TWI783526B - Transcoding expansion card - Google Patents

Abstract

A transcoding expansion card include a first transcoding module and a second transcoding module. The first transcoding module include a first substrate, a plurality of first transcoding circuit boards, and at least one first main electrical connector. The first transcoding circuit boards and the first main electrical connector are disposed on and electrically connected to the first substrate. The second transcoding module include a second substrate, a plurality of second transcoding circuit boards, and at least one second main electrical connector. The second transcoding circuit boards and the second main electrical connector are disposed on and electrically connected to the second substrate. The first electrical connector is mounted on the second electrical connector so as to support the second substrate above the first substrate. The second transcoding circuit boards are electrically connected to the first substrate via the second substrate, the second main electrical connector, and the first main electrical connector.

Description

Video Transcoding Expansion Card

The invention relates to an expansion card, in particular to a video transcoding expansion card.

With the development and progress of technology, servers have been widely used in various fields. In order for the server to meet various needs, users can selectively install expansion cards in the server to improve the performance of the server.

Currently, there are many types of expansion cards, such as transcoding expansion cards, network expansion cards, and audio expansion cards. Taking the transcoding expansion card as an example, the general transcoding expansion card is used to convert the original video into different encoding formats, different resolutions and different bit rate encoding streams, so as to meet the requirements of different network environments, different terminal devices, etc. The playback requirements in the scene.

Generally, there are multiple transcoding circuit boards on a single transcoding expansion card, and the server is usually equipped with multiple transcoding expansion cards to increase the number of transcoding circuit boards to improve the transcoding performance of the server. However, at present, the number of transcoding circuit boards that can be accommodated in the server has encountered a bottleneck and it is difficult to increase, so it is difficult to continue to improve the transcoding performance of the server. Therefore, researchers in this field are currently working on solving the aforementioned problems.

The present invention provides a video transcoding expansion card to solve the problem in the prior art that the number of transcoding circuit boards that can be accommodated in the server encounters a bottleneck and is difficult to increase.

A video transcoding expansion card disclosed in an embodiment of the present invention includes a first video transcoding module and a second video transcoding module. The first video transcoding module includes a first substrate, a plurality of first transcoding circuit boards and at least one first main electrical connector. These first transcoding circuit boards and at least one first main electrical connector are arranged on the first substrate and electrically connected with the first substrate. The second video transcoding module includes a second substrate, a plurality of second transcoding circuit boards and at least one second main electrical connector. These second transcoding circuit boards and at least one second main electrical connector are arranged on the second substrate and electrically connected with the second substrate. The first main electrical connector is docked with the second main electrical connector, and supports the second substrate on the first substrate, and these second transcoding circuit boards pass through the second substrate, at least one second main electrical connector and at least one A first main electrical connector is electrically connected to the first substrate.

According to the video transcoding expansion card disclosed in the above embodiment, a plurality of transcoding circuit boards are provided on the first substrate and the second substrate, and the transcoding circuit boards on the second substrate pass through the second substrate, the second The main electrical connector and the first main electrical connector are electrically connected to the configuration of the first substrate, the first substrate can be used as the main control board of the overall video transcoding expansion card, and the transcoding circuit board and the transcoding circuit board on the second substrate can be used. The transcoding circuit board on the first substrate shares the electronic components on the first substrate, so the arrangement of electronic components can be omitted on the second substrate and the space on the second substrate is filled with the transcoding circuit board as much as possible, so that the video The total number of transcoding circuit boards of the transcoding expansion card is greater than the sum of the number of transcoding circuit boards of the traditional two transcoding expansion cards. Therefore, on the premise that the video transcoding expansion card and the two transcoding expansion cards occupy the same internal space of the server, using the video transcoding expansion card can improve the video transcoding performance.

The above description of the content of the present invention and the following description of the implementation are used to demonstrate and explain the principle of the present invention, and provide further explanation of the patent application scope of the present invention.

Please refer to Figure 1 and Figure 2. FIG. 1 is a three-dimensional schematic diagram of a video transcoding expansion card disclosed according to a first embodiment of the present invention. FIG. 2 is an exploded schematic diagram of FIG. 1 .

In this embodiment, the video transcoding expansion card 1 is, for example, double-width. That is, the width of the video transcoding expansion card 1 is the width of two standard single-width transcoding expansion cards. The video transcoding expansion card 1 includes a first video transcoding module 10 and a second video transcoding module 20 .

Next, please refer to FIG. 2 and FIG. 3 . FIG. 3 is an exploded diagram of the first video transcoding module in FIG. 2 .

The first video transcoding module 10 includes a first backplane 11, a first substrate 12, a plurality of first transcoding circuit boards 13, two first main electrical connectors 14, a first heat sink 15, a plurality of Stud 16 and a plurality of screws 17.

The first substrate 12 is stacked on the first backplane 11 . The number of these first transcoding circuit boards 13 is, for example, 8 and their structures are the same, so only one of the first transcoding circuit boards 13 will be described in detail. The first transcoding circuit board 13 is made by any-layer technology, and its thickness is about 0.7 mm. The first transcoding circuit board 13 includes a first board body 131 and two first sub-electrical connectors 132 . The first board 131 has electronic components (not shown) such as a processor, a memory, and a general flash memory. The two first sub-electrical connectors 132 are arranged on the same surface of the first board 131, and the side of the two first sub-electrical connectors 132 away from the first board 131 is arranged on the first substrate 12, so that the first board The body 131 is separated from the first substrate 12 through the two first sub-electric connectors 132 , and the first board body 131 is electrically connected to the first substrate 12 through the two first sub-electric connectors 132 .

In this embodiment, the spaced arrangement between the first board body 131 and the first substrate 12 is beneficial to the wiring arrangement of the circuit on the first substrate 12 . However, the spaced configuration of the first plate body 131 and the first substrate 12 is not intended to limit the present invention. In other embodiments, the first transcoding circuit board can omit the electrical connector, and the first board can be directly arranged on the first substrate to be electrically connected with the first substrate, while the circuit traces of the first substrate can be avoided. The first board.

The two first main electrical connectors 14 and the first sub-electrical connector 132 are disposed on the same surface of the first substrate 12 , and the two first main electrical connectors 14 are electrically connected to the first substrate 12 . The first substrate 12 is located between the first backplane 11 , the first transcoding circuit boards 13 and the two first main electrical connectors 14 .

These studs 16 have the same structure, so only one of the studs 16 will be described in detail below. The stud 16 includes a narrow portion 161 and a wide portion 162 connected thereto. The width W2 of the wide portion 162 is greater than the width W1 of the narrow portion 161 . The narrow portion 161 passes through the first base plate 12 and is locked to the first back plate 11 , so that the first base plate 12 is sandwiched between the wide portions 162 of the studs 16 and the first back plate 11 . The screws 17 pass through the first heat sink 15 and are locked to the wide portions 162 of the studs 16 , so that the first heat sink 15 is fixed to the first backplane 11 through the studs 16 and the screws 17 . The first heat sink 15 is, for example, a heat sink fin. The first heat sink 15 is stacked and thermally contacted on the side of the first board body 131 of the first transcoding circuit boards 13 away from the first substrate 12 for dissipating heat from the first transcoding circuit boards 13 . The first heat sink 15 has two relief holes 151 , and the two first main electrical connectors 14 pass through the two relief holes 151 respectively. However, the first heat sink 15 is an optional element. In other embodiments, the first video transcoding module may not have the first heat sink and the studs and screws matched with the first heat sink.

In this embodiment, the video transcoding expansion card 1 may further include a baffle 30 . The baffle 30 has four assembly parts 31 , 32 . The two assembling parts 31 are interposed between the first backplane 11 and the first substrate 12 , and are fixed to the first backplane 11 and the first substrate 12 through screw locks. However, the number of assembling parts 31 is not intended to limit the present invention. In other implementations, the baffle 30 may only have one assembly portion 31 .

In this embodiment, the first substrate 12 has a first region 121 and a second region 122 . The first area 121 is closer to the barrier 30 than the second area 122 . The first video transcoding module 10 may further include a processing chip 181 , a memory 182 and a plurality of connection ports 183 . The processing chip 181, the memory 182, these connection ports 183 and one of the first main electrical connectors 14 are located in the first area 121, while the other first main electrical connector 14 and these first transcoding circuit boards 13 are located in the second area. Area 122. The processing chip 181 , the memory 182 and the connection ports 183 are electrically connected to the first substrate 12 .

In this embodiment, the positions of the processing chip 181 , the memory 182 , the connecting port 183 , the first main electrical connector 14 and the first transcoding circuit board 13 are not intended to limit the present invention. In other embodiments, the positions of the processing chip, the memory, the connection port, the first main electrical connector, and the first transcoding circuit board can be adjusted according to requirements.

Next, please refer to Figures 2, 4 and 5. Wherein, FIG. 4 is an exploded schematic diagram of the second video transcoding module in FIG. 2 . FIG. 5 is a schematic cross-sectional view of FIG. 1 .

The second video transcoding module 20 includes a second backplane 21, a second substrate 22, a plurality of second transcoding circuit boards 23, two second main electrical connectors 24, a second heat sink 25, a plurality of A stud 26 and a plurality of screws 27.

The second substrate 22 has a first surface 221 and a second surface 222 opposite to each other. The first surface 221 of the second substrate 22 is stacked on the second backplane 21 . The second back plate 21 and the second base plate 22 are fixed on the second assembly portion 32 of the bezel 30 through screw locking. However, the number of assembling parts 32 is not intended to limit the present invention. In other implementations, the baffle 30 may have only one assembly portion 32 .

The number of the second transcoding circuit boards 23 is, for example, 16 and substantially covers the entire second surface 222 of the second substrate 22 . These second transcoding circuit boards 23 have the same structure, so only one of the second transcoding circuit boards 23 will be described in detail. The second transcoding circuit board 23 is made by any-layer technology, and its thickness is about 0.7 mm. The second transcoding circuit board 23 includes a second board body 231 and two second sub-electrical connectors 232 . The second board 231 has electronic components (not shown) such as a processor, a memory, and a general-purpose flash memory. The two second sub-electrical connectors 232 are disposed on the same surface of the second board 231 , and the side of the second sub-electrical connectors 232 away from the second board 231 is disposed on the second surface 222 of the second substrate 22 , so that the second substrate 22 is located between the second backplane 21 and these second transcoding circuit boards 23, and the second board body 231 is separated from the second substrate 22 through two second sub-electrical connectors 232, and the second The board body 231 is electrically connected to the second substrate 22 through two second electrical sub-connectors 232 .

In this embodiment, the spaced arrangement between the second board body 231 and the second substrate 22 facilitates the wiring arrangement of the circuits on the second substrate 22 . However, the spaced configuration of the second plate body 231 and the second substrate 22 is not intended to limit the present invention. In other embodiments, the second transcoding circuit board can omit the electrical connector, and the second board body can be directly arranged on the second substrate to be electrically connected with the second substrate, while the circuit traces of the second substrate can be avoided. The second board.

In this embodiment, the second backboard 21 has two relief holes 211 . The two second main electrical connectors 24 are disposed on the first surface 221 of the second substrate 22 and pass through the two relief holes 211 of the second backplane 21 respectively, and the two second main electrical connectors 24 are electrically connected to the second main electrical connector 24. Two substrates 22 .

These studs 26 have the same structure, so only one of the studs 26 will be described in detail below. The stud 26 includes a narrow portion 261 and a wide portion 262 connected thereto. The width W4 of the wide portion 262 is greater than the width W3 of the narrow portion 261 . The narrow portion 261 passes through the second base plate 22 and is locked to the second back plate 21 , so that the second base plate 22 is interposed between the wide portions 262 of the studs 26 and the second back plate 21 . The screws 27 pass through the second heat sink 25 and are locked to the wide portions 262 of the studs 26 , so that the second heat sink 25 is fixed to the second backplane 21 through the studs 26 and the screws 27 . The second heat sink 25 is, for example, a heat sink fin. The second heat sink 25 is stacked and thermally contacted on the side of the second board body 231 of the second transcoding circuit boards 23 away from the second substrate 22 for dissipating heat from the second transcoding circuit boards 23 . However, the second heat sink 25 is an optional element. In other embodiments, the second video transcoding module may not have the second heat sink and the studs and screws matched with the second heat sink.

In this embodiment, the video transcoding expansion card 1 may further include a plurality of first studs 40 , a plurality of second studs 50 , a plurality of first screws 60 and a cover 70 .

These first studs 40 have the same structure, so only one of the first studs 40 will be described in detail below. The first stud 40 includes a narrow portion 41 and a wide portion 42 connected to each other. The width W6 of the wide portion 42 is larger than the width W5 of the narrow portion 41 . The narrow portion 41 passes through the first base plate 12 and is locked to the first back plate 11 , and the first base plate 12 is clamped between the first back plate 11 and the wide portion 42 of the first stud 40 . An end of the wide portion 42 of the first stud 40 away from the first backplane 11 supports a side of the second backplane 21 away from the second base plate 22 .

These second studs 50 have the same structure, so only one of the second studs 50 will be described in detail below. The second stud 50 includes a narrow portion 51 and a wide portion 52 connected together, and the width W8 of the wide portion 52 is greater than the width W7 of the narrow portion 51 . The narrow portions 51 of the second studs 50 pass through the second base plate 22 and the second back plate 21, and are respectively locked to the wide portions 42 of the first studs 40, so that the second back plate 21 and the second base plate 22 is clamped between the wide portions 42 of the first studs 40 and the wide portions 52 of the second studs 50 . The two second main electrical connectors 24 respectively dock with the two first main electrical connectors 14, and support the second substrate 22 on the first substrate 12, and make these second transcoding circuit boards 23 pass through the second substrate 22, The two second main electrical connectors 24 , the two first main electrical connectors 14 and the first substrate 12 are electrically connected to the processing chip 181 .

Four of the first screws 60 pass through the cover body 70 and are respectively locked on the wide portions 52 of the second studs 50 away from the ends of the first studs 40 , and the other first screw 60 passes through the baffle plate 30 and is locked. Attached to the cover 70, and another first screw 60 passes through the assembly part 31 of the cover 70, the first base plate 12 and the baffle 30 in sequence and is locked on the first back plate 11, so that the cover 70, the baffle The board 30 and the first backplane 11 jointly shield the first substrate 12, the first transcoding circuit boards 13, the two first main electrical connectors 14, the first studs 40, the second video transcoding module 20 and the first Two studs 50.

Generally speaking, the base board of a single-width transcoding expansion card needs to have an area for placing electronic components such as processing chips, memory, and connection ports, so the space for a single-width transcoding expansion card can only be set up to 8 transcoders at most. circuit board. In this embodiment, a plurality of first transcoding circuit boards 13 and second transcoding circuit boards 23 are arranged on the first substrate 12 and the second substrate 22 respectively, and the second transcoding circuit boards 23 on the second substrate 22 The circuit board 23 is configured to electrically connect the processing chip 181 through the second substrate 22, the second main electrical connector 24, the first main electrical connector 14, and the first substrate 12, so that the first substrate 12 can be used as an overall video transcoding expansion The main control board of the card 1, so that the second transcoding circuit board 23 on the second substrate 22 and the first transcoding circuit board 13 on the first substrate 12 share the electronic components on the first substrate 12 (processing chip 181, memory 182, these connecting ports 183), so the configuration of electronic components can be omitted on the second substrate 22 and the space on the second substrate 22 can be filled with the second transcoding circuit board 23 as much as possible, so that the video transcoding can expand The total number of transcoding circuit boards of the card 1 (24 transcoding circuit boards) is greater than the sum of the number of transcoding circuit boards (16 transcoding circuit boards) of the traditional two single-width transcoding expansion cards. Therefore, on the premise that the video transcoding expansion card 1 and the two single-width transcoding expansion cards occupy the same internal space of the server, the use of the video transcoding expansion card 1 can improve the video transcoding performance.

In this embodiment, the first backplane 11 and the second backplane 21 can respectively increase the overall structural strength of the first video transcoding module 10 and the second video transcoding module 20 . Of course, the first backplane and the second backplane are optional components. In other embodiments, the first video transcoding module and the second video transcoding module may have no backplane.

In addition, the first stud 40 is also an optional element. In other embodiments, the video transcoding expansion card may not have the first stud, and the second substrate may be supported on the first substrate only by the two first main electrical connectors and the two second main electrical connectors.

Furthermore, the numbers of the first main electrical connectors 14 and the second main electrical connectors 24 are not intended to limit the present invention. In other embodiments, each of the first video transcoding module and the second video transcoding module may have only one main electrical connector.

In addition, the cover body 70 is also an optional component. In other embodiments, the video transcoding expansion card may have no cover body and the second studs and first screws matched with the cover body.

Moreover, the baffle plate 30 is also an optional component. In other embodiments, the video transcoding expansion card may have no baffle.

The aforesaid numbers of the first transcoding circuit boards 13 and the second transcoding circuit boards 23 are only for illustration and are not intended to limit the present invention. In other embodiments, the quantity of the first transcoding circuit board and the quantity of the second transcoding circuit board can be adjusted according to actual needs.

According to the video transcoding expansion card disclosed in the above embodiment, a plurality of transcoding circuit boards are provided on the first substrate and the second substrate, and the transcoding circuit boards on the second substrate pass through the second substrate, the second The main electrical connector and the first main electrical connector are electrically connected to the configuration of the first substrate, the first substrate can be used as the main control board of the overall video transcoding expansion card, and the transcoding circuit board and the transcoding circuit board on the second substrate can be used. The transcoding circuit board on the first substrate shares the electronic components on the first substrate, so the arrangement of electronic components can be omitted on the second substrate and the space on the second substrate is filled with the transcoding circuit board as much as possible, so that the video The total number of transcoding circuit boards of the transcoding expansion card is greater than the sum of the number of transcoding circuit boards of the traditional two transcoding expansion cards. Therefore, on the premise that the video transcoding expansion card and the two transcoding expansion cards occupy the same internal space of the server, using the video transcoding expansion card can improve the video transcoding performance.

Although the present invention is disclosed above with the aforementioned preferred embodiments, it is not intended to limit the present invention. Any person familiar with the similar art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of patent protection for inventions shall be defined in the scope of patent application attached to this specification.

1: Video transcoding expansion card 10: The first video transcoding module 11: The first backplane 12: The first substrate 121: The first area 122: Second area 13: The first transcoding circuit board 131: The first board body 132: The first sub-electrical connector 14: The first main electrical connector 15: The first radiator 151: Give way hole 16: stud 161: Narrow part 162: wide part 17: screw 181: Process Wafer 182: memory 183: port 20: Second video transcoding module 21: Second backplane 211: Give way hole 22: Second substrate 221: first surface 222: second surface 23: The second transcoding circuit board 231: the second plate body 232: Second electrical connector 24:Second main electrical connector 25: The second radiator 26: stud 261: Narrow part 262: wide part 27: screw 30: Baffle 31, 32: Assembly Department 40: First Stud 41: Narrow part 42: wide part 50: Second stud 51: Narrow part 52: wide part 60: First screw 70: cover body W1, W2, W3, W4, W5, W6, W7, W8: Width

FIG. 1 is a three-dimensional schematic diagram of a video transcoding expansion card disclosed according to a first embodiment of the present invention. FIG. 2 is an exploded schematic diagram of FIG. 1 . FIG. 3 is an exploded schematic diagram of the first video transcoding module in FIG. 2 . FIG. 4 is an exploded schematic diagram of the second video transcoding module in FIG. 2 . FIG. 5 is a schematic cross-sectional view of FIG. 1 .

10: The first video transcoding module

20: Second video transcoding module

30: Baffle

31, 32: Assembly Department

40: First Stud

41: Narrow part

42: wide part

50: Second stud

51: Narrow part

52: wide part

60: First screw

70: cover body

W5, W6, W7, W8: Width

Claims (10)

A video transcoding expansion card, comprising: a first video transcoding module, including a first substrate, a plurality of first transcoding circuit boards and at least one first main electrical connector, the first transcoding circuit boards and the at least one first main electrical connector is disposed on the first substrate and electrically connected to the first substrate; and a second video transcoding module includes a second substrate and a plurality of second transcoding circuits Board and at least one second main electrical connector, the second transcoding circuit boards and the at least one second main electrical connector are arranged on the second substrate and electrically connected with the second substrate, the at least one first A main electrical connector is docked with the at least one second main electrical connector, and supports the second substrate on the first substrate, and the second transcoding circuit boards pass through the second substrate, the at least one first The two main electrical connectors and the at least one first main electrical connector are electrically connected to the first substrate. The video transcoding expansion card described in claim 1 further includes a plurality of first studs, the first video transcoding module further includes a first backplane, and the second video transcoding module further includes a first Two backplanes, the first substrate is stacked on the first backplane, and is located between the first backplane, the first transcoding circuit boards and the at least one first main electrical connector, the second substrate stacked on the second backplane, and located between the second backplane and the second transcoding circuit boards, the first studs pass through the first base plate and are fixed on the first backplane, And the ends of the first studs away from the first backboard support the second backboard. The video transcoding expansion card as described in claim 2 further includes a plurality of second studs, a plurality of first screws and a cover, and the second studs pass through the second backplane and the second The base plate is respectively locked to the first studs, and the first screws pass through the cover and are respectively locked to the ends of the second studs away from the first studs, so that the cover Together with the first backplane, it shields the first substrate, the first transcoding circuit boards, the at least one first main electrical connector, the first stud, the second video transcoding module and the first transcoding modules. Two studs. The video transcoding expansion card as described in claim 2, wherein the first video transcoding module further includes a first heat sink, and the first heat sink is stacked and thermally contacted away from the first transcoding circuit boards On one side of the first substrate, the second video transcoding module further includes a second heat sink, the second heat sink is stacked and thermally contacted with one of the second transcoding circuit boards away from the second substrate side. The video transcoding expansion card as described in claim 4, wherein the first video transcoding module further includes a plurality of studs and a plurality of screws, and the studs of the first video transcoding module pass through the The first base plate is used to fix the first backplane, the screws of the first video transcoding module pass through the first heat sink and are respectively locked to the studs of the first video transcoding module, The second video transcoding module further includes a plurality of studs and a plurality of screws, the studs of the second video transcoding module pass through the second substrate and fix the second backplane, the second The screws of the video transcoding module pass through the second heat sink and are locked to the studs of the second video transcoding module respectively. The video transcoding expansion card as described in claim 2 further includes a baffle plate, the baffle plate has two assembly parts, and the two assembly parts are respectively fixed to the first backplane and the second backplane by means of screw locks . The video transcoding expansion card as described in claim 6, wherein the first video transcoding module further includes a processing chip, the first substrate has a first area and a second area, and the first area is larger than the second area Two regions are close to the barrier, the processing chip is disposed in the first region and electrically connected to the first substrate, the first transcoding circuit boards are disposed in the second region, and the second transcoding circuit boards The processing chip is electrically connected through the second substrate, the at least one second main electrical connector, the at least one first main electrical connector and the first substrate. The video transcoding expansion card as described in claim 7, wherein the number of the first transcoding circuit boards is 8, and the number of the second transcoding circuit boards is 16. The video transcoding expansion card as described in claim 1, wherein each of the first transcoding circuit boards includes a first board body and two first sub-electrical connectors, each of the first transcoding circuit boards The first board is electrically connected to the first substrate through the two first sub-electrical connectors, each of the second transcoding circuit boards includes a second board and two second sub-electrical connectors, and each of the second transcoding circuit boards includes a second board and two second sub-electrical connectors. The second body of the second transcoding circuit board is electrically connected to the second substrate through the two second sub-electrical connectors. The video transcoding expansion card as described in claim 9, wherein the first body of each of the first transcoding circuit boards is spaced from the first substrate through the two first sub-electrical connectors, and each of the The second body of the second transcoding circuit board is separated from the second substrate through the two second sub-electrical connectors.

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