CN107884889B - Side-in front-out centralized wiring cabinet for prefabricated cabin - Google Patents
Side-in front-out centralized wiring cabinet for prefabricated cabin Download PDFInfo
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- CN107884889B CN107884889B CN201711334166.7A CN201711334166A CN107884889B CN 107884889 B CN107884889 B CN 107884889B CN 201711334166 A CN201711334166 A CN 201711334166A CN 107884889 B CN107884889 B CN 107884889B
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- cabinet
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- optical cable
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
Abstract
The invention relates to a wiring cabinet in a prefabricated cabin, in particular to a side-in front-out centralized wiring cabinet for the prefabricated cabin, which comprises a cabinet body and a welding-free wiring box, wherein the cabinet body comprises a front cabinet door and a tail cable wiring groove arranged on the inner side of the front cabinet door; the welding-free distribution box is a side-in front-out distribution box, optical cable connectors are distributed on the side surface of the welding-free distribution box corresponding to the side cabinet door, and tail cable connectors are distributed on the front surface of the front cabinet door. The invention has the advantages that: the incoming line and the outgoing line are effectively separated in space and are not interfered with each other, and high-efficiency construction is realized; the overlapping is avoided, the wiring is clear and simple, the construction and maintenance are convenient, and the wiring risk that the optical cable breaks the tail cable is avoided; sufficient space is provided for wiring, and the long-distance construction is easier to carry out without influencing the previous wiring.
Description
Technical Field
The invention relates to a wiring cabinet in a prefabricated cabin, in particular to a side-in front-out centralized wiring cabinet for the prefabricated cabin.
Background
The prefabricated cabin formula combination equipment of secondary is adopted mostly to intelligent substation, because the on-the-spot other equipment of in-cabin secondary equipment needs and transformer substation are connected, consequently sets up the prefabricated cabin interior outer optical cable line of concentrated wiring cabinet switching, concentrates the installation of wiring cabinet interior and exempt from butt fusion distribution case, adopts the mode of going forward and go out to wire, and optical cable and tail cable are walked the line by the positive groove of screen cabinet, refer to figure 1, specifically do: after the optical cable outside the prefabricated cabin enters the prefabricated cabin through the cabin body wire inlet, the optical cable is connected to the fusion-free optical fiber distribution box through the vertical wire distributing groove in the centralized wiring cabinet and is in butt joint with the prefabricated optical cable socket interface in front of the box body; after the optical fiber is switched by the optical fiber jumping in the box, the optical fiber is led out through a switching optical port which is also arranged in the front of the box body and is connected with equipment in the cabin. The wiring mode of advancing and advancing comes from the characteristics of the prefabricated cabin, namely, the screen cabinets in the prefabricated cabin are arranged close to the wall, but the following problems exist:
1. generally, the wiring quantity of multi-core optical cables of a prefabricated cabin of secondary equipment of a 110kV transformer substation is about 40-60, the wiring quantity of multi-core tail cables exceeds 100, the wiring quantity in a groove on the front side of a screen is large, a single front construction space is difficult to meet large quantities of field wiring, and a large quantity of field wiring workloads are large and the efficiency is low;
2. the wiring of the tail cable in the cabin is finished in a factory, the wiring of the optical cable is finished on the site of a transformer substation, the incoming line and the outgoing line inevitably pass through the same vertical and horizontal wiring grooves in the cabinet, the wiring positions of the incoming line and the outgoing line are overlapped, the optical cable wiring is complex, the construction and maintenance are inconvenient, and therefore the construction difficulty is increased. In addition, the tail cable is easy to break during field wiring of the optical cable, and the field wiring risk is increased.
3. In addition, because the wiring cabinet front side in-groove wiring is more, the wiring in earlier stage is easily influenced during the long-range construction, and the operation, the maintenance and the extension of the transformer substation are not facilitated.
Disclosure of Invention
The invention aims to provide a side-in front-out centralized wiring cabinet for a prefabricated cabin, which reduces the workload of on-site wiring, improves the working efficiency, is convenient to construct and maintain and is beneficial to operation, maintenance and extension of a transformer substation.
The purpose of the invention is realized by the following ways:
a side-in front-out centralized wiring cabinet for a prefabricated cabin comprises a cabinet body and a welding-free wiring box, wherein the cabinet body comprises a front cabinet door and a tail cable wiring groove arranged on the inner side of the front cabinet door; exempt from butt fusion distribution case is a distribution case of going out before advancing side, it has optical cable to connect to distribute on the side face that should exempt from butt fusion distribution case to correspond to the side cabinet door, and it has the pigtail cable to connect to correspond to the front distribution on the cabinet door, the optical cable that introduces prefabricated cabin from the optical cable inlet on cabinet body place ground lays the back along installing the inboard optical cable trough of side cabinet door, insert the optical cable joint on exempting from butt fusion distribution case, be connected to on the pigtail cable connects after exempting from butt fusion distribution incasement jump fine switching, the pigtail cable is connected with the pigtail cable joint who exempts from butt fusion distribution case, and walk the line along the inboard pigtail cable trough of preceding cabinet door, extend to the cabinet body in the front cabinet door lower extreme at last.
The invention separates the optical cable of incoming line from the tail cable of outgoing line, and the optical cable entering the cabinet body from the front is changed into entering, routing and mounting from the side door. In fact, starting from the concept of the prefabricated cabin, the prefabricated cabin body and the screen cabinets in the prefabricated cabin are constructed in a factory prefabrication field installation mode, so that prefabrication is mass production, and mass production means undifferentiated products; the technology is gradually mature when the prefabricated cabin is applied to the prior art, but the production construction mode is maintained all the time. According to the provision of the general design of the modular construction of the intelligent transformer substation, the transportation problem of the prefabricated cabin is considered, and the space of the prefabricated cabin is relatively short, so that all the screen cabinet bodies are uniform in size and consistent in structure and are arranged close to each other and side by side in a row and close to a wall; even if the cabinet body serving as the centralized wiring cabinet is identical to other cabinet bodies, the cabinet body with the front door is adopted, and the left side and the right side of most cabinet bodies are exposed close to and exposed out of the adjacent cabinet bodies, so that the condition of side door opening of a secondary screen cabinet is never considered in the field; the centralized wiring cabinet is generally located close to the prefabricated cabin door, is short in distance from the prefabricated cabin door, and also becomes a factor that the door opening of the side door is not considered, so that although other types of screen cabinets in the prior art are designed to be maintained by adopting a rear door, the centralized wiring cabinet is not considered because no space suitable for construction exists.
However, the invention breaks through the design limitation, provides the side opening door, moves the incoming optical cable part to the side for wiring and installation, provides the wiring concept of side entry and front exit, and achieves the following technical effects:
1) the incoming line and the outgoing line are effectively separated in space and are not interfered with each other, incoming line construction and outgoing line construction are respectively located at different positions of the front side and the side door, and high-efficiency construction can be achieved even if the workload is large.
2) The incoming line is arranged and the outgoing line is arranged without a public wiring groove, so that overlapping is avoided, the wiring is clear and simple, the construction and maintenance are convenient, the construction difficulty is greatly reduced, and the wiring risk that the optical cable breaks the tail cable is avoided.
3) Because the separation of inlet wire and being qualified for the next round of competitions is in different side doors, provides sufficient space for walking the line, can handle the two respectively when operation, maintenance and extension, also go on more easily during the long-range construction and do not influence earlier stage wiring.
The invention may further be embodied as:
the side cabinet door of the cabinet body is a folding door, and the folding line is positioned in the middle of the door.
The folding lines longitudinally divide the side cabinet door into a left part and a right part, and when the side cabinet door is opened, the folding door is transversely folded. Considering the distance from the centralized wiring cabinet to the prefabricated cabin door (about 500mm is less than the width of the side door 600 mm), the side door is in a folding door form, and the influence of the side door on the position of the prefabricated cabin door can be reduced.
The optical cable inlet is distributed at the position close to the side cabinet door.
In the prior art, because the optical cable and the tail cable are simultaneously in and out and operated on the front side, the optical cable inlet is closer to the front cabinet door, and the optical cable inlet can be far away from the tail cable outlet and close to the optical cable wiring slot by adopting a side-feeding mode, so that the distribution positions of the optical cable and the tail cable are further separated.
The optical cable wiring groove is arranged at a position close to the rear side plate of the cabinet body.
Although the construction space can be reduced at the position close to the rear side plate, the construction space is still enough to operate and maintain the optical cable after the side cabinet door is opened, and in order to further separate the optical cable from the tail cable, the optical cable cabling channel is distributed to the position farther away from the tail cable cabling channel as far as possible.
The invention provides a side-in front-out centralized wiring cabinet for a prefabricated cabin, which has the following advantages compared with the existing front-in front-out wiring method:
1) the optical cable wiring entering from the outside of the prefabricated cabin is separated from the tail cable wiring position inside the cabin, so that construction, operation, maintenance and extension are facilitated.
2) Make full use of the space of concentrating the wiring cabinet, avoided the optical cable tail cable sharing to walk the jam that the line passageway caused to and cause and drag the damage during the construction.
3) Due to the fact that the side-in front-out mode is adopted, the surface space of the welding-free distribution frame is fully utilized, the number of optical cables and tail cable connectors of the single welding-free distribution frame is increased, and the space utilization rate of the centralized wiring cabinet is improved.
Drawings
Fig. 1 is a schematic structural diagram of a forward-forward concentrated wiring cabinet according to the background art of the present invention.
Fig. 2 is a schematic structural diagram of a side-in front-out centralized wiring cabinet according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the side-in front-out centralized wiring cabinet according to the present invention.
The present invention will be further described with reference to the following examples.
Detailed Description
The best embodiment is as follows:
referring to the attached drawings 2 and 3, a side-in front-out centralized wiring cabinet for a prefabricated cabin comprises a cabinet body 1 and a welding-free wiring box 2, wherein the cabinet body 1 comprises a front cabinet door 3 and a tail cable wiring groove 4 arranged on the inner side of the front cabinet door, the cabinet body also comprises a side cabinet door 5 positioned on the left side or the right side of the cabinet body and an optical cable wiring groove 6 arranged on the inner side of the side cabinet door 5, and the optical cable wiring groove 6 is arranged at a position close to the rear side plate of the cabinet body. The side cabinet door 5 is a folding door, and the folding line is located in the middle of the door to divide the side cabinet door into a left part and a right part, and when the side cabinet door is opened, the folding door is transversely folded, as shown in fig. 2.
The welding-free distribution box 2 is a side-in front-out distribution box, and an optical cable connector 7 is distributed on the side surface of the welding-free distribution box corresponding to the side cabinet door 5, and a tail cable connector 8 is distributed on the front surface of the front cabinet door, as shown in fig. 3. The fusion-free distribution box body has an external shape of a standard 19-inch server, a height of 1U (1U =44.45 mm), and a length and a width of 483 × 155.
The optical cable inlet 9 on the cabinet body place ground distributes in the position that is close to the side cabinet door, the optical cable that introduces prefabricated cabin from the optical cable inlet 9 on the cabinet body place ground lays along installing at the inboard optical cable trough 6 of side cabinet door and walks the line back, the optical cable joint 7 on the butt fusion distribution case 2 is exempted from in the access, through exempting from butt fusion distribution case 2 incasement jump fine switching back be connected to on the tail cable connects 8, the tail cable is connected with the tail cable joint who exempts from the butt fusion distribution case, and walk the line along the inboard tail cable trough 4 of preceding cabinet door, extend to the cabinet body through the tail cable outlet 10 of preceding cabinet door lower extreme department downwards at last and be connected with the equipment in the cabin.
Compared with the scheme of the prior art, the invention mainly has the following change points:
1) the front opening door of the centralized wiring cabinet is changed into the simultaneous opening of the front side and the side surface, wherein the side opening door is foldable. Two wiring grooves are arranged on the front face of the centralized wiring cabinet, and the size of the cross section of each groove can be determined according to the wiring amount and is not suitable to be larger than 120mm and 120 mm. A wiring groove is arranged at the side face of the screen cabinet close to the wall, and the size of the section of the groove can be determined according to the wiring amount and is not more than 150mm but 150 mm.
2) Go out before advancing and exempt from butt fusion distribution case structural design: compared with the welding-free distribution box which advances forwards and goes out, the side surface of the welding-free distribution box which advances forwards and goes out is provided with a prefabricated optical cable connector, the front surface of the welding-free distribution box is provided with an ST or LC type tail cable connector, the side surface space of the distribution box is fully utilized, and the two connectors are separated.
Therefore, the optical cable outside the cabin is routed from the vertical wiring groove on the inner side surface of the cabinet after coming in from the wiring inlet in the cabin, and is connected to the prefabricated optical cable socket on the side surface of the welding-free wiring box; after being switched by the fiber jumping in the box, the fiber is led out through a switching light port arranged in front of the box body and is connected with equipment in the cabin. The wiring mode enables incoming and outgoing paths in the cabinet on the same side to be isolated and not to interfere with each other, expands wiring space and is beneficial to operation and maintenance. In addition, because the centralized wiring cabinet in the prefabricated cabin is usually arranged at the entrance of the prefabricated cabin, and no other screen cabinets are arranged on the side edge, the side opening door has no influence on the arrangement mode of the original screen cabinets in the cabin.
The wiring scheme of the side-in front-out centralized wiring cabinet is as follows:
1) the front face of the side-in front-out welding-free distribution box corresponds to the front face of the screen cabinet and is fixed at a device installation clamping groove of the centralized wiring cabinet.
2) The secondary screen cabinet in mill with exempt from before the butt joint of butt joint socket of being qualified for the next round of competitions of butt joint distribution case: and each secondary screen cabinet tail cable in the prefabricated cabin is pre-buried to the bottom of the centralized wiring cabinet through a wiring channel at the cabin bottom, and is connected to the front ST or LC type tail cable joint of the welding-free wiring box through a front wiring channel.
3) The outboard inlet wire of the engineering field is butted with the socket on the side surface of the welding-free distribution box: the prefabricated optical cable outside the cabin enters the cabin through a prefabricated cabin wire inlet, is connected to the bottom of the centralized wiring cabinet through an in-cabin wiring groove, and then is accessed into the side through a side wiring groove, and is advanced out of the side optical cable connector of the welding-free wiring box.
Therefore, the wiring of all the optical cable tail cables in the prefabricated cabin centralized wiring cabinet is completed.
The parts of the invention not described are the same as the prior art.
Claims (4)
1. A side-in front-out centralized wiring cabinet for a prefabricated cabin comprises a cabinet body and a welding-free wiring box, wherein the cabinet body comprises a front cabinet door and a tail cable wiring groove arranged on the inner side of the front cabinet door; exempt from butt fusion distribution case is a distribution case of going out before advancing side, it has optical cable to connect to distribute on the side face that should exempt from butt fusion distribution case to correspond to the side cabinet door, and it has the pigtail cable to connect to correspond to the front distribution on the cabinet door, the optical cable that introduces prefabricated cabin from the optical cable inlet on cabinet body place ground lays the back along installing the inboard optical cable trough of side cabinet door, insert the optical cable joint on exempting from butt fusion distribution case, be connected to on the pigtail cable connects after exempting from butt fusion distribution incasement jump fine switching, the pigtail cable is connected with the pigtail cable joint who exempts from butt fusion distribution case, and walk the line along the inboard pigtail cable trough of preceding cabinet door, extend to the cabinet body in the front cabinet door lower extreme at last.
2. A side-in front-out centralized wiring cabinet for prefabricated cabins according to claim 1, wherein the side cabinet door of the cabinet body is a folding door, and the folding line is positioned in the middle of the door.
3. A side-in front-out centralized wiring cabinet for prefabricated cabins according to claim 1, wherein the cable inlets are distributed near the side cabinet doors.
4. A side-entry front-exit concentration wiring cabinet for prefabricated cabins according to claim 1, wherein the cable run channels are mounted near the rear panel of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711334166.7A CN107884889B (en) | 2017-12-14 | 2017-12-14 | Side-in front-out centralized wiring cabinet for prefabricated cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711334166.7A CN107884889B (en) | 2017-12-14 | 2017-12-14 | Side-in front-out centralized wiring cabinet for prefabricated cabin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107884889A CN107884889A (en) | 2018-04-06 |
| CN107884889B true CN107884889B (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711334166.7A Active CN107884889B (en) | 2017-12-14 | 2017-12-14 | Side-in front-out centralized wiring cabinet for prefabricated cabin |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203415822U (en) * | 2013-06-18 | 2014-01-29 | 国家电网公司 | Secondary equipment screen cabinet and secondary equipment prefabricated cabin employing same |
| CN104238054A (en) * | 2014-09-09 | 2014-12-24 | 国家电网公司 | Novel optical fiber wiring cabinet |
| CN204575930U (en) * | 2015-05-21 | 2015-08-19 | 四川天邑康和通信股份有限公司 | A kind of fibre distribution frame |
| CN206321830U (en) * | 2016-12-20 | 2017-07-11 | 中国能源建设集团广东省电力设计研究院有限公司 | Secondary device prefabricated cabin optic fibre switching cabinet |
| CN207650466U (en) * | 2017-12-14 | 2018-07-24 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of side for prefabricated cabin is into preceding going out to concentrate wiring cabinet |
-
2017
- 2017-12-14 CN CN201711334166.7A patent/CN107884889B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203415822U (en) * | 2013-06-18 | 2014-01-29 | 国家电网公司 | Secondary equipment screen cabinet and secondary equipment prefabricated cabin employing same |
| CN104238054A (en) * | 2014-09-09 | 2014-12-24 | 国家电网公司 | Novel optical fiber wiring cabinet |
| CN204575930U (en) * | 2015-05-21 | 2015-08-19 | 四川天邑康和通信股份有限公司 | A kind of fibre distribution frame |
| CN206321830U (en) * | 2016-12-20 | 2017-07-11 | 中国能源建设集团广东省电力设计研究院有限公司 | Secondary device prefabricated cabin optic fibre switching cabinet |
| CN207650466U (en) * | 2017-12-14 | 2018-07-24 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of side for prefabricated cabin is into preceding going out to concentrate wiring cabinet |
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| Publication number | Publication date |
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| CN107884889A (en) | 2018-04-06 |
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| CB02 | Change of applicant information |
Address after: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Applicant after: China Electric Power Construction Group Fujian electric survey and Design Institute Co., Ltd. Applicant after: State Grid Fujian Electric Power Co., Ltd. Applicant after: ZHANGZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER CO., LTD. Applicant after: Economic technology academy of State Grid Fujian Electric Power Co., Ltd. Address before: 350003 Gulou District, Fujian, Fuzhou No. 54 Road, No. 268 Applicant before: Fujian Electric Power Survey and Design Institute Applicant before: State Grid Fujian Electric Power Co., Ltd. Applicant before: ZHANGZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER CO., LTD. Applicant before: Economic technology academy of State Grid Fujian Electric Power Co., Ltd. |
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