CN115996503B - Self-optimizing building illumination sensor energy-saving control system - Google Patents
Self-optimizing building illumination sensor energy-saving control system Download PDFInfo
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- CN115996503B CN115996503B CN202310288312.6A CN202310288312A CN115996503B CN 115996503 B CN115996503 B CN 115996503B CN 202310288312 A CN202310288312 A CN 202310288312A CN 115996503 B CN115996503 B CN 115996503B
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention relates to the field of intelligent control, in particular to a self-optimizing building illumination sensor energy-saving control system. The system comprises an illumination sensor grouping module, an importance difference acquisition module, an accuracy difference acquisition module, a difference coefficient acquisition module and an illumination sensor control module; dividing the illumination sensors in the building into a plurality of groups, and determining the current working group; acquiring importance differences of the illumination sensors of the current working group and other groups; acquiring accuracy difference and cruising difference coefficients of a current working group and other groups of illumination sensors at the next moment; thereby obtaining replacement benefits and determining a replacement work group of the current work group at the next moment; and acquiring a replacement work group at each moment in sequence, and performing replacement control. The intelligent alternating work of a plurality of groups of illumination sensors can be realized, and the accuracy of illumination control of a building is ensured while the energy-saving control of the illumination sensors is realized.
Description
Technical Field
The invention relates to the field of intelligent control, in particular to a self-optimizing building illumination sensor energy-saving control system.
Background
With the rapid development of the socialization process, more and more high-rise buildings are pulled out to provide offices or house places for urban residents, and the corresponding internal needs of the high-rise buildings are that huge illumination control modules provide illumination for the hallways and the stairs, the illumination equipment of the hallways and the stairs in the buildings is usually started in a fixed period, and in order to ensure sufficient illumination in the buildings, an illumination sensor is required to be installed in the buildings for illumination control; the traditional illumination control system adopts a wired mode, but the wired mode is complex in wiring and very difficult to maintain, the whole illumination sensor network is often required to be subjected to a large amount of investigation and maintenance work due to the aging of one circuit, especially for a huge building, the maintenance cost is huge, the defect of difficult maintenance of the wired system is overcome along with the rising of the wireless sensor network technology, and when the wireless sensor network is applied to the illumination control system, the wireless sensor network has the characteristics of plug and play, simplicity in maintenance and low maintenance cost, but compared with the traditional wired sensor, the wireless sensor network has the characteristics of energy storage energy sources such as batteries, and the like, once the electric energy in the wireless sensor battery is exhausted, the replacement of the battery of the wireless sensor is also a huge project, so that the wireless sensor network is required to be subjected to energy-saving control as much as possible in order to reduce the cost of maintaining the illumination control wireless sensor network.
In the existing energy-saving control technology, a low-power consumption use technology of a sensor is realized by controlling a sensor node to sleep, whether the sensor performs sleep control is judged by the current working state of the sensor and the influence brought by the sensor after sleep, when the sensor is used in a lighting control system of a building, due to the fact that human factors inside the building or production activity time changes, the sensor can not enter the sleep state or the situation that the sensor in a certain area enters the sleep state for a long time during application of the technical means, so that the actual energy-saving effect of the sensor is poor, delay exists when the sensor enters the sleep state for a long time, and normal operation of the lighting control system in the building can not be accurately ensured.
Disclosure of Invention
In order to solve the problems that the energy-saving effect of a sensor in the prior art is poor and the normal operation of a lighting control system in a building cannot be accurately ensured, the invention provides a self-optimizing building lighting sensor energy-saving control system, which comprises a lighting sensor grouping module, an importance difference acquisition module, an accuracy difference acquisition module, a difference coefficient acquisition module and a lighting sensor control module; dividing the illumination sensors in the building into a plurality of groups, and determining the current working group; acquiring importance differences of the illumination sensors of the current working group and other groups; acquiring accuracy difference and cruising difference coefficients of a current working group and other groups of illumination sensors at the next moment; thereby obtaining replacement benefits and determining a replacement work group of the current work group at the next moment; and acquiring a replacement work group at each moment in sequence, and performing replacement control. The intelligent alternating work of a plurality of groups of illumination sensors can be realized, and the accuracy of illumination control of a building is ensured while the energy-saving control of the illumination sensors is realized.
The invention adopts the following technical scheme that the energy-saving control system of the self-optimizing building illumination sensor comprises:
an illumination sensor grouping module; grouping all illumination sensors in a building to obtain a plurality of groups of illumination sensors; wherein the illumination sensors in each group are capable of covering the entire building and each illumination sensor may be located in multiple groups when grouped; acquiring the accuracy of each illumination sensor at the current moment; and determining the current working group by using the accuracy average value of each group of illumination sensors at the current moment.
An importance difference acquisition module; acquiring the importance of each illumination sensor according to the grouping times of each illumination sensor; and acquiring the importance difference of the illumination sensors of the current working group and other groups by using the importance average value of all the illumination sensors in each group.
An accuracy difference acquisition module; and acquiring the accuracy of each illumination sensor at the next moment, and acquiring the accuracy difference between the current working group and the illumination sensors of other groups at the next moment according to the average value of the accuracy of each group of illumination sensors at the next moment.
A difference coefficient acquisition module; and acquiring the minimum residual capacity of the illumination sensors in each group at the next moment, and acquiring the cruising difference coefficients of the illumination sensors of the current working group and the other groups at the next moment according to the minimum residual capacity of the illumination sensors in each group at the next moment.
A lighting sensor control module; obtaining replacement benefits of the current working group and the other group illumination sensors at the next moment according to the importance difference of the current working group and the other group illumination sensors, the accuracy difference of the current working group and the other group illumination sensors at the next moment and the endurance difference coefficient; selecting the illumination sensor of the corresponding group with the maximum replacement profit as the working group at the next moment; and obtaining the illumination sensor working group in the building at each moment in sequence.
Further, a self-optimizing building lighting sensor energy-saving control system, the method for obtaining the accuracy of each lighting sensor at the current moment is as follows:
acquiring the coverage area of each illumination sensor in a building, and acquiring an average value of environmental volume in a period of time within the coverage area of each illumination sensor at the current moment;
and acquiring the accuracy of each illumination sensor at the current moment according to the height of the average value of the environmental volume in a period of time within the coverage range of each illumination sensor at the current moment.
Further, a self-optimizing building lighting sensor energy-saving control system, the method for obtaining the importance of each lighting sensor comprises the following steps:
acquiring the number of occurrences of each illumination sensor in all groups of illumination sensors;
acquiring the number of groups of divided multiple groups of illumination sensors;
the importance of each illumination sensor is derived from the ratio of the number of occurrences of each illumination sensor in all groups of illumination sensors to the number of groups of divided groups of illumination sensors.
Further, a method for obtaining the importance difference between the current working group and the other groups of illumination sensors by the self-optimizing building illumination sensor energy-saving control system comprises the following steps:
acquiring the same illumination sensor in the current working group and other groups of illumination sensors, and removing the same illumination sensor;
acquiring an importance average value of the illumination sensors of the current working group and other groups after the same illumination sensor is removed;
obtaining the importance difference between the current working group and the other groups of illumination sensors according to the importance average value difference between the current working group and the other groups of illumination sensors after the same illumination sensor is removed;
and similarly, acquiring the accuracy difference between the current working group and other groups of illumination sensors at the next moment.
Further, the method for obtaining the endurance difference coefficient of the illumination sensors of the current working group and the other groups at the next moment by the self-optimizing building illumination sensor energy-saving control system comprises the following steps:
removing the same illumination sensor in the current working group and other groups of illumination sensors;
obtaining the minimum residual capacity in the current working group sensor and the minimum residual capacity in other groups of illumination sensors after removing the same illumination sensor at the next moment;
and obtaining the endurance difference coefficients of the current working group and the other groups of illumination sensors at the next moment according to the minimum residual capacity in the current working group sensor and the minimum residual capacity in each group of illumination sensors after the same illumination sensor is removed at the next moment.
Further, the method for obtaining the replacement benefits of the current working group and the other groups of illumination sensors at the next moment by the self-optimizing building illumination sensor energy-saving control system comprises the following steps:
according to the importance difference between the current working group and the other group illumination sensors, the accuracy difference between the next moment of the current working group and the other group illumination sensors and the endurance difference coefficient, the replacement benefits of the current working group and the other group illumination sensors at the next moment are obtained, and the expression is as follows:
；
wherein, the liquid crystal display device comprises a liquid crystal display device,indicating the replacement benefits of the current active set and the j-th set illumination sensor at the next moment, +.>Representing the endurance difference coefficient +_>Indicating the difference in accuracy between the current active set and the j-th set illumination sensor at the next moment, wherein +.>Mean value of accuracy of j-th group illumination sensor after removing the same illumination sensor is indicated, and +.>Mean value of accuracy representing the current working group after removal of the same illumination sensor, +.>Representing the importance difference of the current working group and the j-th group illumination sensor, wherein +.>Mean value of importance of j-th group illumination sensor after removing the same illumination sensor is indicated by +.>Representing the mean value of the importance of the current workgroup after removal of the same illumination sensor.
Further, a self-optimizing building lighting sensor energy-saving control system, the method for obtaining a plurality of groups of lighting sensors in a building comprises the following steps:
according to the distribution of the illumination sensors in the building, the illumination sensors with different numbers are selected as a group, and each group of illumination sensors comprises the number of the illumination sensors covering the whole building range, so as to obtain a plurality of groups of illumination sensors in the building; wherein, no inclusion relationship exists between any two groups of illumination sensors.
The beneficial effects of the invention are as follows: according to the invention, the illumination sensors in the building are grouped, and the induction range of each group of illumination sensors can be ensured to cover the whole building, so that basic conditions are provided for the replacement of the working groups of the subsequent sensors.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of a self-optimizing building lighting sensor energy-saving control system according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a schematic composition diagram of a self-optimizing building lighting sensor energy-saving control system according to an embodiment of the present invention is provided, including:
in one embodiment of the invention, the number of all illumination sensors in the industrial building and the corresponding installation positions are obtained in advance, so that the coverage area of the illumination sensors in the building is overlapped to ensure the integrity of illumination control of the building, namely, two or more illumination sensors can monitor the same area.
101. An illumination sensor grouping module; grouping all illumination sensors in a building to obtain a plurality of groups of illumination sensors; wherein the illumination sensors in each group are capable of covering an entire building and the illumination sensors in each group are repeatable; acquiring the accuracy of each illumination sensor at the current moment; and determining the current working group by using the accuracy average value of each group of illumination sensors at the current moment.
The method for grouping the illumination sensors in the building comprises the following steps:
according to the distribution of the illumination sensors in the building, the illumination sensors with different numbers are selected as a group, and each group of illumination sensors comprises the number of the illumination sensors covering the whole building range, so as to obtain a plurality of groups of illumination sensors in the building; wherein, no inclusion relationship exists between any two groups of illumination sensors.
In one embodiment of the invention, after the illumination sensors in the building are divided, the monitoring range of all the illumination sensors in each group is ensured to realize the full coverage of the building; the illumination sensors of each group are not identical, and the inclusion relationship does not exist between the illumination sensors of each group, namely the same illumination sensor can exist between any two groups of illumination sensors, but the illumination sensors of other groups which are not included in the illumination sensors of each group are necessarily present.
The method for acquiring the accuracy of each illumination sensor at the current moment comprises the following steps:
acquiring the coverage area of each illumination sensor in a building, and acquiring an average value of environmental volume in a period of time within the coverage area of each illumination sensor at the current moment;
for the coverage area of each illumination sensor in a building, the environmental volume is the flow data, namely the average environmental volume in the coverage area of each illumination sensor for a period of time.
And acquiring the accuracy of each illumination sensor at the current moment according to the average value of the environmental volume within a period of time within the coverage range of each illumination sensor at the current moment.
For illumination sensors, the sensors in a building are generally divided into a microwave sensor and an acoustic control sensor, when the average value of the environmental volume is higher in a period of time, mobility of people in the range of the illumination sensor is correspondingly more frequent, continuous illumination is required, the microwave sensor can control the illumination device to continuously work through movement of the human body in an induction area, the accuracy of the microwave sensor is higher than that of the acoustic control sensor, and when the average value of the environmental volume is lower in a period of time, the corresponding illumination can be controlled by the acoustic control sensor to lead the illumination device to provide illumination for the sensor area in time, and then for the illumination sensor at one moment:
if the illumination sensor is a microwave sensor, it is at the momentCorresponding accuracy->The calculation formula of (2) is as follows:
；
if the illumination sensor is a sound control sensor, it is at the momentCorresponding accuracy->The calculation formula of (2) is as follows:
；
in the two above-mentioned formulas of calculation,indicating the accuracy of the ith illumination sensor at time t,/for>Indicating the average value of the environmental volume within the range from the moment t to the moment t and a small period of time before the moment t in the coverage area of the sensor>Represents the average value of the ambient volume of all time periods within the coverage area of the sensor,/->For the normalized result, the larger the value, the higher the accuracy; when the average value of the environmental volume in a period of time is higher, the mobility of people in the range of the illumination sensor is correspondingly more frequent, continuous illumination is needed, the microwave sensor can control the illumination equipment to continuously work through the movement of the human body in the sensing area, the accuracy of the microwave sensor is higher than that of the sound control sensor, when the average value of the environmental volume in a period of time is lower, the corresponding illumination can be conducted on the illumination equipment by the sound control sensor, so that the instantaneous high volume can timely provide illumination for the sensor area, the accuracy of the corresponding illumination sensor is represented through the average value of the environmental volume in the range of the sensor, namely, when the average value of the environmental volume in a period of time is higher, the corresponding microwave sensor is more subjected to human factors, the detection accuracy is higher, and similarly, when the average value of the environmental volume in a period of time is lower, the corresponding sound control sensor is higher in demand, the detection accuracy is correspondingly higher.
When the control system of the invention starts to be used, the accuracy of each illumination sensor at the current moment is obtained, and then the average value of the accuracy of the illumination sensors in each divided group is obtained, so that the illumination sensor of the corresponding group with the largest average value of the accuracy is used as the current working group when the control system of the invention starts to be used.
102. An importance difference acquisition module; for obtaining importance of each illumination sensor based on the number of occurrences of each illumination sensor in all groups of illumination sensors; and obtaining the importance difference of the current working group and the other groups of illumination sensors according to the importance average value of each group of illumination sensors.
The method for acquiring the importance of each illumination sensor comprises the following steps:
acquiring the number of occurrences of each illumination sensor in all groups of illumination sensors;
acquiring the number of groups of divided multiple groups of illumination sensors;
the importance of each illumination sensor is derived from the ratio of the number of occurrences of each illumination sensor in all groups of illumination sensors to the number of groups of divided groups of illumination sensors.
The invention calculates the importance of each sensor according to the occurrence frequency of each sensor in different groups, and since the importance of each sensor is calculated according to the occurrence times, the importance of each sensor is irrelevant to the change of time, the expression for calculating the importance of each sensor is as follows:
；
wherein, the liquid crystal display device comprises a liquid crystal display device,for the number of all groups, +.>For the number of times sensor i appears in different groups, +.>For normalizing the coefficients, the larger and more important, if a sensor is present in each group, the importance of the sensor is 1.
The method for acquiring the importance difference between the current working group and each group of illumination sensors comprises the following steps:
acquiring the same illumination sensor in the current working group and each group of illumination sensors, and removing the same illumination sensor;
acquiring an importance average value of a current working group and each group of illumination sensors after the same illumination sensor is removed;
obtaining the importance difference between the current working group and each group of illumination sensors according to the difference between the importance average value of the current working group and each group of illumination sensors after the same illumination sensors are removed;
for the current work groupWith another group of sensors->Both of themAre all sets of a plurality of sensors, the intersection of the two represents the initial working group +.>With another group of sensors->The sensors are provided in the same way, and the difference between the two is embodied in different element parts, namely the difference between the two is set +.>And (2) with collection->The difference between the two sets of illumination sensors is obtained, so that the invention firstly obtains the same sensor between the initial working set and each other set of illumination sensors, removes the same sensor between the initial working set and each set of illumination sensors when the difference calculation is carried out between the initial working set and each set of illumination sensors, and obtains the average value of the importance of the illumination sensors in the initial working set and the corresponding set after the same sensor is removed>With another group of sensors->For example, group->Set after removal of the same sensor +.>The corresponding importance mean is marked +.>The current working group->Set after removal of the same sensor +.>The corresponding importance mean is marked +.>The difference in importance is +.>。
103. An accuracy difference acquisition module; and acquiring the accuracy of each illumination sensor at the next moment, and acquiring the accuracy difference between the current working group and the illumination sensors of other groups at the next moment according to the average value of the accuracy of each group of illumination sensors at the next moment.
The accuracy difference acquisition module is the same as the importance difference acquisition module, and the current working group is used forWith another group of sensors->For example, group->Set after removal of the same sensor +.>The corresponding mean value of accuracy is marked->The current working group->Set after removal of the same sensor +.>The corresponding mean value of accuracy is marked->The difference in accuracy between the current active set and each set of illumination sensors at the next moment is +.>。
104. A difference coefficient acquisition module; and the device is used for acquiring the minimum residual capacity of each group of illumination sensors at the next moment, and acquiring the cruising difference coefficient of the current working group and the other groups of illumination sensors at the next moment according to the minimum residual capacity of each group of illumination sensors at the next moment.
The method for obtaining the endurance difference coefficient of the current working group and each group of illumination sensors at the next moment comprises the following steps:
removing the same illumination sensor in the current working group and each group of illumination sensors;
obtaining the minimum residual capacity in the current working group sensor after removing the same illumination sensor at the next moment, and the minimum residual capacity in each group of illumination sensors;
and removing the minimum residual capacity in the current working group sensor and the minimum residual capacity in each group of illumination sensors after the same illumination sensor at the next moment, and acquiring the endurance difference coefficient of the current working group and each group of illumination sensors at the next moment.
The invention uses the current working groupWith another group of sensors->For example, the remaining capacity +.of the illumination sensor with the smallest endurance in the set of the current work group excluding the same illumination sensor is obtained at the next moment>And the remaining capacity of the illumination sensor with the smallest endurance in the collection after the other group of sensors remove the same illumination sensor +.>The expression for obtaining the endurance difference coefficient between the current working group and the other group of illumination sensors at the next moment is as follows:
；
calculating the endurance difference coefficient between the initial coverage strategy and all the replacement strategies, wherein the more the endurance difference coefficient approaches 0, the more the other group of sensors are describedThe cruising ability of the system is far smaller than that of the current working group, namely, the cruising ability is reduced after replacement, otherwise, the more approaching 1 is, the more the cruising ability is increased after replacement.
105. A lighting sensor control module; obtaining replacement benefits of the current working group and the other group illumination sensors at the next moment according to the importance difference of the current working group and the other group illumination sensors, the accuracy difference of the current working group and the other group illumination sensors at the next moment and the endurance difference coefficient; selecting the illumination sensor of the corresponding group with the maximum replacement profit as a replacement work group of the current work group at the next moment; and sequentially controlling the working groups in the building at each moment to replace.
The method for obtaining the replacement benefits of the current working group and each group of illumination sensors at the next moment comprises the following steps:
according to the importance difference between the current working group and each group of illumination sensors, the accuracy difference between the current working group and each group of illumination sensors at the next moment and the endurance difference coefficient, the replacement benefits of the current working group and each group of illumination sensors at the next moment are obtained, and the expression is as follows:
；
wherein, the liquid crystal display device comprises a liquid crystal display device,indicating the replacement benefits of the current active set and the j-th set illumination sensor at the next moment, +.>Representing the endurance difference coefficient +_>Indicating the current work group and the next timeAccuracy difference of illumination sensor of group j, wherein +.>Mean value of accuracy of j-th group illumination sensor after removing the same illumination sensor is indicated, and +.>Mean value of accuracy representing the current working group after removal of the same illumination sensor, +.>Representing the importance difference of the current working group and the j-th group illumination sensor, wherein +.>Mean value of importance of j-th group illumination sensor after removing the same illumination sensor is indicated by +.>Representing the mean value of the importance of the current workgroup after removal of the same illumination sensor.
If the endurance difference coefficient between the current working set and another set of illumination sensors approaches 0, it is indicated that the endurance capability after replacement will decrease, and at this time, the difference in accuracy after replacement should be paid more attention to, because importance represents the importance of one sensor, and the endurance capability of the sensor should be protected more importantly, so when the important sensor is replaced, it is indicated that the important sensor is replaced by another unimportant sensor, and at this time, the difference in importance will increase, so if the endurance difference coefficient after replacement represents the endurance capability to increase, we should pay more attention to the benefit obtained when the endurance capability of the important sensor is protected.
Therefore, the replacement benefits of the current working group and each lighting sensor group at the next moment are calculated, a group of lighting sensors with the largest replacement benefits is selected to serve as the replacement working group of the current working group at the next moment, the replacement working group serves as the current working group at the next moment, and updating of the current working group is continued at the next moment, so that intelligent replacement of the working group is achieved, due to the particularity of the lighting sensors, the time interval between every two adjacent moments cannot be too short, information is frequently acquired, energy-saving setting cannot be met, meanwhile, the time interval cannot be too long, the information of the lighting sensors cannot be slowly updated, the endurance of the lighting sensors can be reduced, and accurate control of a building cannot be achieved.
It should be noted that, the replacement benefits of the current working group and other illumination sensors at the next moment may be negative, that is, if the replacement benefits of a certain group of illumination sensors at the next moment are negative, the monitoring effect after the replacement is relatively bad to that of the current working group at the previous moment, so if the replacement benefits of the current working group and all other groups of illumination sensors at the next moment are negative, the current working group is considered to be not required to be replaced at the next moment, that is, the illumination sensor of the group corresponding to the maximum value of the non-negative replacement benefits is selected as the replacement working group at the next moment at each moment.
The invention relates to a self-optimizing building illumination sensor energy-saving control system which at least comprises an illumination sensor, monitoring equipment, a central processing unit and sensor control equipment, wherein the illumination sensor and the monitoring equipment are respectively connected with the central processing unit, and the sensor control equipment is arranged inside the illumination sensor and is controlled by the central processing unit only.
The illumination sensor is a wireless sensor and has the function of receiving and transmitting wireless signals, monitored information can be sent to the central processing unit for feedback, and meanwhile, sensor control equipment in the illumination sensor can receive instructions of the central processing unit, so that the functions of starting sensor monitoring and closing sensor monitoring are realized; the illumination sensors are pre-installed in all areas of the building, the number of the illumination sensors and the corresponding installation positions are pre-obtained, and coverage areas of the illumination sensors in the building are overlapped, namely, two or more illumination sensors can monitor the same area.
The acquisition range of the monitoring equipment is larger than that of the illumination sensor, and the monitoring equipment is mainly used for acquiring the value of the environmental volume in the coverage range of the illumination sensor, so that the monitoring equipment is installed along with the distribution position of the illumination sensor.
The central processing unit can be software or a program installed in a computer medium, and can realize the functions of the illumination sensor grouping module, the importance difference acquisition module, the accuracy difference acquisition module and the difference coefficient acquisition module in the system, firstly, the illumination sensor grouping module in the central processing unit completes grouping according to the distribution of the illumination sensors in the building, determines the current working group after the system is started, then analyzes the replacement income of each group of sensors through receiving the information acquired by the monitoring equipment, and sends out a control instruction according to the replacement income through the importance difference acquisition module, the accuracy difference acquisition module and the difference coefficient acquisition module, simultaneously controls all the illumination sensors corresponding to the current working group at the next moment to be turned off for monitoring, controls all the illumination sensors in the replacement working group at the next moment to be turned on for monitoring, and performs replacement every other hour, thereby realizing intelligent control of the illumination sensors and having the energy-saving effect.
According to the invention, the illumination sensors in the building are grouped, and the induction range of each group of illumination sensors can be ensured to cover the whole building, so that basic conditions are provided for the replacement of the working groups of the subsequent sensors.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. A self-optimizing building lighting sensor energy saving control system, comprising:
an illumination sensor grouping module; grouping all illumination sensors in a building to obtain a plurality of groups of illumination sensors; wherein the illumination sensors in each group are capable of covering the entire building and each illumination sensor may be located in multiple groups when grouped; acquiring the accuracy of each illumination sensor at the current moment; determining a current working group by using the average value of the accuracy of each group of illumination sensors at the current moment;
an importance difference acquisition module; acquiring the importance of each illumination sensor according to the grouping times of each illumination sensor; acquiring importance differences of the illumination sensors of the current working group and other groups by using importance average values of all the illumination sensors in each group;
an accuracy difference acquisition module; acquiring the accuracy of each illumination sensor at the next moment, and acquiring the accuracy difference between the current working group and the illumination sensors of other groups at the next moment according to the average value of the accuracy of each group of illumination sensors at the next moment;
a difference coefficient acquisition module; obtaining the minimum residual capacity of the illumination sensors in each group at the next moment, and obtaining the cruising difference coefficients of the current working group and the illumination sensors of other groups at the next moment according to the minimum residual capacity of the illumination sensors in each group at the next moment;
a lighting sensor control module; obtaining replacement benefits of the current working group and the other group illumination sensors at the next moment according to the importance difference of the current working group and the other group illumination sensors, the accuracy difference of the current working group and the other group illumination sensors at the next moment and the endurance difference coefficient; selecting the illumination sensor of the corresponding group with the maximum replacement profit as the working group at the next moment; sequentially obtaining a lighting sensor working group in a building at each moment;
the replacement benefits of the current working group and other illumination sensors at the next moment can be negative, namely, if the replacement benefits of a certain group of illumination sensors at the next moment are negative, the monitoring effect after replacement is relatively bad to the current working group at the previous moment, so that if the replacement benefits of the current working group and all other groups of illumination sensors at the next moment are negative, the current working group is considered to be not required to be replaced at the next moment, namely, the illumination sensor of the group corresponding to the maximum value of the non-negative replacement benefits is selected as the replacement working group at the next moment.
2. The self-optimizing building lighting sensor energy saving control system of claim 1, wherein the method for obtaining the accuracy of each lighting sensor at the current moment is as follows:
acquiring the coverage area of each illumination sensor in a building, and acquiring an average value of environmental volume in a period of time within the coverage area of each illumination sensor at the current moment;
and acquiring the accuracy of each illumination sensor at the current moment according to the level of the average value of the environmental volume in a period of time within the coverage range of each illumination sensor at the current moment.
3. The self-optimizing building lighting sensor energy saving control system of claim 1, wherein the method for obtaining the importance of each lighting sensor comprises the following steps:
acquiring the number of occurrences of each illumination sensor in all groups of illumination sensors;
acquiring the number of groups of divided multiple groups of illumination sensors;
the importance of each illumination sensor is derived from the ratio of the number of occurrences of each illumination sensor in all groups of illumination sensors to the number of groups of divided groups of illumination sensors.
4. The self-optimizing building lighting sensor energy saving control system of claim 1, wherein the method for obtaining the importance difference of the current work group and the other groups of lighting sensors is as follows:
acquiring the same illumination sensor in the current working group and other groups of illumination sensors, and removing the same illumination sensor;
acquiring an importance average value of the illumination sensors of the current working group and other groups after the same illumination sensor is removed;
obtaining the importance difference between the current working group and the other groups of illumination sensors according to the importance average value difference between the current working group and the other groups of illumination sensors after the same illumination sensor is removed;
and similarly, acquiring the accuracy difference between the current working group and other groups of illumination sensors at the next moment.
5. The energy-saving control system of a self-optimizing building lighting sensor according to claim 1, wherein the method for obtaining the endurance difference coefficient of the current working group and the lighting sensors of other groups at the next moment is as follows:
removing the same illumination sensor in the current working group and other groups of illumination sensors;
obtaining the minimum residual capacity in the current working group sensor and the minimum residual capacity in other groups of illumination sensors after removing the same illumination sensor at the next moment;
and obtaining the endurance difference coefficients of the current working group and the other groups of illumination sensors at the next moment according to the minimum residual capacity in the current working group sensor and the minimum residual capacity in each group of illumination sensors after the same illumination sensor is removed at the next moment.
6. The self-optimizing building lighting sensor energy saving control system of claim 1, wherein the method for obtaining the replacement benefits of the current work group and the other groups of lighting sensors at the next moment is as follows:
according to the importance difference between the current working group and the other group illumination sensors, the accuracy difference between the next moment of the current working group and the other group illumination sensors and the endurance difference coefficient, the replacement benefits of the current working group and the other group illumination sensors at the next moment are obtained, and the expression is as follows:
；
wherein, the liquid crystal display device comprises a liquid crystal display device,indicating the replacement benefit of the current work group at the next moment in the j-th group illumination sensor, +.>Representing the endurance difference coefficient +_>Indicating the difference in accuracy between the current active set and the j-th set illumination sensor at the next moment, wherein +.>Mean value of accuracy of j-th group illumination sensor after removing the same illumination sensor is indicated, and +.>Mean value of accuracy representing the current working group after removal of the same illumination sensor, +.>Representing the importance difference of the current working group and the j-th group illumination sensor, wherein +.>Mean value of importance of j-th group illumination sensor after removing the same illumination sensor is indicated by +.>Representing the mean value of the importance of the current workgroup after removal of the same illumination sensor.
7. The self-optimizing building lighting sensor energy saving control system of claim 1, wherein the method for obtaining the plurality of groups of lighting sensors in the building comprises the following steps:
according to the distribution of the illumination sensors in the building, the illumination sensors with different numbers are selected as a group, and each group of illumination sensors comprises the number of the illumination sensors covering the whole building range, so as to obtain a plurality of groups of illumination sensors in the building; wherein, no inclusion relationship exists between any two groups of illumination sensors.
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