure.

6. The three-phase intelligent protection grounding box of claim 1 or 2, characterized in that: the number of the connecting copper bars (11) is three or four.

7. The three-phase intelligent protection grounding box of claim 1, characterized in that: and the ground wire output terminal (12) and the terminal ground wire input terminal (13) are vertically and correspondingly arranged with the wire inlet sealing sleeve (15).

8. The three-phase intelligent protection grounding box of claim 1, characterized in that: the insulating plate (9) is fixedly connected with the inner wall of the box body (1).

9. The three-phase intelligent protection grounding box of claim 1, characterized in that: the solar cell panel (2) is obliquely arranged.

10. The three-phase intelligent protection grounding box of claim 1, characterized in that: the box body (1) is made of 304# stainless steel.