Quick-release ONU (Optical Network Unit) equipment in PON (Passive Optical Network) system

Abstract

The utility model relates to the technical field of ONU (Optical Network Unit) equipment, and discloses quick-release ONU equipment in a PON (Passive Optical Network) system, which comprises a box body, an opening of the box body is connected with a mounting plate, two sides of the box body are provided with limiting assemblies for fixing the mounting plate, one side of the mounting plate is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a circuit board through a plurality of screws, and the top of the supporting plate is fixedly connected with the circuit board through a plurality of screws. Wiring grooves are formed in the supporting plate and located on the two sides of the circuit board. A U-shaped frame matched with the supporting plate is fixedly connected to the side, away from the opening, of the inner wall of the box body. According to the quick-release ONU equipment in the PON system, after the supporting plate provided with the circuit board is mounted in the box body, the supporting plate is fixed in the box body through the limiting assembly, so that the equipment is relatively high in operation stability, and after the limiting assembly is removed, the supporting plate can be pushed out by a certain distance through the pop-up assembly arranged in the U-shaped frame, so that the equipment is convenient to use. And then the supporting plate can be pulled out from the interior of the box body more easily, so that a worker can conveniently overhaul the interior of the ONU equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to ONU equipment technical field, specifically fast detachable ONU equipment in PON system. BACKGROUND

[0002] Optical network unit (ONU) belongs to the user side equipment of access end, and ONU equipment and optical modem are the components of PON system, mainly used for providing telephone, data communication, image and various UNI interfaces for users, realizing the conversion of optical fiber optical signal into electrical signal. Usually, the communication interface of ONU equipment is opened on the front of panel, that is, the front area of panel, to realize the external connection of optical fiber, network cable, optical cable and the like. However, with the diversification development of optical fiber arrangement form, more and more optical fibers begin to be arranged in the wall, which also effectively avoids the damage of optical fiber caused by external environment when the optical fiber is exposed, improves the service life of optical fiber, and at the same time, meets the beauty of wiring, however, the existing wall-mounted ONU equipment only relies on the self-opening hole in the wall to passively dissipate heat, and the heat dissipation amount is small, and the heat dissipation is not smooth, so that the wall-mounted ONU equipment often causes problems of fast aging, short service life and high failure rate under high temperature conditions.

[0003] In the prior art, as disclosed in the announcement No. CN217522840U, a wall-mounted ONU equipment is provided, which discloses a wall-mounted ONU equipment, comprising a bottom box, a circuit board, an upper cover and a panel; the length, width and height of the bottom box are 86mm, 86mm and 50mm respectively, the bottom box is fixed with a cooling fan at the bottom, and the front end of the bottom box is provided with fixed ends on both sides; the circuit board is located in the bottom box, the back of the circuit board is provided with a power supply interface, an input interface, a temperature control chip and a temperature detector, the other side of the circuit board is provided with an output interface, and the circuit board is fixed on the back of the upper cover by screws; the upper cover is located outside the circuit board, the upper cover is provided with strip-shaped ventilation holes at the top and the bottom, the two side walls of the upper cover are provided with buckles, the center of the upper cover is provided with an interface guard plate and an indicator light, and the front of the upper cover is provided with screw holes at both ends of the middle part; the panel is located outside the upper cover, and the panel is provided with dust screens corresponding to the ventilation holes at the top and the bottom.

[0004] However, the existing wall-mounted ONU equipment is prone to damage of parts due to high temperature in the wall, so it often needs to be repaired, and at present, the circuit board, wires and optical fibers are stacked in a closed box, and the box is buried in the wall, so when checking the circuit board or replacing parts, the entire ONU equipment needs to be disassembled, which consumes a lot of time, thereby causing the maintenance of ONU equipment to be more troublesome.

[0005] To solve the above problems, a fast detachable ONU equipment in PON system is provided in the present application. Content of the utility model

[0006] The utility model intends to provide a kind of quick detachable ONU equipment in PON system, it is mainly used to solve the circuit board, electric wire and optical fiber of existing wall type ONU equipment are accumulated in a closed box, bury the box in wall, when viewing circuit board or replacing parts, need to disassemble the entire ONU equipment, can consume a lot of time, to cause the problem that ONU equipment maintenance is more troublesome.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] Provide a kind of quick detachable ONU equipment in PON system, it includes box, the opening of box is connected with mounting plate, the both sides of box are provided with the limiting component for fixed mounting plate, the one side of mounting plate is fixedly connected with the supporting plate, the top of supporting plate is fixedly connected with circuit board by multiple screws, both sides of supporting plate are provided with wiring slot, the inner wall of box is fixedly connected with the U-shaped frame matched with supporting plate on the side away from the opening, the inside of U-shaped frame is provided with the ejector assembly for the convenience of disassembling supporting plate.

[0009] The working principle and beneficial effects of the utility model:

[0010] 1, working principle: when installing ONU equipment, (in the process of construction, box is buried in wall in advance, power cord and optical fiber joint are connected into bottom box through the wire hole in the bottom of bottom box, output interface is opposite to interface guard plate, heat dissipation fan is connected with temperature control chip, optical fiber joint is connected with input interface, power cord is connected into power interface), in the bracket, it is prior art, and it is not described in detail in the present application file, after circuit board is fixed on supporting plate by multiple screws, supporting plate is inserted into box interior, after supporting plate completely enters box interior, mounting plate is fixed by limiting component, i.e. supporting plate can be fixed in box interior, the equipment can operate normally, after releasing limiting component, supporting plate moves outward a distance under the action of ejector assembly in U-shaped frame, then supporting plate can be easily pulled out from box interior, to facilitate staff to overhaul circuit board.

[0011] 2, beneficial effect is: after supporting plate, where circuit board is installed, is installed to box interior, supporting plate is fixed in box interior by limiting component, can make that the stability of the equipment is higher when operating, after releasing limiting component, supporting plate can be pushed out a distance by the ejector assembly arranged in U-shaped frame, then supporting plate can be more easily pulled out from box interior, to facilitate staff to overhaul the interior of ONU equipment, and can save the time of overhaul, it is very convenient.

[0012] Preferably, the limiting assembly comprises a receiving cavity formed on both sides of the inner wall of the box, a wedge-shaped block is slidably connected inside the receiving cavity, one side of the wedge-shaped block extends out of the receiving cavity, the other side is fixedly connected with a sliding rod, the other end of the sliding rod extends out of the box and is fixedly connected with a pull block, the sliding rod is slidably connected with the box, a first spring is sleeved outside the sliding rod, one end of the first spring is fixedly connected with the pull block, the other end is fixedly connected with the box, and a limiting groove matched with the wedge-shaped block is formed on both sides of the mounting plate.

[0013] When the mounting plate is installed, the inclined surface of the wedge-shaped block is pressed to slide into the receiving cavity, when the mounting plate is completely installed in the box, the sliding rod drives the wedge-shaped block to move into the limiting groove under the action of the first spring, and the mounting plate is fixed in the box after the wedge-shaped block enters the limiting groove. Pulling the pull block can move the wedge-shaped block into the receiving cavity, and when the wedge-shaped block is separated from the limiting groove, the mounting plate will move outward a distance under the action of the ejecting assembly in the U-shaped frame, and then the mounting plate is pulled out for disassembly. This not only makes the stability of the mounting plate after installation higher, but also makes the disassembly of the mounting plate more convenient, thereby facilitating the maintenance of the ONU device.

[0014] Preferably, the ejecting assembly comprises a second spring fixedly connected to one side of the inner wall of the U-shaped frame away from the opening, the number of the second spring is multiple, and the second spring is linearly arrayed and equally spaced in the interior of the U-shaped frame, and the other end of the second spring is fixedly connected with a push plate, and the push plate is slidably connected with the inner wall of the U-shaped frame.

[0015] When the mounting plate is installed into the box, the mounting plate will press the push plate to move inward, and at the same time, the second spring will be pressed and be in a compressed state. After the limiting assembly is released, the push plate can eject the mounting plate a distance under the action of the second spring, and then the mounting plate can be quickly disassembled by pulling it. This makes the disassembly of the mounting plate more convenient.

[0016] Preferably, the inner wall of the box is fixedly connected with a support block on both sides for supporting the mounting plate. By arranging the support blocks on both sides of the inner wall of the box, the support blocks can provide better support for the mounting plate after installation, thereby making the mounting plate more stable after installation.

[0017] Preferably, a plurality of ventilation holes are formed in the mounting plate, and the ventilation holes are linearly arrayed and equally spaced on the mounting plate, and a filter screen is fixedly connected to the inner wall of each ventilation hole. By arranging a plurality of ventilation holes in the mounting plate, the device can be effectively cooled, and by arranging a filter screen in the inner wall of the ventilation hole, a better dustproof effect can be achieved, thereby effectively preventing dust from entering the box through the ventilation hole.

[0018] Preferably, the top of the support block is rotationally connected with a plurality of balls, and the balls are linearly and equidistantly distributed on the support block, and during disassembly and assembly of the supporting plate, the bottom of the supporting plate is always in abutment with the top of the support block, and the plurality of balls arranged on the top of the support block can effectively reduce the friction between the supporting plate and the support block, so that the worker can disassemble and assemble the supporting plate more easily and labor-savingly.

[0019] Preferably, the side of the mounting plate away from the supporting plate is fixedly connected with a handle, and the outer wall of the handle is sleeved with an anti-skid sleeve, and through the handle arranged on one side of the mounting plate, pulling the handle can make the disassembly and assembly of the mounting plate and the supporting plate more convenient, and through the anti-skid sleeve sleeved on the outer wall of the handle, the friction between the hands of the worker and the handle can be increased, so that the hands of the worker are effectively prevented from slipping when pulling the handle. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall top view structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the overall structure of the box of the utility model;

[0023] Figure 4 It is a schematic diagram of the overall structure of the mounting plate and the supporting plate of the utility model;

[0024] Figure 5 It is a schematic diagram of the local enlarged section structure of the utility model;

[0025] Figure 6 It is a schematic diagram of the local enlarged section structure of the utility model Figure 2 A is an enlarged structure schematic diagram.

[0026] In the figure: 1, box; 2, mounting plate; 3, supporting plate; 4, circuit board; 5, wiring slot; 6, U-shaped frame; 7, containing cavity; 8, wedge block; 9, sliding rod; 10, pull block; 11, first spring; 12, limiting groove; 13, second spring; 14, push plate; 15, support block; 16, ventilation hole; 17, filter screen; 18, ball; 19, handle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-6 The scheme provides a quick disassembly ONU device in a PON system, which comprises a box 1, an installation plate 2 connected at the opening of the box 1, a handle 19 fixedly connected to the side of the installation plate 2 away from the supporting plate 3, the installation plate 2 and the supporting plate 3 can be more conveniently disassembled by pulling the handle 19, and the outer wall of the handle 19 is sleeved with an anti-skid sleeve, the friction between the hands of the staff and the handle 19 can be increased by the anti-skid sleeve sleeved on the outer wall of the handle 19, so that the hands of people are effectively prevented from slipping when pulling the handle 19.

[0029] A plurality of ventilation holes 16 are formed on the installation plate 2, and the ventilation holes 16 are linearly and equidistantly distributed on the installation plate 2, the installation plate 2 is provided with a plurality of ventilation holes 16, and the device has a good heat dissipation effect. The inner walls of the ventilation holes 16 are fixedly connected with filter screens 17, and the filter screens 17 can have a good dustproof effect, so that the dust outside can be effectively prevented from entering the box 1.

[0030] The box 1 is provided with a limiting assembly for fixing the installation plate 2 on both sides, the installation plate 2 is fixedly connected with the supporting plate 3 on one side, the top of the supporting plate 3 is fixedly connected with the circuit board 4 through a plurality of screws, and the supporting plate 3 is provided with a wire slot 5 on both sides of the circuit board 4, the wire slot 5 on the supporting plate 3 can facilitate wiring, the circuit board 4 is fixed on the supporting plate 3 through a plurality of screws, then the supporting plate 3 is inserted into the box 1, the installation plate 2 is fixed by the limiting assembly after the supporting plate 3 completely enters the box 1, the supporting plate 3 is fixed in the box 1, and the device can normally work.

[0031] The inner walls of the box 1 are fixedly connected with supporting blocks 15 for supporting the supporting plate 3, the supporting blocks 15 can have a good supporting effect on the supporting plate 3 after the supporting plate 3 is installed, so that the stability of the supporting plate 3 after installation is higher. The top of the supporting block 15 is rotatably connected with a plurality of balls 18, and the balls 18 are linearly and equidistantly distributed on the supporting block 15. During disassembly and assembly of the supporting plate 3, the bottom of the supporting plate 3 is always in contact with the top of the supporting block 15, and the plurality of balls 18 provided on the top of the supporting block 15 can effectively reduce the friction between the supporting plate 3 and the supporting block 15, so that the staff can more easily and labor-savingly disassemble and assemble the supporting plate 3.

[0032] The inner wall of the box 1 is fixedly connected with a U-shaped frame 6 matched with the supporting plate 3 on the side away from the opening, the U-shaped frame 6 is provided with a pop-up assembly for conveniently disassembling the supporting plate 3, after the limiting assembly is released, the supporting plate 3 will move outward a distance under the action of the pop-up assembly in the U-shaped frame 6, then the supporting plate 3 can be easily pulled out from the box 1, so as to facilitate the staff to overhaul the circuit board 4.

[0033] As Figure 2 and Figure 6As shown, the limiting assembly comprises accommodating cavities 7 formed on both sides of the inner wall of the box body 1, a wedge-shaped block 8 is slidably connected inside the accommodating cavity 7, one side of the wedge-shaped block 8 extends out of the accommodating cavity 7, the other side is fixedly connected with a sliding rod 9, the other end of the sliding rod 9 extends out of the box body 1 and is fixedly connected with a pull block 10, and the sliding rod 9 is slidably connected with the box body 1, a first spring 11 is sleeved outside the sliding rod 9, one end of the first spring 11 is fixedly connected with the pull block 10, and the other end is fixedly connected with the box body 1, and the mounting plate 2 is provided with a limiting groove 12 matched with the wedge-shaped block 8 on both sides.

[0034] When the mounting plate 3 is installed, the inclined surface of the wedge-shaped block 8 is extruded and slides to the inside of the accommodating cavity 7, when the mounting plate 3 is completely in the inside of the box body 1, the sliding rod 9 drives the wedge-shaped block 8 to move to the inside of the limiting groove 12 under the action of the first spring 11, after the wedge-shaped block 8 enters the inside of the limiting groove 12, the mounting plate 3 can be fixed in the inside of the box body 1, pulling the pull block 10 can make the wedge-shaped block 8 move to the inside of the accommodating cavity 7 through the sliding rod 9, when the wedge-shaped block 8 is separated from the inside of the limiting groove 12, the mounting plate 3 will move outward for a distance under the action of the ejecting assembly in the U-shaped frame 6, then the mounting plate 3 is pulled to disassemble it, so that the stability of the mounting plate 3 after installation is higher, and the disassembly of the mounting plate 3 is more convenient, thereby facilitating the maintenance of the ONU equipment by the staff.

[0035] As shown in Figure 2 and Figure 5 The ejecting assembly comprises a second spring 13 fixedly connected to one side of the inner wall of the U-shaped frame 6 away from the opening, the number of the second spring 13 is multiple, and the second spring 13 is linearly arrayed and equally spaced in the inside of the U-shaped frame 6, the other end of the second spring 13 is fixedly connected with a push plate 14, and the push plate 14 is slidably connected with the inner wall of the U-shaped frame 6, when the mounting plate 3 is installed into the inside of the box body 1, the mounting plate 3 will extrude the push plate 14 to move inward, and extrude the second spring 13 to be in a compressed state, after the limiting assembly is released, the push plate 14 can eject the mounting plate 3 for a distance under the action of the second spring 13, then the mounting plate 3 is pulled to disassemble it quickly, so that the disassembly of the mounting plate 3 is more convenient.

[0036] From the above, the specific implementation manner of the utility model is as follows:

[0037] When installing the ONU device, (the box is buried in the wall in advance during the construction process, the power line and the optical fiber joint are connected into the bottom box through the wire hole at the bottom of the bottom box, the output interface is opposite to the interface guard plate, the heat dissipation fan is connected with the temperature control chip, the optical fiber joint is connected with the input interface, and the power line is connected into the power interface), the bracket in the bracket is not described in detail in the present application, after the circuit board 4 is fixed on the bracket 3 by a plurality of screws, the bracket 3 is inserted into the box 1, when installing the bracket 3, the inclined surface of the wedge-shaped block 8 is extruded and slides into the accommodating cavity 7, when the bracket 3 is completely inserted into the box 1, the slide rod 9 drives the wedge-shaped block 8 to move into the limiting groove 12 under the action of the first spring 11, after the wedge-shaped block 8 enters the limiting groove 12, the bracket 3 can be fixed in the box 1, and the device can normally work, pulling the pull block 10 can make the wedge-shaped block 8 move into the accommodating cavity 7 through the slide rod 9, when the wedge-shaped block 8 is separated from the limiting groove 12, the push plate 14 can push the bracket 3 out by a distance under the action of the second spring 13, then pulling the handle 19 can more easily pull the bracket 3 out of the box 1, so that the staff can conveniently overhaul the circuit board 4.

[0038] The above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A quick detachable ONU device in a PON system, comprising a box (1), characterized in that, The mounting plate (2) is connected at the opening of the box body (1), the box body (1) is provided with a limiting assembly for fixing the mounting plate (2) on both sides, one side of the mounting plate (2) is fixedly connected with the supporting plate (3), the top of the supporting plate (3) is fixedly connected with the circuit board (4) through a plurality of screws, the supporting plate (3) is provided with a wiring slot (5) on both sides of the circuit board (4), the inner wall of the box body (1) is fixedly connected with the U-shaped frame (6) matched with the supporting plate (3) away from the opening, and the U-shaped frame (6) is provided with a pop-out assembly for conveniently dismounting the supporting plate (3).

2. The quick detach ONU device in a PON system of claim 1, wherein: The limiting assembly comprises accommodating cavities (7) formed on both sides of the inner wall of the box body (1), the accommodating cavities (7) are slidably connected with wedge-shaped blocks (8), one side of the wedge-shaped block (8) extends out of the accommodating cavity (7), the other side is fixedly connected with a sliding rod (9), the other end of the sliding rod (9) extends out of the box body (1) and is fixedly connected with a pull block (10), and the sliding rod (9) is slidably connected with the box body (1), the outer surface of the sliding rod (9) is sleeved with a first spring (11), one end of the first spring (11) is fixedly connected with the pull block (10), the other end is fixedly connected with the box body (1), and the mounting plate (2) is provided with a limiting groove (12) matched with the wedge-shaped block (8) on both sides.

3. The quick detach ONU device in a PON system of claim 1, wherein: The pop-out assembly comprises a second spring (13) fixedly connected to the inner wall of the U-shaped frame (6) away from the opening, the number of the second spring (13) is multiple, and the second spring (13) is linearly and equidistantly arranged in the U-shaped frame (6), the other end of the second spring (13) is fixedly connected with a push plate (14), and the push plate (14) is slidably connected with the inner wall of the U-shaped frame (6).

4. The quick detach ONU device in a PON system of claim 1, wherein: The inner wall of the box body (1) is fixedly connected with a supporting block (15) for supporting the supporting plate (3).

5. The quick detach ONU device in a PON system of claim 1, wherein: A plurality of ventilation holes (16) are formed in the mounting plate (2), and the ventilation holes (16) are linearly and equidistantly arranged on the mounting plate (2), and the inner wall of the ventilation hole (16) is fixedly connected with a filter screen (17).

6. The quick detach ONU device in a PON system of claim 4, wherein: The top of the supporting block (15) is rotatably connected with a plurality of rolling balls (18), and the rolling balls (18) are linearly and equidistantly arranged on the supporting block (15).

7. The quick detach ONU device in a PON system of claim 1, wherein: The handle (19) is fixedly connected to the side of the mounting plate (2) away from the supporting plate (3), and the outer wall of the handle (19) is sleeved with an anti-skid sleeve.

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