CN210111524U - Terminal box - Google Patents

Abstract

The utility model relates to a junction box. The junction box comprises a box body, the box body comprises a front cover and a rear cover which are oppositely buckled, a plurality of sockets which are used for being in plug-in connection with the equipment cabinet are arranged on the front cover, hooks which are used for being hooked with the cabinet door of the equipment cabinet are arranged on the rear side of the box body, a hoisting structure which is used for realizing hoisting of the junction box is arranged on the upper portion of the box body, cable through holes which are used for allowing cables connected with the sockets to penetrate out are formed in the position on the box body, and a wire passing channel communicated with the cable through holes is formed in the hoisting structure so that the cables penetrate out through the. The junction box is provided with the hook, and when the equipment cabinet needs to be plugged through a cable, the equipment cabinet can be hung at the cabinet door of the equipment cabinet through the hook, so that the equipment cabinet is convenient to place; and the cable via hole has set up the position that leans on at the box body, and the cable of being convenient for is connected with another terminal box that corresponds through the top, is applicable to and is connected the occasion of debugging with the equipment cabinet.

Description

Terminal box

Technical Field

The utility model relates to a junction box.

Background

The intelligent substation system is divided into 3 layers which are respectively a process layer, a spacing layer and a station control layer, wherein the process layer comprises intelligent equipment, a merging unit and an intelligent terminal, and the intelligent equipment, the merging unit and the intelligent terminal are composed of primary equipment and intelligent components, and related functions of distribution, transformation, transmission, measurement, control, protection, metering, state monitoring and the like of the electric energy of the substation are completed.

In the debugging process of the process layer equipment cabinet of the intelligent substation in the factory, connecting wires such as power lines, optical fibers and network cables are needed, especially signal transmission between the process layer and the spacing layer and between the process layer and the process layer needs a large amount of optical fibers for connection testing, and in the debugging process of the factory, the process layer equipment cabinet basically exists in the form of a single device and needs to be connected with the corresponding equipment cabinet in the factory for debugging. However, the process layer equipment cabinet is large and difficult to move, the types of cable interfaces required to be connected are more, and in the debugging process, the wiring field is disordered, the arrangement workload is large, the wiring identification is disordered, the wiring adjustment is troublesome, and the debugging efficiency is influenced.

To above problem, now consider two terminal boxes that are connected with the cable between through to be connected with two equipment of treating the debugging respectively to realize being connected between two debugging equipment, only need when connecting like this treat the debugging equipment cabinet with the terminal box that corresponds be connected can, need not to reconnect and arrange in order the cable between two terminal boxes, wiring length is shorter, is difficult for obscuring between the different connecting wires, connect the installation clearly convenient, the wiring adjustment is convenient, the arrangement is convenient. However, the junction box in the prior art is not suitable for the occasion of connecting and debugging with the equipment cabinet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal box suitable for be connected the debugging with equipment cabinet.

In order to achieve the above object, the technical solution of the junction box of the present invention is:

the utility model provides a junction box, includes the box body, and the box body includes the protecgulum and the back lid of relative lock, is equipped with a plurality of sockets that are used for carrying out the plug-in connection with the cable of being connected on the equipment cabinet on the protecgulum, and the rear side of box body is equipped with the couple that is used for carrying out the hook with the cabinet door of equipment cabinet, the upper portion of box body is equipped with the hoisting structure who is used for realizing the junction box hoist and mount, still be equipped with the cable via hole that the cable that is used for supplying the socket to connect worn out at the position that leans on the box body, hoisting structure is formed with the wire passing.

The utility model has the advantages that: the utility model provides a terminal box passes through hoisting structure can be convenient realization hoist and mount to hoisting structure can form the cross wire passage with cable via hole intercommunication, because hoisting structure is formed with cross wire passage, each cable is drawn forth through cross wire passage, can not take place to twine, interfere with hoisting structure. When the junction box is not used, the hoisting equipment can hoist the junction box above the plant through the hoisting structure, so that the working space in the plant is not occupied; when the junction box is needed, the junction box can be directly put down to be connected and debugged, and the operation is simple. The box body is provided with the hook, and when the equipment cabinet needs to be plugged through a cable, the equipment cabinet can be hung at the cabinet door of the equipment cabinet through the hook, so that the junction box can be conveniently placed and fixed; the cable via hole has set up the position that leans on at the box body, and the cable that two terminal boxes link is convenient for draw forth from the box body upside and is walked around from the top of two equipment cabinets of treating the debugging, vacates the space between two debugging equipment.

Furthermore, the hook is a U-shaped frame structure with a downward opening, and one of two parallel parts of the U-shaped frame structure is connected with the rear cover. U type frame structure not only can be hooked on the cabinet door of equipment cabinet, because U type frame has certain width, compares in the couple through the crooked formation of iron wire more stable, is difficult for rocking when inserting the cable in the socket on the terminal box.

Further, the cable via hole is formed in the top of the box body. With the cable via hole setting behind the box body top, the cable directly upwards extends through the cable via hole, compares in the mode of setting up the cable via hole on the terminal box lateral wall, has reduced the degree of buckling of cable.

Furthermore, the plurality of jacks comprise optical fiber jacks, and a winding displacement path for guiding optical fibers connected to the optical fiber jacks is arranged in the box body so as to avoid the optical fiber from being bent to a degree smaller than the minimum bending radius. The optical fiber can be limited in a preset winding displacement path through the optical fiber clamping structure, and the phenomenon that the bending radius of the optical fiber is smaller than the minimum bending radius due to the fact that the optical fiber is freely bent in the box body is avoided, and then the optical fiber is broken.

Further, the optical fiber socket is arranged at the lower position of the front cover, and the optical fiber wire clamping structure is located at the lower position in the box body. The optical fiber socket is arranged at the lower position of the front cover and far away from the cable via hole arranged at the upper position, and the optical fiber clamping structure can enable the optical fiber to be bent in the box by a larger bending radius, so that the bending degree of the cable is reduced.

Furthermore, the lower end of the front cover is provided with an inclined plane section which is gradually close to the rear cover from top to bottom, the optical fiber socket is positioned on the inclined plane section, and the opening is inclined downwards. After the optical fiber socket is obliquely arranged, the bending degree of the optical fiber in the box body can be reduced, the optical fiber is closer to a straight line, the optical loss of the optical fiber during bending is reduced, and the optical fiber is prevented from being broken due to the large bending degree.

Furthermore, the optical fiber wire clamping structure is an L-shaped wire clamping frame, the vertical edge of the L-shaped wire clamping frame is fixed on the rear cover, the horizontal edge of the L-shaped wire clamping frame is provided with a wire through hole which is communicated up and down, and when the optical fiber wire clamping structure is used, the optical fiber penetrates through the wire through hole and is limited by the wire through hole. The L-shaped wire clamping frame is simple in structure and easy to arrange.

Furthermore, the hoisting structure is fixedly provided with a cable clamping structure on the wire passing channel, and the cable clamping structure is provided with a wire clamping channel for the connecting wires on each jack to pass through. The cable clamping structure can arrange cables which need to pass through the cable through holes, so that the installation of the cables is simpler and more convenient.

Furthermore, the hoisting structure is a tubular structure with the lower end fixedly connected with the upper end face of the box body and the upper end open, the inner cavity of the tubular structure forms the wire passing channel, and a hoisting hole used for being connected with a hoisting tool is formed in the side wall of the upper end of the tubular structure. The hoisting structure with the cylindrical structure is convenient to arrange.

Drawings

Fig. 1 is a front view of an embodiment of a junction box of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a schematic view of a fixing manner of an L-shaped wire-clamping frame according to an embodiment of the junction box of the present invention;

fig. 4 is a schematic diagram of a cable routing path in an embodiment of the junction box of the present invention;

fig. 5 is a schematic structural view of a wire clamping plate in an embodiment of the junction box of the present invention;

description of reference numerals: 1-a junction box; 2-optical fiber socket; 3-network cable switching socket; 4-a power adapter; 5-power socket; 6-hoisting the structure; 7-a wire clamping plate; 8-U-shaped frame; 9-fixing screws; 10-rear cover; 11-a front cover; 12-a wire clamping channel; 13-L type wire clip frame; 14-a bolt; 15-a nut; 16-an optical fiber; and 17-hoisting holes.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses a concrete embodiment of terminal box, terminal box in this embodiment is for being applicable to the terminal box of debugging wiring system. The debugging wiring system comprises two wiring boxes 1 used in pairs, corresponding cable sockets are arranged on the wiring boxes 1, and the corresponding sockets on the wiring boxes 1 are connected through cables. Be equipped with the hoist cable in the workshop, two terminal boxes 1 hoist and mount in the workshop through the hoist cable, when needs use terminal box 1, directly put down terminal box 1 and can connect the debugging, easy operation.

As shown in fig. 1 and 2, the junction box 1 includes a box body, the box body includes a front cover 11 and a rear cover 10 which are relatively buckled, a plurality of sockets for connecting with the equipment cabinet through corresponding cables are provided on the front cover 11, the sockets include a power socket 5, a power adapter 4, a network cable adapter socket 3 and an optical fiber socket 2, wherein the optical fiber socket 2 is arranged below the front cover 11 and extends along a transverse direction, the power socket 5, the power adapter 4 and the network cable adapter socket 3 are all provided above the optical fiber socket 2, and the network cable adapter socket 3 is fixed on the front cover 11 through a fixing screw 9. In other embodiments, the socket type may be any two or three of a fiber optic socket, a power adapter, and a network cable adapter socket.

The top of the front cover 11 of the junction box 1 is provided with a cable through hole, the cable through hole is arranged at the top of the box body, and a cable connected with the socket can directly extend upwards through the cable through hole. Compared with the mode that the cable through holes are formed in the side wall of the junction box 1, bending of the cable is reduced. Of course, in other embodiments, when the cable can be bent at a large angle, the cable passing hole may be provided in an upper portion of the side wall of the front cover.

In order to facilitate the hoisting of the junction box, the hoisting structure 6 is arranged above the junction box 1, and the hoisting structure 6 is a square barrel with an opening in the upper part. The lower end face of the barrel and the upper end face of the junction box 1 are fixed through bolts, the lower end face of the barrel is provided with an opening corresponding to the cable through hole, the left side wall and the right side wall of the barrel wall are provided with hoisting holes 17, an inner cavity of the barrel forms a wire passing channel for a cable to pass through, and each cable is led out through the wire passing channel and cannot be wound or interfered with a hoisting structure. In other embodiments, the hoisting structure may also be two hoisting plates fixed at the top end of the junction box and oppositely arranged, the hoisting plates are provided with hoisting holes, a wire passing channel is formed between the two hoisting plates, and the bottoms of the hoisting plates are provided with folded edges and fixed on the upper end surface of the junction box through bolts. In other embodiments, the hoisting structure may also be a U-shaped member extending in the up-down direction, hoisting holes are provided on two opposite side surfaces of the U-shaped member, the U-shaped member encloses the wire passage, and the bottom of the U-shaped member is provided with a folded edge and fixed on the upper end surface of the junction box by bolts.

In order to place the junction box 1, a U-shaped frame 8 with a downward opening is disposed on the rear cover 10 of the junction box 1 in this embodiment, and the junction box 1 can be hung on a cabinet door of the equipment cabinet through the U-shaped frame 8. The U-shaped frame 8 has two parallel parts, one of which is provided with a fixing hole, the corresponding position of the rear cover 10 is also provided with a fixing hole, and the two fixing holes are connected and fixed through a bolt and a nut after corresponding. The surface of the U-shaped frame 8 is also coated with wear-resistant materials, so that the service life of the U-shaped frame 8 is prolonged. In this embodiment, U type frame 8 constitutes the couple, because U type frame 8 has certain width, compares in the couple that forms through the iron wire bending more stable, is difficult for rocking when inserting the cable in the socket on terminal box 1. Of course, in other embodiments, the terminal box may also be provided with hooks formed by bending iron wires. In other embodiments, the U-shaped frame may be fixed on the top of the front cover or fixed on two side walls of the front cover.

In order to minimize the bending angle of the optical fiber 16 in the junction box, the lower end of the front cover 11 has a slope section gradually approaching the rear cover 10 from top to bottom, the optical fiber insertion opening 2 is on the slope section and the opening is downward. After the optical fiber socket 2 is obliquely arranged, the optical fiber 16 can extend upwards out of the box body only by bending a small angle, so that the optical fiber 16 is closer to a straight line, and the optical loss of the optical fiber 16 during bending is reduced. In other embodiments, each side wall of the front cover can be arranged vertically, and the optical fiber insertion openings are arranged towards the outer side horizontally; the optical fiber socket can be arranged at the bottom of the front cover, at the moment, the optical fiber is inserted into the optical fiber socket from bottom to top, the optical fiber is close to a straight line, and the optical fiber is difficult to be plugged.

In order to insert a cable into the cable through hole, the wire clamping plate 7 is clamped on the hoisting structure 6 in the embodiment. As shown in fig. 5, the wire clamping plate 7 includes a plate body and clamping grooves disposed on two side edges of the plate body in the width direction, the clamping grooves form a wire clamping channel 12, when the cables are installed, the cables are correspondingly clamped in the wire clamping channel 12, and then the cables are inserted into the cable through holes together, so that the installation is simple and convenient. In other embodiments, the cable channel is not arranged, and the cable can be directly inserted into the cable through hole; in other embodiments, a wire clamping frame may be provided, and a plurality of U-shaped clamps are provided on the wire clamping frame, and each clamp itself encloses a wire clamping channel. In other embodiments, the line clamping plate may not be disposed in the hoisting structure, but disposed on the upper side or the lower side of the cable through hole, for example, a mounting groove for mounting the line clamping plate is disposed on the front cover at a position close to the cable through hole, and the line clamping plate is inserted into the mounting groove.

As shown in fig. 3 and 4, in order to limit the position of the optical fiber 16 in the junction box 1, in the present embodiment, an L-shaped wire holder 13 is provided in the junction box 1, and the L-shaped wire holder 13 has a horizontal side horizontally disposed and a vertical side fixed to the rear cover 10. The vertical edge is provided with a fixing hole, the corresponding position on the rear cover 10 is also provided with a fixing hole, and the bolt 14 passes through the two fixing holes and is fixed by the nut 15 so as to fix the L-shaped wire clamping frame 13 on the rear cover 10. The horizontal edge of the L-shaped wire clamping frame 13 is provided with a threading hole which is penetrated up and down, when in installation, the optical fiber 16 is penetrated in the threading hole, and then the L-shaped wire clamping frame 13 and the optical fiber 16 are fixed in the junction box 1. In this embodiment, the L-shaped wire clamping frame 13 forms an optical fiber wire clamping structure, and the optical fiber 16 can be limited in a preset winding displacement path through the optical fiber wire clamping structure, so as to avoid that the bending degree of the optical fiber 16 is smaller than the minimum bending radius due to the free bending of the optical fiber 16 in the box body, and further, the loss of the optical fiber 16 is too large. In other embodiments, a plurality of wire clamping protrusions integrally arranged with the rear cover can be arranged on the rear cover in a protruding manner towards the front cover, a wire clamping groove is formed between the wire clamping protrusions, the optical fiber can be clamped in the wire clamping groove for fixing, and the wire clamping protrusions form an optical fiber wire clamping structure.

During installation, two terminal boxes 1 are connected through various cables, the cables comprise electric wires, network cables and optical fibers 16, and one ends of the cables penetrate into the terminal boxes 1 through the wire clamping plates 7 and the cable through holes. The electric wires are connected to the power socket 5 and the power adapter 4, the network cable is connected to the network cable adapter socket 3, and the optical fiber 16 is connected to the optical fiber socket 2 below the junction box 1 after being limited by the L-shaped clamping frame 13. The junction box 1 is provided with the hook, so that when the equipment cabinet needs to be plugged through a cable, the junction box can be hung at the cabinet door of the equipment cabinet through the hook, and the junction box is convenient to place; and the cable via hole has set up the position that leans on at the box body, and the cable of being convenient for is connected with another terminal box 1 that corresponds through the top, is applicable to and is connected the occasion of debugging with the equipment cabinet. During the use, lifting device descends terminal box 1, hangs terminal box 1 behind the cabinet door of equipment cabinet through U type frame 8, is connected with corresponding terminal box 1 with two equipment cabinets that wait to debug in order to connect the debugging with two equipment cabinets respectively.

Claims (9)

1. A terminal block, characterized by: including the box body, the box body includes the protecgulum and the hou gai of relative lock, is equipped with a plurality of sockets that are used for carrying out plug-in connection with the cable of being connected on the equipment cabinet on the protecgulum, and the rear side of box body is equipped with the couple that is used for carrying out the hook with the cabinet door of equipment cabinet, the upper portion of box body is equipped with the hoisting structure who is used for realizing terminal box hoist and mount, still be equipped with the cable via hole that the cable that is used for supplying socket connection to wear out at the position of leaning on the box body, hoisting structure is formed with the wire passing channel with cable via hole intercommunication.

2. The junction box of claim 1, wherein: the hook is a U-shaped frame structure with a downward opening, and one of two parallel parts of the U-shaped frame structure is connected with the rear cover.

3. The junction box according to claim 1 or 2, wherein: the cable via hole is arranged at the top of the box body.

4. The junction box according to claim 1 or 2, wherein: the plurality of jacks comprise optical fiber jacks, and a winding displacement path for guiding optical fibers connected to the optical fiber jacks is arranged in the box body so as to avoid the optical fiber buckling degree being smaller than the minimum buckling radius of the optical fiber clamping structure.

5. The junction box of claim 4, wherein: the optical fiber socket is arranged at the lower position of the front cover, and the optical fiber wire clamping structure is positioned at the lower position in the box body.

6. The junction box of claim 5, wherein: the lower end of the front cover is provided with an inclined plane section which is gradually close to the rear cover from top to bottom, the optical fiber socket is positioned on the inclined plane section, and the opening is inclined downwards.

7. The junction box of claim 4, wherein: the optical fiber wire clamping structure is an L-shaped wire clamping frame, the vertical edge of the L-shaped wire clamping frame is fixed on the rear cover, the horizontal edge of the L-shaped wire clamping frame is provided with a through hole which is communicated up and down, and when the optical fiber wire clamping structure is used, the optical fiber penetrates through the through hole and is limited by the through hole.

8. The junction box according to claim 1 or 2, wherein: the hoisting structure is fixedly provided with a cable clamping structure on the wire passing channel, and the cable clamping structure is provided with a wire clamping channel for the connecting wires on each jack to pass through.

9. The junction box of claim 8, wherein: the hoisting structure is a tubular structure with the lower end fixedly connected with the upper end face of the box body and the upper end open, the inner cavity of the tubular structure forms the wire passing channel, and the side wall of the upper end of the tubular structure is provided with a hoisting hole used for being connected with a hoisting tool.

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