CN113193968A - Multi-scene compatible power supply network card device and power supply method thereof - Google Patents
Multi-scene compatible power supply network card device and power supply method thereof Download PDFInfo
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- CN113193968A CN113193968A CN202110355480.3A CN202110355480A CN113193968A CN 113193968 A CN113193968 A CN 113193968A CN 202110355480 A CN202110355480 A CN 202110355480A CN 113193968 A CN113193968 A CN 113193968A
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- power supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
Abstract
The application discloses a multi-scene compatible power supply network card device, which comprises a network card unit, an NCSI communication channel connected with the network card unit, a PCIE communication channel connected with the network card unit and a power supply module, wherein the NCSI communication channel is connected with the network card unit; the power supply module includes: the power supply circuit comprises a power supply end, a first power supply input end and a second power supply input end, wherein the power supply end is connected with the network card unit, the first power supply input end is connected with the PCIE power supply end, and the second power supply input end is connected with the NCSI power supply end; the scene judging unit is used for judging the power supply scene of the current network card device; and the action unit is used for adjusting the communication state of the switch unit according to the power supply scene. The application discloses a network card device which is connected with a plurality of power supply ends and selects a power supply path according to the effectiveness of an actual power supply scene, so that the network card device can be powered and normally work in various working environments, and the working range of the network card device is widened. Correspondingly, the application also discloses a power supply method of the network card device, and the method has the same beneficial effects.
Description
Technical Field
The invention relates to the field of network card design, in particular to a multi-scene compatible power supply network card device and a power supply method thereof.
Background
Currently, more and more Network cards are required to support the function of NCSI (Network Controller Sideband Interface), the implementation of the function often adopts a scheme of reserving an NCSI connector, and the Interface of the reserved connector of the motherboard is connected with the NCSI connector of the Network card to implement the intercommunication of NCSI signals. However, in a conventional situation, only when the server motherboard is normally powered on, the pci express (latest bus and interface standard) slot of the motherboard provides a power supply for the network card to enable the network card to normally operate, which imposes a great limitation on the NCSI function of the network card, and whether the network card can normally operate is highly dependent on the power supply, but the conventional power supply scheme obviously limits the implementation of the network card with more functions.
Therefore, how to provide a solution to the above technical problems is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a multi-scenario compatible power supply network card device and a power supply method thereof. The specific scheme is as follows:
a multi-scene compatible power supply network card device comprises a network card unit, an NCSI communication channel connected with the network card unit, a PCIE communication channel connected with the network card unit, and a power supply module for supplying power to the network card unit; the power supply module includes:
the power supply circuit comprises a power supply output end connected with the power supply end of the network card unit, a first power supply input end connected with the PCIE power supply end, and a second power supply input end connected with the switch unit of the NCSI power supply end;
the scene judging unit is used for judging the power supply scene of the current network card device;
and the action unit is used for adjusting the communication state of the switch unit according to the power supply scene.
Preferably, the power supply circuit further includes a voltage conversion unit, and the first power input end is connected to the PCIE power supply end through the voltage conversion unit.
Preferably, the scene judging unit is configured to:
and judging the power supply scene of the current network card device according to the levels of the PCIE power supply end and the NCSI power supply end.
Preferably, the action unit is specifically configured to:
when the power supply scene is that only the PCIE power supply end is powered, enabling the switch unit to be conducted with the first power supply input end;
and when the power supply scene is that only the NCSI power supply end is electrified, the switch unit is enabled to conduct the second power supply input end.
Preferably, the action unit is further configured to:
and when the power supply scene is that the PCIE power supply end and the NCSI power supply are powered, keeping the current state of the switch unit unchanged.
Preferably, the action unit is further configured to:
and when the power supply scene is that the PCIE power supply end and the NCSI power supply are both powered on, enabling the switch unit to be conducted with the first power supply input end.
Preferably, the external communication port of the NCSI communication channel and the NCSI power supply terminal are integrated in the same connector external port.
Correspondingly, the present application also discloses a power supply method for a network card device, which is applied to the network card device with multi-scenario compatible power supply as described above, and the power supply method includes:
the scene judging unit judges the power supply scene of the current network card device;
and the action unit adjusts the communication state of the switch unit according to the power supply scene.
Preferably, the process of determining the power supply scenario of the current network card device by the scenario determination unit includes:
and the scene judging unit judges the power supply scene of the current network card device according to the levels of the PCIE power supply end and the NCSI power supply end.
Preferably, the process of the action unit adjusting the state of the switch unit according to the power supply scenario includes:
when the power supply scene is that only the PCIE power supply end is powered on, the action unit enables the switch unit to be conducted with the first power supply input end;
when the power supply scene is that only the NCSI power supply end is powered, the action unit enables the switch unit to conduct the second power supply input end.
The application discloses a multi-scene compatible power supply network card device, which comprises a network card unit, an NCSI communication channel connected with the network card unit, a PCIE communication channel connected with the network card unit, and a power supply module for supplying power to the network card unit; the power supply module includes: the power supply circuit comprises a power supply output end connected with the power supply end of the network card unit, a first power supply input end connected with the PCIE power supply end, and a second power supply input end connected with the switch unit of the NCSI power supply end; the scene judging unit is used for judging the power supply scene of the current network card device; and the action unit is used for adjusting the communication state of the switch unit according to the power supply scene. The application discloses a network card device which is connected with a plurality of power supply ends and selects a power supply path according to the effectiveness of an actual power supply scene, so that the network card device can be powered and normally work in various working environments, and the working range of the network card device is widened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a structural distribution diagram of a multi-scenario compatible power supply network card device according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating steps of a power supply method for a network card device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
However, in a conventional situation, only when the server motherboard is normally powered on, the PCIE slot of the motherboard provides a power supply for the network card to enable the network card to normally operate, which imposes a great limitation on the NCSI function of the network card, and the network card has a strong dependence on power supply for normal operation, but the conventional power supply scheme obviously limits the implementation of more functions of the network card. The application discloses a network card device which is connected with a plurality of power supply ends and selects a power supply path according to the effectiveness of an actual power supply scene, so that the network card device can be powered and normally work in various working environments, and the working range of the network card device is widened.
The embodiment of the invention discloses a multi-scene compatible power supply network card device, which comprises a network card unit 1, an NCSI communication channel 2 connected with the network card unit 1, a PCIE communication channel 3 connected with the network card unit 1 and a power supply module 4 for supplying power to the network card unit 1, wherein the NCSI communication channel 2 is connected with the network card unit 1; the power supply module 4 includes:
the power supply circuit comprises a power supply output end connected with a power supply end of the network card unit 1, a first power supply input end connected with a PCIE power supply end, and a second power supply input end connected with a switch unit 411 of an NCSI power supply end;
a scene determining unit 42, configured to determine a power supply scene of the current network card device;
and an action unit 43, configured to adjust a communication state of the switch unit 411 according to a power supply scenario.
It can be understood that the power supply scenario of the current network card device includes that the network card device is powered by a PCIE slot and/or an NCSI port, which is mainly determined according to a connection relationship between the current network card device and the motherboard, if the current network card device is connected to a PCIE slot of the motherboard, a PCIE power supply end inside the network card device is connected to a power supply pin of the PCIE slot, the PCIE slot can supply power to the network card device, if the current network card device is connected to the NCSI port of the motherboard, an NCSI power supply end inside the network card device is connected to a power supply pin in the NCSI port, the NCSI port can supply power to the network card, the power supply scenario is determined by how the network card device is connected to the motherboard in actual application, the network card device cannot determine the power supply scenario, but can determine the scenario and select the power supply source.
Further, the power supply circuit 41 further includes a voltage conversion unit 412, and the first power input end is connected to the PCIE power supply end through the voltage conversion unit. In general, the voltage supplied by the power supply module 4 to the network card unit 1 is P3V 3. Usually, the power supply pin of the PCIE slot may provide a voltage of P12V, the voltage provided by the NCSI port is P3V3, and in order to ensure that the power supply of the PCIE slot is adapted to the network card unit 1, the voltage conversion unit 412 is provided in this embodiment, and the PCIE power supply terminal receives the P12V voltage of the PCIE slot, and inputs the voltage to the switch unit 411 and supplies power to the network card unit 1 after the voltage is P3V3 through the voltage conversion unit 412.
Further, the scene determining unit 42 is configured to: and judging the power supply scene of the current network card device according to the levels of the PCIE power supply end and the NCSI power supply end.
Further, the action unit 43 is specifically configured to: when the power supply scenario is that only the PCIE power supply terminal is powered, the switch unit 411 is turned on the first power supply input terminal; when the power supply scenario is that only the NCSI power supply terminal is powered, the switch unit 411 is turned on the second power supply input terminal.
It can be understood that, in the power supply scenario, only one power supply terminal is powered, so that the terminal of the switch unit 411 is turned on, and if both terminals are powered, either the original state can be kept unchanged, or a power supply input terminal can be selected to be preferred. For example, action unit 43 is also used to: when the power supply scenario is that both the PCIE power supply terminal and the NCSI power supply are powered, the current state of the switch unit 411 is kept unchanged, or the action unit 43 is further configured to: when the power supply scenario is that both the PCIE power supply terminal and the NCSI power supply are powered, the switch unit 411 is turned on the first power supply input terminal.
As can be seen, due to the arrangement of the power supply module 4 in this embodiment, the network card unit 1 can supply power compatibly in multiple scenes, even if a certain port is missing, the network card unit 1 will not stop normal power supply and work, the working environment of the network card device is expanded, and the working stability of the network card device is also improved to a certain extent.
In specific implementation, the switch unit 411 may be implemented by a selective switch chip, the scene determination unit 42 and the action unit 43 may be implemented by a CPLD or other logic circuit, the scene determination unit 42 determines whether there is electricity through levels of the PCIE power supply terminal and the NCSI power supply terminal, the action unit 43 controls an internal communication state thereof through a pin of the enable switch unit 411, so that the first power supply input terminal is enabled, the first power supply input terminal is conducted with the power supply output terminal, and the second power supply input terminal is enabled, so that the second power supply input terminal is conducted with the power supply output terminal.
Further, in implementation, the external communication port of the NCSI communication channel 2 and the NCSI power supply port are integrated into the same connector external port. That is to say, the network card device of this embodiment is provided with an external port of the connector, on which the external communication port of the NCSI communication channel 2 and the connection pin of the NCSI power supply terminal are integrated, and the NCSI port of the motherboard can be connected to the external port of the connector on the network card device through the NCSI cable, and simultaneously, the power supply and the NCSI functions of the network card unit 1 are realized.
The application discloses a multi-scene compatible power supply network card device, which comprises a network card unit, an NCSI communication channel connected with the network card unit, a PCIE communication channel connected with the network card unit, and a power supply module for supplying power to the network card unit; the power supply module includes: the power supply circuit comprises a power supply output end connected with the power supply end of the network card unit, a first power supply input end connected with the PCIE power supply end, and a second power supply input end connected with the switch unit of the NCSI power supply end; the scene judging unit is used for judging the power supply scene of the current network card device; and the action unit is used for adjusting the communication state of the switch unit according to the power supply scene. The application discloses a network card device which is connected with a plurality of power supply ends and selects a power supply path according to the effectiveness of an actual power supply scene, so that the network card device can be powered and normally work in various working environments, and the working range of the network card device is widened.
Correspondingly, the embodiment of the present application further discloses a power supply method for a network card device, which is applied to the network card device with multi-scenario compatible power supply, as shown in fig. 2, and the method includes:
s1: the scene judging unit judges the power supply scene of the current network card device;
s2: the action unit adjusts the communication state of the switch unit according to the power supply scene.
In some specific embodiments, the process of determining the power supply scenario of the current network card device by the scenario determination unit includes: and the scene judging unit judges the power supply scene of the current network card device according to the levels of the PCIE power supply end and the NCSI power supply end.
In some specific embodiments, the process of the action unit adjusting the state of the switch unit according to the power supply scenario includes: when the power supply scene is that only the PCIE power supply end is powered, the action unit enables the switch unit to be conducted with the first power supply input end; when the power supply scene is that only the NCSI power supply end is powered, the action unit enables the switch unit to conduct the second power supply input end.
In some specific embodiments, the process of the action unit adjusting the state of the switch unit according to the power supply scenario further includes: and when the power supply scene is that the PCIE power supply end and the NCSI power supply are powered, keeping the current state of the switch unit unchanged.
In some specific embodiments, the process of the action unit adjusting the state of the switch unit according to the power supply scenario further includes: and when the power supply scene is that the PCIE power supply end and the NCSI power supply are both powered on, enabling the switch unit to be conducted with the first power supply input end.
The application discloses a network card device which is connected with a plurality of power supply ends and selects a power supply path according to the effectiveness of an actual power supply scene, so that the network card device can be powered and normally work in various working environments, and the working range of the network card device is widened.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The multi-scenario compatible power supply network card device and the power supply method thereof provided by the invention are described in detail above, a specific example is applied in the text to explain the principle and the implementation of the invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A network card device with multi-scene compatible power supply is characterized by comprising a network card unit, an NCSI communication channel connected with the network card unit, a PCIE communication channel connected with the network card unit and a power supply module for supplying power to the network card unit; the power supply module includes:
the power supply circuit comprises a power supply output end connected with the power supply end of the network card unit, a first power supply input end connected with the PCIE power supply end, and a second power supply input end connected with the switch unit of the NCSI power supply end;
the scene judging unit is used for judging the power supply scene of the current network card device;
and the action unit is used for adjusting the communication state of the switch unit according to the power supply scene.
2. The network card device of claim 1, wherein the power supply circuit further comprises a voltage conversion unit, and the first power input terminal is connected to the PCIE power supply terminal through the voltage conversion unit.
3. The network card device of claim 1, wherein the scene determination unit is configured to:
and judging the power supply scene of the current network card device according to the levels of the PCIE power supply end and the NCSI power supply end.
4. The network card device of claim 3, wherein the action unit is specifically configured to:
when the power supply scene is that only the PCIE power supply end is powered, enabling the switch unit to be conducted with the first power supply input end;
and when the power supply scene is that only the NCSI power supply end is electrified, the switch unit is enabled to conduct the second power supply input end.
5. The network card device of claim 4, wherein the action unit is further configured to:
and when the power supply scene is that the PCIE power supply end and the NCSI power supply are powered, keeping the current state of the switch unit unchanged.
6. The network card device of claim 4, wherein the action unit is further configured to:
and when the power supply scene is that the PCIE power supply end and the NCSI power supply are both powered on, enabling the switch unit to be conducted with the first power supply input end.
7. The network card device of any of claims 1-6, wherein the external communication port of the NCSI communication channel and the NCSI power supply port are integrated into the same connector external port.
8. A power supply method for a network card device, which is applied to the network card device for multi-scenario compatible power supply according to any one of claims 1 to 7, the power supply method comprising:
the scene judging unit judges the power supply scene of the current network card device;
and the action unit adjusts the communication state of the switch unit according to the power supply scene.
9. The power supply method according to claim 8, wherein the process of the scene determination unit determining the current power supply scene of the network card device includes:
and the scene judging unit judges the power supply scene of the current network card device according to the levels of the PCIE power supply end and the NCSI power supply end.
10. The power supply method according to claim 9, wherein the process of the action unit adjusting the state of the switch unit according to the power supply scenario comprises:
when the power supply scene is that only the PCIE power supply end is powered on, the action unit enables the switch unit to be conducted with the first power supply input end;
when the power supply scene is that only the NCSI power supply end is powered, the action unit enables the switch unit to conduct the second power supply input end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110355480.3A CN113193968A (en) | 2021-04-01 | 2021-04-01 | Multi-scene compatible power supply network card device and power supply method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110355480.3A CN113193968A (en) | 2021-04-01 | 2021-04-01 | Multi-scene compatible power supply network card device and power supply method thereof |
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| CN113193968A true CN113193968A (en) | 2021-07-30 |
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| CN202110355480.3A Pending CN113193968A (en) | 2021-04-01 | 2021-04-01 | Multi-scene compatible power supply network card device and power supply method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204272152U (en) * | 2014-12-25 | 2015-04-15 | 浪潮电子信息产业股份有限公司 | A kind of four mouthfuls of gigabit extrapolation network interface cards of optional management function |
| CN105955439A (en) * | 2016-05-31 | 2016-09-21 | 浪潮电子信息产业股份有限公司 | Power supply device and method |
| CN107463456A (en) * | 2017-08-04 | 2017-12-12 | 郑州云海信息技术有限公司 | A kind of system and method for lifting double netcard NCSI management system switching efficiencies |
| CN109213713A (en) * | 2018-09-21 | 2019-01-15 | 郑州云海信息技术有限公司 | A kind of system for realizing network interface card hot plug |
| CN109828933A (en) * | 2019-01-30 | 2019-05-31 | 郑州云海信息技术有限公司 | A kind of implementation method of the NCSI function of NCSI function network interface card and network interface card |
| CN110649694A (en) * | 2019-09-20 | 2020-01-03 | 广东浪潮大数据研究有限公司 | NCSI network card power supply system |
| CN110704348A (en) * | 2019-08-27 | 2020-01-17 | 深圳中电长城信息安全系统有限公司 | Circuit, server and computer compatible with standard PCIE card and non-standard PCIE card |
| CN210807212U (en) * | 2019-12-23 | 2020-06-19 | 北京世宁达科技有限公司 | Power supply switching circuit of OCP network card of server |
| CN111342546A (en) * | 2020-03-27 | 2020-06-26 | 苏州浪潮智能科技有限公司 | Circuit and method for shortening dead time of network card power supply switching |
-
2021
- 2021-04-01 CN CN202110355480.3A patent/CN113193968A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204272152U (en) * | 2014-12-25 | 2015-04-15 | 浪潮电子信息产业股份有限公司 | A kind of four mouthfuls of gigabit extrapolation network interface cards of optional management function |
| CN105955439A (en) * | 2016-05-31 | 2016-09-21 | 浪潮电子信息产业股份有限公司 | Power supply device and method |
| CN107463456A (en) * | 2017-08-04 | 2017-12-12 | 郑州云海信息技术有限公司 | A kind of system and method for lifting double netcard NCSI management system switching efficiencies |
| CN109213713A (en) * | 2018-09-21 | 2019-01-15 | 郑州云海信息技术有限公司 | A kind of system for realizing network interface card hot plug |
| CN109828933A (en) * | 2019-01-30 | 2019-05-31 | 郑州云海信息技术有限公司 | A kind of implementation method of the NCSI function of NCSI function network interface card and network interface card |
| CN110704348A (en) * | 2019-08-27 | 2020-01-17 | 深圳中电长城信息安全系统有限公司 | Circuit, server and computer compatible with standard PCIE card and non-standard PCIE card |
| CN110649694A (en) * | 2019-09-20 | 2020-01-03 | 广东浪潮大数据研究有限公司 | NCSI network card power supply system |
| CN210807212U (en) * | 2019-12-23 | 2020-06-19 | 北京世宁达科技有限公司 | Power supply switching circuit of OCP network card of server |
| CN111342546A (en) * | 2020-03-27 | 2020-06-26 | 苏州浪潮智能科技有限公司 | Circuit and method for shortening dead time of network card power supply switching |
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