Safe optical cable cross-connecting box

Abstract

A safe optical cable cross-connecting box provided by the present invention comprises a base, the upper part of the base is rotatably connected with a heat dissipation cylinder, the heat dissipation cylinder is fixedly sleeved with an installation column, and the circumferential side wall of the installation column is provided with a plurality of welding disc grooves from top to bottom and is also provided with a plurality of optical splitter grooves. The inner side of the welding disc groove and the inner side of the optical splitter groove are both communicated with the heat dissipation barrel through heat extraction openings, the periphery of the installation column is covered with a liftable protection barrel cover, a heat dissipation opening communicated with the heat dissipation barrel is formed in the top of the protection barrel cover, a heat dissipation fan is installed in the heat dissipation opening, and an air suction cavity communicated with the heat dissipation barrel is formed in the base. An annular groove is formed in the circumferential cavity wall of the air suction cavity. According to the cross-connecting box, the cylindrical arrangement is adopted, the welding disc grooves and the optical splitter grooves are reasonably distributed in the circumferential direction, the occupied area can be reduced, centralized heat dissipation can be achieved, the heat dissipation effect is improved, water vapor and dust sucked into air can be adsorbed, and safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of optical cable communication, and in particular to a safe optical cable junction box. Background Art

[0002] The optical cable junction box is a junction device that provides termination and jumpering for the trunk layer optical cable and the distribution layer optical cable. After the optical cable is introduced into the optical cable junction box, it is fixed, terminated, and fiber-matched, and then the trunk layer optical cable and the distribution layer optical cable are connected using jumper fibers.

[0003] Most of the existing optical cable junction boxes are square, with areas for splice tray installation and splitter installation inside, occupying a large area. In addition, the optical cable junction box generally works outdoors, the light intersection inside the optical cable junction box is dense, and the internal space of the junction box is relatively closed, which can easily cause high temperature inside the optical cable junction box. At present, ventilation and other operations are mostly used to exchange gas between the inside and outside of the cable junction box. However, due to the changeable external environment, direct gas exchange with the external environment is likely to introduce humid or dusty air into the interior of the optical cable junction box, causing internal safety hazards. Summary of the invention

[0004] In view of the above problems, the present invention provides a safe optical cable junction box, which adopts a circular columnar setting, and the fusion plate grooves and the splitter grooves are reasonably distributed circumferentially, which can reduce the footprint, and can also concentrate the heat dissipation to improve the heat dissipation effect, and can absorb the water vapor and dust in the inhaled air to improve safety.

[0005] To solve the above problems, the technical solution adopted by the present invention is:

[0006] A safe optical cable junction box comprises a base, wherein a heat dissipation cylinder is rotatably connected to the top of the base, a mounting column is fixedly sleeved on the heat dissipation cylinder, a plurality of fusion plate grooves are arranged on the circumferential side wall of the mounting column from top to bottom, and a plurality of splitter grooves are also arranged, the inner sides of the fusion plate grooves and the splitter grooves are both connected with the heat dissipation cylinder through a heat exhaust port, an outer cover of the mounting column is provided with a liftable protective cylinder cover, a heat dissipation port connected with the heat dissipation cylinder is arranged on the top of the protective cylinder cover, a heat dissipation fan is installed in the heat dissipation port, an air suction chamber connected with the heat dissipation cylinder is arranged in the base, an annular groove is arranged on the circumferential cavity wall of the air suction chamber, an annular filter is inserted in the annular groove, a plurality of air suction ports connected with the annular groove are arranged on the circumferential outer wall of the base, and a plurality of air inlets connected with the protective cylinder cover are arranged on the top of the air suction chamber.

[0007] Preferably, a hydraulic cylinder is vertically fixedly installed on the inner bottom of the air suction chamber, the hydraulic cylinder passes through the heat dissipation cylinder, and the telescopic end is fixedly connected to the protective cylinder cover.

[0008] Preferably, a first motor is installed in the telescopic end of the hydraulic cylinder, and the first motor drives a cooling fan.

[0009] Preferably, the annular filter is divided into multiple partitions in the circumferential direction by multiple partitions. The annular filter is a combination filter of a HEPA filter and absorbent cotton. The HEPA filter is located on the outside, the absorbent cotton is located on the inside, and an annular cover plate is provided at the notch of the annular groove.

[0010] Preferably, an air guide ring is sealingly and rotatably connected at the connection point between the air suction chamber and the annular groove. The air guide ring is located on the inner side of the annular filter. A plurality of radial air guide ports are spaced apart on the circumference of the air guide ring. A driving assembly is installed in the base which can drive the air guide ring to rotate at a regular interval.

[0011] Preferably, the driving assembly includes an annular channel arranged at the bottom of the air suction chamber, a gear ring corresponding to the annular channel is fixed at the bottom of the air guide ring, a second motor is installed in the annular channel, a gear is fixed at the output end of the second motor, the gear is meshed with the gear ring, and the second motor is externally connected to a controller.

[0012] Preferably, a cleaning mechanism for cleaning and drying the annular filter is installed in the protective tube cover, and the cleaning mechanism includes an exhaust assembly and an air guide assembly, the exhaust assembly is arranged in the protective tube cover, and the air guide assembly is arranged in the base.

[0013] Preferably, the exhaust assembly includes a plurality of exhaust channels circumferentially distributed in the protective cylinder cover, the plurality of exhaust channels correspond one-to-one to the plurality of partitions of the annular filter, the bottom of the exhaust channel is connected to the bottom of the protective cylinder cover, the top of the exhaust channel is connected to the heat dissipation port, a heat dissipation cover that can be raised and lowered is fixedly installed in the heat dissipation port, the upper circumferential side wall of the heat dissipation cover is provided with a plurality of air outlets, when the heat dissipation cover rises, its lower half cover wall blocks the plurality of exhaust channels, when the heat dissipation cover descends, the plurality of air outlets are connected one-to-one to the plurality of exhaust channels, a rain shield is fixed to the top of the protective cylinder cover, an electric push rod is installed on the inner top of the rain shield, and the telescopic end of the electric push rod is fixedly connected to the top of the heat dissipation cover.

[0014] Preferably, the air guide assembly includes a plurality of connecting ports circumferentially arranged at the top of the air suction cavity, and the plurality of connecting ports correspond to a pair of bottoms of a plurality of exhaust channels. An L-shaped back-blow port is provided on the air guide ring between a plurality of adjacent air guide ports, and the top of the L-shaped back-blow port is adapted to the connecting port, and the bottom of the L-shaped back-blow port corresponds to an annular filter.

[0015] Preferably, a sealing gasket is installed at the bottom cover opening of the protective tube cover.

[0016] The beneficial effects of the present invention are:

[0017] 1. Through the installation of the base, heat dissipation tube, mounting column and heat dissipation port, the junction box adopts a circular columnar setting, and multiple welding plate slots and multiple splitter slots are reasonably distributed circumferentially, which can reduce the floor space. The cooling fan is started to suck the air in the box. The gas flows through multiple welding plate slots and multiple splitter slots, takes away the heat in the slot, collects it in the heat dissipation tube through the heat exhaust port, and finally discharges it through the heat dissipation port, so as to realize centralized heat dissipation and improve the heat dissipation effect.

[0018] 2. By installing the air intake cavity, annular filter, air intake port and air guide ring, the air in the protective tube cover is inhaled through multiple air intake ports and filtered by the annular filter. The outer HEPA filter can isolate dust, and the absorbent cotton on the inside absorbs water vapor in the air. The purified air enters the protective tube cover through the exhaust port to improve safety. The controller starts the second motor at a fixed time, and drives the air guide ring to rotate intermittently through the gears and gear rings, so that the multiple air intake ports are timed to correspond to the multiple partitions of the annular filter, and the annular filter is used evenly to improve the purification effect.

[0019] 3. By installing the cleaning mechanism, under normal working conditions, the heat dissipation hood is in a raised state, and the hot air discharged from the heat dissipation port is discharged to the outside through the raised multiple air outlets. When it is necessary to clean multiple partitions of the annular filter, you only need to start the electric push rod to drive the heat dissipation hood to descend, so that the multiple air outlets correspond to the multiple exhaust channels one by one, and the hot air in the heat dissipation port enters the multiple exhaust channels. The air guide ring rotates intermittently, so that the multiple L-shaped back-blowing ports are intermittently connected with the multiple connecting ports. The hot air is blown to the inside of the annular filter through the connected exhaust channels, connecting ports and L-shaped back-blowing ports. The hot air first dries the absorbent cotton, and then blows the dust on the HEPA filter out of the air intake port, thereby realizing self-cleaning of the annular filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure enlargement at point A;

[0022] Figure 3 for Figure 1 A schematic diagram of the structure at B in FIG.

[0023] Figure 4 A schematic top view of the annular filter screen proposed by the present invention;

[0024] Figure 5 A schematic top view of the air guide ring proposed by the present invention;

[0025] Figure 6 This is a top view cross-sectional schematic diagram of the annular filter and air guide ring combination proposed by the present invention;

[0026] Figure 7This is a top view cross-sectional schematic diagram of the protective tube cover proposed by the present invention.

[0027] In the figure: 1 base, 2 hydraulic cylinder, 3 suction cavity, 4 annular channel, 5 suction port, 6 annular filter, 7 annular groove, 8 annular cover, 9 air guide ring, 10 protective tube cover, 11 exhaust channel, 12 mounting column, 13 welding plate groove, 14 splitter groove, 15 heat sink, 16 heat exhaust port, 17 electric push rod, 18 rain shield, 19 heat sink, 20 air outlet, 21 heat outlet, 22 cooling fan, 23 first motor, 24 sealing gasket, 25 air guide port, 26 gear ring, 27 gear, 28 second motor, 29 partition, 30 L-type backflush port, 31 air inlet. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0030] Reference Figure 1-7 A safe optical cable junction box includes a base 1, a heat dissipation cylinder 15 is rotatably connected to the top of the base 1, a mounting column 12 is fixedly sleeved on the heat dissipation cylinder 15, a plurality of fusion plate grooves 13 are arranged on the circumferential side wall of the mounting column 12 from top to bottom, and a plurality of splitter grooves 14 are also arranged, which are arranged in a circular columnar shape, and the plurality of fusion plate grooves 13 and the plurality of splitter grooves 14 are reasonably distributed circumferentially, which can reduce the floor space.

[0031] The outer cover of the mounting column 12 is provided with a liftable protective cylinder cover 10, and a hydraulic cylinder 2 is vertically fixedly installed on the inner bottom of the air intake chamber 2. The hydraulic cylinder 2 penetrates the heat dissipation cylinder 15, and the telescopic end is fixedly connected to the protective cylinder cover 10. By starting the hydraulic cylinder 2, the protective cylinder cover 10 can be lifted and opened, which is convenient to use. A sealing gasket 24 is installed at the bottom cover opening of the protective cylinder cover 10. In the closed state, the sealing gasket 24 realizes sealing.

[0032] The inner sides of the welding plate slot 13 and the splitter slot 14 are connected to the heat dissipation tube 15 through the heat exhaust port 16. The top of the protective tube cover 10 is provided with a heat dissipation port 21 connected to the heat dissipation tube 15. A heat dissipation fan 22 is installed in the heat dissipation port 21. A first motor 23 is installed in the telescopic end of the hydraulic cylinder 2. The first motor 23 drives the heat dissipation fan 22. Starting the first motor 23 drives the heat dissipation fan to rotate, sucking the air in the tube cover, and the gas flows through multiple welding plate slots 13 and multiple splitter slots 14, taking away the heat in the slot, and collecting it in the heat dissipation tube 15 through the heat exhaust port 16, and finally discharged through the heat dissipation port 21, so as to realize centralized heat dissipation and improve the heat dissipation effect.

[0033] An air intake chamber 3 connected with the heat dissipation tube 15 is provided in the base 1, and an annular groove 7 is provided on the circumferential cavity wall of the air intake chamber 3, and an annular filter screen 6 is inserted in the annular groove 7. The annular filter screen 6 is divided into multiple partitions by multiple partitions 29 in the circumferential direction. The annular filter screen 6 is a filter screen that meets the HEPA filter screen and absorbent cotton. The HEPA filter screen is located on the outside, and the absorbent cotton is located on the inside. A plurality of air intake ports 5 connected with the annular groove 7 are provided on the circumferential outer wall of the base 1, and a plurality of air inlets 31 connected with the protective tube cover 10 are provided on the top of the air intake chamber 3. The air in the protective tube cover 10 is sucked in through the plurality of air intake ports 5 and filtered through the annular filter screen 6. The outer HEPA filter screen can isolate dust, and the absorbent cotton on the inside absorbs water vapor in the air. The purified air enters the protective tube cover 10 through the exhaust port 31, thereby improving safety.

[0034] Furthermore, an annular cover plate 8 is provided at the notch of the annular groove 7, and the annular cover plate 8 can be opened to replace the annular filter screen 6 inside.

[0035] An air guide ring 9 is sealingly and rotatably connected at the connection point between the air intake chamber 3 and the annular groove 7. The air guide ring 9 is located on the inner side of the annular filter screen 6. A plurality of radial air guide ports 25 are spaced apart on the circumference of the air guide ring 9. A driving assembly that can regularly drive the air guide ring 9 to rotate is installed in the base 1. The driving assembly includes an annular channel 4 arranged at the bottom of the air intake chamber 3. A gear ring 26 corresponding to the annular channel 4 is fixed to the bottom of the air guide ring 9. A second motor 28 is installed in the annular channel 4. A gear 27 is fixed to the output end of the second motor 28. The gear 27 is meshed with the gear ring 26. The second motor 28 is externally connected to a controller. The controller regularly starts the second motor 28, and drives the air guide ring 9 to rotate intermittently through the gear 27 and the gear ring 26, so that the plurality of air guide ports 25 are regularly corresponding to the plurality of partitions of the annular filter screen 6, and the annular filter screen 6 is used evenly to improve the purification effect.

[0036] In addition, a cleaning mechanism for cleaning and drying the annular filter 6 is installed in the protective tube cover 10, and the cleaning mechanism includes an exhaust assembly and an air guide assembly. The exhaust assembly is arranged in the protective tube cover 10, and the air guide assembly is arranged in the base 1. The heat dissipation cover 19 is in a raised state, and the hot air discharged from the heat dissipation port 21 is discharged to the outside through the raised multiple air outlets 20. When it is necessary to clean multiple partitions of the annular filter 6, it is only necessary to start the electric push rod 17 to drive the heat dissipation cover 19 to descend, so that the multiple air outlets 20 correspond one by one to the multiple exhaust channels 11.

[0037] Specifically, the exhaust assembly includes a plurality of exhaust channels 11 circumferentially distributed in the protective tube cover 10, and the plurality of exhaust channels 11 correspond one-to-one to the plurality of partitions of the annular filter 6. The bottom of the exhaust channel 11 is connected to the bottom of the protective tube cover 10, and the top of the exhaust channel 11 is connected to the heat dissipation port 21. A heat dissipation cover 19 that can be raised and lowered is fixedly installed in the heat dissipation port 21. The upper circumferential side wall of the heat dissipation cover 19 is provided with a plurality of air outlets 20. When the heat dissipation cover 19 rises, its lower half cover wall blocks the plurality of exhaust channels 11. When the heat dissipation cover 19 descends, the plurality of air outlets 20 are connected one-to-one to the plurality of exhaust channels 11. A rain shield 18 is fixed to the top of the protective tube cover 10, and an electric push rod 17 is installed on the inner top of the rain shield 18. The telescopic end of the electric push rod 17 is fixedly connected to the top of the heat dissipation cover 19.

[0038] The air guide component includes a plurality of connecting ports circumferentially arranged at the top of the air intake chamber 3, and the plurality of connecting ports correspond to the bottoms of the plurality of exhaust channels 11 in a pair. An L-shaped back-blowing port 30 is provided between the plurality of adjacent air guide ports 25 on the air guide ring 9. The top of the L-shaped back-blowing port 30 is adapted to the connecting port, and the bottom of the L-shaped back-blowing port 30 corresponds to the annular filter 6. The hot air in the heat dissipation port 21 enters the plurality of exhaust channels 11. The air guide ring 9 rotates intermittently so that the plurality of L-shaped back-blowing ports 30 are intermittently connected with the plurality of connecting ports. The hot air is blown toward the inner side of the annular filter 6 through the connected exhaust channels 11, the connecting ports and the L-shaped back-blowing port 30. The hot air first dries the absorbent cotton, and then blows the dust on the HEPA filter back out of the air intake port 5, thereby realizing the self-cleaning of the annular filter 6.

[0039] The junction box is in a circular columnar shape, and a plurality of welding plate slots 13 and a plurality of splitter slots 14 are reasonably distributed circumferentially, which can reduce the floor space. By starting the hydraulic cylinder 2, the protective cylinder cover 10 can be lifted and opened, which is convenient to use.

[0040] In the working state, the cooling fan 22 is started to suck the air in the cylinder cover. The gas flows through multiple welding plate slots 13 and multiple splitter slots 14, taking away the heat in the slots, and collecting it in the heat dissipation cylinder 15 through the heat exhaust port 16, and finally discharged through the heat dissipation port 21, so as to achieve centralized heat dissipation and improve the heat dissipation effect. The air in the protective cylinder cover 10 is sucked in through multiple air inlets 5, filtered through the annular filter 6, the outer HEPA filter can isolate dust, and the absorbent cotton on the inside absorbs water vapor in the air. The purified air enters the protective cylinder cover 10 through the exhaust port 31 to improve safety. The controller starts the second motor 28 at a fixed time, and drives the air guide ring 9 to rotate intermittently through the gear 27 and the gear ring 26, so that the multiple air guide ports 25 correspond to the multiple partitions of the annular filter 6 at a fixed time, and the annular filter 6 is used evenly to improve the purification effect.

[0041] The heat dissipation hood 19 is in a raised state, and the hot air discharged from the heat dissipation port 21 is discharged to the outside through the raised multiple air outlets 20. When it is necessary to clean multiple partitions of the annular filter 6, it is only necessary to start the electric push rod 17 to drive the heat dissipation hood 19 to descend, so that the multiple air outlets 20 correspond to the multiple exhaust channels 11 one by one, and the hot air in the heat dissipation port 21 enters the multiple exhaust channels 11. The air guide ring 9 rotates intermittently, so that the multiple L-shaped back-blowing ports 30 are intermittently connected with the multiple connecting ports, and the hot air is blown toward the inner side of the annular filter 6 through the connected exhaust channels 11, the connecting ports and the L-shaped back-blowing ports 30. The hot air first dries the absorbent cotton, and then blows the dust on the HEPA filter out of the air intake port 5, thereby realizing the self-cleaning of the annular filter 6.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safe optical cable junction box, comprising a base (1), characterized in that: A heat dissipation tube (15) is rotatably connected to the top of the base (1), and a mounting column (12) is fixedly sleeved on the heat dissipation tube (15). The circumferential side wall of the mounting column (12) is provided with a plurality of welding plate grooves (13) from top to bottom, and is also provided with a plurality of splitter grooves (14). The inner sides of the welding plate grooves (13) and the splitter grooves (14) are both connected to the heat dissipation tube (15) through a heat exhaust port (16). The outer cover of the mounting column (12) is provided with a protective tube cover (10) that can be raised and lowered, and the top of the protective tube cover (10) is provided with A heat dissipation port (21) is connected to the heat dissipation tube (15), a heat dissipation fan (22) is installed in the heat dissipation port (21), an air intake chamber (3) connected to the heat dissipation tube (15) is provided in the base (1), an annular groove (7) is provided on the circumferential cavity wall of the air intake chamber (3), an annular filter (6) is inserted in the annular groove (7), a plurality of air intake ports (5) connected to the annular groove (7) are provided on the circumferential outer wall of the base (1), and a plurality of air inlets (31) connected to the protective tube cover (10) are provided on the top of the air intake chamber (3).

2. A safe optical cable junction box according to claim 1, characterized in that: A hydraulic cylinder (2) is vertically fixedly installed on the inner bottom of the air suction chamber (2); the hydraulic cylinder (2) passes through the heat dissipation cylinder (15), and the telescopic end is fixedly connected to the protective cylinder cover (10).

3. A safe optical cable junction box according to claim 2, characterized in that: A first motor (23) is installed in the telescopic end of the hydraulic cylinder (2), and the first motor (23) drives the cooling fan (22).

4. A safe optical cable junction box according to claim 1, characterized in that: The annular filter (6) is divided into a plurality of partitions (29) in the circumferential direction. The annular filter (6) is a combination filter of a HEPA filter and a water-absorbing cotton. The HEPA filter is located on the outside and the water-absorbing cotton is located on the inside. An annular cover plate (8) is provided at the notch of the annular groove (7).

5. A safe optical cable junction box according to claim 1, characterized in that: An air guide ring (9) is sealingly and rotatably connected to the connection point between the air suction cavity (3) and the annular groove (7); the air guide ring (9) is located inside the annular filter screen (6); a plurality of radial air guide ports (25) are spaced apart on the circumference of the air guide ring (9); and a driving component capable of driving the air guide ring (9) to rotate at a fixed time is installed in the base (1).

6. A safe optical cable junction box according to claim 5, characterized in that: The driving assembly comprises an annular channel (4) arranged at the bottom of the air suction chamber (3); a gear ring (26) corresponding to the annular channel (4) is fixed at the bottom of the air guide ring (9); a second motor (28) is installed in the annular channel (4); a gear (27) is fixed at the output end of the second motor (28); the gear (27) is meshed with the gear ring (26); and the second motor (28) is externally connected to a controller.

7. A safe optical cable junction box according to claim 1, characterized in that: A cleaning mechanism for cleaning and drying the annular filter (6) is installed in the protective tube cover (10), and the cleaning mechanism comprises an exhaust component and an air guide component, the exhaust component is arranged in the protective tube cover (10), and the air guide component is arranged in the base (1).

8. A safe optical cable junction box according to claim 7, characterized in that: The exhaust assembly comprises a plurality of exhaust channels (11) circumferentially distributed in the protective tube cover (10), the plurality of exhaust channels (11) corresponding one-to-one to the plurality of partitions of the annular filter (6), the bottom of the exhaust channel (11) communicating with the bottom of the protective tube cover (10), the top of the exhaust channel (11) communicating with the heat dissipation port (21), a heat dissipation cover (19) being fixedly installed in the heat dissipation port (21) and being able to be raised and lowered, a plurality of air outlets (20) being arranged on the upper circumferential side wall of the heat dissipation cover (19), the heat dissipation cover (19) ascending and its lower half cover wall blocking the plurality of exhaust channels (11), the heat dissipation cover (19) descending and the plurality of air outlets (20) corresponding one-to-one to the plurality of exhaust channels (11), a rain shield (18) being fixedly installed on the top of the protective tube cover (10), an electric push rod (17) being installed on the inner top of the rain shield (18), the telescopic end of the electric push rod (17) being fixedly connected to the top of the heat dissipation cover (19).

9. A safe optical cable junction box according to claim 8, characterized in that: The air guide assembly comprises a plurality of connecting ports circumferentially arranged at the top of the air suction chamber (3), the plurality of connecting ports corresponding to the bottoms of the plurality of exhaust channels (11) in a pair, the air guide ring (9) is provided with L-shaped back-blowing ports (30) between the plurality of adjacent air guide ports (25), the top of the L-shaped back-blowing port (30) is adapted to fit the connecting port, and the bottom of the L-shaped back-blowing port (30) corresponds to the annular filter (6).

10. A safe optical cable junction box according to claim 1, characterized in that: A sealing gasket (24) is installed at the bottom cover opening of the protective tube cover (10).

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