Power supply management method for wireless network base station

Through POE equipment, intelligent identification and power consumption evaluation of wireless network base station PD equipment, dynamically adjust power supply parameters, solve the problems of inefficiency and energy waste of traditional power supply methods, and realize intelligent power supply and high-efficiency utilization.

CN119628977AInactive Publication Date: 2025-03-14HUANENG GONGHE SOLAR POWER CO LTD
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Patent Information

Application Number
CN202411551568.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-03-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The traditional wireless network base station power supply method has problems such as low power supply efficiency, serious energy waste, and the power supply parameters cannot be dynamically adjusted according to equipment needs.

Method used

Through the POE device, intelligent identification and power consumption evaluation of the PD device, the target power loss is obtained, and the key power supply parameters of the POE device are adjusted accordingly to achieve intelligent power supply to the PD device. When the PD device is disconnected, the POE device responds quickly and cuts off power supply, repeatedly identifying and power supply.

Benefits of technology

It effectively realizes intelligent identification of power-receiving equipment and improves power supply efficiency, reduces energy waste, and can dynamically adjust power supply parameters according to equipment needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a wireless network base station power supply management method, which relates to the technical field of power supply management, and comprises the following steps: performing intelligent identification on PD equipment by POE (Power Over Ethernet) equipment, and evaluating the power of the current PD equipment when corresponding standards are met to obtain target power loss; adjusting key power supply parameters of the current POE equipment based on the target power loss and then supplying power to the PD equipment; and when the PD equipment is disconnected, the POE equipment quickly responds and cuts off power supply, and PD equipment identification and power supply are repeated. Performing intelligent identification and power consumption evaluation on the PD equipment through the POE equipment to obtain target power loss; after key power supply parameters of the POE equipment are adjusted based on the target power loss, power is supplied to the PD equipment; when the PD device is disconnected, the POE device quickly responds and cuts off power supply, PD device identification and power supply are repeated, intelligent identification of the powered device is effectively achieved, and the power supply efficiency is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of power supply management, and in particular to a power supply management method for a wireless network base station. Background Art

[0002] In recent years, with the rapid development of wireless network technology, wireless network base stations, as an important part of the communication network, are crucial to ensure the quality of communication. The traditional power supply method for wireless network base stations has problems such as low power supply efficiency, serious energy waste, and the inability to dynamically adjust power supply parameters according to equipment requirements. Therefore, how to intelligently identify the powered device and dynamically adjust the power supply parameters of the POE device according to its needs to improve power supply efficiency has become one of the current research topics.

[0003] Therefore, the present invention provides a method for managing power supply of a wireless network base station. Summary of the invention

[0004] The present invention provides a wireless network base station power supply management method, which is used to obtain a target power loss by intelligently identifying and evaluating the power consumption of a PD device through a POE device; after adjusting the key power supply parameters of the POE device based on the target power loss, the PD device is powered; when the PD device is disconnected, the POE device quickly responds and cuts off the power supply, and repeats the PD device identification and power supply, thereby effectively realizing the intelligent identification of the powered device and improving the power supply efficiency.

[0005] The present invention provides a wireless network base station power supply management method, comprising:

[0006] Step 1: The POE device intelligently identifies the PD device, and when it meets the corresponding standards, it evaluates the power of the current PD device to obtain the target power loss;

[0007] Step 2: After adjusting the key power supply parameters of the current POE device based on the target power loss, power is supplied to the PD device;

[0008] Step 3: When the PD device is disconnected, the POE device responds quickly and cuts off the power supply, and repeats the PD device identification and power supply.

[0009] Preferably, the POE device intelligently identifies the PD device, and when it meets the corresponding standards, evaluates the power of the current PD device to obtain the target power loss, including:

[0010] Initializing the current POE device, and the POE device outputs a first detection signal from a set port;

[0011] When the cable terminal of the POE device is connected to the PD device, the PD device receives the first detection signal and performs standard identification;

[0012] If the PD device meets the predefined standard of the current POE device, sending a first identification signal to the POE device through a specific resistor combination;

[0013] The POE device receives and extracts the signal characteristics of the first identification signal to obtain key signal characteristics;

[0014] Classifying the current PD device according to the key signal characteristics, and determining a corresponding first power level from a corresponding preset power configuration table;

[0015] Extracting an initial power supply parameter combination matching the first power level from a preset power supply configuration table;

[0016] After configuring the initial power supply parameter combination for the current POE device, the POE device evaluates the power loss of the current PD device to obtain the target power loss.

[0017] Preferably, the POE device evaluates the power loss of the current PD device to obtain the target power loss, including:

[0018] Acquire a first current value obtained by the current PD device from the POE device within a preset time period when no data transmission or function operation is performed;

[0019] constructing a first current curve in time sequence using the first current value;

[0020] Extracting curve features of the first current curve and performing weighted averaging to obtain a first current variation coefficient;

[0021] Using the first current variation coefficient, the static current value obtained by the PD device from the POE device at the current moment is adjusted to obtain a target static current value;

[0022] The target static current value is multiplied by the power supply voltage of the POE device to obtain static power consumption, and output it as the target power loss;

[0023] The POE device sends a preset amount of analog data traffic to the current PD device according to the set data transmission rate;

[0024] Measuring a second current value obtained by the current PD device from the POE device during the process of transmitting the simulated data traffic at the set data transmission rate;

[0025] constructing a second current curve in a time sequence using the second current value;

[0026] Extracting curve features of the second current curve and performing weighted averaging to obtain a second current variation coefficient;

[0027] Determining a first adjustment coefficient based on the second current variation coefficient and a set data transmission rate;

[0028] Using the first adjustment coefficient, the dynamic current value obtained by the PD device from the POE device at the current moment is adjusted to obtain a target dynamic current value;

[0029] The target dynamic current value is multiplied by the power supply voltage of the POE device to obtain dynamic power consumption, which is output as the target power loss.

[0030] Preferably, the calculation formula of the first adjustment coefficient is as follows:

[0031] Where D1 is the first adjustment coefficient; γ1 is the weight of the influence of data transmission rate on current change; d i It is represented as the corresponding second current variation coefficient for data transmission using the i-th set data transmission rate; c i It is represented as the i-th set data transmission rate, where i=1, 2, 3, ..., n; n is represented as the number of set data transmission rates; δ is represented as the loss compensation factor.

[0032] Preferably, after adjusting the key power supply parameters of the current POE device based on the target power loss, powering the PD device includes:

[0033] After adjusting the key power supply parameters of the current POE device based on the target power loss, an adjusted parameter is obtained;

[0034] After the POE device is configured with the adjusted parameters, it supplies power to the current PD device;

[0035] Monitor the power supply process of the POE device to the current PD device in real time to obtain a first power supply process parameter;

[0036] When a first power supply process parameter exceeds a corresponding set power supply process parameter threshold, the corresponding first power supply process parameter is regarded as an abnormal parameter;

[0037] Taking the abnormal parameter as a matching condition, extracting a corresponding processing strategy from a set abnormal parameter-processing strategy mapping table as the abnormal processing strategy;

[0038] The abnormality handling strategy is executed to handle the current power supply abnormality.

[0039] Preferably, the key power supply parameters refer to the output voltage and output current of the POE device.

[0040] Preferably, after adjusting the power supply parameters of the current POE device based on the target power loss, the adjusted parameters are obtained, including:

[0041] The target power loss is compared with a set power loss threshold, and if the target power loss is less than the set power loss threshold, the key power supply parameters of the current POE device are output as adjusted parameters;

[0042] If the target power loss is not less than the set power loss threshold, subtract the set power loss threshold from the target power loss to obtain a first loss difference;

[0043] Based on the analysis of factors affecting power consumption, the first loss difference is calculated to obtain a second loss difference;

[0044] The calculation formula of the second loss difference is as follows:

[0045] In the formula, P2 represents the second loss difference; P1 represents the first loss difference; x1 represents the current key power supply parameter; ε1 represents the influence weight of the value of the key power supply parameter on the power loss; x w Expressed as network cable resistance; ε w It is expressed as the weight of the influence of network cable resistance on power loss; x l Expressed as power supply distance; ε l It is represented as the weight of the impact of power supply distance on power loss; γ is represented as the balance factor of power consumption impact;

[0046] Taking the second loss difference as a matching condition, extracting a parameter adjustment value of a current key power supply parameter from a set loss-parameter mapping table;

[0047] The current key power supply parameters are adjusted based on the parameter adjustment values ​​to obtain adjusted parameters.

[0048] Preferably, when the PD device is disconnected, the POE device quickly responds and cuts off the power supply, and repeats the PD device identification and power supply, including:

[0049] The POE device detects the connection status of the current PD device in real time through the set port;

[0050] When it is detected that the current PD device is disconnected, the power supply to the current PD device will be stopped within the set stop time period;

[0051] After resetting the power supply state of the POE device to the initial state, the POE device repeats the detection process to detect whether the terminal of the cable is reconnected to the PD device; and when a new PD device connection is detected, the POE device restarts the power consumption analysis and power supply operation.

[0052] Compared with the prior art, the present invention has the following beneficial effects:

[0053] The POE device intelligently identifies the PD device and evaluates the power consumption to obtain the target power loss; after adjusting the key power supply parameters of the POE device based on the target power loss, the PD device is powered; when the PD device is disconnected, the POE device quickly responds and cuts off the power supply, repeating the PD device identification and power supply, effectively realizing the intelligent identification of the powered device and improving the power supply efficiency.

[0054] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0055] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0057] Figure 1 The present invention is a flowchart of a method for managing power supply of a wireless network base station according to an embodiment of the present invention. DETAILED DESCRIPTION

[0058] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0059] The embodiment of the present invention provides a wireless network base station power supply management method, such as Figure 1 As shown, including:

[0060] Step 1: The POE device intelligently identifies the PD device, and when it meets the corresponding standards, it evaluates the power of the current PD device to obtain the target power loss;

[0061] Step 2: After adjusting the key power supply parameters of the current POE device based on the target power loss, power is supplied to the PD device;

[0062] Step 3: When the PD device is disconnected, the POE device responds quickly and cuts off the power supply, and repeats the PD device identification and power supply.

[0063] In this embodiment, the POE device refers to a device that supports the Ethernet power supply function, which can provide DC power supply to some IP-based terminals while transmitting data signals to such devices through Ethernet cables; the PD device refers to a PSE load that receives power, that is, a POE client device, which can receive DC power from POE and transmit data signals at the same time after being connected to the POE device through a network cable. Common PD devices include IP phones, network security cameras, APs, etc.; the key power supply parameters refer to the output current and output voltage of the POE device; the target power loss refers to the static loss and dynamic loss.

[0064] The beneficial effects of the above technical solution are: the target power loss is obtained by intelligently identifying the PD device and evaluating the power consumption through the POE device; the PD device is powered after adjusting the key power supply parameters of the POE device based on the target power loss; when the PD device is disconnected, the POE device responds quickly and cuts off the power supply, repeating the PD device identification and power supply, effectively realizing the intelligent identification of the powered device and improving the power supply efficiency.

[0065] The embodiment of the present invention provides a wireless network base station power supply management method, wherein a POE device intelligently identifies a PD device, and when the corresponding standard is met, the power of the current PD device is evaluated to obtain a target power loss, including:

[0066] Initializing the current POE device, and the POE device outputs a first detection signal from a set port;

[0067] When the cable terminal of the POE device is connected to the PD device, the PD device receives the first detection signal and performs standard identification;

[0068] If the PD device meets the predefined standard of the current POE device, sending a first identification signal to the POE device through a specific resistor combination;

[0069] The POE device receives and extracts the signal characteristics of the first identification signal to obtain key signal characteristics;

[0070] Classifying the current PD device according to the key signal characteristics, and determining a corresponding first power level from a corresponding preset power configuration table;

[0071] Extracting an initial power supply parameter combination matching the first power level from a preset power supply configuration table;

[0072] After configuring the initial power supply parameter combination for the current POE device, the POE device evaluates the power loss of the current PD device to obtain the target power loss.

[0073] In this embodiment, the POE device refers to a device that supports the Ethernet power supply function, which can transmit data signals to some IP-based terminals through Ethernet cables while providing DC power to such devices; initializing the POE device includes starting the POE device, configuring the POE device, and preparing a detection signal, wherein starting the POE device means ensuring that the POE device is properly connected to the power supply and network, and starting its operating system; configuring the POE device means configuring the parameters of the POE device, including setting ports, detection signal parameters, and predefined standards, etc.; the set port is a pre-set port for outputting detection signals; the first detection signal refers to a low-voltage, low-current signal.

[0074] In this embodiment, the PD device refers to a PSE load that receives power, that is, a POE client device. After being connected to the POE device through a network cable, it can receive DC power from the POE and transmit data signals at the same time. Common PD devices include IP phones, network security cameras, APs, etc. The predefined standard is a standard predetermined by the POE device, such as the IEEE802.3af standard; the specific resistance combination is a circuit combination selected by the internal circuit of the PD device based on the type of the current PD device, such as 25kΩ in parallel with an optional 440μF capacitor; the first identification signal refers to a signal containing the characteristics of the specific resistance combination sent by the POE device, which is used It is used to express itself as legal and in compliance with the predefined standards of the current POE device; the key signal feature refers to the signal feature of the first identification signal, such as resistance value and resistance combination; the preset power configuration table refers to the power configuration table predefined for the PD device; the first power level is the power level screened out from the preset power configuration table with the key signal feature as the matching condition; power loss refers to the power loss assessment of the current PD device by the POE device based on the evaluation results of the PD device classification and power level; the preset power supply configuration table is composed of the first power level and the corresponding initial power supply parameter combination, wherein the initial power supply parameter combination refers to the power supply configuration of the POE device, such as the output current.

[0075] The beneficial effect of the above technical solution is: through intelligent identification, compatibility detection and power management of PD devices connected to the cable terminals of POE devices, it can help to achieve accurate power supply, avoid overload or insufficient power, thereby improving power supply efficiency and equipment stability.

[0076] The embodiment of the present invention provides a wireless network base station power supply management method, wherein a POE device evaluates the power loss of a current PD device to obtain a target power loss, including:

[0077] Acquire a first current value obtained by the current PD device from the POE device within a preset time period when no data transmission or function operation is performed;

[0078] constructing a first current curve in time sequence using the first current value;

[0079] Extracting curve features of the first current curve and performing weighted averaging to obtain a first current variation coefficient;

[0080] Using the first current variation coefficient, the static current value obtained by the PD device from the POE device at the current moment is adjusted to obtain a target static current value;

[0081] The target static current value is multiplied by the power supply voltage of the POE device to obtain static power consumption, and output it as the target power loss;

[0082] The POE device sends a preset amount of analog data traffic to the current PD device according to the set data transmission rate;

[0083] Measuring a second current value obtained by the current PD device from the POE device during the process of transmitting the simulated data traffic at the set data transmission rate;

[0084] constructing a second current curve in a time sequence using the second current value;

[0085] Extracting curve features of the second current curve and performing weighted averaging to obtain a second current variation coefficient;

[0086] Determining a first adjustment coefficient based on the second current variation coefficient and a set data transmission rate;

[0087] Using the first adjustment coefficient, the dynamic current value obtained by the PD device from the POE device at the current moment is adjusted to obtain a target dynamic current value;

[0088] The target dynamic current value is multiplied by the power supply voltage of the POE device to obtain dynamic power consumption, which is output as the target power loss.

[0089] In this embodiment, the preset time period is pre-set; the first current value refers to the static current value measured when the current PD device is not performing any data transmission or functional operation and obtained from the POE device; the first current curve is a curve constructed in time sequence by the first current value obtained in the preset time period; the curve characteristics include the slope of the curve, the sum of the deviations between the extreme points and the average value, the curvature and the acceleration; the first current change coefficient is the coefficient obtained by weighted averaging the curve characteristics of the first current curve, wherein the weight assigned to the curve characteristics is obtained by solving the matrix constructed by using the hierarchical analysis method to compare the trend characteristics pairwise and score the relative importance.

[0090] In this embodiment, the target static current value is obtained by adjusting the current value obtained by the PD device from the POE device at the current moment by using the first current change coefficient. For example, at the current moment, there is a static circuit value a1 and a first current change coefficient f1. At this time, the target static current value a2=a1+e -f1 .

[0091] In this embodiment, the power supply voltage refers to the DC voltage of the POE device that powers the network device through an Ethernet cable, such as a 48V DC power supply; the static power consumption is calculated by multiplying the target static current value by the power supply voltage of the POE device; the set data transmission rate is predetermined; the second current value refers to the dynamic current value obtained by the current PD device from the POE device during the process of transmitting analog data traffic at the set data transmission rate; the second current curve is a curve constructed in time series using the second current value; the second current change coefficient is a coefficient obtained by weighted averaging the curve characteristics of the second current curve, wherein the weight assigned to the curve characteristics is obtained by solving a matrix constructed by comparing the curve characteristics pairwise and scoring the relative importance using the hierarchical analysis method; the curve characteristics include the slope of the curve, the sum of the deviations of the extreme points from the average value, the curvature, and the acceleration.

[0092] In this embodiment, the target dynamic current value is obtained by adjusting the dynamic current value obtained by the PD device from the POE device at the current moment using the first adjustment coefficient; the dynamic power consumption is calculated by multiplying the target dynamic current value by the power supply voltage of the POE device.

[0093] In this embodiment, for example, at the current moment there is a dynamic current value b1 and a first adjustment coefficient f2. At this time, the target dynamic current value b2=b1+e -f2 .

[0094] The beneficial effect of the above technical solution is: by accurately evaluating the power consumption of the PD device in static and dynamic states, it provides an effective means for optimizing the energy efficiency of the device and improving the accuracy of power loss evaluation, which is beneficial to improving the power supply efficiency and the stability of the device.

[0095] An embodiment of the present invention provides a method for managing power supply of a wireless network base station. The calculation formula of the first adjustment coefficient is as follows:

[0096] Where D1 is the first adjustment coefficient; γ1 is the weight of the influence of data transmission rate on current change; d i It is represented as the corresponding second current variation coefficient for data transmission using the i-th set data transmission rate; c iIt is represented as the i-th set data transmission rate, where i=1, 2, 3, ..., n; n is represented as the number of set data transmission rates; δ is represented as the loss compensation factor.

[0097] The beneficial effect of the above technical solution is: by calculating the first adjustment coefficient to adjust the dynamic current value, the current dynamic power consumption can be effectively obtained, laying the foundation for the POE device to accurately provide power to the current PD device, thereby improving the power supply efficiency.

[0098] An embodiment of the present invention provides a wireless network base station power supply management method, which adjusts the key power supply parameters of the current POE device based on the target power loss and then supplies power to the PD device, including:

[0099] After adjusting the key power supply parameters of the current POE device based on the target power loss, an adjusted parameter is obtained;

[0100] After the POE device is configured with the adjusted parameters, it supplies power to the current PD device;

[0101] Monitor the power supply process of the POE device to the current PD device in real time to obtain a first power supply process parameter;

[0102] When a first power supply process parameter exceeds a corresponding set power supply process parameter threshold, the corresponding first power supply process parameter is regarded as an abnormal parameter;

[0103] Taking the abnormal parameter as a matching condition, extracting a corresponding processing strategy from a set abnormal parameter-processing strategy mapping table as the abnormal processing strategy;

[0104] The abnormality handling strategy is executed to handle the current power supply abnormality.

[0105] In this embodiment, the target power loss refers to the static loss and the dynamic loss; the key power supply parameters refer to the output voltage and the output current of the POE device; the adjusted parameters refer to the output voltage and the output current of the POE device after adjustment; the first power supply process parameter refers to the parameter that changes during the power supply process of the POE device to the PD device, such as power consumption, output current, etc.; the power supply process parameter threshold is set in advance; power supply abnormalities include overload, short circuit, etc.; the abnormal parameter-processing strategy mapping table is set in advance, and is composed of abnormal parameters and corresponding processing strategies; the abnormal processing strategy refers to using the abnormal parameters as matching conditions, and extracting the corresponding processing strategy from the abnormal parameter-processing strategy mapping table, such as cutting off the power supply.

[0106] The beneficial effects of the above technical solution are: by adjusting the key power supply parameters of the POE device based on the target power loss, the power supply efficiency can be maximized; the power supply process of the POE device to the PD device is monitored in real time, so that abnormal conditions in the power supply process can be discovered in time, and when abnormal parameters are detected, a rapid response can be made to avoid further deterioration of the problem.

[0107] An embodiment of the present invention provides a wireless network base station power supply management method, which adjusts the power supply parameters of the current POE device based on the target power loss to obtain the adjusted parameters, including:

[0108] The target power loss is compared with a set power loss threshold, and if the target power loss is less than the set power loss threshold, the key power supply parameters of the current POE device are output as adjusted parameters;

[0109] If the target power loss is not less than the set power loss threshold, subtract the set power loss threshold from the target power loss to obtain a first loss difference;

[0110] Based on the analysis of factors affecting power consumption, the first loss difference is calculated to obtain a second loss difference;

[0111] The calculation formula of the second loss difference is as follows:

[0112] In the formula, P2 represents the second loss difference; P1 represents the first loss difference; x1 represents the current key power supply parameter; ε1 represents the influence weight of the value of the key power supply parameter on the power loss; x w Expressed as network cable resistance; ε w It is expressed as the weight of the influence of network cable resistance on power loss; x l Expressed as power supply distance; ε l It is represented as the weight of the impact of power supply distance on power loss; γ is represented as the balance factor of power consumption impact;

[0113] Taking the second loss difference as a matching condition, extracting a parameter adjustment value of a current key power supply parameter from a set loss-parameter mapping table;

[0114] The current key power supply parameters are adjusted based on the parameter adjustment values ​​to obtain adjusted parameters.

[0115] In this embodiment, the power loss threshold is set in advance; the key power supply parameters refer to the output current and output voltage of the POE device; the first loss difference refers to the value of the target power loss minus the set power loss threshold; the influence weights of the key power supply parameters, network cable resistance and power supply distance on the power loss are obtained by solving the matrix constructed after pairwise comparison and relative importance scoring using the hierarchical analysis method; the second loss difference is obtained by calculating the first loss difference currently obtained; the loss-parameter mapping table is set to consist of the second loss difference, the key power supply parameters and the corresponding parameter adjustment values ​​of the key power supply parameters, wherein the parameter adjustment value is not equal to 0; the adjusted parameter refers to the parameter obtained after adjusting the current key power supply parameter.

[0116] The beneficial effect of the above technical solution is: by comparing the target power loss with the preset power loss threshold and adjusting the key power supply parameters of the current POE device according to the comparison result, it helps to optimize the power loss and improve the power supply efficiency.

[0117] The embodiment of the present invention provides a wireless network base station power supply management method, when the PD device is disconnected, the POE device quickly responds and cuts off the power supply, and repeats the PD device identification and power supply, including:

[0118] The POE device detects the connection status of the current PD device in real time through the set port;

[0119] When it is detected that the current PD device is disconnected, the power supply to the current PD device will be stopped within the set stop time period;

[0120] After resetting the power supply state of the POE device to the initial state, the POE device repeats the detection process to detect whether the terminal of the cable is reconnected to the PD device; and when a new PD device connection is detected, the POE device restarts the power consumption analysis and power supply operation.

[0121] In this embodiment, the setting port is pre-set and is used to detect the connection status of the cable terminal of the current PD device and the POE device; the setting stop time period is pre-set and is the time window for the POE device to stop supplying power, the purpose of which is to ensure that the power supply is not immediately cut off when the PD device is temporarily disconnected, so as to avoid unnecessary interference or damage; the initial state refers to the initialization state of the POE device; the power consumption analysis refers to the analysis of the static power consumption and dynamic power consumption generated in the process of the POE device supplying power to the PD device.

[0122] The beneficial effect of the above technical solution is: the connection status of the current PD device is detected in real time through the POE device, and the power supply is stopped after the PD device is detected to be disconnected, and then the power supply status is reset and the detection process is repeated, which not only improves the power supply efficiency and safety, but also protects the PD device and cables.

[0123] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A wireless network base station power supply management method, characterized in that: include: Step 1: The POE device intelligently identifies the PD device, and when it meets the corresponding standards, it evaluates the power of the current PD device to obtain the target power loss; Step 2: After adjusting the key power supply parameters of the current POE device based on the target power loss, power is supplied to the PD device; Step 3: When the PD device is disconnected, the POE device responds quickly and cuts off the power supply, and repeats the PD device identification and power supply.

2. A wireless network base station power supply management method according to claim 1, characterized in that: The POE device intelligently identifies the PD device and, when it meets the corresponding standards, evaluates the power of the current PD device to obtain the target power loss, including: Initializing the current POE device, and the POE device outputs a first detection signal from a set port; When the cable terminal of the POE device is connected to the PD device, the PD device receives the first detection signal and performs standard identification; If the PD device meets the predefined standard of the current POE device, sending a first identification signal to the POE device through a specific resistor combination; The POE device receives and extracts the signal characteristics of the first identification signal to obtain key signal characteristics; Classifying the current PD device according to the key signal characteristics, and determining a corresponding first power level from a corresponding preset power configuration table; Extracting an initial power supply parameter combination matching the first power level from a preset power supply configuration table; After configuring the initial power supply parameter combination for the current POE device, the POE device evaluates the power loss of the current PD device to obtain the target power loss.

3. A wireless network base station power supply management method according to claim 2, characterized in that: The POE device evaluates the power loss of the current PD device and obtains the target power loss, including: Acquire a first current value obtained by the current PD device from the POE device within a preset time period when no data transmission or function operation is performed; constructing a first current curve in a time sequence using the first current value; Extracting curve features of the first current curve and performing weighted averaging to obtain a first current variation coefficient; Using the first current variation coefficient, the static current value obtained by the PD device from the POE device at the current moment is adjusted to obtain a target static current value; The target static current value is multiplied by the power supply voltage of the POE device to obtain static power consumption, and output it as the target power loss; The POE device sends a preset amount of analog data traffic to the current PD device according to the set data transmission rate; Measuring a second current value obtained by the current PD device from the POE device during the process of transmitting the simulated data traffic at the set data transmission rate; constructing a second current curve in time sequence using the second current value; Extracting curve features of the second current curve and performing weighted averaging to obtain a second current variation coefficient; Determining a first adjustment coefficient based on the second current variation coefficient and a set data transmission rate; Using the first adjustment coefficient, the dynamic current value obtained by the PD device from the POE device at the current moment is adjusted to obtain a target dynamic current value; The target dynamic current value is multiplied by the power supply voltage of the POE device to obtain dynamic power consumption, which is output as the target power loss.

4. A wireless network base station power supply management method according to claim 3, characterized in that: The calculation formula of the first adjustment coefficient is as follows: Where D1 is the first adjustment coefficient; γ1 is the weight of the influence of data transmission rate on current change; d i It is represented as the corresponding second current variation coefficient for data transmission using the i-th set data transmission rate; c i It is represented as the i-th set data transmission rate, where i=1, 2, 3, ..., n; n is represented as the number of set data transmission rates; δ is represented as the loss compensation factor.

5. A wireless network base station power supply management method according to claim 1, characterized in that: After adjusting the key power supply parameters of the current POE device based on the target power loss, supplying power to the PD device includes: After adjusting the key power supply parameters of the current POE device based on the target power loss, an adjusted parameter is obtained; After the POE device is configured with the adjusted parameters, it supplies power to the current PD device; Monitor the power supply process of the POE device to the current PD device in real time to obtain a first power supply process parameter; When a first power supply process parameter exceeds a corresponding set power supply process parameter threshold, the corresponding first power supply process parameter is regarded as an abnormal parameter; Taking the abnormal parameter as a matching condition, extracting a corresponding processing strategy from a set abnormal parameter-processing strategy mapping table as the abnormal processing strategy; The abnormality handling strategy is executed to handle the current power supply abnormality.

6. A wireless network base station power supply management method according to claim 5, characterized in that: The key power supply parameters refer to the output voltage and output current of the POE device.

7. A wireless network base station power supply management method according to claim 5, characterized in that: After adjusting the key power supply parameters of the current POE device based on the target power loss, the adjusted parameters are obtained, including: The target power loss is compared with a set power loss threshold, and if the target power loss is less than the set power loss threshold, the key power supply parameters of the current POE device are output as adjusted parameters; If the target power loss is not less than the set power loss threshold, subtract the set power loss threshold from the target power loss to obtain a first loss difference; Based on the analysis of factors affecting power consumption, the first loss difference is calculated to obtain a second loss difference; The calculation formula of the second loss difference is as follows: In the formula, P2 represents the second loss difference; P1 represents the first loss difference; x1 represents the current key power supply parameter; ε1 represents the influence weight of the value of the key power supply parameter on the power loss; x w Expressed as network cable resistance; ε w It is expressed as the weight of the influence of network cable resistance on power loss; x l Expressed as power supply distance; ε l It is represented as the weight of the impact of power supply distance on power loss; γ is represented as the balance factor of power consumption impact; Taking the second loss difference as a matching condition, extracting a parameter adjustment value of a current key power supply parameter from a set loss-parameter mapping table; The current key power supply parameters are adjusted based on the parameter adjustment values ​​to obtain adjusted parameters.

8. A wireless network base station power supply management method according to claim 1, characterized in that: When the PD device is disconnected, the POE device responds quickly and cuts off the power supply, repeating the PD device identification and power supply, including: The POE device detects the connection status of the current PD device in real time through the set port; When it is detected that the current PD device is disconnected, the power supply to the current PD device will be stopped within the set stop time period; After resetting the power supply state of the POE device to the initial state, the POE device repeats the detection process to detect whether the terminal of the cable is reconnected to the PD device; and when a new PD device connection is detected, the POE device restarts the power consumption analysis and power supply operation.