CN210803791U

CN210803791U - ONU suitable for 86 end box

Info

Publication number: CN210803791U
Application number: CN201921075294.9U
Authority: CN
Inventors: 易山韬
Original assignee: Wuhan Yiwang Wanlian Technology Co ltd
Current assignee: Wuhan Yiwang Wanlian Technology Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-06-19
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a ONU suitable for 86 end box, including panel (1), epitheca (2) and drain pan (6), panel (1), epitheca (2) are connected with drain pan (6) detachably, form cavity (601) in it, have in this cavity (601) and be equipped with power supply circuit board (5) and device circuit board (4) outward in proper order, device circuit board (4) adopt bilayer structure design, including first circuit board (401) and second circuit board (402), the notch has been seted up on first circuit board (401), is equipped with communication interface (404) corresponding to this notch position on second circuit board (402), and this communication interface (404) are one of them or the multiple combination of giga network interface, telephone interface or hundred mega network interface. The utility model discloses a ONU, the size that reduces this ONU is 86mm standard architecture, is applicable to 86 end boxes, has guaranteed the whole miniaturization that submits of ONU, has realized FTTD, has improved convenience and the stability of using.

Description

ONU suitable for 86 end box

Technical Field

The utility model belongs to the technical field of fiber communication, more specifically relates to an ONU suitable for 86 end boxes.

Background

Fiber To The Desktop (FTTD) is To extend a network To a user terminal by using an optical Fiber instead of a conventional network cable (such as a 6-class cable), so that The user terminal realizes network access through The optical Fiber in The whole process. The FTTD access technology is a network technology that has emerged in recent years and has been widely used abroad. With the continuous decrease in the price of optical fibers and optical fiber access devices, FTTD is also becoming more widely used in China, such as hospitals, government buildings, commercial buildings, schools, hotels, etc.

An Optical Network Unit (ONU) belongs to a user side device at an access end, and is mainly used for providing various UNI interfaces such as a telephone, data communication, and an image for a user; the current ONU equipment mainly comprises an ONU chip, a BOSA (Bi-direction Optical Subassembly) bidirectional Optical transceiver module, a power module, a printed circuit board and a protective shell; the ONU chip, the optical module and the power module are packaged on a printed circuit board; one end of the BOSA is provided with a connector with a tail fiber, and the connector is fixed on a printed circuit board and is used for being butted with an optical fiber connector led out from an Optical Line Terminal (OLT); the other end of the BOSA is also connected with a PCB; the structure causes the volume of the whole ONU product to be large, occupies space and is inconvenient to install, the optical fiber disc is difficult to leave, a section of optical fiber is always exposed, and a series of problems of fiber breakage, signal conversion failure and the like caused by external acting force are extremely easy to receive.

SUMMERY OF THE UTILITY MODEL

To the above defect or the improvement demand of prior art, the utility model provides a ONU suitable for 86 end boxes, the panel is connected with drain pan detachably, form the cavity in it, have in and be equipped with power supply circuit board and device circuit board outward in proper order in this cavity, the device circuit board is preferably double-deck or multilayer structure, and inside embedding panel and the drain pan, thereby reduce this ONU's size, preferably 86mm standard architecture, be applicable to 86 end boxes, the whole miniaturization that submits of ONU has been guaranteed, FTTD has been realized, the convenience and the stability of use have been improved.

In order to achieve the above object, the present invention provides an ONU suitable for a back box, comprising a panel, an upper shell and a bottom shell, wherein the panel, the upper shell and the bottom shell are detachably connected, and a cavity is formed therein;

a power circuit board and a device circuit board are arranged in the cavity, one end of the power circuit board is connected with an external power supply, and the other end of the power circuit board is connected with the device circuit board to supply power to the device circuit board;

the device circuit board is of a double-layer structure and comprises a first circuit board and a second circuit board which are arranged in a stacked mode, the first circuit board and the second circuit board are connected in an inserted mode, a notch is formed in the first circuit board, and at least one communication interface is arranged on the second circuit board corresponding to the notch.

Further, the second circuit board is disposed closer to the bottom of the bottom case than the first circuit board, and the communication interface passes through the notch of the first circuit board to match the opening on the upper case.

Furthermore, the device circuit board comprises an optical transceiver module interface assembly which is arranged on the first circuit board or the second circuit board, and the optical transceiver module interface assembly is arranged in parallel with one side of the bottom case, so that optical fibers can be directly plugged with the optical transceiver module interface assembly through an optical fiber connector after the bottom case is reserved.

Further, the panel sink groove has been seted up at the panel center, the epitheca is equipped with the epitheca arch corresponding to panel sink groove department, the epitheca is protruding to panel sink groove cover is located on the epitheca arch, just the bellied top surface of epitheca and panel parallel and level.

Furthermore, the protruding one end of epitheca is equipped with the through-hole, and the size and the quantity of this through-hole and communication interface phase-match.

Furthermore, the upper shell is provided with an identification label in a protruding manner, and the identification label is a label capable of identifying information such as a two-dimensional code, a bar code, a radio frequency label or a three-dimensional code.

Furthermore, the power circuit board comprises a binding post and a wiring sink groove which is arranged on the bottom shell and corresponds to the binding post.

Furthermore, at least one side of the bottom shell is provided with a bottom box heat dissipation hole which is of a rectangular inverted circle, a rectangular or a waist circle structure.

Furthermore, a dust guard is arranged between the upper shell and the device circuit board, and the dust guard comprises a dust guard support.

Further, the dust guard is including locating the shield of shield support one end to and locate the reset spring of this shield support other end, the shield matches the setting with the through-hole to realize the closure through reset spring.

Furthermore, the communication interface is single mouthful, and the corresponding through-hole is single mouthful, and the shield is one, and the three matches the setting.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

1. the utility model discloses a ONU, panel, epitheca are connected with drain pan detachably, form the cavity in it, have in this cavity and be equipped with power supply circuit board and device circuit board outward in proper order, the device circuit board is preferred double-deck or multilayer structure, and inside embedding panel and the drain pan, thereby reduce this ONU's size, preferably 86mm standard architecture, be applicable to 86 end box, guaranteed the whole miniaturization that submits of ONU, realized FTTD, improved the convenience and the stability of using.

2. The utility model discloses a ONU, optical network pass through behind the optical line terminal of micro-cable or rubber-insulated-wire cable process locating the computer lab, through locating the beam splitter of this computer lab after again, insert ONU through light transceiver module interface module, and terminal equipment can directly be connected with this ONU, realizes optic fibre to the desktop.

3. The utility model discloses a ONU has realized ONU's miniaturization, and through ingenious structural design, realized that the micro-cable passes through optical fiber splice and directly pegs graft with optical transceiver module interface assembly, has avoided optic fibre to expose, appears disconnected fine, signal conversion trouble scheduling problem easily when effectively having solved traditional ONU installation.

4. The utility model discloses a ONU, cavity match with the power strip just to can make the photoelectric conversion plug of micro-cable wherein parallel on one side with ONU, insert in the optical transceiver module interface module just after being convenient for the micro-cable dish is fine. By adopting the structural design, the rotation angle of less than 90 degrees of the micro cable in the coiling and retaining process can be effectively avoided, and the problems of fiber breakage or signal conversion faults of the micro cable and the like are further avoided.

5. The utility model discloses a ONU, panel, inner panel, end box are equipped with the louvre on one side at least, have realized photoelectric conversion board, power strip and external heat exchange, have improved ONU radiating efficiency, ensure its safety, stable, reliable work in high temperature environment such as summer, improve user experience.

6. The utility model discloses a ONU, shield can adopt coil spring formula or torsion spring etc. to realize its switching, are convenient for when not inserting the net twine, cover the through-hole through the shield and reduce inside the dust gets into ONU, avoid photoelectric conversion board and power strip isotructure to receive the dust influence and produce the trouble, have further improved ONU's security and reliability.

7. The utility model discloses a ONU, panel recess are used for pasting the identification label, and this identification label can be for two-dimensional code, bar code, radio frequency identification label or three-dimensional code etc. can carry out information identification's label, and this identification label contains design, manufacturer, authority, serial number, position and detection, the full life cycle information of maintenance that corresponds ONU, and the later stage of being convenient for detects, maintains or changes.

Drawings

Fig. 1 is a front view of an ONU with an 86-bottom box according to a first embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of an ONU with an 86-bottom case according to an embodiment of the present invention;

fig. 3 is a schematic bottom view of an ONU with an 86-bottom box according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a three-dimensional structure of an ONU with an 86 bottom box according to an embodiment of the present invention;

fig. 5 is a schematic view of a device circuit board assembly structure in the first embodiment of the present invention;

fig. 6 is a front view of an ONU adapted to 86 bottom box according to a second embodiment of the present invention;

fig. 7 is a schematic view of an assembly structure of an ONU with an 86-bottom case according to a second embodiment of the present invention;

fig. 8 is a schematic bottom view of an ONU with an 86-bottom box according to a second embodiment of the present invention;

fig. 9 is a schematic diagram of a three-dimensional structure of an ONU with 86 bottom boxes in the second embodiment of the present invention.

In all the figures, the same reference numerals denote the same features, in particular: 1-panel, 101-panel sink, 2-upper shell, 201-upper shell bulge, 202-through hole, 3-dust guard, 301-dust guard, 302-reset spring, 303-dust guard support, 4-device circuit board, 401-first circuit board, 402-second circuit board, 403-optical transceiver module interface component, 404-communication interface, 5-power circuit board, 501-wiring terminal, 502-wiring sink, 6-bottom shell, 601-cavity, 602-bottom box heat dissipation hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 1-5 show one of the embodiments of the present invention, which provides a dual-port ONU suitable for 86 bottom cases, including panel 1, upper casing 2 and bottom casing 6, wherein, panel 1, upper casing 2 are detachably connected with bottom casing 6, and a cavity 601 is formed therein, and inside and outside of this cavity 601 are sequentially provided with a power circuit board 5 and a device circuit board 4, one end of the power circuit board 5 is connected with an external power supply, and the other end is connected with the device circuit board 4, thereby supplying power to the device circuit board 4. The device circuit board 4 is preferably a double or multi-layer structure and is embedded inside the panel 1 and the bottom case 6, thereby reducing the size of the ONU, preferably 86mm by 86mm standard structure, suitable for 86 bottom boxes. In addition, the device circuit board 4 includes an optical transceiver module interface assembly (BOSA)403, the optical network passes through an Optical Line Terminal (OLT) in the machine room via a micro cable or a rubber-insulated optical cable, then passes through an optical splitter in the machine room, and then accesses to the ONU via the optical transceiver module interface assembly 403, and the terminal equipment (such as a PC, a telephone, a video monitoring device, etc.) can be directly connected to the ONU, so as to implement that the optical fiber reaches the desktop.

Specifically, as shown in fig. 1, 2 and 4, a panel sinking groove 101 is formed in the center of the panel 1, an upper shell protrusion 201 is disposed at a position of the upper shell 2 corresponding to the panel sinking groove 101, the panel sinking groove 101 is sleeved on the upper shell protrusion 201, and a top surface of the upper shell protrusion 201 is flush with the panel 1. At one end of the upper shell protrusion 201, there are two through holes 202, and in this embodiment, the through holes 202 are disposed adjacently. Preferably, the upper case protrusion 201 is provided with an identification tag, which may be a two-dimensional code, a barcode, a radio frequency tag, a three-dimensional code, or the like, capable of performing information identification, and the identification tag includes a storage unit, and the storage unit is configured to store full life cycle information of the design, manufacturer information, authority, serial number, position, detection, maintenance, parameter setting, and the like of the corresponding ONU. When detecting, maintaining or changing, the staff passes through terminal equipment discernment this label, gathers the information that corresponds ONU, and give the server with these information through radio communication or other modes transmission, the server is handled above-mentioned information, and feed back detailed maintenance or change scheme to the terminal, the staff of being convenient for maintains and changes ONU, improved ONU's detection, maintenance and change efficiency greatly, shortened network interruption time, improved the reliability of network.

Further, as shown in fig. 4 and 5, the device circuit board 4 adopts a double-layer structure design, and includes a first circuit board 401 and a second circuit board 402, as shown in fig. 5, a notch is formed on the first circuit board 401, a communication interface 404 is arranged on the second circuit board 402 corresponding to the notch, and the communication interface 404 is preferably FJ45, and is in fit connection with the notch. Further, the communication interface 404 is a gigabit network interface, a telephone interface, a gigabit network interface, or a 5G access port; or the communication interface 404 may be a combination of two or more, one or more of a gigabit network interface, a telephone interface, a gigabit network interface, or a 5G access port. In addition, the optical transceiver module interface assembly 403 is arranged parallel to one side of the bottom case 6, so that the micro cable can be conveniently and directly spliced with the optical transceiver module interface assembly 403 through an optical fiber connector after being reserved on the 86 bottom case tray, the problem that the micro cable is broken or the signal conversion fault is caused due to the fact that the micro cable is in a corner smaller than 90 degrees in the tray reserving process can be effectively solved, FTTD is achieved, and the reliability and the stability of a network are improved.

In addition, as shown in fig. 2 and 4, the power circuit board 5 includes a terminal 501 and a wiring sink 502 disposed on the bottom case 6 and corresponding to the terminal 501, and the depth of the wiring sink 502 is determined to avoid electric shock of personnel, so as to ensure the safety of the ONU installation and use.

As shown in fig. 2-4, a cavity 601 is disposed in the bottom case 6 and can accommodate the power circuit board 5 and the device circuit board 4, the cavity 601 is exactly matched with the power circuit board 5 and the device circuit board 4, so that the optical transceiver module interface assembly 403 is parallel to one side of the bottom case 6, and the micro cable tray is exactly inserted into the optical transceiver module interface assembly 403 after being left. As the utility model discloses preferred embodiment, as shown in fig. 2 and fig. 4, drain pan 6 is equipped with end box louvre 602 on at least one side, and this end box louvre 602 is preferably rectangle radius structure, also can be rectangle, waist circle shape structure, further improves the inside radiating efficiency of ONU.

Further, a dust-proof plate 3 is disposed between the upper case 2 and the device circuit board 4, and the dust-proof plate 3 includes a dust-proof cover support 303, a dust-proof cover 301 disposed at one end of the dust-proof cover support 303, and a return spring 302 disposed at the other end of the dust-proof cover support 303. Wherein, shield 301 and through-hole 202 match the setting, and shield 301 passes through reset spring 302 and realizes the switching, and when not inserting the net twine, cover through-hole 202 through shield 301 and reduce the dust and get into inside the ONU, avoid structures such as photoelectric conversion board and power strip to receive the dust influence and produce the trouble, further improved ONU's security and reliability.

As shown in fig. 6-9, in another embodiment of the present invention, a single-port ONU suitable for 86 bottom boxes is provided, which has a similar structure to that of the embodiment, and the difference is that the communication interface 404 is a single port, the corresponding through hole 202 is also a single port, the dust-proof cover 301 is a single one, and the three are matched to realize the single-port ONU.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. An ONU suitable for an 86-bottom box is characterized by comprising a panel (1), an upper shell (2) and a bottom shell (6), wherein the panel (1), the upper shell (2) and the bottom shell (6) are detachably connected, and a cavity (601) is formed in the panel and the upper shell;

a power circuit board (5) and a device circuit board (4) are arranged in the cavity (601), one end of the power circuit board (5) is connected with an external power supply, and the other end of the power circuit board is connected with the device circuit board (4) to supply power to the device circuit board (4);

the device circuit board (4) is of a double-layer structure and comprises a first circuit board (401) and a second circuit board (402) which are arranged in a stacked mode, the first circuit board and the second circuit board are connected in a plugging mode, a notch is formed in the first circuit board (401), and at least one communication interface (404) is arranged on the second circuit board (402) corresponding to the notch.

2. An ONU suitable for use in an 86-chassis according to claim 1, wherein said second circuit board (402) is positioned closer to the bottom of the bottom shell (6) than said first circuit board (401), and wherein said communication interface (404) passes through a slot in said first circuit board (401) to match an opening in the top shell (2).

3. An ONU according to claim 1, wherein said component circuit board (4) comprises an optical transceiver module interface module (403) disposed on said first circuit board (401) or said second circuit board (402), said optical transceiver module interface module (403) being disposed parallel to one of the edges of said bottom chassis (6) to facilitate the direct splicing of optical fibers with said optical transceiver module interface module (403) via fiber splices after leaving the 86 chassis.

4. An ONU suitable for an 86-bottom box according to claim 1, wherein a panel sinking groove (101) is formed in the center of the panel (1), an upper shell protrusion (201) is formed on the upper shell (2) corresponding to the panel sinking groove (101), the panel sinking groove (101) is sleeved on the upper shell protrusion (201), and the top surface of the upper shell protrusion (201) is flush with the panel (1).

5. An ONU suitable for use in an 86-bottom box according to claim 1, wherein said upper-shell protrusion (201) has through holes (202) at one end, and the size and number of said through holes (202) are matched to said communication interface (404).

6. An ONU adapted to be used in an 86-bottom box according to any of claims 1 to 5, wherein said power circuit board (5) comprises a terminal post (501) and a terminal recess (502) provided on the bottom case (6) and corresponding to the terminal post (501).

7. An ONU adapted for an 86-bottom chassis according to any of claims 1-5, wherein said bottom chassis (6) is provided with a bottom chassis heat dissipation aperture (602) on at least one side, said bottom chassis heat dissipation aperture (602) having a rectangular rounded, rectangular or oval configuration.

8. An ONU according to any of claims 1-5 and adapted for use in an 86-bottom enclosure, wherein a dust-proof plate (3) is provided between the top casing (2) and the device circuit board (4), and wherein the dust-proof plate (3) comprises a dust-proof cover holder (303).

9. An ONU suitable for use in an 86-bottom box according to claim 8, wherein said dust-proof plate (3) comprises a dust-proof cover (301) at one end of said dust-proof cover holder (303), and a return spring (302) at the other end of said dust-proof cover holder (303), and wherein said dust-proof cover (301) is disposed to match said through hole (202) and is closed by said return spring (302).

10. An ONU according to claim 8, wherein said communication interface (404) is single-port, the corresponding through hole (202) is single-port, and the dust cap (301) is one, and they are arranged in a matching manner.