CN205104793U - A distribution case for electricity distribution room - Google Patents

Abstract

The utility model provides a distribution case for electricity distribution room, the distribution case includes: box body (10), the opening that has the inner chamber and communicate with the inner chamber, the case lid, but switching ground sets up at the opening part, ONU equipment (30) set up in the inner chamber, are equipped with optical cable import, cable exit and net twine on the inner wall of box body (10) and import and export, and ONU equipment (30) have optical input end, electric input and net twine mouth, and optical input end and optical cable access connection, electric input are imported and exported with the cable and be connected, and the net twine mouth is connected with the net twine exit. The technical scheme of the utility model the problem that does not have the power consumption information of equipment collection, control and dispatch low -voltage distribution room among the prior art has been solved effectively.

Description

Distribution boxes for distribution rooms

technical field

The utility model relates to the technical field of electric power equipment, in particular to a distribution box for a power distribution room.

Background technique

At present, the 10kV power distribution room mainly distributes electric energy for low-voltage users, and the 10kV power distribution room is mainly the low-voltage Yonghua distribution point. The high-voltage power distribution room outputs the voltage of 10kV-35kV to 400V low-voltage through the substation, and the 400V low-voltage cable enters the low-voltage switchgear. The distribution network communication construction of the power distribution room is very important, but the communication part of the power distribution room in the prior art is blank. The low-voltage power distribution room is at the terminal of 10kV power output, and the 400V cables are output through the substation, which is essential for the collection, monitoring and scheduling of power consumption information of the low-voltage power distribution room. However, there is no device for collecting, monitoring and dispatching the electricity consumption information of the low-voltage power distribution room in the prior art.

Utility model content

The main purpose of the utility model is to provide a distribution box for a power distribution room to solve the problem in the prior art that there is no equipment to collect, monitor and dispatch the electricity consumption information of the low-voltage power distribution room.

In order to achieve the above purpose, the utility model provides a distribution box for a power distribution room, which includes: a box body with an inner cavity and an opening communicating with the inner cavity; a box cover that can be opened and closed at the opening ; ONU equipment, set in the inner cavity, the inner wall of the box body is provided with an optical cable inlet, cable inlet and outlet and network cable inlet and outlet, the ONU equipment has an optical input port, an electrical input port and a network cable port, and the optical input port is connected to the optical cable inlet , the electrical input end is connected with the cable inlet and outlet, and the network cable port is connected with the network cable inlet and outlet.

Further, the distribution box further includes an optical splitter, which is arranged in the inner cavity, and the optical splitter is connected between the optical cable inlet and the ONU device.

Further, an optical cable outlet is also provided on the inner wall of the box body, and the optical splitter is connected to the optical cable outlet.

Further, the distribution box also includes a fusion joint, which is arranged in the inner cavity, the distribution box also includes a first connecting optical fiber, the fusion joint is connected to the optical cable inlet through the upstream optical cable, and the fusion joint is connected to the optical branch through the first connecting optical fiber device connection.

Further, the welding part is arranged on the first side wall of the box body and is located on one side of the ONU device, and the distribution box also includes a first fiber storage part, and the first fiber storage part is arranged on the first side wall of the box body and located around the fusion joint, the first fiber storage unit stores the optical cable between the optical cable inlet and the fusion joint.

Further, the distribution box further includes a connecting part and a second connecting optical fiber, the connecting part is arranged on the first side wall of the box body and is located on one side of the welding part, the first end of the first connecting optical fiber is connected to the welding part, The second end of the first connecting fiber is connected to the connecting part, the first end of the second connecting fiber is connected to the connecting part so that the first connecting fiber is connected to the second connecting fiber, and the second end of the second connecting fiber is connected to the optical branch device connection.

Further, the distribution box also includes a third connecting fiber and a fourth connecting fiber, the first end of the third connecting fiber is connected to the connecting part, the second end of the third connecting fiber is connected to the optical splitter, and the fourth connecting fiber The first end of the optical fiber is connected to the fusion splice, the outlet of the optical cable is connected to the fusion splice through a downstream optical cable, and the second end of the fourth connecting optical fiber is connected to the connecting portion so that the fourth connecting optical fiber is connected to the third connecting optical fiber.

Further, the optical cable inlet is arranged on the bottom wall of the box body, and the distribution box further includes an optical cable fixing seat, which is arranged on the first side wall of the box body and is arranged close to the optical cable inlet.

Further, the optical splitter is arranged on the first side wall of the box body, and the distribution box also includes a second fiber storage part, which is arranged on the first side wall of the box body and is located at the fixing point of the optical cable. Between the seat and the optical splitter, the second fiber storage part stores the first connecting optical fiber and the fourth connecting optical fiber.

Further, the ONU device is arranged on the first side wall of the box body, and the distribution box also includes a third fiber storage part, and the third fiber storage part is arranged on the second side wall of the box body and is located on a side wall of the ONU device. On the side, the third fiber storage part stores the third connecting optical fiber and the optical cable connected between the optical splitter and the ONU device.

Applying the technical scheme of the utility model, a wiring box is added outside the power distribution room, and an ONU device is arranged in the wiring box. The optical cable enters the distribution box through the optical cable entrance, and then enters the ONU equipment. The ONU equipment converts the collected power consumption information into electrical signals and transmits them to the dispatching room (central computer room), realizing the collection, monitoring and scheduling of power consumption information. It effectively solves the problem that there is no equipment in the prior art to collect, monitor and dispatch the electricity consumption information of the low-voltage power distribution room.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows a schematic diagram of the internal structure of an embodiment of a distribution box for a power distribution room according to the present invention;

Fig. 2 shows a schematic diagram of fiber routing of the optical fiber in the distribution box of Fig. 1;

Fig. 3 shows a schematic diagram of the three-dimensional structure of the power supply of the wiring box in Fig. 1; and

FIG. 4 shows a schematic perspective view of the cable fixing seat of the distribution box in FIG. 1 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

1. Power cord; 2. Network cable; 3. Upstream optical cable; 4. Downstream optical cable; 10. Box body; 11. Top wall; 12. Bottom wall; 13. First side wall; 14. Second side wall; 15 , the third side wall; 30, ONU equipment; 50, the welding part; 60, the power supply; 72, the second fiber storage part; 73, the third fiber storage part; A mounting plate; 120, a second mounting plate.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figures 1 and 2, the wiring box for a power distribution room of this embodiment includes a box body 10, a box cover and an ONU device 30, the box body 10 has an inner cavity and an opening communicating with the inner cavity, The box cover can be opened and closed at the opening, the ONU device 30 is arranged in the inner cavity, and the inner wall of the box body 10 is provided with an optical cable inlet, a cable inlet and a network cable inlet and outlet, and the ONU device 30 has an optical input terminal, an electrical input terminal, and an electrical input terminal. The optical input end is connected with the optical cable inlet, the electrical input end is connected with the cable inlet and outlet, and the network cable port is connected with the network cable inlet and outlet.

Applying the wiring box used in the power distribution room of this embodiment, a wiring box is added outside the power distribution room, and an ONU device 30 is arranged in the wiring box. The optical cable enters the distribution box through the optical cable inlet, and then enters the ONU device 30. The ONU device 30 converts the collected power consumption information into an electrical signal and transmits it to the dispatching room (central computer room), realizing the collection, monitoring and monitoring of the power consumption information. The dispatching method effectively solves the problem in the prior art that there is no equipment to collect, monitor and dispatch the electricity consumption information of the low-voltage power distribution room.

Power consumption information includes real-time information of power distribution room, offline information, user information, grid structure parameters, geographic information, and power consumption information constitutes a complete automatic management system to realize the monitoring, protection, control and Power distribution management; automatic meter reading and billing; real-time monitoring of safe power consumption.

Optionally, the box body 10 includes a top wall 11, a bottom wall 12 and a first side wall 13 connected between the top wall 11 and the bottom wall 12, a second side wall 14, a third side wall 15, the first side The wall 13 is arranged opposite to the opening, the second side wall 14 and the third side wall 15 are arranged opposite, and the box cover is arranged on the third side wall 15 . The first side wall 13 is fixed on the wall.

Optionally, the distribution box further includes an optical splitter, the optical splitter is arranged in the inner cavity, and the optical splitter is connected between the optical cable inlet and the ONU device 30 . The optical splitter can divide one optical fiber into multiple optical fibers, expand the optical fiber path, realize the 1:N splitting function through the optical splitter, and realize the function of the optical splitting box.

Optionally, an optical cable outlet is also provided on the inner wall of the box body 10, and the optical splitter is connected to the optical cable outlet. The optical cable enters the optical splitter, and a small part of the optical fiber from the optical splitter enters the ONU device 30 to collect power consumption information; a large part of the optical fiber from the optical splitter enters the user after exiting the optical cable.

Optionally, the distribution box further includes a fusion joint 50, which is arranged in the inner cavity, the distribution box further comprises a first connecting optical fiber, the fusion joint 50 is connected to the cable inlet through the upstream optical cable 3, and the fusion joint 50 passes through the first Connect the optical fiber to the optical splitter. The welding part 50 can weld two optical cables. Preferably, the welding part 50 is a welding plate, which has a simple structure, is convenient to use, and is low in cost. Certainly, the welding part 50 can also be arranged between the optical cable inlet and the optical splitter.

Optionally, the welding part 50 is arranged on the first side wall 13 of the box body 10 and is located on one side of the ONU device 30, and the distribution box also includes a first fiber storage part, which is arranged on the box body On the first side wall 13 of 10 and located around the welding part 50 , the first fiber storage part stores the optical cable between the cable inlet and the welding part 50 . When the optical cable is long, the first fiber storage part can store the optical cable between the optical cable inlet and the fusion splicing part 50, effectively ensure the arrangement of the cable, effectively prevent the interference between the optical cable and the equipment due to disorder, and can also It is convenient for maintenance and repair, saves maintenance time, and improves the work efficiency of maintenance personnel. In addition, the first fiber storage part can also store the optical cable between the optical cable outlet and the fusion splicing part.

Optionally, the distribution box further includes a connecting part 90 and a second connecting optical fiber. The connecting part 90 is arranged on the first side wall 13 of the box body 10 and is located on one side of the fusion splicing part 50. The first connecting optical fiber The end is connected to the fusion splicing part 50, the second end of the first connecting fiber is connected to the connecting part 90, the first end of the second connecting fiber is connected to the connecting part 90 so that the first connecting fiber is docked with the second connecting fiber, and the second connecting fiber The second end of the optical fiber is connected with the optical splitter. The connecting part 90, the first connecting optical fiber and the second connecting optical fiber can connect the fusion splicing part 50 and the optical splitter.

Both the first connecting optical fiber and the second connecting optical fiber are pigtails, one end of the pigtail has a connector, and the connector is fixed on the connecting part 90, the other end of the pigtail is not provided with a connector, and the end without a connector is in the fusion splicing part 50 is welded with the upstream optical cable 3, or the end without the connector is connected with the optical splitter.

The distribution box also includes a third connection fiber and a fourth connection fiber, the first end of the third connection fiber is connected to the connection part 90, the second end of the third connection fiber is connected to the optical splitter, and the first end of the fourth connection fiber is One end is connected to the fusion splicing part 50, the outlet of the optical cable is connected to the fusion splicing part through the downstream optical cable 4, and the second end of the fourth connecting optical fiber is connected to the connecting part 90 so that the fourth connecting optical fiber is connected to the third connecting optical fiber.

When the length of one optical cable is not long enough, another optical cable needs to be connected. At this time, the upstream optical cable 3 can enter the distribution box through the optical cable inlet and the downstream optical cable 4 can enter the distribution box through the optical cable outlet to carry out optical cable opening. Stripping, the optical cable is stripped longitudinally for about 2.5-4 meters), grounded, fixed, and cut the 2-core optical fiber in the center (the rest of the cores are not cut, and the disk is stored around the splice disk, if necessary in the future). After the optical cable splicing process is completed, the upstream optical fiber is fused with the first connecting optical fiber through the fusion splicing part 50 . The fused first connecting optical fiber is moored on the connecting part 90 (i.e. the adapter bracket), the first end of the second connecting optical fiber is docked with the fused first connecting optical fiber through the connecting part 90, and the second end of the second connecting optical fiber is connected to the 2 sets of 1:2 non-equal distribution box-type optical splitters are connected to the incoming cable ports. 10% of the outgoing cable ports of the optical splitter are connected to the PON port of the ONU device, and 90% of the outgoing cable ports of the two sets of 1:2 non-equal splitting box optical splitters are connected to the second end of the third connecting fiber . The first end of the third connecting fiber is butted with the second end of the fourth connecting fiber through the connecting part 90 , and the first end of the fourth connecting fiber is fused with the downstream fiber through the fusion part 50 .

As shown in Figures 2 and 4, optionally, the optical cable inlet is arranged on the bottom wall of the box body 10, and the distribution box further includes an optical cable fixing seat 80, and the optical cable fixing seat 80 is arranged on the first side of the box body 10 On the wall 13 and close to the fiber optic cable inlet is set. The optical cable fixing seat 80 can fix the optical cable entering the distribution box and the optical cable coming out of the distribution box, effectively preventing the optical cable from moving at the entrance or exit, and then effectively avoiding poor contact caused by the movement of the optical cable Case.

Optionally, the optical splitter is arranged on the first side wall 13 of the box body 10, and the distribution box further includes a second fiber storage part 72, and the second fiber storage part 72 is arranged on the first side of the box body 10 On the wall 13 and between the optical cable fixing base 80 and the optical splitter, the second fiber storage part 72 stores the first connecting optical fiber and the fourth connecting optical fiber. When the optical cable is longer, the second fiber storage part 72 can store the first connecting optical fiber and the third connecting optical fiber, that is, the second fiber storing part 72 stores the pigtails fused in the fusion splicing tray, effectively ensuring that the cables are arranged in order and effectively It prevents interference between optical cables and equipment due to disorder, and can also facilitate maintenance and repair, save maintenance time, and improve the work efficiency of maintenance personnel.

Optionally, the ONU device 30 is arranged on the first side wall 13 of the box body 10, and the distribution box further includes a third fiber storage part 73, and the third fiber storage part 73 is arranged on the second side wall of the box body 10 14 and located on one side of the ONU device 30, the third fiber storage unit 73 stores the third connecting optical fiber and the optical cable connected between the optical splitter and the ONU device 30. When the optical cable is longer, the third fiber storage part 73 can store the third connecting optical fiber and the optical cable connected between the optical splitter and the ONU device 30, that is, the third fiber storage part 73 stores the pigtail of the optical splitter, It can effectively ensure the orderliness of the cable layout, effectively prevent the interference between the optical cables and the equipment due to disorder, and also facilitate maintenance and repair, save maintenance time, and improve the work efficiency of maintenance personnel.

As shown in Fig. 2 and Fig. 3, optionally, the distribution box further includes a power supply 60, which is arranged in the inner cavity, and the power supply 60 is connected to the ONU device 30 and the cable inlet and outlet. Preferably, the power supply 60 is disposed on the third side wall 15 . The power supply 60 can provide power for the ONU device 30 . Preferably, the power supply 60 includes an air switch, a socket and a guide rail, and the air switch and the socket are installed on the guide rail. The guide rail facilitates the installation of air switches and sockets. The incoming cable enters the wiring box from the cable inlet, and then is connected to the power supply 60, and the power supply 60 is then connected to the ONU device through the cable.

The power cord 1 enters the distribution box through the first cable inlet and outlet, and directly crimps the ground wire, live wire, and neutral wire of the power cord 1 to the incoming wire terminal on the power distribution unit, and crimps it from the outlet end of the power supply 60 A power line is connected to the working power interface of the ONU device 30 to provide power for the ONU device 30 .

One end of the network cable 2 enters the network cable port of the ONU device in the distribution box from the network cable inlet and outlet, and the other end is connected to the DTU device.

As shown in FIG. 1 , optionally, the wiring box further includes a first mounting plate 110 for mounting the ONU device 30 , and the first mounting plate 110 is mounted on the first side wall 13 . The first installation board 110 can facilitate the installation of the ONU device 30 . The distribution box also includes a second mounting plate 120 for mounting the optical splitter, and the second mounting plate 120 is mounted on the first side wall 13 . The second installation board 120 can facilitate the installation of the optical splitter. The second mounting plate 120 can be adjusted, and 1 to 4 box-type optical splitters can be installed according to customer requirements, and the installation is flexible and fast.

The wiring box is made of SMC material, and the protection level reaches IP54. The wiring box is installed on the wall of the power distribution room. The upstream optical cable 3 enters the bottom of the box body 10 through a waterproof joint, and after being stripped, fixed, and grounded on the optical cable fixing seat, it enters the 24-core splicing tray and the pigtail for fusion; the downstream optical cable 4 also enters the box body 10 through a waterproof joint. After the bottom of the cable is stripped, fixed and grounded on the cable fixing seat, it enters the 24-core splicing tray and the pigtail for fusion. A small part of the optical fiber coming out of the optical splitter enters the ONU equipment, and a large part of the optical fiber coming out of the optical splitter is parked on the connection part 90, that is, a large part of the optical fiber cable coming out of the optical splitter passes through the connecting part 90 is docked with the pigtail, and then fused with the downstream optical cable 4 through the splice tray. Wherein, the ONU device is an optical network unit device.

The general low-voltage power distribution room in the prior art has limited space, and the distribution network communication box cannot be installed in the control switch cabinet. Since the low-voltage power distribution room is located at the power output terminal, the number of cores of the distribution optical cable does not need to be too many. Therefore, the photoelectric integrated distribution box used in the power distribution room of this embodiment requires a simple structure, and the distribution box has a position for installing ONU equipment, a power distribution unit position, an optical fiber wiring position, an optical fiber fusion splicing position, and an optical splitter installation position. , the optical cable entering the box is 48 cores, and the distribution pigtails can be configured with 24 cores. The remaining 24-core optical cables are stripped and fixed for splicing. welding. The outer dimension of the box is H486×W390×D150, the outer dimension of the box is required to be small, the box is small, the space occupied is small, and the installation structure is wall-mounted. Of course, the interior of the distribution box can be partially or completely installed with optical cable fixing seats, ONU equipment, 24-core splicing trays, box-type optical splitters, power distribution units, connection brackets, fiber storage units, waterproof connectors and other equipment according to functional needs. .

In summary, the wiring box of this embodiment has the following structural features:

1. The 4-core pigtail is welded through the 24-core splicing tray, and the pigtail enters the ONU device. The ONU device converts the collected power consumption information into an electrical signal and sends it back to the main station system to realize the power consumption information collection function;

2. In addition to installing fusion splicing trays and ONUs to realize the power consumption information collection function, you can also install connection brackets, box-type optical splitters, etc. to support fiber-optic entry functions;

3. A 24-core fusion splice tray can be installed, and the optical cable enters from the bottom of the chassis, bound on the optical cable fixing seat of the photoelectric integrated box, stripped, grounded, welded through the 24-core fusion splice tray and the pigtail, or connected with the leather cable through the connection part to achieve Optical fiber distribution box function;

4. Install the box-type optical splitter, which can realize the 1:N splitting function, expand the optical fiber path, and realize the function of the optical splitting box through the pigtail butt joint with the incoming optical cable with the connection part;

5. The entrance of the optical cable enters the box, which can realize the connection of the optical cable.

From the above description, it can be seen that the above-mentioned embodiments of the utility model have achieved the following technical effects:

At present, the photoelectric integrated distribution box is used in the power distribution room, and it can be used in corridors or residential areas in the future according to its digging, fiber distribution box, and optical distribution box.

The structure of the wiring box in this embodiment is simple and clear, the layout is reasonable, it meets the needs of various functional scenarios, and the maintenance is convenient and unified. At the same time, it can also be used indoors and outdoors. The internal layout is reasonable and the wiring is beautiful and tidy. It can not only collect power consumption information, but also directly meet the expansion function requirements without changing the cabinet when expanding to the fiber-to-the-home in the subsequent stage. The photoelectric integrated distribution box for power distribution room is mainly used in the field of power distribution network communication. It is widely used in corridors or residential areas, and can meet various requirements such as optical fiber fusion, wiring, optical splitting, fiber splitting, and power information collection.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A wiring box for a power distribution room, characterized in that it comprises: The box body (10) has an inner cavity and an opening communicating with the inner cavity; a box cover, which can be opened and closed at the opening; The ONU device (30) is arranged in the inner cavity, and the inner wall of the box body (10) is provided with an optical cable inlet, a cable inlet and a network cable inlet and outlet, and the ONU device (30) has an optical input terminal, An electrical input end and a network cable port, the optical input end is connected to the optical cable inlet, the electrical input end is connected to the cable inlet and outlet, and the network cable port is connected to the network cable inlet and outlet. 2. The distribution box according to claim 1, wherein the distribution box further comprises an optical splitter, the optical splitter is arranged in the inner cavity, and the optical splitter is connected to Between the optical cable inlet and the ONU device (30). 3. The distribution box according to claim 2, characterized in that an optical cable outlet is further provided on the inner wall of the box body (10), and the optical splitter is connected to the optical cable outlet. 4. The wiring box according to claim 3, characterized in that, the wiring box further comprises a welding part (50), the welding part (50) is arranged in the inner cavity, and the wiring box It also includes a first connecting optical fiber, the welding part (50) is connected to the optical cable inlet through the upstream optical cable (3), and the welding part (50) is connected to the optical splitter through the first connecting optical fiber. 5. The distribution box according to claim 4, characterized in that, the welding portion (50) is arranged on the first side wall (13) of the box body (10) and is located at the ONU device ( 30), the distribution box further includes a first fiber storage part, the first fiber storage part is arranged on the first side wall (13) of the box body (10) and is located at the welding Around the part (50), the first fiber storage part stores the optical cable between the optical cable inlet and the welding part (50). 6. The distribution box according to claim 4, characterized in that, the distribution box further comprises a connecting part (90) and a second connecting optical fiber, and the connecting part (90) is arranged on the box body ( 10) on the first side wall (13) and on one side of the fusion splice (50), the first end of the first connecting fiber is connected to the fusion splice (50), and the first connecting fiber The second end of the second connecting fiber is connected to the connecting part (90), the first end of the second connecting fiber is connected to the connecting part (90) so that the first connecting fiber is docked with the second connecting fiber, The second end of the second connecting optical fiber is connected to the optical splitter. 7. The distribution box according to claim 6, wherein the distribution box further comprises a third connecting optical fiber and a fourth connecting optical fiber, the first end of the third connecting optical fiber is connected to the connecting portion ( 90) connection, the second end of the third connecting optical fiber is connected to the optical splitter, the first end of the fourth connecting optical fiber is connected to the fusion splice (50), and the outlet of the optical cable passes through the downstream optical cable (4) Connecting to the fusion splicing part (50), the second end of the fourth connecting optical fiber is connected to the connecting part (90) so that the fourth connecting optical fiber is docked with the third connecting optical fiber. 8. The distribution box according to claim 7, wherein the optical cable inlet is arranged on the bottom wall of the box body (10), and the distribution box further includes an optical cable fixing seat (80), The optical cable fixing seat (80) is arranged on the first side wall (13) of the box body (10) and is arranged close to the optical cable inlet. 9. The distribution box according to claim 8, wherein the optical splitter is arranged on the first side wall (13) of the box body (10), and the distribution box further comprises The second fiber storage part (72), the second fiber storage part (72) is arranged on the first side wall (13) of the box body (10) and is located between the optical cable fixing seat (80) and the Between the optical splitters, the second fiber storage unit (72) stores the first connecting optical fiber and the fourth connecting optical fiber. 10. The wiring box according to claim 7, characterized in that, the ONU device (30) is arranged on the first side wall (13) of the box body (10), and the wiring box is also A third fiber storage part (73) is included, and the third fiber storage part (73) is arranged on the second side wall (14) of the box body (10) and is located on one side of the ONU device (30). On the side, the third fiber storage unit (73) stores the third connecting optical fiber and the optical cable connected between the optical splitter and the ONU device (30).