CN221263333U - Intelligent direct grounding box - Google Patents

Abstract

The application discloses an intelligent direct grounding box which comprises a box body, a first three-phase cable, a second three-phase cable, a grounding assembly, a first current monitoring device and a second current monitoring device. Be provided with the inlet on the box, first three-phase cable includes three first single-core cable, and the second three-phase cable includes three second single-core cable, and first single-core cable and second single-core cable stretch into in the box from the inlet. The grounding assembly is installed in the box body and comprises a grounding piece, a first wiring device and a second wiring device, the first wiring device comprises three first wire inlet seats, the first wire inlet seats are electrically connected with a first single-core cable, the second wiring device comprises three second wire inlet seats, the second wire inlet seats are electrically connected with a second single-core cable, the first wire inlet seats and the second wire inlet seats are electrically connected with the grounding piece, and the grounding piece is grounded. The first current monitoring device and the second current monitoring device are used for monitoring the currents of the first single-core cable and the second single-core cable and feeding back the currents to the monitoring platform.

Description

Intelligent direct grounding box

Technical Field

The application relates to the technical field of power cable grounding boxes, in particular to an intelligent direct 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, it is required to use a grounding box, and a grounding mode of protecting one end from grounding and directly grounding one end is generally adopted to limit induced voltage and fault overvoltage on a power cable metal sheath. Because the functions of the direct grounding box and the protection grounding box are different, in a section of cable line, the direct grounding box and the grounding protection box are generally required to be combined for use, so that different protection effects are achieved, and the purpose of safe and reliable grounding of the cable is achieved.

However, in practical engineering application, various links of field construction are more influenced by constraint factors, especially for shorter cable lines, the problem of small installation space exists, and according to the field situation and engineering requirements, two direct grounding boxes are sometimes required to be installed at the same position, so that the occupied space is large and the cost is high.

In addition, the traditional direct grounding box has only a single grounding protection function, and daily operation and maintenance mainly depend on manual inspection, so that the operation state of a cable grounding system can not be detected and reflected in time.

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 an intelligent direct grounding box, which can solve the problems of large occupied space, higher cost and need of manual periodic inspection of the traditional direct grounding box.

According to an embodiment of the application, an intelligent direct grounding box comprises:

The box body is provided with a wire inlet;

The first three-phase cable comprises three first single-core cables, the second three-phase cable comprises three second single-core cables, and the first single-core cables and the second single-core cables extend into the box body from the wire inlet;

The grounding assembly is installed in the box body and comprises a grounding piece, a first wiring device and a second wiring device, the first wiring device comprises three first wire inlet seats corresponding to the first single-core cables one by one, the first wire inlet seats are electrically connected with the first single-core cables, the second wiring device comprises three second wire inlet seats corresponding to the second single-core cables one by one, the second wire inlet seats are electrically connected with the second single-core cables, the first wire inlet seats and the second wire inlet seats are electrically connected with the grounding piece, and the grounding piece is grounded;

Three first current monitoring devices which are in one-to-one correspondence with the first single-core cables are used for monitoring the current of the first single-core cables and feeding the current back to a monitoring platform;

And the three second current monitoring devices are in one-to-one correspondence with the second single-core cables, and the second current monitoring devices are used for monitoring the current of the second single-core cables and feeding back the current to the monitoring platform.

The intelligent direct grounding box provided by the embodiment of the application has at least the following beneficial effects:

through adopting two sets of three-phase cable, realize six lines of three-phase, first single-core cable and second single-core cable all with ground connection spare electric connection for the effect of two three-phase three-wire ground protection boxes can be realized to an intelligent direct ground connection case of installation, the cost is reduced, occupation space is little, in addition, can the current on first single-core cable and the second single-core cable of real-time supervision respectively through three first current monitoring devices and three second current monitoring devices, thereby know the running state of first three-phase cable and second three-phase cable, need not artifical inspection.

According to some embodiments of the application, the grounding assembly further comprises a first L-shaped plate, a second L-shaped plate and a connecting plate, wherein the first wire inlet seat is electrically connected with one end of the first L-shaped plate, the other end of the first L-shaped plate is electrically connected with one end of the connecting plate, the other end of the connecting plate is electrically connected with the grounding piece, the second wire inlet seat is electrically connected with one end of the second L-shaped plate, and the other end of the second L-shaped plate is electrically connected with the grounding piece.

According to some embodiments of the application, the grounding assembly further comprises a transition plate, the other end of the connection plate is electrically connected to one end of the transition plate, and the other end of the transition plate is electrically connected to the grounding member.

According to some embodiments of the application, the grounding assembly further comprises three first bridging plates and three second bridging plates, the first bridging plates are in one-to-one correspondence with the first wire inlet seats, the second bridging plates are in one-to-one correspondence with the second wire inlet seats, the first wire inlet seats are electrically connected with the first L-shaped plates through the first bridging plates, and the second wire inlet seats are electrically connected with the second L-shaped plates through the second bridging plates.

According to some embodiments of the application, the first wire inlet seat is mounted on the first support plate.

According to some embodiments of the application, the box further comprises a first support and a second support, one end of the first support plate is fixedly connected with the box through the first support, and the other end of the first support plate is fixedly connected with the box through the second support.

According to some embodiments of the application, the first support plate is mounted in the housing, and the first wire inlet seat is mounted on the first support plate.

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 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 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 diagram of an intelligent direct grounding box according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a grounding assembly 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:

the box 100, a wire inlet 110, a hinge 120, a plugging plate 130, a first single-core cable 140,

The grounding member 200, the first wire-feeding seat 210, the second wire-feeding seat 220, the first L-shaped plate 230, the first bridging plate 231, the second L-shaped plate 240, the second bridging plate 241, the connecting plate 250, the transition plate 260, the first supporting plate 270, the first bracket 271, the second bracket 272, the second supporting plate 280,

A first current monitoring device 300, a second current monitoring device 310,

A data processing module 400,

Smoke alarm 500,

Solar power module 600.

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.

An intelligent direct grounding box according to an embodiment of the present application is described below with reference to fig. 1 to 4.

According to an embodiment of the application, as shown in fig. 1, an intelligent direct grounding box comprises: the three-phase cable comprises a box 100, a first three-phase cable, a second three-phase cable, a grounding assembly, three first current monitoring devices 300 and three second current monitoring devices 310. The box 100 is provided with a wire inlet 110, the first three-phase cable comprises three first single-core cables 140, the second three-phase cable comprises three second single-core cables, and the first single-core cables 140 and the second single-core cables extend into the box 100 from the wire inlet 110. The grounding assembly is installed in the box 100, as shown in fig. 2, the grounding assembly includes a grounding member 200, a first wiring device and a second wiring device, the first wiring device includes three first wire-inlet seats 210 corresponding to the first single-core cables 140 in a one-to-one manner, the first wire-inlet seats 210 are electrically connected to the first single-core cables 140, the second wiring device includes three second wire-inlet seats 220 corresponding to the second single-core cables in a one-to-one manner, the second wire-inlet seats 220 are electrically connected to the second single-core cables, the first wire-inlet seats 210 and the second wire-inlet seats 220 are electrically connected to the grounding member 200, and the grounding member 200 is grounded. As shown in fig. 2, the first current monitoring device 300 is in one-to-one correspondence with the first single-core cable 140, and the first current monitoring device 300 is used for monitoring the current of the first single-core cable 140 and feeding back the current to the monitoring platform. The second current monitoring devices 310 are in one-to-one correspondence with the second single-core cables, and the second current monitoring devices 310 are used for monitoring the current of the second single-core cables and feeding back the current to the monitoring platform.

In this embodiment, through adopting two sets of three-phase cable, realize six lines of three-phase, first single-core cable 140 and second single-core cable all with ground connection 200 electric connection for install the effect that an intelligent direct earthing box can realize two three-phase three-wire ground protection boxes, occupation space is little, the cost is reduced, can monitor the electric current on first single-core cable 140 and the second single-core cable respectively in real time through three first current monitoring devices 300 and three second current monitoring devices 310, thereby know the running state of first three-phase cable and second three-phase cable, need not the manual work and patrols and examine.

It should be understood that, as shown in fig. 3, a data processing module 400 is further disposed in the box 100, the output ends of the first current monitoring device 300 and the second current monitoring device 310 are electrically connected to the input end of the data processing module 400, and the output end of the data processing module 400 is communicatively connected to the monitoring platform. The current monitoring data fed back by the first current monitoring device 300 and the second current monitoring device 310 are processed by the data processing module 400 and then sent to the monitoring platform. The data processing module 400 employs a single-chip microcomputer. The first current monitoring device 300 and the second current monitoring device 310 employ current sensors.

In an embodiment of the application, as shown in fig. 2, the grounding assembly further includes a first L-shaped plate 230, a second L-shaped plate 240 and a connecting plate 250, the first wire inlet seat 210 is electrically connected to one end of the first L-shaped plate 230, the other end of the first L-shaped plate 230 is electrically connected to one end of the connecting plate 250, the other end of the connecting plate 250 is electrically connected to the grounding member 200, the second wire inlet seat 220 is electrically connected to one end of the second L-shaped plate 240, and the other end of the second L-shaped plate 240 is electrically connected to the grounding member 200.

In this embodiment, the first wire inlet seat 210 is electrically connected to the grounding member 200 through the first L-shaped plate 230 and the connecting plate 250 in sequence, so as to be grounded. The second wire inlet seat 220 is electrically connected to the grounding member 200 through the second L-shaped plate 240, thereby being grounded. The longer ends of the first L-shaped plate 230 and the second L-shaped plate 240 are conveniently connected with the plurality of first wire inlet seats 210 or the plurality of second wire inlet seats 220.

In an embodiment of the present application, as shown in fig. 2, the grounding assembly further includes a transition plate 260, wherein the other end of the connection plate 250 is electrically connected to one end of the transition plate 260, and the other end of the transition plate 260 is electrically connected to the grounding member 200.

In this embodiment, the connection plate 250 is electrically connected to the grounding member 200 through the transition plate 260, thereby being grounded.

In an embodiment of the application, as shown in fig. 2, the grounding assembly further includes three first bridging plates 231 and three second bridging plates 241, the first bridging plates 231 are in one-to-one correspondence with the first wire inlet seats 210, the second bridging plates 241 are in one-to-one correspondence with the second wire inlet seats 220, the first wire inlet seats 210 are electrically connected to the first L-shaped plates 230 through the first bridging plates 231, and the second wire inlet seats 220 are electrically connected to the second L-shaped plates 240 through the second bridging plates 241.

In this embodiment, the first wire-feeding seat 210 is electrically connected to the first L-shaped plate 230 through the first bridging plate 231, and the second wire-feeding seat 220 is electrically connected to the second L-shaped plate 240 through the second bridging plate 241.

In an embodiment of the present application, as shown in fig. 2, the apparatus further includes a first support plate 270, the first support plate 270 is installed in the case 100, the first incoming line seat 210 is installed on the first support plate 270, and the first current monitoring device 300 is installed on the first support plate 270.

In this embodiment, the first wire inlet seat 210 is installed on the first support plate 270, and is stably installed in the box 100 through the first support plate 270, and the first current monitoring device 300 is installed on the first support plate 270 at a position corresponding to the first wire inlet seat 210, so as to perform current monitoring on the first single-core cable 140 installed on the first wire inlet seat 210.

In an embodiment of the present application, as shown in fig. 2, the device further includes a first bracket 271 and a second bracket 272, wherein one end of the first support plate 270 is fixedly connected to the case 100 through the first bracket 271, and the other end of the first support plate 270 is fixedly connected to the case 100 through the second bracket 272.

In this embodiment, the first support 271 and the second support 272 are both C-shaped, and the first support plate 270 is mounted on the box 100 by the C-shaped support, and the first support plate 270 is lifted by a certain height, so that a height difference exists between the first support plate 270 and the second support plate 280, so that the first three-phase cable and the second three-phase cable can be routed conveniently.

In an embodiment of the present application, as shown in fig. 2, the apparatus further includes a second support plate 280, the second support plate 280 is installed in the case 100, the second incoming line seat 220 is installed on the second support plate 280, and the second current monitoring device 310 is installed on the second support plate 280.

In this embodiment, the second wire inlet seat 220 is installed on the second support plate 280, and is stably installed in the box 100 through the second support plate 280, and the second current monitoring device 310 is installed on the second support plate 280 at a position corresponding to the second wire inlet seat 220, so as to perform current monitoring on the second single-core cable installed on the second wire inlet seat 220.

An embodiment of the present application, as shown in fig. 3, further includes a smoke alarm 500, and the smoke alarm 500 is installed in the case 100.

In this embodiment, the smoke alarm 500 monitors smoke in the case 100, so as to realize a smoke alarm function and enhance safety performance.

In an embodiment of the present application, as shown in fig. 1, the solar power module 600 is further included, the solar power module 600 is installed on the top of the box 100, and the solar power module 600 is used for supplying power.

In this embodiment, the solar power taking module 600 is installed at the top of the box 100, and performs solar power generation, so as to supply power to the data processing module 400 and the like in the box 100, which is energy-saving and environment-friendly.

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 disposed 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, positions of the wire inlets 110 correspond to positions of the first wire inlet seat 210 and the second wire inlet seat 220, and the first three-phase cable and the second three-phase cable are conveniently inserted from the wire inlets 110, so that 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. Intelligent direct grounding case, its characterized in that includes:

The box body (100), the box body (100) is provided with a wire inlet (110);

A first three-phase cable and a second three-phase cable, wherein the first three-phase cable comprises three first single-core cables (140), the second three-phase cable comprises three second single-core cables, and the first single-core cables (140) and the second single-core cables extend into the box body (100) from the wire inlet (110);

the grounding assembly is installed in the box body (100), the grounding assembly comprises a grounding piece (200), a first wiring device and a second wiring device, the first wiring device comprises three first wire inlet seats (210) which are in one-to-one correspondence with the first single-core cables (140), the first wire inlet seats (210) are electrically connected with the first single-core cables (140), the second wiring device comprises three second wire inlet seats (220) which are in one-to-one correspondence with the second single-core cables, the second wire inlet seats (220) are electrically connected with the second single-core cables, the first wire inlet seats (210) and the second wire inlet seats (220) are electrically connected with the grounding piece (200), and the grounding piece (200) is grounded;

Three first current monitoring devices (300) which are in one-to-one correspondence with the first single-core cables (140), wherein the first current monitoring devices (300) are used for monitoring the current of the first single-core cables (140) and feeding back the current to a monitoring platform;

And the three second current monitoring devices (310) are in one-to-one correspondence with the second single-core cables, and the second current monitoring devices (310) are used for monitoring the current of the second single-core cables and feeding back the current to the monitoring platform.

2. The intelligent direct grounding box of claim 1, wherein: the grounding assembly further comprises a first L-shaped plate (230), a second L-shaped plate (240) and a connecting plate (250), wherein the first wire inlet seat (210) is electrically connected with one end of the first L-shaped plate (230), the other end of the first L-shaped plate (230) is electrically connected with one end of the connecting plate (250), the other end of the connecting plate (250) is electrically connected with the grounding piece (200), the second wire inlet seat (220) is electrically connected with one end of the second L-shaped plate (240), and the other end of the second L-shaped plate (240) is electrically connected with the grounding piece (200).

3. The intelligent direct grounding box of claim 2, wherein: the grounding assembly further comprises a transition plate (260), the other end of the connecting plate (250) is electrically connected with one end of the transition plate (260), and the other end of the transition plate (260) is electrically connected with the grounding piece (200).

4. The intelligent direct grounding box of claim 2, wherein: the grounding assembly further comprises three first bridging plates (231) and three second bridging plates (241), the first bridging plates (231) are in one-to-one correspondence with the first wire inlet seats (210), the second bridging plates (241) are in one-to-one correspondence with the second wire inlet seats (220), the first wire inlet seats (210) are electrically connected with the first L-shaped plates (230) through the first bridging plates (231), and the second wire inlet seats (220) are electrically connected with the second L-shaped plates (240) through the second bridging plates (241).

5. The intelligent direct grounding box of claim 2, wherein: the novel box further comprises a first supporting plate (270), wherein the first supporting plate (270) is installed in the box body (100), and the first wire inlet seat (210) is installed on the first supporting plate (270).

6. The intelligent direct grounding box of claim 5, wherein: still include first support (271) and second support (272), one end of first backup pad (270) is passed through first support (271) fixed connection box (100), the other end of first backup pad (270) is passed through second support (272) fixed connection box (100).

7. The intelligent direct grounding box of claim 2, wherein: the box further comprises a second supporting plate (280), the second supporting plate (280) is installed in the box body (100), and the second incoming line seat (220) is installed on the second supporting plate (280).

8. The intelligent direct grounding box of claim 1, wherein: the smoke alarm (500) is arranged in the box body (100).

9. The intelligent direct grounding box of claim 1, wherein: the solar power supply box further comprises a solar power taking module (600), wherein the solar power taking module (600) is arranged at the top of the box body (100), and the solar power taking module (600) is used for supplying power.

10. The intelligent direct grounding 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 wire (110) set up on shutoff board (130).