CN201585220U - Line cards and network element devices - Google Patents

Abstract

The embodiment of the utility model relates to a line card and network element equipment. The line card comprises a line card panel. Spanners are respectively arranged on the two sides of the line card panel. A first printed circuit board is connected on the line card panel, is perpendicular to the line card panel and is arranged in parallel with the spanners. The line card additionally comprises at least one second printed circuit board. The first printed circuit board and the second printed circuit board are used for installing optical modules, electric modules or cable sockets. Since a through installation port is arranged on the first printed circuit board of the line card, the utility model has the advantages that the number of the optical modules, the electric modules or the cable sockets accessed on the line card can be increased, the density of various modules integrated on the line card is improved, the utilization rate is high and the cost is low.

Description

Line cards and network element devices

technical field

The embodiment of the utility model relates to the technical field of communication, in particular to a line card and network element equipment.

Background technique

The existing method for installing electrical/optical modules on a line card is as follows: buckle and press a single-layer, double-layer or multi-layer module on one or both sides of a printed circuit board (Printed Circuit Board; PCB) on the line card. After the system is determined, the position and size of the line card panel on the line card and the PCB connected to it are also fixed. Figure 1 is a schematic diagram of the existing double-layer module crimped on one side of the PCB. As shown in Figure 1, the two-layer module 11 They are arranged on one side of the PCB 12 together. If the two-layer module 11 needs to be installed successfully, the height of the two-layer module 11 needs to be smaller than H1. Fig. 2 is a schematic diagram of two existing single-layer modules 21 respectively buckled and pressed on both sides of the PCB. As shown in Fig. For layer modules 21, the height of the single layer module 21 on the bottom surface needs to be less than H2.

The inventor finds that the prior art has at least the following problems in the process of realizing the utility model:

The PCB in the line card is a single layer, the number of modules that can be connected to the PCB of the line card is small, and the density of optical fibers and cable sockets that can be integrated on the line card is low.

Utility model content

The embodiment of the utility model provides a line card and network element equipment.

The embodiment of the utility model provides a line card, including a line card panel, wrenches are respectively arranged on both sides of the line card panel; a first printed circuit board is connected to the line card panel, and the first printed circuit board The board is arranged perpendicular to the panel of the line card and parallel to the wrench, and the line card also includes at least one second printed circuit board, and the first printed circuit board and the second printed circuit board are used for installing Optical module, electrical module or cable socket.

The embodiment of the present utility model further provides a network element device, including: the above-mentioned line card, and the line card panel is fastened to the body of the network element device by a wrench.

In the line card and network element equipment provided by the embodiment of the present invention, a transparent installation port is set on the first printed circuit board of the line card, which can increase the number of optical modules, electrical modules or cable sockets that can be connected to the line card. Quantity, increase the density of various modules that can be integrated on the line card, high utilization rate and low cost.

Description of drawings

Figure 1 is a schematic diagram of the existing double-layer module crimped on one side of the PCB;

Figure 2 is a schematic diagram of the existing two single-layer modules respectively crimped on both sides of the PCB;

FIG. 3 is a schematic structural diagram of the first embodiment of the line card of the present invention;

Fig. 4 is the sectional view of Fig. 3 in A-A direction;

FIG. 5 is a schematic structural diagram of a second embodiment of the line card of the present invention;

FIG. 6 is a schematic structural diagram of two second printed circuit boards in the second embodiment of the line card of the present invention;

7 is a partial schematic diagram of the arrangement of optical modules on the PCB in the second embodiment of the line card of the present invention;

8 is a schematic diagram of the arrangement of optical modules on PCBs of adjacent line cards in the second embodiment of the line card of the present invention;

Fig. 9a is a schematic diagram of a scene where a wrench is bent in the third embodiment of the line card of the present invention;

Fig. 9b is a schematic cross-sectional view of Fig. 9a along the direction C-C.

Detailed ways

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Fig. 3 is a schematic structural diagram of the first embodiment of the line card of the present invention. As shown in Fig. 3, the line card includes: a line card panel 31, and wrenches (not shown) are respectively arranged on both sides of the line card panel 31; The card panel 31 is connected with a first printed circuit board 33, the first printed circuit board 33 is perpendicular to the line card panel 31 and arranged parallel to the wrench, the line card also includes at least one second printed circuit board 41, the first The printed circuit board 33 and the second printed circuit board 41 are used for installing optical modules, electrical modules or cable sockets.

Further, a transparent installation opening 331 may be opened on the first printed circuit board 33 . The optical module, the electrical module or the cable socket are installed between the second printed circuit board 41 and the first printed circuit board 33 through the installation opening 331 . FIG. 4 is a cross-sectional view of FIG. 3 along the direction A-A. As shown in FIG. 4 , the installation opening 331 may be an opening through the first printed circuit board. In addition, the installation port can also be a plurality of ports with the same size as the optical modules, electrical modules or cable sockets that need to be installed in the installation port 331, for example: the optical module installed in the installation port 331, where the electrical module is located The length and width of the module or the cable socket set the length and width of the installation opening 331 on the first printed circuit board 33 . Optical modules and electrical modules can be installed in the installation port 331, for example: Small Form-factor Pluggable (Small Form-factor Pluggable; SFP for short) module, SFP+ module, 10 Gigabit Ethernet interface small-package pluggable (10- Gigabit smallForm-factor Pluggable; abbreviation: XFP) optical module, electrical port module, electrical port SFP module; cable sockets can also be installed in the installation port 331, including: optical cable sockets, cable sockets, etc.

Still further, a connector 42 for transmitting electrical signals is connected between the second printed circuit board 41 and the first printed circuit board 33 . Wherein, each second printed circuit board 41 can be connected to the first printed circuit board 33 through a connector, or after connecting two adjacent second printed circuit boards 41 with a connector 42, Then connect to the first printed circuit board 33. The connectors can be wires, chips, sockets, PIN tubes or other conductors that can transmit electrical signals, etc. The utility model does not limit the shape and material selected by the connectors.

In this embodiment, the first printed circuit board and the second printed circuit board included in the line card can be equipped with optical modules, electrical modules and cable sockets, and the number of optical modules, electrical modules or cables that can be connected to the line card can be increased. The number of sockets improves the density of various modules that can be integrated on the line card, and the utilization rate is high and the cost is low.

Figure 5 is a schematic structural diagram of the second embodiment of the line card of the present invention, as shown in Figure 5, on the basis of the first embodiment of the line card of the present invention, the position of the second printed circuit board 41 can be integrated in the The height of the optical module, electrical module or cable socket on the first printed circuit board 33 or the second printed circuit board 41 is set. As shown in Figure 5, the reserved height can be slightly greater than or equal to the height of the module where the optical module and the electrical module are located, or the height of the cable socket such as the RJ45 interface of the network cable. For example: assuming that the required reserved height is 10.5 mm, if the width of the line card panel 31 is 28 mm, the thickness of the first printed circuit board 33 is 2 mm, and the upper surface of the first printed circuit board 33 reaches the bottom surface of the line card panel 31 The height is 7mm, the thickness of the side 311 of the line card panel 31 is 1mm, the thickness of the selected second printed circuit board 41 is 4mm, and the reserved height in Fig. 5 is set to 10.5mm, wherein, the first printed The height of the connector between the circuit board 33 and the second printed circuit board 41 may be 4mm.

The above-mentioned FIG. 5 includes only one second printed circuit board 41 , if the width of the line card panel is large enough, two or more second printed circuit boards can be provided. Fig. 6 is a schematic diagram of the structure of two second printed circuit boards in the second embodiment of the line card of the present invention. The thickness of a printed circuit board 33 is 2 mm, the height from the upper surface of the first printed circuit board 33 to the bottom surface of the line card panel 31 is 8 mm, the thickness of the side 311 of the line card panel 31 is 1 mm, and the second printed circuit board The thickness of 41 is 4mm, and the thickness of the second printed circuit board 41 that selects is 4mm, and the thickness of the second printed circuit board 43 is 2mm, makes the first printed circuit board 33 and the second printed circuit board 41 The height of the connector between is 4mm, makes the height of the connector between the first printed circuit board 33 and the second printed circuit board 43 be 20mm, then can include three rows of reserved heights in Fig. 6, in Optical modules, electrical modules, or cable sockets can be placed in the three rows of reserved heights.

FIG. 7 is a partial schematic diagram of the arrangement of optical modules on the PCB in the second embodiment of the line card of the present invention. FIG. 7 is a schematic cross-sectional view of the B-B direction in FIG. 3. As shown in FIG. 7, the second printed circuit board 41 and Opposite optical modules on the first printed circuit board 33 can be staggered, so that the optical fiber head 511 in the optical module 51 on the second printed circuit board 41 and the optical fiber head 521 in the optical module 52 on the first printed circuit board Staggered.

In addition, the opposite optical modules on the two adjacent second printed circuit boards 41 may also be arranged in a staggered manner, so that the optical fiber heads in the opposite optical modules on the two adjacent second printed circuit boards 41 are arranged in a staggered manner.

Furthermore, as shown in Figure 8, it is a schematic diagram of the arrangement of optical modules on the PCB of adjacent line cards in the second embodiment of the utility model line card, the printed circuit board between two adjacent line cards Opposite optical modules can be arranged in a staggered manner, for example: the optical modules 81 on the first printed circuit board 33 of one line card and the optical modules 82 on the second printed circuit board 41 on another adjacent line card are arranged in a staggered manner so that the fiber ends between adjacent line cards are staggered and do not collide.

In this embodiment, a transparent installation port is provided on the first printed circuit board of the line card, which can increase the number of optical modules, electrical modules or cable sockets that can be connected to the line card, and improve the number of various components that can be integrated on the line card. The density of the module; through the second printed circuit board, the utilization rate of the line card can be further improved.

Figure 9a is a schematic diagram of a scene where a wrench is bent in the third embodiment of the line card of the present invention, Figure 9a is a schematic cross-sectional view in the B-B direction of Figure 3, and Figure 9b is a schematic cross-sectional view in the C-C direction of Figure 9a, as shown in Figure 9a As shown, on the basis of the first and second embodiments of the line card of the present invention, at least one of the wrenches on both sides of the line card panel 31 is a bendable wrench 91; the bendable wrench 91 is bent state.

Further, a temporary fixing device is provided on the bendable wrench, and the temporary fixing device is used for temporarily fixing the bending arm 911 of the bendable wrench 91 when the bendable wrench is bent. Wherein, the temporary fixing device may be a magnet or a fastening component or the like. The magnet or the buckle assembly can be arranged on the wrench seat 912; the magnet can attract the bend arm 911 to the wrench seat 912 by magnetic force when the bend arm 911 is closed; The bending arm 911 can be snapped onto the wrench seat 912 directly.

As shown in FIG. 9 b , when the bending arm 911 of the bendable wrench 91 is in an extended state before bending, if the optical module 93 is installed on the line card, the optical fiber head 931 of the optical module 93 may be touched. After the line card is inserted into the network element device, the bending arm 911 of the bendable wrench 91 is bent, and the space barrier of the bending arm 911 to the line card is reduced, which can increase the number of inserted optical modules.

The wrench on the line card in this embodiment is a bendable wrench, which can further increase the use space of the line card, and improve the density and utilization rate of various modules that can be integrated in the line card.

The embodiment of the present invention can also provide a network element device. The line card on the network element device can be any structure of the line card in the above embodiments. The line card connects the line card panel to the Fasten the fuselage of the above-mentioned network element device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the various embodiments of the present invention. .

Claims (9)

1. a ply-yarn drill comprises the ply-yarn drill panel, and described ply-yarn drill panel both sides are respectively arranged with spanner; Be connected with first printed circuit board on the described ply-yarn drill panel, described first printed circuit board is vertical with described ply-yarn drill panel and be arranged in parallel with described spanner, it is characterized in that, also comprise at least one second printed circuit board, described first printed circuit board and described second printed circuit board are used to install optical module, electric module or cable receptacles.

2. ply-yarn drill according to claim 1, it is characterized in that, offer penetrating installing port on described first printed circuit board, described optical module, electric module or cable receptacles see through described installing port and are installed between described second printed circuit board and first printed circuit board.

3. ply-yarn drill according to claim 1 and 2 is characterized in that, is connected with the connector that is used to transmit the signal of telecommunication between described second printed circuit board and described first printed circuit board.

4. ply-yarn drill according to claim 3, it is characterized in that, optical module relative on described second printed circuit board and described first printed circuit board is staggered so that on described second printed circuit board on the optical fiber head in the optical module and described first printed circuit board optical fiber head in the optical module be staggered.

5. ply-yarn drill according to claim 3 is characterized in that, relative optical module is staggered on two adjacent described second printed circuit boards, so that the optical fiber head in the relative optical module is staggered on two adjacent described second printed circuit boards.

6. ply-yarn drill according to claim 1 and 2 is characterized in that, at least one is bent spanner in the spanner of described ply-yarn drill panel both sides; Described bent spanner is a bending state after described ply-yarn drill inserts network element device.

7. ply-yarn drill according to claim 6 is characterized in that, described bent spanner is provided with temporary fastening device, and described temporary fastening device is used for the bent over arms of temporary fixed described bent spanner when described bent spanner bends.

8. ply-yarn drill according to claim 7 is characterized in that, described temporary fastening device is magnet or buckling component.

9. a network element device is characterized in that, comprising: the arbitrary described ply-yarn drill of claim 1-8, described ply-yarn drill is by spanner or the screw fuselage fastening with ply-yarn drill panel and described network element device.

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