CN105282939A - Energy saving illumination control method and system - Google Patents

Energy saving illumination control method and system Download PDF

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Publication number
CN105282939A
CN105282939A CN201510781531.3A CN201510781531A CN105282939A CN 105282939 A CN105282939 A CN 105282939A CN 201510781531 A CN201510781531 A CN 201510781531A CN 105282939 A CN105282939 A CN 105282939A
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China
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region
brightness
lamp group
illumination
light fixture
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CN105282939B (en
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殷春
程玉华
魏修岭
周士伟
吴珊珊
王伟
黄雪刚
白利兵
陈凯
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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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

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Abstract

The invention discloses an energy saving illumination control method and system. The energy saving illumination control method and system divide the indoor area according to the indoor environment configuration and the prior information, thus reducing the control area and being able to realize energy saving effect, and can divide all the lights indoors into groups, aiming at one area in a room; therefore, compared with simultaneous control of all the lights indoors, group control of the lights can be more flexible; and compared with that independent control of all the lights indoors respectively, group control of the lights can reduce the complexity of the system and the lights can be controlled more easily. Finally, according to the illumination requirement of the required area, the energy saving illumination control method and system can satisfy the illumination requirement of the area by adjusting the brightness of the light group corresponding to the required area, and can find a light group brightness combination with relatively lowest total energy consumption from the plurality of light group brightness combinations which satisfy the illumination requirement required by the required area and output the light group brightness combination, so the energy is further saved. The energy saving illumination control method and system integrate area division, light grouping and energy consumption optimization control, and can satisfy the illumination requirement of one required area by means of relatively lowest total energy consumption, so as to realize secondary energy saving.

Description

A kind of energy-saving illumination control method and system
Technical field
The invention belongs to lighting control technique field, more specifically say, relate to a kind of energy-saving illumination control method and system.
Background technology
Energy shortage has become the significant problem that the mankind have to face, and how to reduce energy resource consumption, has become the matter of utmost importance that all trades and professions face.According to statistics, Chinese architecture energy consumption accounts for more than 24% of whole society's total energy consumption, and lighting energy consumption accounts for more than 30% [Zhao Dong of building energy consumption, Hu Chunyu, Bai Desheng, Li Wufeng. Energy Saving Technique for Buildings in Our Country present condition and developing tendency [J]. building energy conservation .2015,43 (289): 116-120.], therefore improving existing illuminator is reduce a kind of effective ways of energy consumption.Can, by ambient light being introduced, coordinate indoor light can reach certain energy-saving effect for room lighting.But optimize lighting strategy and also reduce energy consumption by studying further.
Traditional lighting controls, and is that the light on and off by simply controlling lamp meet indoor illumination intensity demand the earliest, cannot regulate the illumination of lamp on the one hand, can not realize the accurate control to room area illumination on the other hand.As development, more current Lighting control can realize the adjustment to illumination, meet certain illumination requirement, but autocontrol method are comparatively complicated, and the reduction degree of energy consumption is not very large.How to simplify on the basis of existing Lighting control and control, and realize the emphasis that secondary energy-saving is needs research.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of energy-saving illumination control method and system are provided, to realize the further reduction of energy consumption.
For achieving the above object, energy-saving illumination control method of the present invention, is characterized in that, comprise the following steps:
(1), in conjunction with indoor environment configuration and prior information, indoor are divided into m region;
(2), for the some region i in m region, according to the position of this region i and the distribution situation of indoor lamp, all light fixtures of indoor are divided into J iindividual group, the corresponding light fixture grouping information in each like this region; Light fixture grouping information corresponding for each region in the m of a division region is stored in relevant database;
(3), according to the desired zone of user's transmission and the user instruction of corresponding brightness value, first query relation type database obtains the light fixture grouping information of desired zone, then according to light fixture grouping information, regulate the brightness of lamp group, find illumination of sening as an envoy to and meet desired zone demand and brightness value and the relatively minimum lamp group brightness combination of total energy consumption, and be combined into line output according to this lamp group brightness, control the brightness of each lamp group.
The present invention also provides a kind of energy saving illumination control system, comprising: central control module, light fixture adjustment module, is characterized in that, also comprise:
One relevant database, for the light fixture grouping information that each region in m region dividing in storage chamber is corresponding;
A described m region is carry out dividing in conjunction with indoor environment configuration and prior information, and for the some region i in m region, according to the position of this region i and the distribution situation of indoor lamp, all light fixtures of indoor is divided into J iindividual group, the corresponding light fixture grouping information in each like this region;
User sends the user instruction of desired zone and corresponding brightness value to central control module, after central control module receives user instruction, send query statement to relevant database, query relation type database also obtains the light fixture grouping information of desired zone, then according to lamp group grouping information, control output brightness regulating command to light fixture adjustment module, regulate each lamp group brightness of the corresponding light fixture grouping of desired zone;
One illumination acquisition module, for gathering the brightness value of desired zone, and sends to central control module;
Described central control module is according to the brightness value of the desired zone gathered, find illumination of sening as an envoy to and meet desired zone demand and brightness value and the relatively minimum lamp group brightness combination of total energy consumption, and according to this lamp group brightness array output luminance instructions to light fixture adjustment module, control the brightness of each lamp group.
The object of the present invention is achieved like this.
Energy-saving illumination control method of the present invention and system, divide room area, during such Lighting control according to indoor environment configuration and prior information, only need consider the illumination requirement of desired zone, without the need to considering other regions, reducing control area, can realize energy-conservation.Meanwhile, for some regions, indoor, all light fixtures in whole indoor are divided into groups; Meanwhile, for other each region indoor, indoor all light fixtures divide into groups too, but the situation of grouping is different; Control compared to all light fixtures in indoor like this, grouping controls more flexible simultaneously; Individually control compared to all light fixtures in indoor, grouping controls the complexity that can reduce system, and control is more easy.Finally, the present invention can according to the illumination requirement of desired zone, by the illumination requirement regulating the corresponding lamp group brightness of desired zone to meet this region, and can from the numerous lamp group brightness combinations meeting desired zone illumination requirement, the lamp group brightness finding out relative total energy consumption minimum is combined and exports, thus further energy savings.Region dividing, light fixture grouping and energy consumption optimization control have been merged in the present invention, can realize with relatively minimum energy consumption to meet the illumination requirement of a certain desired zone, thus realize secondary energy-saving.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in energy-saving illumination control method of the present invention and system, indoor being divided into m region;
Fig. 2 is the concrete mode schematic diagram of region i, lamp group and light fixture number one grouping;
Fig. 3 is illumination requirement and each lamp group brightness schematic diagram of region i;
Fig. 4 is a kind of embodiment flow chart of energy-saving illumination control method of the present invention;
Fig. 5 is a kind of embodiment schematic diagram of energy saving illumination control system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described, so that those skilled in the art understands the present invention better.Requiring particular attention is that, in the following description, when perhaps the detailed description of known function and design can desalinate main contents of the present invention, these are described in and will be left in the basket here.
One, control principle
1, Region dividing
The present invention mainly for large-scale indoor place, a kind of control technology scheme that the illumination as enterprise office, school library, classroom proposes.First according to indoor environment configuration and prior information, Region dividing is carried out to indoor, as according to careat, indoor arrangement etc., whole indoor is divided into m region, as shown in Figure 1.A such as enterprise office environment comprises meeting point, working point, rest point, and so indoor just can be divided into three regions for these three points by us.
When target enters some region i, we only need consider the illumination of region i, and without the need to considering other region.
2, light fixture grouping
For the region i at target place, existing is control all light fixtures in indoor in normal conditions simultaneously, and now all lamp brightness are consistent and change simultaneously, but lacks control flexibility; Can certainly control separately respectively all light fixtures in indoor, now each lamp brightness may be different, but is increased the complexity of control.
Owing to considering, the nearer light fixture of distance areas i is comparatively large on its impact, and the distance areas i impact of light fixture on it relatively far away is less.So we first divide into groups to light fixture, then each lamp group is controlled.Control compared to light fixture, grouping control has better flexibility simultaneously.Individually control compared to light fixture, grouping controls easier, can reduce the complexity of system.
Controlled by grouping, we can realize, to the flexible control of light fixture, reducing amount of calculation again, reduce the complexity of system.
For a certain region i of indoor, consider the light fixture distribution situation of region i and whole indoor, light fixtures all for indoor is divided into J i(subscript i represents the region i corresponding to light fixture grouping) individual group.Such as, for the region 1 of indoor, one group can be divided in all for indoor light fixtures on the larger light fixture of its illumination impact, moderate light fixture is affected on it and is divided into one group, and one group is divided on the very little light fixture of its impact, in such cases, for region 1, indoor all light fixtures are divided into J 1=3 groups, i.e. lamp group number J now 1be just 3.
For each region, light fixtures all for indoor divides into groups by we, is not only for the light fixture of this overlying regions.Region, light fixture grouping information are stored in relevant database, to call.
In the present embodiment, region and light fixture grouping information as shown in table 1.Wherein J irepresent for region i, the grouping number (i.e. lamp group number) of indoor all light fixtures, subscript i represents the region i corresponding to light fixture grouping; be used for representing at J ikth lamp group sequence number in individual lamp group, subscript k represents a kth lamp group, and subscript i represents the region i corresponding to light fixture grouping; be used for the light fixture number representing that a kth lamp group comprises, subscript k represents a kth lamp group, subscript i represent light fixture divide into groups corresponding to region i; Such as: for region 1, according to the position in region 1 and the distribution situation of indoor all light fixtures, indoor lamp is divided into 3 groups, wherein the 1st group comprises 4 light fixtures, and the 2nd group comprises 8 light fixtures, and the 3rd group comprises 5 light fixtures, so J 1value be 3.The grouping information of all light fixtures in the indoor corresponding to region 1 can be used represent, in lamp group, light fixture number can be used represent, when namely selection area 1 is target area, represent the 1st lamp group in 3 lamp groups, represent light fixture number in the 1st lamp group, value is 4; represent the 2nd lamp group in 3 lamp groups, represent light fixture number in the 2nd lamp group, value is 8; represent the 3rd lamp group in 3 lamp groups, represent light fixture number in the 3rd lamp group, value is 5.
Table 1
For a certain region i in office, the light fixture number in lamp group and each lamp group is schematically as follows shown in Fig. 2.
Described lamp group information comprises in lamp group number, each lamp group the information such as the position of how many light fixtures and these light fixtures.Wherein, the positional information of light fixture is conducive to searching out as early as possible the lamp group brightness combination meeting brightness value.
3, lamp group brightness combination is found
For some region i, call the light fixture grouping information in this region, by controlling this J ithe brightness of individual lamp group, reaches the demand of this region to illumination.
But this J ithere is the illumination requirement that a variety of brightness combination can meet this region in individual lamp group, line output of going forward side by side is combined in a kind of brightness finding out total energy consumption in multiple lamp group of comforming brightness combination relatively minimum, the illumination requirement to this region can be met like this, energy consumption can be reduced to greatest extent again.
The J of a certain region i iin individual lamp group, the electric current flowing through a kth lamp group is designated as wherein, subscript represents region i, and subscript represents a kth lamp group, then total current is:
I = Σ k = 1 J i - I i k .
Then flow through the electric current of a kth lamp group wherein represent and flow through the ratio that a kth lamp group electric current accounts for total current, subscript represents region i, and subscript represents a kth lamp group, wherein, for:
Σ k = 1 J i ω i k = 1 , 0 ≤ ω i k ≤ 1.
So total energy consumption E can be represented by the formula:
E = Σ k = 1 J i ( I i k ) 2 = Σ k = 1 J i ( ω i k · I ) 2 .
The lamp group number of region i is J i, this J ithe brightness of individual lamp group can be used represent, be designated as subscript represents region i, and subscript represents a kth lamp group.So this J ithe brightness of individual lamp group can with a brightness combinatorial matrix L irepresent, wherein L i = L i 1 L i 2 ... L i J 1 . The illumination requirement of region i is designated as for region i illumination requirement, light fixture grouping and each lamp group brightness schematic diagram be illustrated in fig. 3 shown below.
Meeting the illumination requirement of region i time, there is many multiple lamp group brightness combination L i, often kind of corresponding total energy consumption E of lamp group brightness combination, find total energy consumption relatively minimum one group of lamp group brightness to be combined into line output, thus realization meets the illumination requirement to region i with relatively minimum energy consumption.So both meet the illumination requirement of zones of different, energy consumption can be reduced to greatest extent again, energy savings.
Two, control method
In the present embodiment, as shown in Figure 4, energy-saving illumination control method of the present invention comprises the following steps:
Step S1: in conjunction with indoor environment configuration and prior information, indoor are divided into m region;
Step S2: according to ready-portioned region, to each region, considers the position in this region and the distribution situation of indoor lamp, is divided into groups by all for indoor light fixtures, and be stored in relevant database by the region of division and light fixture grouping information;
Step S3:
Namely step S3.1, first user input comprises the user instruction of region, illumination to the illumination requirement in a certain region; Then according to the region of user's input, corresponding light fixture grouping information is obtained by query relation type database;
Step S3.2, illumination acquisition module gather the brightness value of desired zone, judge whether the illumination in this region meets illumination requirement; When the illumination in this region does not satisfy the demands (satisfied then not needs regulate), Intelligent adjustment window, indoor illumination intensity is regulated by introducing ambient light, if after adjustment window, if satisfy the demands, no longer open light (end), do not meet and then enter step S3.3, carry out the brightness of adjustment lamp group;
Step S3.3, according to light fixture grouping information, regulate the brightness of the corresponding lamp group in this region, when illumination satisfies the demands, calculate the total energy consumption E of each lamp group; The brightness of the corresponding lamp group in this region of continuous adjustment, until find all lamp group brightness combinations satisfying the demands i.e. brightness value; Then, in these lamp group brightness combination, a kind of lamp group brightness combination that total energy consumption E is relatively minimum is found out; And be combined into line output according to this lamp group brightness, control the brightness of each lamp group.
In the present embodiment, mainly add the adjustment to window, to utilize extraneous light to greatest extent, reach effect energy-conservation to greatest extent.
Three, control system
In the present embodiment, as shown in Figure 5, energy saving illumination control system of the present invention comprises central control module 1, light fixture adjustment module 2, relevant database 3, illumination acquisition module 4 and window adjustments module 5.
Relevant database 3 for storage chamber inner region dividing condition, the light fixture grouping information that each region in m the region namely divided in storage chamber is corresponding.For each region, all the whole light fixture in indoor is divided into groups, like this for zones of different, have different lamp group grouping informations.In the present embodiment, as shown in Figure 4, Region dividing and light fixture are grouped in central control module 1 and carry out, and are then stored in relevant database 3.
User sends the user instruction (region, brightness value) of desired zone and corresponding brightness value to central control module 1, after central control module 1 receives user instruction, send query statement to relevant database 3, query relation type database 3 also calls the light fixture grouping information of (acquisition) desired zone, then according to lamp group grouping information, control output brightness regulating command to light fixture adjustment module 2, regulate each lamp group brightness of the corresponding light fixture grouping of desired zone.
Illumination acquisition module 4 is placed on indoor zones of different, for gathering the brightness value of desired zone, and sends to central control module 1.
Light fixture adjustment module 2, by controlling the control of light fixture realization to light, controls by central controller 1 instruction the brightness that light fixture adjustment module regulates indoor lamp.Specifically, central control module 1 is according to the brightness value of the desired zone gathered, searching illumination of sening as an envoy to meets desired zone demand and brightness value (brightness value of the desired zone namely gathered equals the brightness value of the desired zone of user's input) and the relatively minimum lamp group brightness combination of total energy consumption, and according to this lamp group brightness array output luminance instructions to light fixture adjustment module 2, control the brightness of each lamp group.
In the present embodiment, window adjustments module 5 controls for the introduction degree of one-tenth realizing light to external world by controlling window, specifically, according to the Lighting information that illumination acquisition module 4 collects, send instruction by central control module 1 and control window adjustments module 5 to the illumination regulating ambient light to be irradiated to indoor, if meet the brightness value of desired zone, then do not need to open light fixture to throw light on, if do not met, open lamp lighting further again, make the brightness value of the desired zone of collection equal the brightness value of the desired zone of user's input.
Basic ideas of the present invention are, according to the environment configurations in indoor (as large-scale indoor places such as gymnasium, library, classrooms) and prior information (as careat, working point, the information such as point of having a rest), indoor are divided into multiple region.Behind subregion, only need consider user's desired zone, and without the need to considering other regions, the quantity of controlled area can be reduced like this, thus reduce amount of calculation; According to information such as the distribution situations of all light fixtures in the position at place, a certain region and indoor, all for indoor light fixtures can be divided into groups behind subregion.Carry out grouping to light fixture to control, can flexible modulation be realized, the complexity of system can be reduced again; According to the region at user place, regulate the lamp group that this region is associated.When user region needs certain illumination, system is by all lamp groups brightness of controlling to be associated with region to reach user's request, and the brightness of lamp group is combined to be had a variety of, is not unique.
When the illumination of user region demand changes, system will control all lamp groups brightness be associated with region again, and for different illumination requirement, the brightness combination of all lamp groups is also not identical.In the many multiple lamp group brightness combinations reaching user's illumination requirement, its energy consumption meeting each lamp group brightness combination of user's illumination requirement is not duplicate.A kind of lamp group brightness finding energy consumption relatively minimum from the many multiple lamp group brightness combinations meeting user region illumination requirement is combined and controls out, thus realizes secondary energy-saving, is maximum bright spot place of the present invention.
Although be described the illustrative embodiment of the present invention above; so that those skilled in the art understand the present invention; but should be clear; the invention is not restricted to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined, these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection in appended claim.

Claims (4)

1. an energy-saving illumination control method, is characterized in that, comprises the following steps:
(1), in conjunction with indoor environment configuration and prior information, indoor are divided into m region;
(2), for the some region i in m region, according to the position of this region i and the distribution situation of indoor lamp, all light fixtures of indoor are divided into J iindividual group, the corresponding light fixture grouping information in each like this region; Light fixture grouping information corresponding for each region in the m of a division region is stored in relevant database;
(3), according to the desired zone of user's transmission and the user instruction of corresponding brightness value, first query relation type database obtains the light fixture grouping information of desired zone, then according to light fixture grouping information, regulate the brightness of lamp group, find illumination of sening as an envoy to and meet desired zone demand and brightness value and the relatively minimum lamp group brightness combination of total energy consumption, and be combined into line output according to this lamp group brightness, control the brightness of each lamp group.
2. control method according to claim 1, is characterized in that, described step (3) comprising:
Namely step S3.1, first user input comprises the user instruction of region, illumination to the illumination requirement in a certain region; Then according to the region of user's input, corresponding light fixture grouping information is obtained by query relation type database;
Step S3.2, illumination acquisition module gather the brightness value of desired zone, judge whether the illumination in this region meets illumination requirement; When the illumination in this region does not satisfy the demands (satisfied then not needs regulate), Intelligent adjustment window, indoor illumination intensity is regulated by introducing ambient light, if after adjustment window, if satisfy the demands, no longer open light (end), do not meet and then enter step S3.3, carry out the brightness of adjustment lamp group;
Step S3.3, according to light fixture grouping information, regulate the brightness of the corresponding lamp group in this region, when illumination satisfies the demands, calculate the total energy consumption E of each lamp group; The brightness of the corresponding lamp group in this region of continuous adjustment, until find all lamp group brightness combinations satisfying the demands i.e. brightness value; Then, in these lamp group brightness combination, a kind of lamp group brightness combination that total energy consumption E is relatively minimum is found out; And be combined into line output according to this lamp group brightness, control the brightness of each lamp group.
3. an energy saving illumination control system, comprises central control module, light fixture adjustment module, it is characterized in that, also comprise:
One relevant database, for the light fixture grouping information that each region in m region dividing in storage chamber is corresponding;
A described m region is carry out dividing in conjunction with indoor environment configuration and prior information, and for the some region i in m region, according to the position of this region i and the distribution situation of indoor lamp, all light fixtures of indoor is divided into J iindividual group, the corresponding light fixture grouping information in each like this region;
User sends the user instruction of desired zone and corresponding brightness value to central control module, after central control module receives user instruction, send query statement to relevant database, query relation type database also obtains the light fixture grouping information of desired zone, then according to lamp group grouping information, control output brightness regulating command to light fixture adjustment module, regulate each lamp group brightness of the corresponding light fixture grouping of desired zone;
One illumination acquisition module, for gathering the brightness value of desired zone, and sends to central control module;
Described central control module is according to the brightness value of the desired zone gathered, find illumination of sening as an envoy to and meet desired zone demand and brightness value and the relatively minimum lamp group brightness combination of total energy consumption, and according to this lamp group brightness array output luminance instructions to light fixture adjustment module, control the brightness of each lamp group.
4. control method according to claim 3, is characterized in that, also comprises:
One window adjustments module 5 controls for the introduction degree of one-tenth realizing light to external world by controlling window, specifically, according to the Lighting information that illumination acquisition module 4 collects, send instruction by central control module 1 and control window adjustments module 5 to the illumination regulating ambient light to be irradiated to indoor, if meet the brightness value of desired zone, then do not need to open light fixture to throw light on, if do not met, open lamp lighting further again, make the brightness value of the desired zone of collection equal the brightness value of the desired zone of user's input.
CN201510781531.3A 2015-11-09 2015-11-09 A kind of energy-saving illumination control method and system Expired - Fee Related CN105282939B (en)

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