Digital optical fiber repeater

Abstract

The utility model discloses a digital optical fiber repeater, which comprises a lower shell and an upper shell movably connected to the upper end of the lower shell, a group of supporting legs used for supporting are integrally formed at the lower end of the lower shell, a guide groove communicated with an inner cavity of the lower shell is arranged in a supporting piece, and the guide groove is communicated with the inner cavity of the lower shell. A plurality of heat dissipation holes communicated with the guide grooves are formed in the outer walls of the corresponding sides of the supporting legs, a module box, a heat conduction plate and a fixing plate are sequentially connected into the lower shell from top to bottom, a plurality of heat dissipation fins are fixedly connected to the lower end of the heat conduction plate, and the lower ends of the heat dissipation fins make contact with the fixing plate. A fixing groove is formed in the middle of the fixing plate in a penetrating mode, and a cooling fan unit is fixedly installed in the fixing groove. According to the utility model, the problems that a large amount of heat can be dissipated when a high-power optical fiber repeater is used, and the heat dissipation efficiency is relatively low, internal equipment is easy to damage and the service life is shortened due to the fact that most of the existing optical fiber repeaters are naturally dissipated through a shell are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to communication equipment technical field especially relates to a digital optical fiber repeater. BACKGROUND

[0002] The optical fiber repeater is a repeater for signal transmission by means of optical fiber, utilizes the characteristics of small transmission loss and convenient wiring of optical fiber, and is suitable for long-distance transmission, so that the signal coverage of villages, tourist areas, highways and the like where base station signals cannot be received and large and super-large buildings can be solved, is used in large high-rise regional buildings (groups), communities and the like occasions with high requirements, the digital optical fiber repeater directly couples the downlink radio frequency signals of GSM, NB-IoT, FDD-LTE and TD-LTE signal sources into the near-end machine of the digital optical fiber repeater, is converted into digital signals after low-noise amplification, is digitally processed, is converted into radio frequency signals again, and wireless coverage of signals is realized after power amplification; meanwhile, user signals enter the far-end machine of the digital optical fiber repeater in a wireless receiving mode, are converted from digital to analog, are digitally processed, are power amplified, and are transmitted back to the signal source in a direct coupling mode.

[0003] However, the prior art has some problems: when the high-power optical fiber repeater is used, a large amount of heat is radiated, the existing optical fiber repeater is mostly naturally cooled through the shell, the cooling efficiency is low, the internal equipment is prone to damage, and the service life is reduced, therefore we provide a digital optical fiber repeater. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems in the above-mentioned technology, the utility model provides a digital optical fiber repeater, solves the problems that when the high-power optical fiber repeater is used, a large amount of heat is radiated, the existing optical fiber repeater is mostly naturally cooled through the shell, the cooling efficiency is low, the internal equipment is prone to damage, and the service life is reduced.

[0005] The utility model is such a realization, a digital optical fiber repeater, including lower shell and the upper shell that is movably connected in the upper end of lower shell, the lower shell lower end is integrally formed with a group of support feet for supporting, the support piece inside is equipped with with the lower shell inner chamber intercommunication's guide groove, the support foot corresponding's one side outer wall is equipped with a plurality of with the guide groove intercommunication's heat dissipation hole, the lower shell inside is connected with module box, heat conduction plate and fixed plate from top to bottom in proper order, the heat conduction plate lower end is fixedly connected with a plurality of heat dissipation fins, the heat dissipation fin lower end and fixed plate contact, the fixed plate middle part is equipped with fixed groove, and the fixed groove is fixedly installed with heat dissipation fan set.

[0006] As the utility model is preferred, the upper end of the fixed plate is provided with an upper arc-shaped groove, and the lower end of the fixed plate is provided with a lower arc-shaped groove.

[0007] As the utility model is preferred, the inner wall of the guide groove is fixedly connected with a guide plate, the guide plate is arranged in a forty-five degree angle downwardly, and the downwardly inclined end of the guide plate is close to the heat dissipation hole.

[0008] As the utility model is preferred, the bottom of the lower shell is provided with a group of limiting grooves and a mounting groove penetratingly arranged, the limiting grooves are located on the left and right sides of the mounting groove and are interconnected, and the air guiding device is fixedly installed inside the mounting groove.

[0009] As the utility model is preferred, the air guiding device comprises a mounting seat and an air guiding cylinder fixedly connected to the upper end of the mounting seat, the motor is fixedly installed inside the air guiding cylinder symmetrically, the fan blade is fixedly installed on the cylinder port end close to the air guiding cylinder, the outward walls on the left and right sides of the mounting seat are both provided with inwardly recessed stretching grooves, two buffer grooves are arranged on the inner wall of the mounting seat, the buffer grooves are located in the middle part of the stretching grooves and are interconnected, the diameter of the buffer groove is larger than that of the stretching groove, the bottom of the mounting seat is provided with an inwardly recessed connecting groove, the upper end of the connecting groove is interconnected with the stretching groove, a limiting mechanism is movably connected inside the stretching groove, one end of the limiting mechanism extends out of the stretching groove and extends to the inside of the limiting groove, and the mounting seat is fixedly installed in the mounting groove through the limiting mechanism.

[0010] As the utility model is preferred, the outward edges on the left and right sides of the bottom of the mounting seat are integrally formed with limiting blocks, the limiting blocks are arranged in a T shape with the cross section of the mounting seat, and the limiting blocks are in contact with the bottom of the lower shell.

[0011] As the utility model is preferred, the limiting mechanism comprises a stretching shaft arranged inside the stretching groove, the stretching shaft is fixedly connected with a movable block on the outer wall of the buffer groove, the movable block extends to the inside of the buffer groove, a spring is arranged on the outer wall of the movable block, the spring is sleeved on the outer wall of the stretching shaft, the two ends of the spring are respectively connected with the movable block and the inner wall of the buffer groove, a connecting shaft extending into the connecting groove is connected to the lower end of the stretching shaft, and a pulling block is connected to the end of the connecting shaft extending out of the connecting groove.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1、 the utility model discloses a heat conduction plate is with module operation process The heat generated by the fin is guided to the fixed plate, the heat is guided to the lower end of the fixed plate by the start of the heat dissipation fan group installed in the fixed plate, and the hot air is guided to the inside of the guide groove on the left and right sides through the air guiding device, so that the hot air is discharged from the lower shell, the internal temperature is prevented from being too high, and the equipment is prevented from being damaged.

[0014] 2, the utility model discloses the fixed mounting seat installs the inside of mounting groove, make the air duct be located the inside of lower shell, and be located the lower end of radiating fan set, start motor, and the motor drives the rotation of fan blade, and the rotation of fan blade produces wind power, improve the radiating effect, and it is convenient for the steam to be oriented to the inside of guide groove, improve radiating efficiency;

[0015] 3, the utility model discloses through moving pull block, and pull block drives stretching shaft to move through connecting shaft, and stretching shaft moves to the inside of stretching groove under stress, and drive movable block to compress spring to the inside of buffer groove, make stretching shaft be located the inside of stretching groove, and it is convenient for mounting seat to extend into the inside of mounting groove, and utilize the location block and lower shell outer wall contact and limit, and loosen pull block, and drive stretching shaft reset through spring rebound, and stretching shaft extends into the inside of limiting groove, realize the location fixing of mounting seat in the inside of mounting groove, and it is convenient for the dismounting of air guide device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram provided by the utility model embodiment;

[0017] Figure 2 It is the cross section schematic diagram provided by the utility model embodiment;

[0018] Figure 3 It is the cross section schematic diagram of lower shell and upper shell provided by the utility model embodiment;

[0019] Figure 4 It is the cross section schematic diagram of air guide device provided by the utility model embodiment;

[0020] Figure 5 It is the side view schematic diagram of air duct provided by the utility model embodiment;

[0021] Figure 6 It is the overhead schematic diagram of fixed plate provided by the utility model embodiment.

[0022] In the drawing: 1, lower shell;11, module box;12, support foot;13, mounting groove;14, limiting groove;121, radiating hole;122, guide groove;123, guide plate;2, upper shell;3, heat conduction plate;31, radiating fin;4, fixed plate;41, upper arc slot;42, lower arc slot;43, fixed slot;44, radiating fan set;5, air guide device;51, air duct;52, mounting seat;53, limiting mechanism;54, buffer groove;55, stretching groove;56, connecting groove;57, limiting block;511, motor;512, fan blade;531, stretching shaft;532, movable block;533, spring;534, connecting shaft;535, pull block. DETAILED DESCRIPTION

[0023] In order to further understand the utility model content, characteristics and effects of the utility model, the following examples are cited, and the drawings are described in detail as follows.

[0024] The structure of the utility model is described in detail below with reference to the drawings.

[0025] Example 1

[0026] As Figure 1 shown, the utility model embodiment provides a kind of digital optical fiber repeater, including lower shell 1, and the upper shell 2 of the movable connection in lower shell 1 upper end, the lower end of the lower shell 1 is integrally formed with a group of support feet 12 for supporting, the support piece inside is equipped with the guide groove 122 with the inner cavity of lower shell 1 intercommunication, the side outer wall of the support foot 12 corresponding is equipped with a plurality of heat dissipation holes 121 with the intercommunication of guide groove 122, the inside of the lower shell 1 is sequentially connected with module box 11, heat conduction plate 3 and fixed plate 4 from top to bottom, the lower end of the heat conduction plate 3 is fixedly connected with a plurality of radiating fins 31, the lower end of the radiating fin 31 is in contact with fixed plate 4, the middle part of the fixed plate 4 is equipped with fixed groove 43, and the heat dissipation fan group 44 is fixedly installed in the inside of fixed groove 43;The heat generated in the module running process is introduced into fixed plate 4 by heat conduction plate 3 using radiating fin 31, and the heat dissipation fan group 44 installed in fixed plate 4 is started, the heat is introduced into the lower end of fixed plate 4, and the hot air is guided into the inside of guide groove 122 on both sides by air guide device 5, so that the hot steam is discharged from lower shell 1, to avoid the damage of equipment caused by high internal temperature.

[0027] As Figure 2 and Figure 6 shown, the upper end of the fixed plate 4 is provided with upper arc groove 41, and the lower end of the fixed plate 4 is provided with lower arc groove 42;Upper arc groove 41 is convenient for guiding the hot steam conveyed by radiating fin 31 into the inside of fixed groove 43, and introducing into the inside of guide groove 122 by heat dissipation fan group 44.

[0028] As Figure 3 shown, the inner wall of the guide groove 122 is fixedly connected with guide plate 123, the guide plate 123 is arranged in a forty-five degree angle downwardly inclined, and the downwardly inclined end of the guide plate 123 is close to the heat dissipation hole 121;When hot steam enters the inside of guide groove 122, the guide plate 123 is arranged to guide the hot steam into the inside of heat dissipation hole 121, and the hot steam is discharged to the outside of shell, and the guide plate 123 can also avoid the moisture from entering the inside of shell.

[0029] As Figure 3As shown, the bottom of the lower shell 1 is provided with a set of limiting grooves 14 and a mounting groove 13, the limiting grooves 14 are located on the left and right sides of the mounting groove 13 and intercommunicate, the mounting groove 13 is fixedly installed with the air guide device 5 inside; the mounting groove 13 is used for connecting the air guide device 5, and the limiting groove 14 is used for limiting the air guide shaft.

[0030] As shown in the figure, Figure 4 to Figure 5 The air guide device 5 includes a mounting seat 52 and an air guide cylinder 51 fixedly connected to the upper end of the mounting seat 52, the air guide cylinder 51 is fixedly installed with a motor 511 inside, the motor 511 is fixedly installed with a fan blade 512 near the cylinder opening end of the air guide cylinder 51, the left and right outer walls of the mounting seat 52 are each provided with an inwardly recessed stretching groove 55, the inner wall of the mounting seat 52 is provided with two buffer grooves 54, the buffer grooves 54 are located in the middle of the stretching grooves 55 and intercommunicate, the diameter of the buffer grooves 54 is greater than that of the stretching grooves 55, the bottom of the mounting seat 52 is provided with an inwardly recessed connecting groove 56, the upper end of the connecting groove 56 intercommunicates with the stretching groove 55, the limiting mechanism 53 is movably connected inside the stretching groove 55, one end of the limiting mechanism 53 extends out of the stretching groove 55 to the inside of the limiting groove 14, and the mounting seat 52 is fixedly installed in the mounting groove 13 through the limiting mechanism 53; the mounting seat 52 is fixedly installed in the mounting groove 13, so that the air guide cylinder 51 is located inside the lower shell 1 and at the lower end of the heat dissipation fan group 44, the motor 511 is started, the motor 511 drives the fan blade 512 to rotate, the fan blade 512 rotates to generate wind power, improves the heat dissipation effect, and facilitates the hot steam to be guided into the guide groove 122, and improves the heat dissipation efficiency.

[0031] As shown in the figure, Figure 4 to Figure 5As shown, the mounting seat 52 bottom left and right sides of the outer edge of the body is integrally formed with a limit block 57, the limit block 57 and mounting seat 52 cross section is T-shaped arrangement, the limit block 57 and the bottom of the lower shell 1 contact; the limit mechanism 53 includes a stretch slot 55 inside the stretch shaft 531, the stretch shaft 531 is located in the outer wall of the buffer groove 54 fixedly connected with the movable block 532, the movable block 532 extends to the buffer groove 54 inside, the movable block 532 outer wall is equipped with spring 533, the spring 533 is set on the stretch shaft 531 outer wall, the spring 533 both ends are connected with the movable block 532 and the buffer groove 54 inner wall, the stretch shaft 531 lower end is connected with the connecting shaft 534 extending into the inside of the connecting groove 56, the connecting shaft 534 outside the connecting groove 56 one end connected with the pull block 535; by moving the pull block 535, the pull block 535 through the connecting shaft 534 stretch shaft 531 move, stretch shaft 531 force box stretch slot 55 inside the movement, drive movable block 532 to compress the spring 533 to the buffer groove 54 inside, so that the stretch shaft 531 is located in the stretch slot 55 inside, convenient for mounting seat 52 into the installation groove 13 inside, with limit block 57 and the outer wall of the lower shell 1 contact for limiting, loosen the pull block 535, through the spring 533 rebound, drive stretch shaft 531 reset, stretch shaft 531 into the limit groove 14 inside, realize the mounting seat 52 limit fixed in the installation groove 13 inside, convenient for the air guide device 5 dismounting installation.

[0032] The working principle of example 1:

[0033] In use, first pull the pull block 535, the pull block 535 moves the stretching shaft 531 through the connecting shaft 534, the stretching shaft 531 is forced to move to the inside of the stretching groove 55, the movable block 532 is compressed to the inside of the buffer groove 54, so that the stretching shaft 531 is located in the inside of the stretching groove 55, the mounting seat 52 extends into the mounting groove 13, the limiting block 57 is in contact with the outer wall of the lower shell 1 to limit, loosen the pull block 535, the spring 533 is rebounded, the stretching shaft 531 is reset, the stretching shaft 531 extends into the limiting groove 14, the mounting seat 52 is limited and fixed in the mounting groove 13, the hot gas generated during the module operation is introduced into the fixed plate 4 through the heat dissipation fin 31, the heat dissipation fan set 44 installed in the fixed plate 4 is started, the heat is introduced into the lower end of the fixed plate 4, and the hot gas is introduced into the guide groove 122 on both sides through the air guide device 5, so that the hot steam is discharged from the lower shell 1, the temperature inside is prevented from being too high, and the equipment is prevented from being damaged; the optical fiber repeater is provided with 1310nm module and 1550nm module, and intelligent network module, so as to improve the utilization rate of optical fiber, and the full-aluminum alloy waterproof cabinet is convenient for outdoor installation, the intelligent network module is set, the near-end machine can be remotely connected with the computer through the Internet, the working state of the system equipment is inquired or set, and the near-end machine and the far-end machine can be connected with the PC monitoring program through the 232 serial port, the working state of the equipment is inquired and set, and the working state of the far-end machine can be inquired and set through the near-end PC monitoring software.

[0034] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A digital optical fiber repeater comprising a lower casing (1) and an upper casing (2) movably connected to the upper end of the lower casing (1), characterized in that: The lower shell (1) is integrally formed with a group of supporting feet (12) at the lower end for support, the supporting feet (12) are provided with guide grooves (122) in communication with the inner cavity of the lower shell (1), the outer wall of the corresponding side of the supporting feet (12) is provided with a plurality of heat dissipation holes (121) in communication with the guide grooves (122), the inner part of the lower shell (1) is sequentially connected from top to bottom with a module box (11), a heat conduction plate (3) and a fixed plate (4), the lower end of the heat conduction plate (3) is fixedly connected with a plurality of heat dissipation fins (31), the lower end of the heat dissipation fin (31) is in contact with the fixed plate (4), the middle part of the fixed plate (4) is provided with a fixed groove (43) penetrating through, and the fixed groove (43) is fixedly installed with a heat dissipation fan group (44) inside.

2. A digital optical fiber repeater as claimed in claim 1, characterized in that: The upper end of the fixed plate (4) is provided with an upper arc-shaped groove (41), and the lower end of the fixed plate (4) is provided with a lower arc-shaped groove (42).

3. A digital fiber repeater as claimed in claim 1, characterized in that: The inner wall of the guide groove (122) is fixedly connected with a guide plate (123), the guide plate (123) is arranged at an angle of forty-five degrees downwardly inclined, and the downwardly inclined end of the guide plate (123) is close to the heat dissipation hole (121).

4. A digital optical fiber repeater as claimed in claim 1, characterized in that: The bottom of the lower shell (1) is provided with a group of limiting grooves (14) and a mounting groove (13) penetrating through, the limiting grooves (14) are located on the left and right sides of the mounting groove (13) and are in communication, and the mounting groove (13) is fixedly installed with a wind guide device (5) inside.

5. A digital optical fiber repeater as claimed in claim 4, characterized in that: The wind guide device (5) comprises a mounting seat (52) and a wind guide cylinder (51) fixedly connected to the upper end of the mounting seat (52), the wind guide cylinder (51) is fixedly installed with a motor (511) inside, the motor (511) is fixedly installed with a fan blade (512) close to the cylinder port end of the wind guide cylinder (51), the left and right outer walls of the mounting seat (52) are provided with inwardly recessed stretching grooves (55), the inner wall of the mounting seat (52) is provided with two buffer grooves (54), the buffer grooves (54) are located in the middle part of the stretching grooves (55) and are in communication, the diameter of the buffer groove (54) is greater than the diameter of the stretching groove (55), the bottom of the mounting seat (52) is provided with an inwardly recessed connecting groove (56), the upper end of the connecting groove (56) is in communication with the stretching groove (55), the stretching groove (55) is movably connected with a limiting mechanism (53) inside, one end of the limiting mechanism (53) extends out of the stretching groove (55) and extends into the limiting groove (14) inside, and the mounting seat (52) is fixedly installed in the mounting groove (13) through the limiting mechanism (53).

6. A digital optical fiber repeater as claimed in claim 5, characterized in that: The bottom left and right outer edges of the mounting seat (52) are integrally formed with limiting blocks (57), the limiting blocks (57) and the mounting seat (52) are arranged in T shape in cross section, and the limiting blocks (57) are in contact with the bottom of the lower shell (1).

7. A digital optical fiber repeater as claimed in claim 6, characterized in that: Said limiting mechanism (53) includes the setting in the tensile slot (55) inside the tensile shaft (531), the tensile shaft (531) is located the outer wall fixed connection of buffer tank (54) has movable block (532), movable block (532) extends to buffer tank (54) inside, movable block (532) outer wall is equipped with spring (533), spring (533) cover sets up on the outer wall of tensile shaft (531), spring (533) both ends are connected with movable block (532) and buffer tank (54) inner wall respectively, the lower end of tensile shaft (531) is connected with the connecting shaft (534) that extends into the inside of connecting slot (56), the connecting shaft (534) one end that extends outside connecting slot (56) is connected with the pull block (535).

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