CN114665292A - Unitized switching board card and switching board card group - Google Patents

Unitized switching board card and switching board card group Download PDF

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Publication number
CN114665292A
CN114665292A CN202210181882.0A CN202210181882A CN114665292A CN 114665292 A CN114665292 A CN 114665292A CN 202210181882 A CN202210181882 A CN 202210181882A CN 114665292 A CN114665292 A CN 114665292A
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CN
China
Prior art keywords
board
circuit board
unitized
card
connector
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Pending
Application number
CN202210181882.0A
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Chinese (zh)
Inventor
程文华
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Yunjian Information Technology Co ltd
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Yunjian Information Technology Co ltd
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Publication date
Application filed by Yunjian Information Technology Co ltd filed Critical Yunjian Information Technology Co ltd
Priority to CN202210181882.0A priority Critical patent/CN114665292A/en
Publication of CN114665292A publication Critical patent/CN114665292A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention provides a unitized adapter board card and an adapter board card group, which can save space, improve sharing performance and reduce cable connection. This unitized switching integrated circuit board includes: the circuit board comprises a circuit board main body, a PCIe connector and a welding signal line, wherein the PCIe connector is electrically connected to the circuit board through the welding signal line; a conductive contact, wherein the conductive contact is disposed on the circuit board and is electrically connectable to the circuit board; and the cross board connector can be electrically connected with the circuit board and is provided with a fixed connection end fixed on the circuit board and a plugging end matched with the conductive contact. Therefore, the two unit adapter boards can be electrically connected by only inserting the conductive contact of one unit adapter board into the cross board connector of the other unit adapter board, so that centralized power supply is facilitated.

Description

Unitized switching board card and switching board card group
Technical Field
The application relates to the technical field of internet, in particular to a unitized switching board card and a switching board card set.
Background
With the rapid development of internet technology, the demand for servers is continuously expanding. Accordingly, the processing capability of the server is getting stronger, and the number of Peripheral accessories is getting more, so that the Riser board card (chinese: signal and power adapter board card; abbreviated as adapter board card) for PCIe (english: Peripheral Component Interconnect Express; chinese: high speed serial computer expansion bus standard) card in the server becomes the key point of design, because the Riser board card is one of the necessary circuit boards in the server, and the form of the Riser board card has a crucial influence on the internal space occupation, heat dissipation, cost and feasibility of the scheme, and also has a concern on the signal and power cable adapter requirements of the PCIe module.
The design of Riser board cards in the market at present can be divided into two types: one is to transmit signals and supply power to the plug-in through the golden finger plug-in mainboard; the other is connector plug-in, cable transmission signal and power supply. However, the above design has the following problems: the design of the golden finger opposite-plugging mainboard can cause the bottom space of the PCIe module to be occupied by the mainboard, so that other modules are inconvenient to carry, and the design is not suitable for the design of partial servers with requirements; the design of cable transmission signals and power supplies requires a plurality of connectors for plugging and unplugging, so that the installation is time-consuming, labor-consuming and inconvenient; meanwhile, the routing of a plurality of cables is scattered, and the heat dissipation and the attractiveness are affected.
In order to improve the space utilization rate and reduce the plugging of the connector, the existing Riser board card adopts the line card integrated design of full welding lines, namely, high-speed and low-speed signal lines and power lines are externally connected in a mode of welding lines on the board. However, the integrated wire clamp design has some disadvantages: when the board card is used under a Riser module consisting of a plurality of PCIe, the plugging quantity of the Riser connector is only reduced for each Riser board card, and the outgoing line quantity of the power supply connection between the Riser board card and the main board is not changed; the PCIe interface module and the intelligent network card can not be used independently under a single PCIe or intelligent network card module and the like, and the sharing performance is poor.
Disclosure of Invention
One advantage of the present invention is to provide a unitized patch panel card and patch panel card set that reduces cable connections while saving space and improving commonability.
Another advantage of the present invention is to provide a unitized adapter board card and an adapter board card set, wherein in an embodiment of the present invention, the unitized adapter board card can solve the problem that an existing Riser board card occupies too much space, and realizes a unitized design of board cards, which is convenient for stacking and use and has strong commonality.
Another advantage of the present invention is to provide a unitized adapter card and an adapter card set, wherein in an embodiment of the present invention, the unitized adapter card can solve the problem of more power supply lines in the existing Riser card, which is helpful for realizing centralized power supply.
Another advantage of the present invention is to provide a unitized adapter board card and an adapter board card set, wherein in an embodiment of the present invention, the unitized adapter board card, the board card stacking, and the centralized power supply scheme can effectively improve the space utilization, reduce the cable cost, optimize the heat dissipation, improve the sharing of the board cards, and simplify the installation and the disassembly.
Another advantage of the present invention is to provide a unitized adapter card and adapter card set, wherein in one embodiment of the present invention, the unitized adapter card can facilitate implementation of a server system solution, so as to bring greater material and labor cost benefits.
Another advantage of the present invention is to provide a unitized adapter card and an adapter card set, wherein in an embodiment of the present invention, the adapter card set not only can adopt flexible stacking and centralized power supply among the unitized adapter cards, but also can give consideration to flexible power supply of a GPU (english: Graphics Processing Unit; chinese: Graphics processor).
Another advantage of the present invention is to provide a unitized interposer card and interposer card set that does not require expensive materials or complex structures to achieve the above advantages. Therefore, the invention successfully and effectively provides a solution, not only provides a simple unitized adapter board card and adapter board card set, but also increases the practicability and reliability of the unitized adapter board card and adapter board card set.
Accordingly, to achieve at least one of the above advantages or other advantages and objects of the present invention, the present invention provides a unitized adapter card, comprising:
a board main body, wherein the board main body includes a circuit board, a PCIe connector, and a soldering signal line, and the PCIe connector is electrically connected to the circuit board through the soldering signal line;
a conductive contact, wherein the conductive contact is disposed on the circuit board and the conductive contact is electrically connectable to the circuit board; and
the cross board connector is electrically connected to the circuit board and has a fixing end fixed to the circuit board and a plugging end matched with the conductive contact.
According to an embodiment of the present application, the conductive contacts and the span connector are respectively located on two opposite sides of the board body, so that when the conductive contacts of one of the unit adaptor boards are plugged into the span connector of another of the unit adaptor boards, the two unit adaptor boards are stacked with each other.
According to one embodiment of the present application, the conductive contacts and the jumper connector extend oppositely from the circuit board in a height direction of the unitized patch panel card.
According to one embodiment of the present application, the mating end of the straddle mount connector has an upwardly opening mating receptacle for receivingly mating the conductive contacts.
According to an embodiment of the present application, the fixed end of the cross board connector is clamped to an upper edge of the circuit board of the board main body, and the inserting end of the cross board connector extends upward from the fixed end to protrude from the upper edge of the circuit board.
According to an embodiment of the present application, the circuit board of the board card main body is provided with an insertion notch recessed upward from a lower edge of the circuit board, and the conductive contact piece is in the insertion notch of the circuit board.
According to one embodiment of the application, the conductive contacts and the jumper connector are arranged in alignment in a height direction of the unitized patch panel card.
According to an embodiment of the present application, the unitized interposer card further includes a power connector and a signal connector, and the power connector and the signal connector are electrically connectable to the circuit board of the card body.
According to another aspect of the present application, an embodiment of the present application further provides a patch panel card set, which includes two or more of the unit patch panels described above, and the two or more of the unit patch panels are sequentially stacked for cross-board electrical connection by plugging between the conductive contacts of the unit patch panels and the cross-board connector.
According to one embodiment of the present application, the conductive contacts of the lowermost unitized patch panel card of the patch panel card set extend downwardly and convexly from the lower edge of the circuit board.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a unitized adapter card according to an embodiment of the present application;
fig. 2 is a schematic front view illustrating the unitized patch panel card according to the above embodiment of the present application;
fig. 3 is a rear view schematic diagram of the unitized patch panel card according to the above embodiment of the present application;
FIG. 4 is a schematic structural diagram of a patch panel card cluster according to one embodiment of the present application;
fig. 5 shows a first variant example of the patch panel card group according to the above-described embodiment of the present application;
fig. 6 shows a second variant example of the patch panel card package according to the above-described embodiment of the present application.
Reference numerals: 1. unitizing the switching board cards; 10. a board card main body; 11. a circuit board; 110. inserting notches; 12. a PCIe connector; 13. welding a signal wire; 20. a conductive contact; 30. a cross-board connector; 31. a fixed end; 32. a plug-in end; 320. a splicing cabin; 40. a power supply connector; 50. and a signal connector.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Consider that current Riser integrated circuit board or have space utilization low, or have many cables to walk the scattered indiscriminate, sharing nature subalternation problem of line, this application provides a unitized switching integrated circuit board and keysets group, it can be when saving space, improving sharing nature, reduce the cable and connect.
Specifically, referring to fig. 1 to 3, one embodiment of the present application provides a unitized riser card 1, which may include a card body 10, conductive contacts 20, and a cross board connector 30. The board main body 10 may include a circuit board 11, a PCIe connector 12, and a solder signal line 13, wherein the PCIe connector 12 is electrically connected to the circuit board 11 through the solder signal line 13. The conductive contact pieces 20 are provided to the circuit board 11, and the conductive contact pieces 20 are electrically connectable to the circuit board 11. The cross board connector 30 is electrically connectable to the circuit board 11, and the cross board connector 30 may have a fixing end 31 fixed to the circuit board 11 and a plugging end 32 adapted to the conductive contact 20. Thus, the two unit adapter boards 1 can be electrically connected by only plugging the conductive contact piece 20 of one unit adapter board 1 into the plugging end 32 of the jumper connector 30 of the other unit adapter board 1, so that centralized power supply is facilitated, and two power cables are not needed to be used for independently supplying power to each unit adapter board 1.
More specifically, as shown in fig. 1 and fig. 2, in the unitized patch board card 1 of the present application, the conductive contacts 20 and the cross board connector 30 are respectively located on two opposite sides of the card body 10, so that when the conductive contacts 20 of one unitized patch board card 1 are plugged into the cross board connector 30 of another unitized patch board card 1, the two unitized patch board cards 1 are stacked together, which not only helps to improve the space utilization, but also can continuously stack more unitized patch board cards 1, so that a plurality of unitized patch board cards 1 can be sequentially plugged together to realize cross board electrical connection.
It should be noted that, since the unitized patch boards 1 of the present application are provided with the conductive contacts 20 and the cross board connectors 30 that are matched with each other, so that the conductive contacts 20 on one unitized patch board 1 can be plugged into the cross board connectors 30 on another unitized patch board 1 to achieve electrical connection between the two unitized patch boards 1, in an application scenario where a plurality of PCIe cards are required to be used, only the plurality of unitized patch boards 1 need to be stacked together in sequence, so that the conductive contacts 20 of one unitized patch board 1 are plugged into the cross board connectors 30 of an adjacent unitized patch board 1, and the conductive contacts 20 of another adjacent unitized patch board 1 are plugged into the cross board connectors 30 of the one unitized patch board 1, thereby achieving electrical connection between the plurality of unitized patch boards 1, so as to supply power in a centralized manner, and the quantity of outgoing lines connected with a power supply butted with the mainboard can be reduced.
For example, as shown in fig. 1 and 2, the circuit board 11 of the board main body 10 of the unitized relay board 1 has a generally rectangular configuration, and the short side of the circuit board 11 defines the height direction of the unitized relay board 1. At this time, the conductive contacts 20 and the span connector 30 in the unitized patch board 1 may extend oppositely from the circuit board 11 in the height direction of the unitized patch board 1. For example, the conductive contacts 20 may extend downward in the height direction from the circuit board 11, and accordingly the jumper connector 30 may extend upward in the height direction from the circuit board 11. Like this, when a plurality of electrically conductive contact 20 in the unit switching integrated circuit board 1 is pegged graft in stride board connector 30 correspondingly in proper order, a plurality of unit switching integrated circuit board 1 will pile up in proper order in the direction of height, helps connecting a plurality of PCIe cards conveniently, can not excessively increase occupation space, is convenient for improve space utilization.
Optionally, as shown in fig. 1, the plugging end 32 of the span connector 30 has a plugging compartment 320 with an upward opening for receiving and plugging the conductive contacts 20 of another one of the modular patch panels 1, so as to achieve a reliable stacking between two of the modular patch panels 1 while achieving an electrical connection between two of the modular patch panels 1.
Alternatively, as shown in fig. 1 and 2, the fixed end 31 of the cross board connector 30 of the unitized patch board 1 is clamped to the upper edge of the circuit board 11 of the board main body 10, and the plugging end 32 of the cross board connector 30 extends upward from the fixed end 31 to protrude from the upper edge of the circuit board 11.
Optionally, the circuit board 11 of the board main body 10 of the unitized patch board 1 is provided with an insertion notch 110 that is recessed upward from a lower edge of the circuit board 11, and the conductive contact pads 20 are located in the insertion notch 110 of the circuit board 11. Thus, when the conductive contacts 20 of one modular patch card 1 are plugged into the plug-in cavities 320 of the jumper connectors 30 of another modular patch card 1, the jumper connectors 30 protruding from the upper edge of the circuit board 11 will be received in the plug-in notches 110 recessed from the lower edge of the circuit board 11, so that the upper edge of one circuit board 11 can be close to the lower edge of another circuit board 11, which helps to improve space utilization.
Preferably, the conductive contacts 20 and the cross board connector 30 in each of the unit patch boards 1 are aligned in the height direction, so that when the conductive contacts 20 in one unit patch board 1 are plugged into the plugging chambers 320 of the cross board connector 30 in another unit patch board 1, two unit patch boards 1 are stacked in alignment with each other.
It is noted that the conductive contacts 20 of the unitary patch board card 1 of the present application may be implemented as, but not limited to, gold fingers for all signal transmission. In other words, the conductive contacts 20 of the present application may be implemented as, but are not limited to, surface gold plated contacts, collectively referred to as gold fingers, such that all signals are transmitted through the gold fingers. It can be understood that, in addition to being able to be plugged into the cross board connector 30 of another unit patch board 1 for electrical connection, the conductive contacts 20 of the unit patch board 1 of the present application can also be directly plugged into a motherboard, so that the unit patch board 1 is electrically connected to the motherboard without using an external cable to electrically connect to the motherboard.
According to the above-mentioned embodiment of the present application, as shown in fig. 1 and fig. 2, the unitized patch board card 1 may further include a power connector 40 and a signal connector 50, wherein the power connector 40 and the signal connector 50 are electrically connectable to the circuit board 11 of the card body 10. In this way, when the unitized adapter card 1 is used as a low-cost single card, the power connector 40 and the signal connector 50 can be used as input ports for inputting signals and power; of course, in other examples of the present application, the power connector 40 and the signal connector 50 may also be used as output ports to electrically connect to a smart card or a GPU (Graphics Processing Unit; graphic processor, chinese) for flexible power supply.
Alternatively, the signal connector 50 mentioned in this application may be, but is not limited to being, implemented as a low speed signal connector.
According to another aspect of the present application, as shown in fig. 4, an embodiment of the present application further provides a patch panel card group, which includes two or more of the above-mentioned unit patch panel cards 1, and two or more of the unit patch panel cards 1 are sequentially stacked to be arranged, so as to perform a cross-board electrical connection through the plugging between the conductive contacts 20 and the cross-board connector 30 in the unit patch panel cards 1, which is not only convenient for centralized power supply, reduces cable cost, optimizes heat dissipation, but also can effectively improve space utilization, facilitates disassembly and assembly, and improves the sharing performance of the Riser card.
It should be noted that, in the above embodiment of the present application, the power connector 40 of one of the unitized patch boards 1 in the patch board card set can be electrically connected to a motherboard, so as to serve as an input end to collectively supply power to the patch board card set; the power connector 40 of another unitized adapter board card 1 in the adapter board card set can be electrically connected with the GPU to serve as an output end for flexibly supplying power to the GPU.
Of course, in the first modified example of the present application, as shown in fig. 5, the jumper connector 30 may not be mounted on the uppermost modular patch board card 1 in the patch board card group, and the power connector 40 and the signal connector 50 may be mounted on only the lowermost modular patch board card 1 in the patch board card group.
Alternatively, in the second modified example of the present application, as shown in fig. 6, the lowest modular patch board card 1 in the patch board card set may be electrically connected to the main board directly through the conductive contacts 20 of the lowest modular patch board card 1 to transmit signals and supply power without mounting the power connector 40 and the signal connector 50. At this moment, this application the keyset card group can cancel all external cables, is favorable to the heat dissipation and beautifully inner structure, the installation of being convenient for.
Alternatively, in the second modified example of the present application, as shown in fig. 6, the conductive contacts 20 in the lowermost unitized interposer card 1 are extended to protrude downward from the lower edge of the circuit board 11 so as to be plugged into a main board for electrical connection.
In conclusion, the scheme of unitization, board stacking and centralized power supply of the Riser board cards is realized, the space utilization rate can be effectively improved, the cable cost is reduced, the heat dissipation is optimized, the sharing performance of the Riser board cards is improved, the installation and the disassembly are simple and convenient, the implementation of the scheme of a server system is facilitated, and the great material and labor cost benefits can be brought.
The technical features of the embodiments described above can be combined without changing the basic principle of the present invention, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as the scope of the present description as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. Unitized switching integrated circuit board, its characterized in that includes:
a board main body, wherein the board main body includes a circuit board, a PCIe connector, and a soldering signal line, and the PCIe connector is electrically connected to the circuit board through the soldering signal line;
a conductive contact, wherein the conductive contact is disposed on the circuit board and the conductive contact is electrically connectable to the circuit board; and
the cross board connector is electrically connected to the circuit board and has a fixing end fixed to the circuit board and a plugging end matched with the conductive contact.
2. The unitized interposer card of claim 1 wherein the conductive contacts and the cross-board connector are located on opposite sides of the card body, respectively, such that when the conductive contacts of one of the unitized interposer cards are mated with the cross-board connector of another of the unitized interposer cards, the two unitized interposer cards are stacked on each other.
3. The unitized patch card of claim 2, wherein the conductive contacts and the jumper connector extend oppositely from the circuit board in a height direction of the unitized patch card.
4. The unitized patch card of claim 3, wherein the mating end of the cross-board connector has an upwardly opening mating cavity for receivingly mating the conductive contacts.
5. The unitized interposer card of claim 4, wherein the securing end of the interposer connector is captured by an upper edge of the circuit board of the card body, and the mating end of the interposer connector extends upwardly from the securing end to project above the upper edge of the circuit board.
6. The unitized transfer board of claim 5, wherein the circuit board of the board body is provided with a mating notch that is recessed upward from a lower edge of the circuit board, and the conductive contacts are in the mating notch of the circuit board.
7. The unitized patch card of claim 1, wherein the conductive contacts and the jumper connector are arranged in alignment in a height direction of the unitized patch card.
8. The unitized patch card of any one of claims 1-7, wherein the unitized patch card further comprises a power connector and a signal connector, and the power connector and the signal connector are electrically energizable to the circuit board of the card body.
9. A patch panel card assembly comprising two or more of the unitary patch panels of any of claims 1-8, wherein two or more of the unitary patch panels are arranged in a stacked configuration for cross-panel electrical connection by mating of conductive contacts of the unitary patch panels with a cross-panel connector.
10. The patch panel card assembly of claim 9, wherein the conductive contacts of the lowermost unitary patch panel card of the patch panel card assembly extend downwardly and project from the lower edge of the circuit board.
CN202210181882.0A 2022-02-25 2022-02-25 Unitized switching board card and switching board card group Pending CN114665292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210181882.0A CN114665292A (en) 2022-02-25 2022-02-25 Unitized switching board card and switching board card group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210181882.0A CN114665292A (en) 2022-02-25 2022-02-25 Unitized switching board card and switching board card group

Publications (1)

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CN114665292A true CN114665292A (en) 2022-06-24

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203595974U (en) * 2013-12-05 2014-05-14 浪潮电子信息产业股份有限公司 RISER board card of unit connector
CN214504406U (en) * 2021-03-19 2021-10-26 北京北变智达科技有限公司 Efficient module interface expansion board card and cascade system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203595974U (en) * 2013-12-05 2014-05-14 浪潮电子信息产业股份有限公司 RISER board card of unit connector
CN214504406U (en) * 2021-03-19 2021-10-26 北京北变智达科技有限公司 Efficient module interface expansion board card and cascade system

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