CN112162373A - Fireproof optical cable cross-connecting cabinet for communication base station - Google Patents
Fireproof optical cable cross-connecting cabinet for communication base station Download PDFInfo
- Publication number
- CN112162373A CN112162373A CN202011133643.5A CN202011133643A CN112162373A CN 112162373 A CN112162373 A CN 112162373A CN 202011133643 A CN202011133643 A CN 202011133643A CN 112162373 A CN112162373 A CN 112162373A
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- box
- ventilation
- optical cable
- sliding
- base station
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- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 title claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims abstract description 28
- 239000004576 sand Substances 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 13
- 241001330002 Bambuseae Species 0.000 claims description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 13
- 239000011425 bamboo Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 244000035744 Hura crepitans Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to the technical field of communication equipment, and particularly relates to a fireproof optical cable cross-connecting box for a communication base station, which comprises a box body, wherein ventilation openings corresponding to the positions of the ventilation openings are formed in two sides of the box body, and the box body is internally provided with: the two ventilation boxes are fixedly arranged in the ventilation port in a penetrating mode respectively, openings are formed in two sides of each ventilation box, a vertically arranged fixed plate is fixedly arranged on the inner side wall of each ventilation box, a plurality of first air holes are formed in the fixed plate at equal intervals, a sliding plate parallel to the fixed plate is connected onto the inner side wall of each ventilation box in a sliding mode, a plurality of second air holes are formed in the sliding plate at equal intervals, and the first air holes and the second air holes are arranged in a staggered mode; and the sand storage box is fixedly arranged on the inner top surface of the box body. When a fire disaster occurs, the box body can be sealed to isolate external air, a good fire extinguishing effect is achieved, meanwhile, fire extinguishing sand is sprinkled to a lower ignition point, and the fire extinguishing capacity is further improved.
Description
Technical Field
The invention belongs to the technical field of communication equipment, and particularly relates to a fireproof optical cable cross-connecting cabinet for a communication base station.
Background
The optical cable cross-connecting box is cross-connecting equipment for providing optical cable terminating and jumping connection for a trunk layer optical cable and a wiring layer optical cable, and necessary optical cable cross-connecting boxes are arranged on a trunk route of the optical cable in order to improve the utilization rate of an optical cable trunk, reduce the opening times introduced by an optical cable joint and effectively improve the safety and reliability of the optical cable.
The optical cable distributing box is installed at open air jointing equipment, and inside optic fibre can produce the heat in transmission process, if ambient temperature is higher, when the heat was difficult to in time effluvium in the optical cable distributing box, the temperature lasted in the optical cable distributing box, easily caused the problem that the insulating epidermis of optical cable was on fire, was burnt, led to the fact the influence to optical cable signal transmission's communication engineering, can cause dangerous accidents such as conflagration even.
Therefore, a fireproof optical cable cross-connecting cabinet for a communication base station is provided to solve the above problems.
Disclosure of Invention
The invention aims to provide a fireproof optical cable cross-connecting cabinet for a communication base station, which can automatically extinguish fire and prevent fire, aiming at the problem that fire is easy to ignite and burn in the cross-connecting cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a fire prevention type optical cable distributing box for communication base station, includes the box, the vent that the position corresponds is all seted up to the both sides of box, be equipped with in the box:
the two ventilation boxes are fixedly arranged in the ventilation port in a penetrating mode respectively, openings are formed in two sides of each ventilation box, a vertically arranged fixed plate is fixedly arranged on the inner side wall of each ventilation box, a plurality of first air holes are formed in the fixed plate at equal intervals, a sliding plate parallel to the fixed plate is connected onto the inner side wall of each ventilation box in a sliding mode, a plurality of second air holes are formed in the sliding plate at equal intervals, and the first air holes and the second air holes are arranged in a staggered mode;
the sand storage box is fixedly arranged on the inner top surface of the box body, fire extinguishing sand is filled in the sand storage box, a deformation gauze is arranged and fixedly connected with an opening in the bottom surface of the sand storage box, and the deformation gauze is woven by flexible steel bars;
the fixing ring is fixedly arranged on the inner wall of the box body, the inner ring of the fixing ring is rotatably connected with a temperature guide cylinder, two sliding plugs are arranged in the temperature guide cylinder in a sliding mode and fixed through a memory spring, the two sliding plugs are fixedly connected with a sliding plate through two connecting rods respectively, a driving mechanism is arranged outside the temperature guide cylinder, and the output end of the driving mechanism is connected with the deformation gauze.
Preferably, actuating mechanism includes the coaxial half gear that cup joints outside leading the temperature section of thick bamboo, sliding connection has the sliding frame on the inside wall of box, all be equipped with the tooth's socket that matches with the half gear on the inside wall of sliding frame both sides, the upper end of sliding frame is through bracing piece and deformation gauze fixed connection, lead the equal fixedly connected with screw thread section of thick bamboo in both ends of temperature section of thick bamboo, be equipped with the screw thread on the lateral wall of connecting rod and with screw thread section of thick bamboo screw-thread fit.
Preferably, a plurality of heat conduction copper pipes are mounted on the side wall of the heat conduction barrel.
Preferably, a telescopic air bag is arranged in the ventilation box, two ends of the telescopic air bag are respectively and fixedly connected with the fixed plate and the sliding plate, an L-shaped air guide pipe is communicated with the side wall of the telescopic air bag, and the output end of the L-shaped air guide pipe extends to the position below the sand storage box.
Compared with the prior art, this fire prevention type optical cable distributing box for communication base station's advantage lies in:
1. according to the invention, by arranging the memory spring, when a fire disaster occurs due to overhigh temperature in the box body, combustible materials such as optical cables and the like in the box body are combusted, the temperature reaches the metamorphosis temperature of the memory spring, the memory spring extends to push the connecting rod to move, other sensing equipment and driving devices are not required to be arranged, and the cost is reduced.
2. According to the invention, by arranging the sliding plate, when no fire occurs, the sliding plate is not contacted with the fixed plate, at the moment, the interior of the box body is communicated with the outside through the first air hole and the second air hole, air can flow freely, normal heat dissipation in the box body is ensured, when a fire occurs, the connecting rod pushes the sliding plate to slide and abut against the fixed plate, the first air hole and the second air hole are sealed, the box body is in a sealed state, external air is isolated, and a good fire extinguishing effect is achieved.
3. According to the invention, the deformable gauze is arranged, when the connecting rod moves, the threaded cylinder in threaded fit with the connecting rod is driven to rotate, the temperature guide cylinder and the half gear rotate to drive the movable frame to move up and down, the movable frame pulls the deformable gauze to deform in a reciprocating manner through the supporting rod, and in the deformation process of the deformable gauze, the internal mesh openings are periodically increased, so that fire extinguishing sand in the sand storage box leaks out and falls on a lower ignition point, the fire extinguishing capability is further improved, and the safety is high.
4. According to the invention, the telescopic air bag is arranged, when the sliding plate approaches to the fixed plate, the telescopic air bag is extruded, and the internal air is sprayed to the lower part of the sand storage box through the L-shaped air guide pipe, so that the coverage range of fire extinguishing sand is larger and uniform, dead angles are avoided, and the fire extinguishing is more thorough.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of a fireproof optical cable cross-connecting cabinet for a communication base station, provided by the invention;
FIG. 2 is a cross-sectional view showing an internal structure of a thermal conductive sleeve in embodiment 1 of a fireproof optical cable cross-connecting cabinet for a communication base station according to the present invention;
fig. 3 is a schematic side view of a movable frame in embodiment 1 of a fireproof optical cable cross-connecting cabinet for a communication base station according to the present invention;
fig. 4 is a schematic structural diagram of a fireproof optical cable cross-connecting cabinet for a communication base station according to embodiment 2 of the present invention.
In the figure, a box body 1, an air vent 11, a ventilation box 2, a fixed plate 21, a first air hole 22, a sliding plate 23, a second air hole 24, a sand storage box 3, a deformable gauze 31, a fixed ring 4, a temperature guide cylinder 5, a sliding plug 51, a connecting rod 52, a memory spring 53, a driving mechanism 6, a half gear 61, a sliding frame 62, a supporting rod 63, a threaded cylinder 64, a heat conduction copper pipe 7, an expansion air bag 8 and a gas guide pipe 9L are arranged.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-3, a fire prevention type optical cable distributing box for communication base station, including box 1, the vent 11 that the position corresponds is all seted up to the both sides of box 1, is equipped with in the box 1:
the two ventilation boxes 2 are respectively fixedly installed in the ventilation opening 11 in a penetrating mode, openings are formed in two sides of each ventilation box 2, a vertically-arranged fixing plate 21 is fixedly installed on the inner side wall of each ventilation box 2, a plurality of first air holes 22 are formed in the fixing plate 21 at equal intervals, a sliding plate 23 parallel to the fixing plate 21 is connected onto the inner side wall of each ventilation box 2 in a sliding mode, a plurality of second air holes 24 are formed in the sliding plate 23 at equal intervals, and the first air holes 22 and the second air holes 24 are arranged in a staggered mode;
the fire extinguishing sand box comprises a sand storage box 3, wherein the sand storage box 3 is fixedly arranged on the inner top surface of a box body 1, fire extinguishing sand is filled in the sand storage box 3, a bottom opening of the sand storage box 3 is provided and fixedly connected with a deformation gauze 31, and the deformation gauze 31 is formed by weaving flexible steel bars;
the temperature-sensing device comprises two fixing rings 4, the fixing rings 4 are fixedly installed on the inner wall of a box body 1, the inner ring of each fixing ring 4 is rotatably connected with a temperature-conducting cylinder 5, two sliding plugs 51 are arranged in each temperature-conducting cylinder 5 in a sliding mode and fixed through memory springs 53, each memory spring 53 is formed by winding CuZnAl memory alloy wires and is in a shortened state in a room temperature environment, the temperature reaches the abnormal temperature when the temperature rises to be higher than 80 ℃, each memory spring 53 extends, the two sliding plugs 51 are fixedly connected with a sliding plate 23 through two connecting rods 52, a plurality of heat-conducting copper pipes 7 are installed on the side wall of each temperature-conducting cylinder 5, the heat-conducting copper pipes 7 can rapidly conduct heat generated by combustion in the box body 1 into the temperature-conducting cylinders 5, the deformation reaction speed of the memory springs 53 is accelerated, a driving mechanism 6 is arranged outside the temperature-conducting cylinders 5.
The working principle of the embodiment is as follows: when no fire occurs, the sliding plate 23 is not in contact with the fixed plate 21, and at the moment, the interior of the box body 1 is communicated with the outside through the first air hole 22 and the second air hole 24, so that air can flow freely, and normal heat dissipation in the box body 1 is ensured.
When resulting in the conflagration to take place because of the high temperature in box 1, because of combustible substance burning such as optic fibre cable in box 1, the temperature reaches memory spring 53's abnormal temperature, memory spring 53 extends, promote connecting rod 52 and remove, need not to set up other response equipment and drive arrangement, and therefore, the cost is reduced, connecting rod 52 promotes sliding plate 23 and slides and offsets the contact with fixed plate 21, seal first wind hole 22 and second wind hole 24, then be in encapsulated situation in the box 1, isolated outside air, play good fire extinguishing effect.
When connecting rod 52 removed, drive a screw thread section of thick bamboo 64 with it and rotate, then lead a temperature section of thick bamboo 5 and half gear 61 and rotate, drive movable frame 62 and reciprocate, movable frame 62 stimulates the reciprocal deformation of deformation gauze 31 through bracing piece 63, and deformation gauze 31 deformation in-process, the cyclic increase of inside mesh makes the sand of putting out a fire in the storage sand box 3 spill and spill on the below ignition, further promotes the ability of putting out a fire, and the security is high.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that: be equipped with flexible gasbag 8 in the ventilation case 2, the both ends of flexible gasbag 8 respectively with fixed plate 21 and sliding plate 23 fixed connection, the intercommunication has L shape air duct 9 on the lateral wall of flexible gasbag 8, and the output of L shape air duct 9 extends to the setting of storing up husky box 3 below.
In this embodiment, when the sliding plate 23 is close to the fixed plate 21, the telescopic airbag 8 is squeezed, and the internal air is sprayed to the lower part of the sand storage box 3 through the L-shaped air duct 9, so that the coverage area of the fire extinguishing sand is larger and uniform, dead angles are avoided, and the fire extinguishing is more thorough.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a fire prevention type optical cable distributing box for communication base station, includes box (1), its characterized in that, vent (11) that the position corresponds are all seted up to the both sides of box (1), be equipped with in box (1):
the ventilation device comprises two ventilation boxes (2), wherein the two ventilation boxes (2) are respectively and fixedly installed in a ventilation opening (11) in a penetrating mode, openings are formed in two sides of each ventilation box (2), a vertically-arranged fixing plate (21) is fixedly installed on the inner side wall of each ventilation box (2), a plurality of first air holes (22) are equidistantly formed in each fixing plate (21), a sliding plate (23) parallel to each fixing plate (21) is slidably connected onto the inner side wall of each ventilation box (2), a plurality of second air holes (24) are equidistantly formed in each sliding plate (23), and the first air holes (22) and the second air holes (24) are arranged in a staggered mode;
the fire extinguishing sand box comprises a sand storage box (3), wherein the sand storage box (3) is fixedly arranged on the inner top surface of a box body (1), fire extinguishing sand is filled in the sand storage box (3), a deformation gauze (31) is arranged and fixedly connected with an opening in the bottom surface of the sand storage box (3), and the deformation gauze (31) is formed by weaving flexible steel bars;
two solid fixed rings (4), gu fixed ring (4) fixed mounting is on the inner wall of box (1), the inner circle of solid fixed ring (4) rotates and is connected with leads heat section of thick bamboo (5), it has two sliding plug (51) to slide in heat section of thick bamboo (5), two it is fixed through memory spring (53) between, two sliding plug (51) are respectively through two connecting rod (52) and sliding plate (23) fixed connection, it is equipped with actuating mechanism (6) to lead heat section of thick bamboo (5) outward, the output and the deformation gauze (31) of actuating mechanism (6) are connected.
2. The fireproof optical cable distribution box for the communication base station according to claim 1, wherein the driving mechanism (6) comprises a half gear (61) coaxially sleeved outside the heat conducting cylinder (5), the inner side wall of the box body (1) is slidably connected with a sliding frame (62), tooth grooves matched with the half gear (61) are formed in the inner side walls of two sides of the sliding frame (62), the upper end of the sliding frame (62) is fixedly connected with the deformation gauze (31) through a support rod (63), threaded cylinders (64) are fixedly connected to two ends of the heat conducting cylinder (5), and threads are formed in the side walls of the connection rod (52) and are in threaded fit with the threaded cylinders (64).
3. The fireproof optical cable distribution box for the communication base station according to claim 1, wherein a plurality of heat conducting copper pipes (7) are mounted on the side wall of the heat conducting barrel (5).
4. The fireproof optical cable cross-connecting cabinet for the communication base station according to claim 1, wherein a telescopic air bag (8) is arranged in the ventilation box (2), two ends of the telescopic air bag (8) are respectively and fixedly connected with the fixed plate (21) and the sliding plate (23), an L-shaped air guide pipe (9) is communicated with the side wall of the telescopic air bag (8), and the output end of the L-shaped air guide pipe (9) extends to the position below the sand storage box (3).
Priority Applications (1)
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CN202011133643.5A CN112162373B (en) | 2020-10-21 | 2020-10-21 | Fireproof optical cable cross-connecting cabinet for communication base station |
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CN202011133643.5A CN112162373B (en) | 2020-10-21 | 2020-10-21 | Fireproof optical cable cross-connecting cabinet for communication base station |
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CN112162373A true CN112162373A (en) | 2021-01-01 |
CN112162373B CN112162373B (en) | 2021-05-28 |
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CN202011133643.5A Active CN112162373B (en) | 2020-10-21 | 2020-10-21 | Fireproof optical cable cross-connecting cabinet for communication base station |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113433640A (en) * | 2021-07-13 | 2021-09-24 | 武汉迪信达科技有限公司 | Integrated form optical cable distributing box |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090093297A (en) * | 2008-02-29 | 2009-09-02 | 주식회사 부시파워 | Fire prevention equipment of generator box on board for distributing board |
CN104503047A (en) * | 2014-12-02 | 2015-04-08 | 宁波市令通电信设备有限公司 | Optical cable distribution box |
CN104503049A (en) * | 2014-12-02 | 2015-04-08 | 宁波市令通电信设备有限公司 | Optical cable transfer box |
CN207232468U (en) * | 2017-09-18 | 2018-04-13 | 安徽昌讯光电设备有限公司 | A kind of new fiber-dividing box |
CN207879199U (en) * | 2018-01-31 | 2018-09-18 | 铜陵狮达防火门有限责任公司 | A kind of fire prevention in warehouse door |
CN108566757A (en) * | 2018-06-11 | 2018-09-21 | 佛山舒宜添科技有限公司 | A kind of big data computer cabinet based on fire prevention rescue prevention technique |
-
2020
- 2020-10-21 CN CN202011133643.5A patent/CN112162373B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090093297A (en) * | 2008-02-29 | 2009-09-02 | 주식회사 부시파워 | Fire prevention equipment of generator box on board for distributing board |
CN104503047A (en) * | 2014-12-02 | 2015-04-08 | 宁波市令通电信设备有限公司 | Optical cable distribution box |
CN104503049A (en) * | 2014-12-02 | 2015-04-08 | 宁波市令通电信设备有限公司 | Optical cable transfer box |
CN207232468U (en) * | 2017-09-18 | 2018-04-13 | 安徽昌讯光电设备有限公司 | A kind of new fiber-dividing box |
CN207879199U (en) * | 2018-01-31 | 2018-09-18 | 铜陵狮达防火门有限责任公司 | A kind of fire prevention in warehouse door |
CN108566757A (en) * | 2018-06-11 | 2018-09-21 | 佛山舒宜添科技有限公司 | A kind of big data computer cabinet based on fire prevention rescue prevention technique |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113433640A (en) * | 2021-07-13 | 2021-09-24 | 武汉迪信达科技有限公司 | Integrated form optical cable distributing box |
CN113433640B (en) * | 2021-07-13 | 2024-01-09 | 武汉迪信达科技有限公司 | Integrated optical cable distributing box |
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