CN114726659B - Energy-saving control system and method for edge gateway - Google Patents
Energy-saving control system and method for edge gateway Download PDFInfo
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- CN114726659B CN114726659B CN202210637348.6A CN202210637348A CN114726659B CN 114726659 B CN114726659 B CN 114726659B CN 202210637348 A CN202210637348 A CN 202210637348A CN 114726659 B CN114726659 B CN 114726659B
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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
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
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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
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
An energy-saving control system and method for edge gateway, including monitoring module, time module, default value module, judging module and energy-saving execution module; the time module comprises a date node, a power utilization time period in the date node and a time interval included in the power utilization time period, and the power utilization time period and the power consumption in the time interval of the power utilization time period can be obtained according to the historical power utilization condition recorded by the monitoring module; the judging module comprises a power utilization time period judging module, a time period interval judging module and an energy-saving time list, the power utilization time period judging module is used for judging the power consumption change conditions of different power utilization time periods, the time period interval judging module is used for judging the power utilization intensity conditions in the time period intervals, and the time period intervals meeting the conditions are added into the energy-saving time list; and the energy-saving execution module is used for carrying out energy-saving control on the working area. The application improves the energy-saving efficiency.
Description
Technical Field
The present application relates to the field of energy saving control, and in particular, to an energy saving control system and method for an edge gateway.
Background
Based on the limitation of cost and industry, the edge gateway in the prior art is generally used with a data acquisition and uploading function, even if the gateway with computing capability has a single function, the optimization of a specific energy utilization scene is difficult to realize. For example, in an office building, because different floors or different working areas have different function locations, the power consumption requirements of the different working areas are different, if a fixed open power supply mode is adopted, a large amount of power consumption may be caused in some unmanaged open areas, and if a fixed power saving mode is adopted, the production requirements may not be met or economic loss is caused.
Disclosure of Invention
In order to solve the above problems, the present application provides an energy saving control system for an edge gateway, including a monitoring module, a time module, a preset value module, a judgment module, and an energy saving execution module;
the monitoring module is used for recording the historical electricity utilization condition of the working area monitored by the edge gateway; the working area comprises an electricity utilization module capable of adjusting power consumption;
the time module comprises a date node, a power utilization time period in the date node and a time interval included in the power utilization time period; according to the historical electricity utilization condition recorded by the monitoring module, the electricity utilization time period and the electricity consumption generated in the time period interval of the electricity utilization time period can be obtained;
the preset value module stores the weight of a working area, a power consumption difference threshold value, an energy-saving threshold value of a power consumption time period and a power consumption intensity threshold value;
the judging module comprises a power utilization time period judging module, a time period interval judging module and an energy-saving time list, the power utilization time period judging module is used for judging the power consumption change conditions of different power utilization time periods, the time period interval judging module is used for judging the power utilization intensity conditions in the time period intervals, and the time period intervals meeting the conditions are added into the energy-saving time list;
and the energy-saving execution module is used for performing energy-saving control on the working area when the working area enters the time period in the energy-saving time list.
Preferably, 4 continuous electricity utilization time periods are set in the working area, each electricity utilization time period is 6 hours, wherein the first electricity utilization time period is 0:00-6:00, the second electricity utilization time period is 6:00-12:00, the third electricity utilization time period is 12:00-18:00, and the fourth electricity utilization time period is 18:00-24: 00.
Preferably, the time lengths of the time intervals included in the electricity consumption time period are equal or unequal.
Preferably, 128MB DDR2SDRAM and 256MB Flash are embedded in the edge gateway, 4G seven-mode full-network-communication remote high-speed wireless communication is supported, and 4 RS485 serial communication interfaces are supported.
The present application also provides a method of using the energy saving control system for an edge gateway as described above, including the steps of:
s10, setting an edge gateway to monitor the power utilization condition of n working areas, wherein the weight of the ith working area is set to be omega i ；
S20, setting the ith working area to comprise m electricity utilization time periods at each date node, and obtaining the average electricity consumption Q of the jth electricity utilization time period of the ith working area j ；
Obtaining the average electricity consumption of m electricity consumption time periods, wherein the maximum value is Q max Minimum value of Q min Obtaining the maximum difference of power consumptionValue Δ Q = Q max -Q min ；
Setting a difference threshold value W;
when the delta Q is less than or equal to W, the step is finished, and the next working area is judged;
when Δ Q > W, proceed to step S30;
s30, setting the energy-saving threshold value to be Q 0 ;
Average power consumption Q in j-th power consumption time period j ＞Q 0 When the step is finished, judging the next power utilization time period;
average power consumption Q in j-th power consumption time period j ≤Q 0 Dividing the jth electricity utilization time period into u time period intervals, wherein the time length of the z time period interval is T z The average electricity consumption in the z-th period is Q jz ；
Calculating to obtain the electricity consumption intensity of the z-th time interval of the j electricity consumption time period
；
S40, obtaining the electricity consumption intensity of all the u time interval intervals, wherein the maximum value is P max Minimum value of P min ;
Setting the Electricity consumption Density threshold D 1 ；
P max ≤D 1 Adding the energy-saving time list into the jth power utilization time period;
P min ≥D 1 when the power is supplied, the power is normally supplied in the jth power consumption time period;
P min ＜D 1 ＜P max when the power consumption density in the j electricity consumption time period is lower than the density threshold value D 1 Adding an energy-saving time list into the time interval;
and S40, when the ith working area enters the time period included in the energy-saving time list, adjusting the adjustable power utilization module by using the energy-saving mode.
Preferably, step S40 further includes: setting the ith working area in the z-th period interval of the jth electricity utilization period in the energy-saving time listWhen the corresponding power consumption density is P Z The number of the power consumption modules which can adjust the power consumption and are in use is r, and the energy-saving coefficient of the energy-saving time list is set to be
The power consumption of the theta-th electricity utilization module in the r electricity utilization modules is K θ Weight of beta θ (ii) a When the time period of the ith working area in the energy-saving time list can be obtained, the power consumption of the theta electricity utilization module is adjusted to be energy-saving power consumption
。
Wherein, the preferable step 20 further includes step 201: setting a plurality of date nodes in first preset time, averaging the electricity consumption of the jth electricity utilization time period in all the date nodes in the first preset time to be used as the average electricity consumption Q of the ith working area in the jth electricity utilization time period j 。
Preferably, in order to avoid extreme situations, the average power consumption is calculated after the maximum value and the minimum value of the power consumption in the holiday, the holiday and all the jth power consumption time periods in the date node are removed.
The beneficial effect that this application realized is as follows:
the compact wireless communication programmable platform with high performance, low power consumption and small volume can be accessed to terminal equipment, is in bidirectional communication with an energy CPS, and realizes functions of data acquisition, data storage, state monitoring, dynamic control and the like. Adding the time intervals meeting the conditions into an energy-saving time list by judging the power consumption change conditions of different power consumption time periods and judging the power consumption intensity condition in the time interval by the time interval judgment module; the energy-saving execution module is used for performing energy-saving control on the adjustable power supply module in the working area when the working area enters a time period in the energy-saving time list, and can adjust and control the energy-saving mode of the power utilization module according to the functions of the working area and different power utilization times, so that the effects of ensuring power supply in busy working areas and saving energy and power in idle working areas are achieved. The method improves the energy-saving efficiency and realizes the energy-saving state switching in different time periods.
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In order to more clearly illustrate the embodiments of the present application 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.
Fig. 1 is a power saving control system for an edge gateway.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to fig. 1 in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
The intelligent edge gateway used in the application is a compact wireless communication programmable platform with high performance, low power consumption and small volume, can be accessed to terminal equipment such as a water meter, a gas meter, an electric meter, a temperature and humidity sensor, an electric control valve and the like, is in two-way communication with an energy CPS, and realizes functions such as data acquisition, data storage, state monitoring, dynamic control and the like. Specifically, in some embodiments, the card-plug type edge gateway uses EW-320-F series, a wireless embedded computer built based on an industrial-level ARM9 processor of RISC architecture, 128MB DDR2SDRAM and 256MB Flash are embedded, supports 4G seven-module full-network remote high-speed wireless communication, supports 1 10/100Mbps adaptive industrial ethernet, 4 RS485 serial communication interfaces, RTC, buzzer, temperature sensor, hardware encryption circuit, 1 DI and 1 DO interface, can provide strong computing capability and high-speed remote wireless communication function for users, and is very suitable for M2M application such as protocol conversion or field communication management.
The edge gateway can be pre-installed with an embedded Linux operating system, provides an open and efficient software platform for user software development, and can conveniently and efficiently complete application program development and interactive debugging by combining with an independently developed middleware API.
Based on the actual requirements of users, an optimization control system core algorithm and strategy for energy-saving power utilization control can be constructed. The operation control is based on AI algorithm and cloud computing technology, and intelligent control is performed under the condition of ensuring safe operation and indoor basic power utilization of each sub energy consumption system in the building. Generally, one edge gateway can meet the acquisition requirements of the whole building, and acquisition, uploading and dynamic control of equipment information are realized.
In this embodiment, an edge gateway is configured to monitor power consumption conditions of 5 work areas in a building, where weights of the work areas are set according to conditions such as functions and numbers of people in the work areas; in this embodiment, the weights of the 5 work areas A, B, C, D, E are set to 0.9, 0.8, 0.7, 0.8, and 0.6, respectively.
Wherein, according to the functions and the weight of the working area A, 4 continuous electricity utilization time periods are set for each working date of the working area A, wherein each electricity consumption time period is 6 hours, namely, the first electricity consumption time period is set to be 0:00-6:00, the second electricity consumption time period is set to be 6:00-12:00, the third electricity consumption time period is set to be 12:00-18:00, the fourth electricity consumption time period is set to be 18:00-24:00, and then according to data in the monitoring record of the system on the historical electricity consumption condition of the working area A, for example, in obtaining historical monitoring records from 1/3/2020 to 31/3/2020, and acquiring the electricity consumption of the second electricity time period (6: 00-12: 00) every day, and averaging the electricity consumption of all the second electricity time periods within 31 days to acquire the average electricity consumption Q of the working area A in the second electricity time period. 2 Average power consumption Q 2 The value is taken as the power consumption value of the second electricity time period during the later-stage calculation; in addition, in some embodiments, to avoid an extreme situation, the average power consumption may be calculated after the maximum value and the minimum value of the power consumption in the holiday, and all the second power consumption periods within 31 days are removed.
Similarly, the power consumption of the working area a in all the power consumption periods is obtained: average power consumption Q of first power consumption period 1 Average power consumption Q of second electricity time period 2 For the third period of electricityAverage power consumption Q 3 Average power consumption Q of fourth power consumption period 4 。
Obtaining Q 1 、Q 2 、Q 3 、Q 4 The difference between the maximum value and the minimum value in the electricity consumption time periods is used as the maximum difference of the electricity consumption quantity between the electricity consumption time periods; in the present embodiment, of the electricity usage amounts obtained for the 4 electricity usage periods, Q 1 ＜Q 4 ＜Q 3 ＜Q 2 Then, it can be found that the maximum value among the used amounts in all the electricity consumption periods is the used amount Q in the second electricity consumption period 2 The minimum value is the electricity consumption Q of the first electricity consumption period 1 。
Obtaining the maximum difference value delta Q = Q between the maximum value and the minimum value of the electricity consumption 2 -Q 1 ;
Setting a difference threshold value W;
when Δ Q 1 When the power consumption time periods are less than or equal to W, the difference of the power consumption amount between the power consumption time periods is smaller, namely the power consumption of the set 4 power consumption time periods is kept in a relatively stable state, the step is finished, and the next working area is judged;
when Δ Q 1 When the power consumption time periods are larger than W, the difference of the power consumption between the power consumption time periods is large, namely, a power consumption peak period and a power consumption valley period can be generated, when some power consumption time periods are busy in a working area, some power consumption time periods are idle, and when the working area is idle, the power consumption modules with adjustable power consumption in the working area can be subjected to energy-saving and power-limiting control operation, for example, the temperature of an air conditioner and the brightness of lamplight are adjusted, the power consumption of functional modules of some power consumption equipment is reduced, or non-main functions of some functional modules are closed, and the energy-saving adjustment is carried out on the adjustable power consumption modules through the operation.
Setting the energy-saving threshold value to Q 0 ;
Will Q 1 、Q 2 、Q 3 、Q 4 And Q 0 Comparing the values of the two to screen out an energy-saving threshold Q of the power consumption ratio 0 All small power consumption periods as periods in which idle period intervals are likely to occur, to which power consumption density in internal periods is appliedThe calculation of (2):
energy-saving threshold Q of electricity consumption ratio 0 Large power utilization time periods are skipped in the step, and the power utilization intensity is not calculated;
in this embodiment, when Q is 1 ＜Q 0 Then to Q 1 The power utilization conditions of all the time interval sections included in the corresponding first power utilization time periods 0:00-6:00 are further judged, and the method specifically comprises the following steps: and selecting m time interval intervals with different time lengths in the first electricity utilization time period, and calculating the intensity of each time interval. For example, within 360 minutes included in the first power consumption time period, 6 time interval are sequentially taken: t is t 1 =30 min, t 2 =30 min, t 3 =60 min, t 4 =120 min, t 5 =60 min, t 6 The electricity consumption densities P in the above 6 time interval were calculated for each of 60 minutes. In addition, in other embodiments, the electricity utilization time period may be divided into time intervals with the same duration, such as 30 minutes or 60 minutes.
The specific calculation method of the electricity consumption concentration P comprises the steps of acquiring the average electricity consumption Q in the 1 st interval of the first electricity consumption time period 11 The method for obtaining the average electricity consumption in the 1 st time interval is similar to the method for obtaining the average electricity consumption in the first electricity utilization time interval, and the proportion F of the electricity consumption in the 1 st time interval in the first electricity utilization time interval is calculated 1 =Q 11 /Q 1 The power consumption density of the 1 st period in the first power consumption time period can be obtained
。
For example, when the ratio F of the used amount of the electricity amount in the 1 st electricity period 1 =1/3, electricity usage concentration of 1 st period interval in first electricity usage period
。
Setting Power consumption Density threshold P 0 And calculating to obtain the electricity consumption concentration P of 6 time interval 1 、P 2 、P 3 、……、P 6 Obtaining the maximum value and the minimum value, and comparing all the electricity consumption intensity with the electricity consumption intensity threshold value P 0 Carrying out comparison; wherein, suppose P 3 Is the maximum value of, P 4 Is the minimum value thereof.
If P is 3 ≤P 0 If the power consumption intensity of the first power consumption time period is lower than the set intensity threshold, that is, no time period in which concentrated power consumption is generated in the first power consumption time period, adding all the first power consumption time periods into the energy-saving time list;
if P is 4 ≥P 0 If so, it means that concentrated power utilization is generated in all time intervals of the first power utilization time period, so that normal power supply is performed in the first power utilization time period;
if P is 3 ＜P 0 ＜P 4 If the power consumption intensity in the first power consumption time period is lower than the intensity threshold value P 0 Adding an energy-saving time list into the time interval; the power consumption density in the first power consumption time period is higher than the density threshold value P 0 The time interval of (1) is normally powered.
After the working area enters the time period in the energy-saving time list, energy-saving adjustment is performed on the electricity consumption module with adjustable electricity consumption in the working area, in a specific embodiment, the system adjusts the electricity consumption module with adjustable power consumption mode into an energy-saving mode, and an embodiment of energy-saving adjustment is as follows: when the working area A enters the 1 st time interval of the first electricity consumption time period in the energy-saving time list, the corresponding electricity consumption intensity is P 1 The number of the power utilization modules which are used in the 1 st time interval and can perform energy-saving operation by adjusting the power consumption is r, and the energy-saving coefficient of the energy-saving time list is set as
The original power consumption of the 1 st electricity utilization module in the r electricity utilization modules is K 1 The weight of the electricity utilization module is beta 1 (ii) a When the 1 st time interval of the working area A in the energy-saving time list can be obtained, the power consumption of the 1 st power utilization module is adjusted to be energy-saving power consumption
。
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (7)
1. A power saving control method for an edge gateway comprises the following steps:
s00, providing an energy-saving control system for the edge gateway, which comprises a monitoring module, a time module, a preset value module, a judgment module and an energy-saving execution module;
the monitoring module is used for recording the historical electricity utilization condition of a working area monitored by the edge gateway, and the working area comprises an electricity utilization module capable of adjusting power consumption;
the time module comprises a date node, a power utilization time period in the date node and a time interval included in the power utilization time period; according to the historical electricity utilization condition recorded by the monitoring module, the electricity utilization time period and the electricity consumption generated in the time period interval of the electricity utilization time period can be obtained;
the preset value module stores the weight of a working area, a power consumption difference threshold value, an energy-saving threshold value of a power consumption time period and a power consumption intensity threshold value;
the judging module comprises a power utilization time period judging module, a time period interval judging module and an energy-saving time list, the power utilization time period judging module is used for judging the power consumption change conditions of different power utilization time periods, the time period interval judging module is used for judging the power utilization intensity conditions in the time period intervals, and the time period intervals meeting the conditions are added into the energy-saving time list;
the energy-saving execution module is used for performing energy-saving control on the power utilization module of the working area when the working area enters a time period in the energy-saving time list;
s10, setting an edge gateway to monitor the power utilization condition of n working areas, wherein the weight of the ith working area is set to be omega i ；
S20, setting the ith working area to comprise m electricity utilization time periods at each date node, and obtaining the average electricity consumption Q of the jth electricity utilization time period of the ith working area j ；
Obtaining the average power consumption of m power consumption time periods, wherein the maximum value is Q max Minimum value of Q min Obtaining the maximum difference value delta Q of the electricity consumption as Q max -Q min ；
Setting a difference threshold value W;
when the delta Q is less than or equal to W, the step is finished, and the next working area is judged;
when Δ Q > W, proceed to step S30;
s30, setting the energy-saving threshold value to be Q 0 ；
Average power consumption Q in j-th power consumption time period j ＞Q 0 When the step is finished, judging the next power utilization time period;
average power consumption Q in j-th power consumption time period j ≤Q 0 Dividing the jth electricity utilization time period into u time period intervals, wherein the time length of the z time period interval is T z The average electricity consumption in the z-th period is Q jz ；
Calculating to obtain the electricity consumption intensity of the z-th time interval of the j electricity consumption time period
S40, obtaining the electricity consumption intensity of all the u time interval intervals, wherein the maximum value is P max Minimum value of P min ；
Setting the Electricity consumption Density threshold D 1 ；
P max ≤D 1 Adding the energy-saving time list into the jth power utilization time period;
P min ≥D 1 when the power is supplied, the power is normally supplied in the jth power consumption time period;
P min ＜D 1 ＜P max when the power consumption density in the j electricity consumption time period is lower than the density threshold value D 1 Adding an energy-saving time list into the time interval;
and S50, when the ith working area enters the time period included in the energy-saving time list, adjusting the electricity utilization modules in the working area by using the energy-saving mode.
2. The energy-saving control method for the edge gateway according to claim 1, wherein the working area is set to 4 consecutive electricity utilization periods, each of which is 6 hours, wherein the first electricity utilization period is 0:00-6:00, the second electricity utilization period is 6:00-12:00, the third electricity utilization period is 12:00-18:00, and the fourth electricity utilization period is 18:00-24: 00.
3. The method of claim 1, wherein the power consumption periods comprise intervals of equal or unequal duration.
4. The energy-saving control method for the edge gateway as claimed in claim 1, wherein 128MB DDR2SDRAM and 256MB Flash are embedded in the edge gateway, 4G seven-mode full-network-communication remote high-speed wireless communication is supported, and 4 RS485 serial communication interfaces are supported.
5. The energy-saving control method for the edge gateway as claimed in claim 1, further comprising in step S40: when the ith working area enters the z-th time interval of the jth electricity utilization time period in the energy-saving time list, the corresponding electricity utilization density is P Z The number of the power consumption modules which can adjust the power consumption and are in use is r, and the energy-saving coefficient of the energy-saving time list is set to be
The power consumption of the theta electricity utilization module in the r electricity utilization modules is K θ Weight of beta θ (ii) a When the time interval of the ith working area in the energy-saving time list can be obtained, the power consumption of the theta power utilization module is adjusted to be energy-saving power consumption
6. The method for controlling energy saving of an edge gateway according to claim 1, wherein the step 20 further comprises the step 201: setting a plurality of date nodes in first preset time, averaging the electricity consumption of the jth electricity utilization time period in all the date nodes in the first preset time to be used as the average electricity consumption Q of the ith working area in the jth electricity utilization time period j 。
7. The energy-saving control method for the edge gateway of claim 6, wherein in step 201, the average power consumption is calculated after the maximum value and the minimum value of the power consumption in the holiday, the holiday and all j-th power consumption time periods in the date node are removed.
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| CN112882431A (en) * | 2021-01-12 | 2021-06-01 | 深圳美华电力工程设计有限公司 | Energy-saving power distribution room monitoring system and monitoring method |
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