CN205103480U - A distribution cabinet for cable boundary room - Google Patents

Abstract

The utility model provides a wiring cabinet for a cable boundary room. The wiring cabinet comprises: a cabinet body (10), which has an inner cavity and an opening communicating with the inner cavity. The inner wall of the cabinet body (10) is provided with There is a first optical cable inlet and a cable outlet; the cabinet door (20) can be opened and closed at the opening; the ONU device (30) is arranged in the inner cavity, and the ONU device (30) has an optical input terminal and an electrical output terminal, The electrical output end is connected to the cable outlet, and the optical input end is connected to the first optical cable inlet; the optical fiber distribution frame (40) is arranged in the inner cavity and connected between the first optical cable inlet and the optical input end. The technical scheme of the utility model effectively solves the problem that the communication cabinet in the prior art cannot meet the collection, monitoring and dispatching of electricity consumption information and the wiring of many optical fibers.

Description

Wiring cabinets for cable demarcation rooms

technical field

The utility model relates to the technical field of electric equipment, in particular to a wiring cabinet for a cable boundary room.

Background technique

At present, the cable demarcation room is the general incoming room of the project set up by all 10KV users, and most of the breakpoint protection cabinets installed in the cable demarcation room are sulfur hexafluoride switch cabinets. The cable demarcation room plays an important role in the 10KV line. The cable demarcation room controls the transportation and carrying cables of 10KV incoming and outgoing electricity. Therefore, the construction of distribution network communication automation should fully consider the branching of the cables entering and leaving the demarcation room. At the same time, because there are many switch cabinets in the boundary room, and the distribution automation terminal (DTU) equipment circuit is generally 4-12 lines, so the communication cabinet in the boundary room needs to prepare an additional ONU device. However, preparing one more ONU device cannot satisfy the collection, monitoring and scheduling of power consumption information, and there are still many problems with the wiring of optical fibers in the communication cabinet.

Utility model content

The main purpose of the utility model is to provide a wiring cabinet for the cable boundary room to solve the problem that the communication cabinet in the prior art cannot meet the collection, monitoring and scheduling of power consumption information and the wiring of many optical fibers. question.

In order to achieve the above object, the utility model provides a wiring cabinet for a cable boundary room, comprising: a cabinet body with an inner cavity and an opening communicating with the inner cavity, and a first optical cable is arranged on the inner wall of the cabinet body The inlet and the cable outlet; the cabinet door can be opened and closed at the opening; the ONU device is arranged in the inner cavity, the ONU device has an optical input terminal and an electrical output terminal, the electrical output terminal is connected to the cable outlet, and the optical input terminal is connected to the second cable outlet. An optical cable inlet is connected; an optical fiber distribution frame is arranged in the inner cavity and connected between the first optical cable inlet and the optical input end.

Furthermore, the distribution cabinet also includes an optical splitter, which is arranged in the inner cavity, and the optical splitter is connected between the optical fiber distribution frame and the optical input end, and the inner wall of the cabinet body is also provided with a first The optical cable outlet, the optical splitter is connected with the first optical cable outlet.

Further, the wiring cabinet also includes a welding part, the welding part is arranged in the inner cavity, and the inner wall of the cabinet body is also provided with a second optical cable inlet and a second optical cable outlet, and the welding part is connected between the second optical cable inlet and the second optical cable between exits.

Further, the first optical cable inlet is arranged on the bottom wall of the cabinet body, and the wiring cabinet also includes an optical cable fixing plate, which is connected to the lower part of the first side wall of the cabinet body and the second side wall of the cabinet body Between the lower parts, the optical cable fixing plate is set close to the first optical cable inlet.

Further, the welding part is connected between the lower part of the first side wall and the lower part of the second side wall, and the welding part is located above the optical cable fixing plate.

Further, the optical fiber distribution frame is connected between the middle part of the first side wall of the cabinet body and the middle part of the second side wall of the cabinet body.

Further, the distribution cabinet further includes a fiber storage part, which is arranged on one side of the fiber distribution frame, and stores the optical cables connected between the fiber distribution frame and the optical splitter.

Further, the optical splitter and the ONU device are connected between the upper part of the first side wall of the cabinet body and the upper part of the second side wall of the cabinet body.

Further, the distribution cabinet further includes a first cable management board, which is connected between the first side wall and the second side wall, and is located between the optical fiber distribution frame and the ONU equipment.

Further, the wiring cabinet further includes a second cable management board, which is arranged on the second side wall of the cabinet body and extends along the length direction of the cabinet body.

Applying the technical solution of the utility model, a wiring cabinet is added outside the cable boundary, and an ONU device and an optical fiber distribution frame are arranged in the wiring cabinet. The optical cable enters the wiring cabinet through the first optical cable entrance, and the optical cable 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 monitoring of power consumption information. scheduling. At the same time, an optical fiber distribution frame is installed in the distribution cabinet. Due to the large distribution capacity of the optical fiber distribution frame, the connection, distribution and scheduling of optical fiber lines are realized, which effectively solves the wiring problem of many optical fibers in the communication cabinet. .

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 structural view of an embodiment of a wiring cabinet according to the present invention;

Fig. 2 shows a schematic diagram of fiber routing of the optical fibers in the wiring cabinet of Fig. 1;

Fig. 3 shows a schematic diagram of the three-dimensional structure of the cabinet body and the cabinet door of the wiring cabinet in Fig. 1;

Fig. 4 shows a schematic front view of the cabinet body and cabinet door of Fig. 3;

Fig. 5 shows a schematic front view of the optical fiber distribution frame, the fiber storage part and the installation plate of the distribution cabinet in Fig. 1;

FIG. 6 shows a schematic perspective view of the three-dimensional structure of the mounting plate of FIG. 5;

FIG. 7 shows a schematic perspective view of the three-dimensional structure of the optical fiber distribution frame in FIG. 5;

Fig. 8 shows a schematic diagram of the three-dimensional structure of the mounting bracket of the wiring cabinet in Fig. 1;

Fig. 9 shows a schematic front view of the guide rail of the power module of the wiring cabinet in Fig. 1;

Figure 10 shows a schematic side view of the guide rail of Figure 9; and

FIG. 11 shows a schematic perspective view of the second cable management board of the wiring cabinet in FIG. 1 .

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

1. Incoming cable; 2. First incoming optical cable; 3. First outgoing optical cable; 4. Second incoming optical cable; 5. Second outgoing optical cable; 10. Cabinet body; 11. Top wall; 12. Bottom Wall; 13, first side wall; 14, third side wall; 15, second side wall; 16, installation column; 20, cabinet door; 30, ONU equipment; 40, optical fiber distribution frame; 50, optical branch 60, welding part; 70, optical cable fixing plate; 80, fiber storage part; 91, first cable management board; 92, second cable management board; 93, third cable management board; 100, power supply module; 101, Guide rail; 110, mounting plate; 120, mounting bracket.

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 Figure 1, the wiring cabinet for the cable demarcation room of the present embodiment includes a cabinet body 10, a cabinet door 20, an ONU device 30 and an optical fiber distribution frame 40, and the cabinet body 10 has an inner cavity and an inner cavity A connected opening, the inner wall of the cabinet body 10 is provided with a first optical cable inlet and a cable outlet, the cabinet door 20 can be opened and closed at the opening, the ONU device 30 is arranged in the inner cavity, and the ONU device 30 has an optical input terminal and The electrical output end is connected to the cable outlet, the optical input end is connected to the first optical cable inlet, and the optical fiber distribution frame 40 (ODF) is arranged in the inner cavity and connected between the first optical cable inlet and the optical input end. Wherein, the electrical output end is connected to the cable outlet through a cable, and the optical input end is connected to the first optical cable inlet through an optical cable.

Applying the wiring cabinet for the cable boundary room of this embodiment, a wiring cabinet is added outside the cable boundary room, and an ONU device 30 and an optical fiber distribution frame 40 are arranged in the wiring cabinet. The optical cable enters the wiring cabinet through the first optical cable entrance, and the optical cable 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 monitoring of power consumption information. scheduling. At the same time, an optical fiber distribution frame 40 is installed in the distribution cabinet. Due to the large distribution capacity of the optical fiber distribution frame 40, the connection, distribution and scheduling of optical fiber lines are realized, and the distribution of many optical fibers in the communication cabinet is effectively solved. line problem.

Power consumption information includes real-time power consumption information of each station or line of 10kV line, offline information, user information, grid structure parameters, geographical information, and power consumption information constitutes a complete automatic management system to realize the normal operation of the power distribution system and the monitoring of accidents , Protection, control and power distribution management, automatic meter reading and billing, real-time monitoring information for safe power consumption.

Optionally, the distribution cabinet further includes an optical splitter 50, which is arranged in the inner cavity, and the optical splitter 50 is connected between the optical fiber distribution frame 40 and the optical input end, and the inner wall of the cabinet body 10 The first optical cable outlet is also provided on the top, and the optical splitter 50 is connected with the first optical cable outlet. The optical splitter 50 can divide one optical fiber into multiple optical fibers, expand the optical fiber path, and realize the function of the optical splitter box. The optical cable enters the optical splitter 50 after passing through the optical fiber distribution frame 40, and a small part of the optical fiber coming out of the optical splitter 50 enters the ONU device to collect power consumption information, and a large part of the optical fiber coming out of the optical splitter 50 Connect to the next site.

As shown in Figure 3, optionally, the cabinet 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 third side wall 14, a second side wall wall 15. The first side wall 13 is disposed opposite to the second side wall 15 , and the third side wall 14 is disposed opposite to the opening of the cabinet body 10 .

As shown in Fig. 2, optionally, the wiring cabinet further includes a welding part 60, and the welding part 60 is arranged in the inner cavity. 60 is connected between the second optical cable inlet and the second optical cable outlet. The welding part 60 can weld two optical cables. When the length of one optical cable is not long enough and another optical cable needs to be connected, one optical cable can enter the wiring cabinet through the second optical cable inlet, and the other optical cable can enter the wiring cabinet through the second optical cable outlet. The ends of the two optical cables are then welded at the welding portion 60 . Preferably, the welding part 60 is a direct melting plate, which has a simple structure, is convenient to use, and is low in cost.

Optionally, the first optical cable inlet is arranged on the bottom wall 12 of the cabinet body 10, and the wiring cabinet further includes an optical cable fixing plate 70, and the optical cable fixing plate 70 is connected to the lower part of the first side wall 13 of the cabinet body 10 and the cabinet body. Between the lower part of the second side wall 15 of the main body 10, the optical cable fixing plate 70 is disposed close to the first optical cable inlet. The optical cable fixing plate 70 can fix the optical cables entering the wiring cabinet and the optical cables coming out of the wiring cabinet, effectively preventing the optical cables from moving at the entrance or exit, and effectively avoiding poor contact caused by the movement of the optical cables Case.

Optionally, the welding part 60 is connected between the lower part of the first side wall 13 and the lower part of the second side wall 15 , and the welding part 60 is located above the cable fixing plate 70 . The optical cable enters the wiring cabinet from the bottom of the wiring cabinet, is fixed by the optical cable fixing plate 70, and then enters the welding part 60 for welding.

Optionally, the optical fiber distribution frame 40 is connected between the middle part of the first side wall 13 of the cabinet body 10 and the middle part of the second side wall 15 of the cabinet body 10 . In this way, the optical cable enters the distribution cabinet from the bottom of the distribution cabinet, and passes upward through the optical fiber distribution frame 40, so that the arrangement is flexible.

Optionally, the distribution cabinet further includes a fiber storage unit 80, which is arranged on one side of the optical fiber distribution frame 40, and the fiber storage unit 80 stores the optical cables connected between the optical fiber distribution frame 40 and the optical splitter 50 . When the optical fiber is long, the fiber storage part 80 can be used to store the optical cable.

Optionally, the optical splitter 50 and the ONU device 30 are connected between the upper part of the first side wall 13 of the cabinet body 10 and the upper part of the second side wall 15 of the cabinet body 10 . The optical cable enters the distribution cabinet from the bottom of the distribution cabinet, passes through the optical fiber distribution frame 40 upwards, and then connects to the optical splitter 50 upwards. The layout is reasonable.

Optionally, the distribution cabinet further includes a first cable management board 91, the first cable management board 91 is connected between the first side wall 13 and the second side wall 15, and is located between the optical fiber distribution frame 40 and the ONU device 30 between. The first cable management board 91 can fix the optical cables connected between the optical fiber distribution frame 40 and the ONU device 30 on the first cable management board 91 in an orderly manner, effectively preventing the interference between the disorderly optical cables and the equipment , It can also facilitate maintenance and repair, save maintenance time and improve the work efficiency of maintenance personnel.

As shown in FIGS. 1 and 11 , optionally, the wiring cabinet further includes a second cable management board 92 , and the second cable management board 92 is arranged on the second side wall 15 of the cabinet body 10 and runs along the cabinet body 10 extending in the length direction. The second cable management board 92 can fix the optical cables from bottom to top and the optical cables from top to bottom on the second cable management board 92, so that the optical cables are fixed in the wiring cabinet in an orderly manner, effectively preventing the optical cables and equipment from being messy. It can also facilitate maintenance and repair in case of interference between them, save maintenance time and improve the work efficiency of maintenance personnel.

Optionally, the distribution cabinet further includes a third cable management board 93, the third cable management board 93 is connected between the first side wall 13 and the second side wall 15, and is located between the optical fiber distribution frame 40 and the fusion splicing part 60 between. The third cable management board 93 can fix the optical cables connected between the optical fiber distribution frame 40 and the fusion splicing part 60 on the third cable management board 93 in an orderly manner, effectively preventing the interference between the disorderly optical cables and the equipment , It can also facilitate maintenance and repair, save maintenance time and improve the work efficiency of maintenance personnel.

Optionally, the wiring cabinet further includes a power module 100, and the power module 100 is arranged on one side of the welding part 60 and connected to the ONU device. The power module is arranged close to the first side wall 13 . The cable is directly connected to the power module through the port of the DTU, and connected to the ONU device from the power module 100, and the power module 100 can provide power for the ONU device. As shown in FIG. 9 and FIG. 10 , preferably, the power module 100 includes an air switch, a socket and a guide rail 101 , and the air switch and the socket are installed on the guide rail 101 . Guide rail 101 is convenient for installing air switch and socket. The incoming cable 1 enters the wiring cabinet from the cable inlet, and then is connected to the power module 100, and the power module 100 is connected to the ONU device through the cable.

As shown in Figure 4, optionally, the cabinet body 10 also includes a mounting column 16, the first side wall 13 is provided with the mounting column 16, the second side wall 15 is also provided with the mounting column 16, the two mounting columns 16 relative settings. ONU equipment 30, optical fiber distribution frame 40, optical splitter 50, fusion splicing part 60, optical cable fixing plate 70, fiber storage part 80, first cable management board 91, second cable management board 92, third cable management board 93 and the power supply module 100 are all installed on the installation column 16, the installation column 16 can conveniently install the ONU equipment 30, the optical fiber distribution frame 40, the optical splitter 50, the welding part 60, the optical cable fixing plate 70, the fiber storage part 80, the first The wire management board 91 , the second wire management board 92 , the third wire management board 93 and the power module 100 are easy to assemble and disassemble, easy to operate, and reduce the labor intensity of operators.

As shown in FIGS. 5 to 7 , optionally, the distribution cabinet further includes an installation plate 110 for installing the optical fiber distribution frame 40 , and the installation plate 110 is fixed on the installation column 16 . The fiber storage unit 80 is installed on the installation board 110 . As shown in FIG. 8 , the wiring cabinet further includes an installation bracket 120 for installing the ONU device 30 , and the installation bracket 120 facilitates the installation of the ONU device. The ONU device is an optical network unit device.

As shown in FIG. 2 , after the optical cable enters from the bottom of the cabinet body 10, it is stripped, fixed, grounded, and then enters a direct melting plate or a 12-core fusion-matching integrated tray (optical fiber distribution frame) for fusion splicing. That is to say, one optical cable is stripped, fixed, grounded, and enters the direct fusion tray; the other optical cable is stripped, fixed, grounded, and enters the 12-core fusion integrated tray (fiber distribution frame), and then passes through the fiber storage unit. After 80, it is connected to the optical splitter 50.

The first incoming optical cable 2 enters from the first optical cable inlet, and after being fixed by the optical cable fixing plate 70, enters through the second line management board 92 and the third line management board 93 or the second line management board 92 and the first line management board 91 The optical fiber distribution frame 40, the optical fiber coming out from the optical fiber distribution frame 40 enters the optical splitter 50 through the fiber storage part 80, the second line management board 92, and the first line management board 91, and a small fiber coming out of the optical splitter Part of the optical cable enters the ONU equipment, and the ONU equipment is connected to the dispatching room through the cable. A large part of the optical cable (the first outgoing optical cable 3) from the optical splitter enters the next station for transmission after exiting the first optical cable exit.

The second incoming optical cable 4 enters from the second optical cable inlet, and after being fixed by the optical cable fixing plate 70, enters the fusion joint 60, and the second outgoing optical cable 5 coming out of the fusion joint 60 enters the next station for transmission after exiting the second optical cable exit .

Since the boundary room has been planned at the beginning of construction, the switch cabinets in the boundary room have been installed, and the indoor space is limited. It is necessary to increase the power distribution automation terminal DTU equipment and the photoelectric integrated wiring cabinet in the boundary room (the wiring cabinet in this embodiment). Considering the unified planning of the boundary room, the appearance of the distribution automation terminal DTU equipment and the photoelectric integrated wiring cabinet in the boundary room must be consistent with the switch cabinet. The demarcation room is used as the general incoming room of the project set up by 10KV users, and there are many cables for each branch. In this way, the photoelectric integrated wiring cabinet in the demarcation room is equivalent to a small communication room, and there are many communication optical cables in and out of each branch. Therefore, the photoelectric integrated wiring cabinet in the boundary room requires a large capacity, and the number of incoming and outgoing optical cables is relatively large. The photoelectric integrated wiring cabinet in the boundary room can meet the welding and wiring of more optical fibers.

The ODF wiring capacity of the wiring cabinet in this embodiment is large, satisfying 192 cores for wiring, 288 cores for maximum wiring, 144 cores for direct melting, 288 cores for direct melting, and 11 optical cables for fixed stripping and fiber jumper storage The space is large, the design of the fiber channel is reasonable, and at most 2 ONU devices can be installed. The overall structure of the wiring cabinet is simple and clear, the layout is reasonable, and it can be installed on the floor. The door lock adopts a three-point locking structure of upper and lower links, which is firm and reliable.

The wiring cabinet of this embodiment solves the problem of the capacity of the communication cabinet, and also solves the problem of the ODF installation structure in the photoelectric integrated wiring cabinet. The photoelectric integrated wiring cabinet adopts standard installation, and the ODF wiring adopts a modular design, which is convenient for subsequent replacement of ODF child box.

The internal equipment of the wiring cabinet in this embodiment can be partially or completely installed with optical cable fixing plates, direct melting modules, DC circuit breakers, ONUs, optical splitter modules, ODF wiring modules and other equipment according to functional requirements. The wiring cabinet of this embodiment is mainly used for access points such as power switching stations, ring network cabinets, power distribution rooms, and pole-mounted switches of power optical fiber systems in the field of power distribution network communication. The two-way communication and management of terminal equipment can meet various requirements such as optical fiber fusion splicing, wiring, optical splitting, fiber splitting, and power consumption information collection.

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

1. The wiring cabinet has the functions of cable fixing, splicing, welding, splicing, inventory, splitting, and splitting;

2. The optical splitter adopts a plug-in optical splitter, which can be installed at most 4, and the configuration is more flexible and free;

3. The incoming and outgoing lines of optical cables, pigtails, and jumper fibers are independent and do not interfere with each other;

4. Through different configurations, it can meet various functions such as comprehensive information box, branch box, fiber distribution box, etc.

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 cabinet for a cable demarcation room, characterized in that it comprises: The cabinet body (10) has an inner cavity and an opening communicating with the inner cavity, and the inner wall of the cabinet body (10) is provided with a first optical cable inlet and a cable outlet; The cabinet door (20) is openably and closably arranged at the opening; An ONU device (30), arranged in the inner cavity, the ONU device (30) has an optical input end and an electrical output end, the electrical output end is connected to the cable outlet, and the optical input end is connected to the The first optical cable inlet connection; An optical fiber distribution frame (40), arranged in the inner cavity and connected between the first optical cable inlet and the optical input end. 2. The wiring cabinet according to claim 1, characterized in that, the wiring cabinet further comprises an optical splitter (50), and the optical splitter (50) is arranged in the inner cavity, so that The optical splitter (50) is connected between the optical fiber distribution frame (40) and the optical input end, and the inner wall of the cabinet body (10) is also provided with a first optical cable outlet, and the optical fiber A splitter (50) is connected to the first optical cable outlet. 3. The wiring cabinet according to claim 1, characterized in that, the wiring cabinet further comprises a welding part (60), the welding part (60) is arranged in the inner cavity, and the cabinet body The inner wall of (10) is also provided with a second optical cable inlet and a second optical cable outlet, and the welding part (60) is connected between the second optical cable inlet and the second optical cable outlet. 4. The wiring cabinet according to claim 3, characterized in that, the first optical cable inlet is arranged on the bottom wall (12) of the cabinet body (10), and the wiring cabinet also includes an optical cable fixing plate (70), the optical cable fixing plate (70) is connected to the lower part of the first side wall (13) of the cabinet body (10) and the second side wall (15) of the cabinet body (10) Between the lower parts, the optical cable fixing plate (70) is arranged close to the first optical cable inlet. 5. The wiring cabinet according to claim 4, characterized in that, the welding part (60) is connected between the lower part of the first side wall (13) and the lower part of the second side wall (15) Between, the welding part (60) is located above the optical cable fixing plate (70). 6. The distribution cabinet according to claim 5, characterized in that, the optical fiber distribution frame (40) is connected to the middle part of the first side wall (13) of the cabinet body (10) and the cabinet Between the middle of the second side wall (15) of the body (10). 7. The distribution cabinet according to claim 2, characterized in that, the distribution cabinet further comprises a fiber storage part (80), and the fiber storage part (80) is arranged on the optical fiber distribution frame (40) On one side, the fiber storage unit (80) stores optical cables connected between the optical fiber distribution frame (40) and the optical splitter (50). 8. The wiring cabinet according to claim 2, characterized in that, the optical splitter (50) and the ONU device (30) are connected to the first side wall ( 13) and the upper part of the second side wall (15) of the cabinet body (10). 9. The wiring cabinet according to claim 8, characterized in that, the wiring cabinet further comprises a first wiring board (91), and the first wiring board (91) is connected to the first side between the wall (13) and the second side wall (15), and between the optical fiber distribution frame (40) and the ONU device (30). 10. The wiring cabinet according to claim 1, characterized in that, the wiring cabinet further comprises a second wiring board (92), and the second wiring board (92) is arranged on the cabinet body (10) on the second side wall (15) and extend along the length direction of the cabinet body (10).