CN112615724A - POE load priority power supply management system - Google Patents
POE load priority power supply management system Download PDFInfo
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- CN112615724A CN112615724A CN202011206822.7A CN202011206822A CN112615724A CN 112615724 A CN112615724 A CN 112615724A CN 202011206822 A CN202011206822 A CN 202011206822A CN 112615724 A CN112615724 A CN 112615724A
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Abstract
The invention discloses a POE load priority power supply management system, which comprises a pre-power supply system and a power supply selection system, wherein the pre-power supply system is used for comparing the residual power of POE equipment with the power of PD equipment required to be subjected to a power supply request, the invention can quickly compare the residual power of the POE equipment with the power of the PD equipment required to be subjected to the power supply request by setting the pre-power supply system so as to quickly decide whether to pre-supply the POE equipment, and meanwhile, the power supply selection system can quickly determine to compare the total power of ports with lower priorities with the power of the PD equipment required to be subjected to the power supply request according to the priority relation so as to determine whether to preferentially supply the POE equipment or not, so that when the total load is insufficient, the most important channel quality guarantee amount can be preferentially ensured for supplying power, and a user can connect the most key PD equipment on a priority channel, reduce heavy loss and improve the use effect.
Description
Technical Field
The invention belongs to the field of power supply management, and particularly relates to a POE load priority power supply management system.
Background
In the current life, many enterprise level's wireless product on the market now has local adapter mains operated and POE power supply, and wherein the POE power supply forms the POE power after referring to the power that the inside PD module of product provided the PSE switch in order to convert, when POE total load is not enough, when taking not moving all PDs promptly, must appear like this when the coexistence circumstances of two kinds of power supply modes under the priority problem that needs confirm the power supply.
The traditional POE load priority power supply management system cannot guarantee power supply of the most important channel quality guarantee amount preferentially, so that great loss is caused, and after an important channel end is opened, software configuration required to be done needs to be restarted, so that disconnection reconnection is easily caused, and user experience is influenced.
The invention content is as follows:
the present invention is directed to provide a POE load priority power supply management system to solve the above problems, and solve the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a POE load priority power supply management system, includes power supply selection system and power supply selection system in advance, power supply selection system in advance is used for comparing the remaining power of POE equipment and the PD equipment power that needs to carry out the power supply request, power supply selection system is used for comparing the port total power that the priority is lower with the PD equipment power that needs to carry out the power supply request.
Preferably, the method comprises the following steps:
s1, the pre-power supply system inquires whether the port of the POE equipment has the power supply request of the PD equipment in real time;
s2, the pre-power supply system inquires the PD equipment which needs to request power supply, reads the power supply information of the PD equipment and obtains the power of the PD equipment;
s3, the pre-power supply system acquires power supply information of the current POE equipment and acquires the residual power of the current POE equipment;
s4, comparing the power of the PD device obtained in step S2 with the remaining power of the POE device obtained in step S3;
s5, if the power of the PD equipment is smaller than the residual power of the POE equipment, the port can be powered, and if the power of the PD equipment is larger than the residual power of the POE equipment, the pre-power supply system transmits power information to a power supply selection system to select the power information;
s6, the power supply selection system acquires the port priority sequence of the current POE equipment;
s7, the power supply selection system inquires all the powered ports with the priority lower than that of the current PD equipment ports;
s8, the power supply selection system calculates the total power of all the powered ports lower than the priority of the current PD equipment port;
s9, comparing the total power of all powered ports which are lower than the priority of the port of the current PD equipment and calculated in the step S8 with the power of the PD equipment;
and S10, obtaining an optimal port disconnection and connection mode or no power supply through multi-stage power comparison calculation.
Preferably, in step S3, the power supply information of the current POE device includes the maximum support power of the current POE device and the used power of the current POE device, the maximum support power of the current POE device is obtained through calculation of the rated voltage and the rated current of the current POE device, the used power of each supplied power port of the current POE device is obtained through calculation of the input voltage and the current of the supplied power port of the current POE device, the sum of the used power of each supplied power port is the used power of the current POE device, and the remaining power of the current POE device is obtained through calculation of the maximum support power of the current POE device and the used power of the current POE device.
Preferably, a power comparison module is arranged inside each of the pre-power supply system and the power supply selection system, and the step S4 and the step S8 are compared by using the power comparison module, which is used for comparing the power levels.
Preferably, control modules are arranged inside the pre-power supply system and the power supply selection system, and the control modules are used for performing control operation in each of the step S5 and the step S10, and the control modules are used for performing corresponding control operation according to the result of power comparison.
Preferably, the pre-power supply system and the power supply selection system are electrically connected through the control module.
Preferably, in step S6, power supply priorities of the plurality of POE ports need to be configured in advance.
Preferably, in the step S7, the PD device ports with a priority lower than that of the current PD device port that needs to be accessed are screened out, and sorted in order from high to low according to the priority.
Preferably, in step S8, the power of each powered port of the current POE device is obtained through calculation of the input voltage and the current of the powered port lower than the priority of the current PD device port, and the sum of the powers of each powered port is the total power of all powered ports lower than the priority of the current PD device port.
Preferably, the specific comparison flow in step S10 is as follows:
if the total power of all powered ports lower than the port priority of the current PD equipment is less than the power of the PD equipment, the ports are not powered, if the total power of all powered ports lower than the port priority of the current PD equipment is greater than the power of the PD equipment, ports lower than the current PD equipment in priority in all powered ports lower than the port priority of the current PD equipment are excluded, then the total power of the rest powered ports is compared with the power of the PD equipment, if the total power of the rest powered ports is less than the power of the PD equipment, all powered ports lower than the port priority of the current PD equipment can be disconnected, the PD equipment port is powered, if the total power of the rest powered ports is greater than the power of the PD equipment, the operation is continuously repeated, and the operation is gradually reduced until the total power of the rest powered ports is less than the power of the PD equipment, all the powered ports below the previous stage can be disconnected to supply power to the port of the PD equipment.
The invention has the beneficial effects that: the invention can quickly compare the residual power of the POE equipment with the power of the PD equipment needing to be subjected to the power supply request by setting the pre-power supply system so as to quickly decide whether to pre-supply the power, and can quickly determine to compare the total power of the port with lower priority with the power of the PD equipment needing to be subjected to the power supply request according to the priority relation by setting the power supply selection system so as to determine whether to preferentially supply the power, so that when the total load of the POE is insufficient, the most important channel quality guarantee can be preferentially ensured to supply the power, and a user can connect the most important PD equipment on a priority channel, thereby reducing the great loss and improving the use effect.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a flow chart of the system of the present invention;
fig. 2 is a power comparison flow chart of the power supply selection system of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1-2, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides a POE load priority power supply management system, includes power supply selection system and power supply selection system in advance, power supply selection system in advance is used for comparing the remaining power of POE equipment and the PD equipment power that needs to carry out the power supply request, power supply selection system is used for comparing the port total power that the priority is lower with the PD equipment power that needs to carry out the power supply request.
The method comprises the following steps:
s1, the pre-power supply system inquires whether the port of the POE equipment has the power supply request of the PD equipment in real time;
s2, the pre-power supply system inquires the PD equipment which needs to request power supply, reads the power supply information of the PD equipment and obtains the power of the PD equipment;
s3, the pre-power supply system acquires power supply information of the current POE equipment and acquires the residual power of the current POE equipment;
s4, comparing the power of the PD device obtained in step S2 with the remaining power of the POE device obtained in step S3;
s5, if the power of the PD equipment is smaller than the residual power of the POE equipment, the port can be powered, and if the power of the PD equipment is larger than the residual power of the POE equipment, the pre-power supply system transmits power information to a power supply selection system to select the power information;
s6, the power supply selection system acquires the port priority sequence of the current POE equipment;
s7, the power supply selection system inquires all the powered ports with the priority lower than that of the current PD equipment ports;
s8, the power supply selection system calculates the total power of all the powered ports lower than the priority of the current PD equipment port;
s9, comparing the total power of all powered ports which are lower than the priority of the port of the current PD equipment and calculated in the step S8 with the power of the PD equipment;
and S10, obtaining an optimal port disconnection and connection mode or no power supply through multi-stage power comparison calculation.
The power supply information of the current POE device obtained in step S3 includes the maximum support power of the current POE device and the used power of the current POE device, the maximum support power of the current POE device is obtained through calculation of the rated voltage and the rated current of the current POE device, the used power of each power supply port of the current POE device is obtained through calculation of the input voltage and the current of the power supply port of the current POE device, the sum of the used power of each power supply port is the used power of the current POE device, the remaining power of the current POE device is obtained through calculation of the maximum support power of the current POE device and the used power of the current POE device, and the power supply information of the current POE device and the remaining power of the current POE device are conveniently and better obtained.
The power comparison module is arranged inside the pre-power supply system and the power supply selection system, the power comparison module is adopted for comparison operation in the step S4 and the step S8, and the power comparison module is used for comparing the power, so that the power can be compared better.
Control modules are arranged in the pre-power supply system and the power supply selection system, the control modules are adopted for control operation in the steps S5 and S10, and the control modules are used for performing corresponding control operation according to the power comparison result, so that the operation and the use are facilitated to be better matched with the actual situation.
The pre-power supply system is electrically connected with the power supply selection system through the control module, so that data intercommunication between the pre-power supply system and the power supply selection system is better realized.
In step S6, power supply priorities of the plurality of POE ports need to be configured in advance, so that subsequent configuration and use are facilitated.
In step S7, the PD device ports with a priority lower than that of the current PD device port that needs to be accessed are screened out and sorted, and the PD device ports are sorted in order from the largest to the smallest according to the priority, which is convenient for better circuit disconnection and access operations.
In step S8, the power of each powered port of the current POE device is obtained through calculation of the input voltage and the current of the powered port lower than the priority of the current PD device port, and the sum of the powers of each powered port is the total power of all powered ports lower than the priority of the current PD device port, which is convenient for better calculating the total power of all powered ports.
Wherein, the specific comparison process in step S10 is as follows:
if the total power of all powered ports lower than the port priority of the current PD equipment is less than the power of the PD equipment, the ports are not powered, if the total power of all powered ports lower than the port priority of the current PD equipment is greater than the power of the PD equipment, ports lower than the current PD equipment in priority in all powered ports lower than the port priority of the current PD equipment are excluded, then the total power of the rest powered ports is compared with the power of the PD equipment, if the total power of the rest powered ports is less than the power of the PD equipment, all powered ports lower than the port priority of the current PD equipment can be disconnected, the PD equipment port is powered, if the total power of the rest powered ports is greater than the power of the PD equipment, the operation is continuously repeated, and the operation is gradually reduced until the total power of the rest powered ports is less than the power of the PD equipment, all the powered ports below the previous stage can be disconnected to supply power to the port of the PD equipment.
The using state of the invention is as follows: pre-configuring power supply priorities of a plurality of POE ports; the pre-power supply system inquires whether a port of the POE equipment has a PD equipment request for power supply in real time; the pre-power supply system inquires the PD equipment requiring power supply, reads the power supply information of the PD equipment and acquires the power of the PD equipment; the method comprises the steps that a pre-power supply system obtains the maximum support power of current POE equipment and the used power of the current POE equipment, the maximum support power of the current POE equipment is obtained through the calculation of the rated voltage and the rated current of the current POE equipment, the used power of each power supply port of the current POE equipment is obtained through the calculation of the input voltage and the current of the power supply port of the current POE equipment, the sum of the used power of each power supply port is the used power of the current POE equipment, and the residual power of the current POE equipment is obtained through the calculation of the maximum support power of the current POE equipment and the used power of the current POE equipment; comparing the power of the PD equipment obtained in the step with the residual power of the POE equipment obtained in the step; if the power of the PD equipment is smaller than the residual power of the POE equipment, the port can be powered, and if the power of the PD equipment is larger than the residual power of the POE equipment, the pre-power supply system transmits power information to a power supply selection system to select the power information; the power supply selection system acquires port priority sequencing of current POE equipment; the power supply selection system inquires all powered ports with the priority lower than that of the current PD equipment port, screens out the PD equipment ports with the priority lower than that of the current PD equipment port to be accessed, sorts the powered ports and sorts the powered ports in sequence from large to small according to the priority; the power supply selection system calculates the power of each powered port of the current POE equipment through the input voltage and the current of the powered port lower than the priority of the port of the current PD equipment, and the sum of the power of each powered port is the total power of all powered ports lower than the priority of the port of the current PD equipment; comparing the total power of all the powered ports which are lower than the priority of the port of the current PD equipment and are obtained by calculation in the step with the power of the PD equipment; as shown in fig. 2, if the total power of all powered ports lower than the port priority of the current PD device is less than the power of the PD device, the port is not powered, if the total power of all powered ports lower than the port priority of the current PD device is greater than the power of the PD device, the port with the priority lower than the current PD device is excluded from all powered ports lower than the port priority of the current PD device, and then the total power of the remaining powered ports is compared with the power of the PD device, if the total power of the remaining powered ports is less than the power of the PD device, all powered ports lower than the port priority of the current PD device can be disconnected, the port of the PD device is powered, and if the total power of the remaining powered ports is greater than the power of the PD device, and continuing to repeat the operation and gradually reducing the power of the rest powered ports step by step until the total power of the rest powered ports is less than the power of the PD equipment, namely disconnecting all powered ports below the previous stage and powering on the ports of the PD equipment.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The POE load priority power supply management system is characterized by comprising a pre-power supply system and a power supply selection system, wherein the pre-power supply system is used for comparing the residual power of POE equipment with the power of PD equipment needing to be subjected to a power supply request, and the power supply selection system is used for comparing the total power of ports with lower priority with the power of the PD equipment needing to be subjected to the power supply request.
2. The POE load priority power supply management system according to claim 1, comprising:
s1, the pre-power supply system inquires whether the port of the POE equipment has the power supply request of the PD equipment in real time;
s2, the pre-power supply system inquires the PD equipment which needs to request power supply, reads the power supply information of the PD equipment and obtains the power of the PD equipment;
s3, the pre-power supply system acquires power supply information of the current POE equipment and acquires the residual power of the current POE equipment;
s4, comparing the power of the PD device obtained in step S2 with the remaining power of the POE device obtained in step S3;
s5, if the power of the PD equipment is smaller than the residual power of the POE equipment, the port can be powered, and if the power of the PD equipment is larger than the residual power of the POE equipment, the pre-power supply system transmits power information to a power supply selection system to select the power information;
s6, the power supply selection system acquires the port priority sequence of the current POE equipment;
s7, the power supply selection system inquires all the powered ports with the priority lower than that of the current PD equipment ports;
s8, the power supply selection system calculates the total power of all the powered ports lower than the priority of the current PD equipment port;
s9, comparing the total power of all powered ports which are lower than the priority of the port of the current PD equipment and calculated in the step S8 with the power of the PD equipment;
and S10, obtaining an optimal port disconnection and connection mode or no power supply through multi-stage power comparison calculation.
3. The system of claim 2, wherein the power supply information of the current POE device obtained in step S3 includes a maximum supported power of the current POE device and a used power of the current POE device, the maximum supported power of the current POE device is obtained through calculation of a rated voltage and a rated current of the current POE device, the used power of each powered port of the current POE device is obtained through calculation of an input voltage and a current of a powered port of the current POE device, a sum of the used powers of the powered ports is the used power of the current POE device, and the remaining power of the current POE device is obtained through calculation of the maximum supported power of the current POE device and the used power of the current POE device.
4. The system of claim 2, wherein a power comparison module is disposed inside each of the pre-power supply system and the power supply selection system, and the power comparison module is used in each of the step S4 and the step S8 for comparing power levels.
5. The system of claim 2, wherein control modules are disposed inside the pre-power supply system and the power supply selection system, and the control modules are used in step S5 and step S10 for performing control operations, and the control modules are used for performing corresponding control operations according to the result of the power comparison.
6. The system of claim 1, wherein the pre-power-supply system is electrically connected to the power-supply selection system through a control module.
7. The system of claim 2, wherein in step S6, power priorities of the POE ports need to be preconfigured.
8. The POE load priority power supply management system according to claim 2, wherein in step S7, PD device ports with a lower priority than that currently required to be accessed are screened and sorted, and the priority is sorted from large to small.
9. The POE load priority power supply management system as claimed in claim 2, wherein in step S8, the power of each powered port of the current POE device is calculated from the input voltage and the input current of the powered port with the priority lower than that of the current PD device port, and the sum of the powers of each powered port is the total power of all powered ports with the priority lower than that of the current PD device port.
10. The system of claim 2, wherein the specific comparison procedure in step S10 is as follows:
if the total power of all powered ports lower than the port priority of the current PD equipment is less than the power of the PD equipment, the ports are not powered, if the total power of all powered ports lower than the port priority of the current PD equipment is greater than the power of the PD equipment, ports lower than the current PD equipment in priority in all powered ports lower than the port priority of the current PD equipment are excluded, then the total power of the rest powered ports is compared with the power of the PD equipment, if the total power of the rest powered ports is less than the power of the PD equipment, all powered ports lower than the port priority of the current PD equipment can be disconnected, the PD equipment port is powered, if the total power of the rest powered ports is greater than the power of the PD equipment, the operation is continuously repeated, and the operation is gradually reduced until the total power of the rest powered ports is less than the power of the PD equipment, all the powered ports below the previous stage can be disconnected to supply power to the port of the PD equipment.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113036882A (en) * | 2021-04-13 | 2021-06-25 | 北京锐星远畅科技有限公司 | Seismic exploration system and data collection and charging method |
| CN115766300A (en) * | 2022-11-08 | 2023-03-07 | 湖北师范大学 | PoE power supply power management scheduling method and scheduling system |
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| CN109981298A (en) * | 2019-04-07 | 2019-07-05 | 恒启电子（苏州）有限公司 | Industrial switch POE power management method and management system |
| CN110957696A (en) * | 2019-12-12 | 2020-04-03 | 太仓市同维电子有限公司 | Method for recovering power supply after power supply overload and power failure of POE (Power over Ethernet) equipment |
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| CN113036882A (en) * | 2021-04-13 | 2021-06-25 | 北京锐星远畅科技有限公司 | Seismic exploration system and data collection and charging method |
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