CN110278641B - Library illumination control method - Google Patents

Abstract

A library lighting control method, comprising the steps of: 1) data processing: collecting the illumination data of all the test points at intervals of a time period to obtain the illumination data of each test point in J time periods; 2) labeling the gap between the collected photometric data and the photometric recommendation criteria: 3) analyzing the difference between the collected photometric data and the photometric recommendation criteria by: 3.1)1 test point is marked as 0 at all times, and the test point does not need to be provided with an illuminating lamp; 3.2) if the time for marking-1 is extremely long and exceeds a set threshold value, the illumination of the test point may be easy to fatigue, and a nearby ceiling lamp or wall lamp is recommended to be adjusted; and 3.3) dividing an illumination control area according to the position and difference records, and formulating a control target of the illumination lamp. The invention provides a library illumination control method with good energy-saving performance.

Description

Library illumination control method

Technical Field

The invention relates to a library lighting control method.

Background

Discovery when the library looks for books, there is little device and a light each vertical grid bookshelf top, observes the discovery, and when someone removed, the light can light, can have the light source illumination under dim light, makes things convenient for the reader to look up books. The lamp is arranged on the top of the library, the lamp is arranged on the wall, outdoor light is arranged at the edge of the window, the illuminating lamp can not be turned on at some places of the library, and energy is saved.

Disclosure of Invention

In order to overcome the defect that the existing library illumination control mode is poor in energy saving performance, the invention provides a library illumination control method with good energy saving performance.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a library lighting control method, the method comprising:

1) data processing

Obtaining library test points W1, W2, …, Wi, … and WI, selecting M test points as final test points according to the distance between the test points and light sources around the test points, collecting illumination data of all the test points at intervals of a time period, wherein J time periods are total, t1, t2, …, tJ and … tJ, obtaining the illumination data of each test point in J time periods, representing the illumination data of the test points Wi in the time period tJ by using symbols u _ i _ J, and setting the illumination threshold values to be u _ max and u _ min;

2) labeling the gap between the collected photometric data and the photometric recommendation criteria:

3) analyzing the difference between the collected photometric data and the photometric recommendation criteria by:

3.1)1 test point is marked as 0 at all times, and the test point does not need to be provided with an illuminating lamp;

3.2) if the time for marking-1 is more than a set threshold value, the illumination of the test point may be easy to fatigue, and a ceiling lamp or a wall lamp nearby is selected to be adjusted;

3.3) according to position, difference record, divide the lighting control area, formulate the control target of light, the process is as follows:

3.3.1) eliminating test points which do not need light supplement or are illuminated beyond a threshold value to serve as light supplement test points;

3.3.2) calculating that the light supplement differences of the single light supplement test points at the time t1-tJ have an intersection, wherein the intersection represents that the light supplement differences of the recommended range are met at the time t 1-tJ; if the light supplement differences at the time t1-tJ are not intersected, dividing the time t1-tJ to enable the light supplement differences of each time division section to be intersected; intersection refers to the light filling difference of different time quantum has the coincidence:

3.3.3) dividing the illumination control areas to enable the light supplement differences of all light supplement test points in each illumination control sub-area to have an intersection, wherein the intersection part is a light supplement target of all light supplement test points in the illumination control sub-area;

3.3.4) form the control target of the lighting lamp: and (4) the light supplement target is segmented at each time of each test point in the illumination control area.

Further, in the step 3.3.2), a voting mechanism is adopted for the calculation of the intersection, and the process is as follows:

3.3.2.1), determining a supplementary lighting boundary, wherein the lighting at a certain test point in a certain time is 299 between 0lx and 500lx, the supplementary lighting is marked as 1, the supplementary lighting difference is [1,201], when the lighting is 300, the supplementary lighting is marked as 0, the supplementary lighting difference is 0, when the lighting is 0 (the lighting value is not a negative value), the supplementary lighting is marked as 1, and the supplementary lighting difference is [300,500], so the supplementary lighting boundary is 0-500;

3.3.2.2) dividing the supplementary lighting boundary into num supplementary lighting unit intervals;

3.3.2.3) setting a voting rule of the light supplement unit interval: if the light supplement unit interval is in the light supplement difference range of the test point Wi in the time period tj, 1 ticket is thrown in the light supplement unit interval, and if not, 0 ticket is thrown in the light supplement unit interval;

let Eg represent the g supplementary lighting unit interval, which is total of num supplementary lighting unit intervals, the supplementary lighting difference of the test point Wi in the time period tj is [ u _ min-u _ i _ j, u _ max-u _ i _ j ], and p _ g _ i _ j represents the ticket obtaining of the g supplementary lighting unit interval in the test point Wi and the time period tj;

5lx is a unit, and the light supplement unit interval is as follows: 5. 10, 15, 20 … 495 and 500, if the light supplement difference at a certain time of a certain test point is [50,250], 1 ticket is thrown in light supplement unit intervals 50, 55, 60, …, 245 and 250;

3.3.2.4) to calculate the intersection of the points,

p _ g _ i _1 represents the votes obtained by the g-th supplementary lighting unit interval at the test point Wi and the time period t1, p _ g _ i _2 represents the votes obtained by the g-th supplementary lighting unit interval at the test point Wi and the time period t2, if p _ g _ i _1 is 1 and p _ g _ i _2 is 1, it indicates that the supplementary lighting unit interval Eg meets the supplementary lighting requirements of the test point Wi at the time periods t1 and t2, the number of votes obtained at this time is 2, statistics is performed, and if the number of votes obtained is equal to the number of supplementary lighting differences participating in voting, it indicates that the supplementary lighting differences participating in voting have an intersection;

therefore, the light supplement differences of the single light supplement test points at the time t1-tJ are calculated to have an intersection, and if the light supplement differences of the p _ g _ i _1+ p _ g _ i _2+ … + p _ g _ i _ J are J, it indicates that the light supplement differences of the g-th light supplement unit interval at the time t1, t2, … and tJ at the test point Wi have an intersection;

searching num supplementary lighting unit intervals, and grouping supplementary lighting unit intervals meeting the requirement that p _ G _ i _1+ p _ G _ i _2+ … + p _ G _ i _ J is J into a set G _ i.

Still further, in step 3.3.3), the lighting control regions are divided, so that light supplement differences of all light supplement test points in each lighting control sub-region have an intersection, and the process is as follows:

the method includes the steps that two light supplement test points W1 and W2 are grouped into G _1 and G _2 in a time period dimension, light supplement unit intervals in the G _1 and G _2 are searched, if p _ G _1_1+ p _ G _1_2+ … + p _ G _1_ J + p _ G _2_1+ p _ G _2_ … + p _ G _2_ J is 2J, the number of votes obtained at this time is 2J, the light supplement unit interval Eg is shown to meet light supplement requirements of the test points W1 and W2 in the time period t1-tJ, 2 light supplement test points participating voting are shown to intersect, and the light supplement unit interval Eg is classified into the group G (W1 and W2);

therefore, the intersected test points can be divided into one sub-control region R1 to obtain a set G (W1, W2, …, Wr 1).

Further, in the step 3.3.4), the control scheme is as follows: at time t1-tJ, test points W1, W2, …, Wr1 in region R1 are controlled to have a control target G (W1, W2, …, Wr 1).

In the step 2), the process of marking the difference between the collected luminosity data and the luminosity recommendation standard is as follows:

2.1) judging whether the collected luminosity data is in the luminosity suggestion range, if so, marking the collected luminosity data as 0, and at the moment, lighting is proper without starting a lighting lamp on a bookshelf;

2.2) when the current position is not in the recommended range, if the current position is larger than u _ max, the mark is-1, the problem of illumination transition exists, and the illuminating lamp on the bookshelf does not need to be turned on;

2.3) when the light supplement is not in the recommended range, if the light supplement is smaller than u _ min, the mark is 1, the problem of insufficient illumination exists at the moment, an illuminating lamp on a bookshelf needs to be started, and the values of light supplement differences u _ max-u and u _ min-u are calculated and recorded;

the mark f _ i _ j represents a fill-in mark of the test point Wi in the time period tj

When f _ i _ j is 1, recording the fill-in light difference [ u _ min-u, u _ max-u ].

In the step 1), the data acquisition process is as follows:

1.1 drawing a structure diagram of a library, wherein the structure diagram comprises a bookshelf placement position, a desk, a walkway, glass-sunlight, a ceiling lamp and a wall lamp, and a movable area and a light source position of a reader are determined;

1.2, determining the test point,

1.2.1) gridding the library area, using a symbol S (x, y, z) to represent the position of a light source, and using a symbol W (x, y, z) to represent the position of a preselected test point;

1.2.2) statistics of the distances between the preselected test point and all light sources

There are 3 types of library light sources, namely wall lamp, ceiling lamp and sunlight, and the symbols are Q1, Q2 and Q3, N1Q 1 light sources, N2Q 2 light sources and N3Q 3 light sources, and the positions of all the light sources are represented as follows:

S_Q1_1(x，y，z),S_Q1_2(x，y，z),…,S_Q1_N1(x，y，z)

S_Q2_1(x，y，z),S_Q2_2(x，y，z),…,S_Q2_N2(x，y，z)

S_Q3_1(x，y，z),S_Q3_2(x，y，z),…,S_Q3_N3(x，y，z)

s _ Q1_1(x, y, z) indicates the position of the 1 st light source of type Q1;

distance of preselected test point W (x, y, z) and light source S (x, y, z):

the distances between the preselected test point w and all light sources can be calculated by using the formula

L_{W,S_Q1_1},L_{W,S_Q1_2},…,L_{W,S_Q1_N1}

L_{W,S_Q2_1},L_{W,S_Q2_2},…,L_{W,S_Q2_N2}

L_{W,S_Q3_1},L_{W,S_Q3_2},…,L_{W,S_Q3_N3}

1.2.3) marking the type of the preselected test point according to the distance between the preselected test point and various light sources

Comparing the distance L of the preselected test point W to the Q1 type light source_{W,S_Q1_1},L_{W,S_Q1_2},…,L_{W,S_Q1_N1}Select 3 minimum distances, labeled L_{W,S_Q1_a}，L_{W,S_Q1_b}，L_{W,S_Q1_c}

Comparing the distance L of the preselected test point W to the Q2 type light source_{W,S_Q2_1},L_{W,S_Q2_2},…,L_{W,S_Q2_N2}Select 3 minimum distances, labeled L_{W,S_Q2_a}，L_{W,S_Q2_b}，L_{W,S_Q2_c}

Comparing the distance L of the preselected test point W to the Q3 type light source_{W,S_Q3_1},L_{W,S_Q3_2},…,L_{W,S_Q3_N3}Select 3 minimum distances, labeled L_{W,S_Q3_a}，L_{W,S_Q3_b}，L_{W,S_Q3_c}Pre-selected test point W type marking:

L_{W,S_Q1_a}，L_{W,S_Q1_b}，L_{W,S_Q1_c}，L_{W,S_Q2_a}，L_{W,S_Q2_b}，L_{W,S_Q2_c}，L_{W,S_Q3_a}，L_{W,S_Q3_b}，L_{W,S_Q3_c}

1.2.4) comparing the types of the preselected test points, and selecting the preselected test points of different types as final test points.

The invention has the following beneficial effects: has good energy-saving performance.

Drawings

FIG. 1 is a schematic diagram of a library architecture.

Fig. 2 is a schematic diagram of test point partition areas of an intersection.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a library lighting control method, taking a hangzhou city library as an example, is implemented as follows:

first, data acquisition

1.1, drawing a structure diagram of a library (bookshelf placement position, desk, walkway, glass-sunlight, ceiling lamp and wall lamp), and determining a movable area (near the bookshelf) of a reader and a light source position;

1.2, determining the test point,

1.2.1) gridding the library area, using a symbol S (x, y, z) to represent the position of a light source, and using a symbol W (x, y, z) to represent the position of a preselected test point;

1.2.2) statistics of the distances between the preselected test point and all light sources

There are 3 types of library light sources, namely wall lamp, ceiling lamp and sunlight, and the symbols are Q1, Q2 and Q3, N1Q 1 light sources, N2Q 2 light sources and N3Q 3 light sources, and the positions of all the light sources can be represented as follows:

S_Q1_1(x，y，z),S_Q1_2(x，y，z),…,S_Q1_N1(x，y，z)

S_Q2_1(x，y，z),S_Q2_2(x，y，z),…,S_Q2_N2(x，y，z)

S_Q3_1(x，y，z),S_Q3_2(x，y，z),…,S_Q3_N3(x，y，z)

s _ Q1_1(x, y, z) indicates the position of the 1 st light source of type Q1;

distance of preselected test point W (x, y, z) and light source S (x, y, z):

the distances between the preselected test point w and all light sources can be calculated by using the formula

L_{W,S_Q1_1},L_{W,S_Q1_2},…,L_{W,S_Q1_N1}

L_{W,S_Q2_1},L_{W,S_Q2_2},…,L_{W,S_Q2_N2}

L_{W,S_Q3_1},L_{W,S_Q3_2},…,L_{W,S_Q3_N3}

1.2.3) marking the type of the preselected test point according to the distance between the preselected test point and various light sources

Comparing the distance L of the preselected test point W to the Q1 type light source_{W,S_Q1_1},L_{W,S_Q1_2},…,L_{W,S_Q1_N1}Select 3 minimum distances, labeled L_{W,S_Q1_a}，L_{W,S_Q1_b}，L_{W,S_Q1_c}

Comparing the distance L of the preselected test point W to the Q2 type light source_{W,S_Q2_1},L_{W,S_Q2_2},…,L_{W,S_Q2_N2}Select 3 minimum distances, labeled L_{W,S_Q2_a}，L_{W,S_Q2_b}，L_{W,S_Q2_c}

Comparing the distance L of the preselected test point W to the Q3 type light source_{W,S_Q3_1},L_{W,S_Q3_2},…,L_{W,S_Q3_N3}Select 3 minimum distances, labeled L_{W,S_Q3_a}，L_{W,S_Q3_b}，L_{W,S_Q3_c}

Pre-selected test point W type marking:

L_{W,S_Q1_a}，L_{W,S_Q1_b}，L_{W,S_Q1_c}，L_{W,S_Q2_a}，L_{W,S_Q2_b}，L_{W,S_Q2_c}，L_{W,S_Q3_a}，L_{W,S_Q3_b}，L_{W,S_Q3_c}

1.2.4) comparing the types of the preselected test points, and selecting the preselected test points of different types as final test points

Examples are: the preselected test point W1 is spaced from all light sources by a distance of

13,16,12,3,2,5,17

16,14,13,12,4,3,2

3,4,15,15,3

The type is marked as:

2,3,5,2,3,4,3,3,4，

it is illustrated that there are light sources of type Q1 at distances 2,3,5 around W1, light sources of type Q2 at distances 2,3,4 around, and light sources of type Q2 at distances 3,3,4 around;

the distances between the preselected test point W2 and all light sources are:

3,2,5,13,16,12,,17

16,12,4,3,14,13,2

15,3,4,15,3

the type is marked as:

2,3,5,2,3,4,3,3,4，

it is illustrated that there are Q1 type light sources at 2,3,5 positions around W2, Q2 type light sources at 2,3,4 positions around W, and Q2 type light sources at 3,3,4 positions around W

The distances between the preselected test point W1 and all light sources are:

13,16,12,3,2,5,17

16,14,13,12,4,3,6

3,4,15,15,3

the type is marked as:

2,3,5,3,4,6,3,3,4，

it is illustrated that there are Q1 type light sources at 2,3,5 positions around W3, Q2 type light sources at 3,4,6 positions around, and Q2 type light sources at 3,3,4 positions around

Therefore, the type labels of W1 and W2 are the same, and are test points of the same type; the type marks of W1 and W3 are different and are different types of test points.

Secondly, data acquisition, the process is as follows:

2.1, collecting time, 8:00-21:00 library opening time, and collecting 1 round every 1 hour for 14 rounds;

2.2, acquiring a line, and counting 1 round from the 1 st test point to the last 1 test point, wherein the time is recorded to minutes each time;

2.3, acquiring standard, acquiring data at a test point, observing the data every 5s for 1 time, observing the data for 3 times in total, and taking an average value; if the fluctuation is large, mark one (indicating that the data may be mistested or at a point of abrupt change in brightness), and observe 3 more times and take the average.

Thirdly, acquiring photometric data according to a data acquisition plan by using an on-site illumination measuring instrument;

data collection record table referring to table 1:

TABLE 1

Fourth, illumination control method

Obtaining a photometric recommendation criterion: in the standard of design for architectural lighting GB 50034-2013, the standard value of lighting in the place of the library building (general or open reading room) that should not be lowered for maintaining the average illuminance is 300lx, the illuminance lx, LUX, 0.75m horizontal plane, the minimum illuminance/average illuminance is not less than 0.6, and the illuminance difference that the minimum change in illuminance is perceived in the subjective effect is approximately 1.5 times, 300lx, 500lx

To sum up, library luminosity suggests: 300-500 LUX;

4.1 data processing

Acquiring final test points W1, W2, …, Wi, …, WM and M as the number of the final test points, acquiring illumination data of all the final test points every other time period, wherein J time periods are t1, t2, …, tJ and … tJ, acquiring the illumination data of each final test point in J time periods, representing the illumination data of the test points Wi in the time period tJ by symbols u _ i _ J, and setting the illumination threshold values to be u _ max and u _ min;

	W1	W2	W3	…	WM
						t1	321	550	246		246
t2	332	580	320		320
						t3	400	560	550		250
…
						tJ	450	600	0		0

TABLE 2

4.2 labeling the gap between the collected photometric data and the photometric recommendation criteria, as follows:

4.2.1) judging whether the collected luminosity data is in the luminosity suggestion range, if so, marking the collected luminosity data as 0, and at the moment, lighting is proper without starting a lighting lamp on a bookshelf;

4.2.2) when the current position is not in the recommended range, if the current position is larger than u _ max, the mark is-1, the problem of illumination transition exists, and the illuminating lamp on the bookshelf does not need to be turned on;

4.2.3) when the light supplement is not in the recommended range, if the light supplement is smaller than u _ min, the mark is 1, the problem of insufficient illumination exists at the moment, an illuminating lamp on the bookshelf needs to be started, and the values of the light supplement difference u _ max-u and u _ min-u are calculated and recorded;

the mark f _ i _ j represents a fill-in mark of the test point Wi in the time period tj

When f _ i _ j is 1, recording the light filling difference [ u _ min-u, u _ max-u ];

4.3 analyzing the difference between the collected photometric data and the photometric recommendation criteria, the procedure is as follows:

4.3.1)1 test point is marked as 0 at all times, and the test point does not need to be provided with an illuminating lamp;

TABLE 2

The W1 is illuminated in the recommended range in the open-house time period, and the test point does not need light supplement;

4.3.2) if the time for marking-1 is extremely long and exceeds a certain threshold value, the illumination of the test point may cause fatigue easily, and a ceiling lamp or a wall lamp nearby is selected to be adjusted;

w2 light all surpassed the threshold value during the time slot of leaving the hall, and this test point recommends to reduce the light source illuminance near the test point, energy-conservation.

4.3.3) according to position, difference record, divide the lighting control area, make the control target of light, the process is as follows:

4.3.3.1) eliminating test points which do not need light supplement or are illuminated beyond a threshold value as light supplement test points;

4.3.3.2) calculating that light supplement differences of the single light supplement test points at t1-tJ have an intersection, wherein the intersection represents that the light supplement differences of the recommended range are met at t 1-tJ; if the light supplement differences at the time t1-tJ are not intersected, dividing the time t1-tJ to enable the light supplement differences of each time division section to be intersected; intersection refers to the light filling difference of different time quantum has the coincidence:

4.3.3.3) dividing the lighting control areas, so that the light supplement differences of all light supplement test points in each lighting control sub-area have an intersection, and the intersection part is the light supplement target of all light supplement test points in the lighting control sub-area;

4.3.3.4) form the control target of the lighting lamp: and (4) the light supplement target is segmented at each time of each test point in the illumination control area.

In the step 4.3.3.2), a voting mechanism is adopted for the intersection calculation, and the process is as follows:

4.3.3.2.1), determining a supplementary lighting boundary, wherein the lighting at a certain test point in a certain time is 299 between 0lx and 500lx, the supplementary lighting is marked as 1, the supplementary lighting difference is [1,201], when the lighting is 300, the supplementary lighting is marked as 0, the supplementary lighting difference is 0, when the lighting is 0 (the lighting value is not a negative value), the supplementary lighting is marked as 1, and the supplementary lighting difference is [300,500], so the supplementary lighting boundary is 0-500;

4.3.3.2.2) dividing the supplementary lighting boundary into num supplementary lighting unit intervals;

4.3.3.2.3) setting a voting rule of the light supplement unit interval: if the light supplement unit interval is in the light supplement difference range of the test point Wi in the time period tj, 1 ticket is thrown in the light supplement unit interval, and if not, 0 ticket is thrown in the light supplement unit interval;

let Eg represent the g supplementary lighting unit interval, which is total of num supplementary lighting unit intervals, the supplementary lighting difference of the test point Wi in the time period tj is [ u _ min-u _ i _ j, u _ max-u _ i _ j ], and p _ g _ i _ j represents the ticket obtaining of the g supplementary lighting unit interval in the test point Wi and the time period tj;

5lx is a unit, and the light supplement unit interval is as follows: 5. 10, 15, 20 … 495 and 500, if the light supplement difference at a certain time of a certain test point is [50,250], 1 ticket is thrown in light supplement unit intervals 50, 55, 60, …, 245 and 250;

4.3.3.2.4) to calculate the intersection of the points,

p _ g _ i _1 represents the votes obtained by the g-th supplementary lighting unit interval at the test point Wi and the time period t1, p _ g _ i _2 represents the votes obtained by the g-th supplementary lighting unit interval at the test point Wi and the time period t2, if p _ g _ i _1 is 1 and p _ g _ i _2 is 1, it indicates that the supplementary lighting unit interval Eg meets the supplementary lighting requirements of the test point Wi at the time periods t1 and t2, the number of votes obtained at this time is 2, statistics is performed, and if the number of votes obtained is equal to the number of supplementary lighting differences participating in voting, it indicates that the supplementary lighting differences participating in voting have an intersection;

therefore, the light supplement differences of the single light supplement test points at the time t1-tJ are calculated to have an intersection, and if the light supplement differences of the p _ g _ i _1+ p _ g _ i _2+ … + p _ g _ i _ J are J, it indicates that the light supplement differences of the g-th light supplement unit interval at the time t1, t2, … and tJ at the test point Wi have an intersection;

searching num supplementary lighting unit intervals, and grouping supplementary lighting unit intervals meeting the requirement that p _ G _ i _1+ p _ G _ i _2+ … + p _ G _ i _ J is J into a set G _ i.

In the step 4.3.3.3), the lighting control areas are divided, so that light supplement differences of all light supplement test points in each lighting control sub-area have an intersection, and the process is as follows:

the method includes the steps that two light supplement test points W1 and W2 are grouped into G _1 and G _2 in a time period dimension, light supplement unit intervals in the G _1 and G _2 are searched, if p _ G _1_1+ p _ G _1_2+ … + p _ G _1_ J + p _ G _2_1+ p _ G _2_ … + p _ G _2_ J is 2J, the number of votes obtained at this time is 2J, the light supplement unit interval Eg is shown to meet light supplement requirements of the test points W1 and W2 in the time period t1-tJ, 2 light supplement test points participating voting are shown to intersect, and the light supplement unit interval Eg is classified into the group G (W1 and W2);

therefore, the intersected test points can be divided into one sub-control region R1 to obtain a set G (W1, W2, …, Wr 1).

In the step 4.3.3.4), the control scheme is as follows: at time t1-tJ, test points W1, W2, …, Wr1 in region R1 are controlled to have a control target G (W1, W2, …, Wr 1).

Claims (5)

1. A library lighting control method, the method comprising:

1) data processing

Obtaining library test points W1, W2, …, Wi, … and WI, selecting M test points as final test points according to the distance between the test points and light sources around the test points, collecting illumination data of all the test points at intervals of a time period, wherein J time periods are total, t1, t2, …, tJ and … tJ, obtaining the illumination data of each test point in J time periods, representing the illumination data of the test points Wi in the time period tJ by using symbols u _ i _ J, and setting the illumination threshold values to be u _ max and u _ min;

2) marking the difference between the collected illumination data and the illumination threshold value, and the process is as follows:

2.1) judging whether the collected illumination data is within an illumination threshold value, and if so, marking the data as 0 without starting an illuminating lamp on the bookshelf;

2.2) when the illumination is not within the illumination threshold value, if the illumination is greater than u _ max, the mark is-1, the problem of illumination transition exists, and the illumination lamp on the bookshelf does not need to be started;

2.3) when the light is not within the light threshold value, if the light is less than u _ min, the mark is 1, the problem of insufficient light exists at the moment, the illuminating lamp on the bookshelf needs to be started, and the value of the light supplement difference [ u _ min-u _ i _ j, u _ max-u _ i _ j ] is calculated and recorded;

the mark f _ i _ j represents a fill-in mark of the test point Wi in the time period tj

When f _ i _ j is 1, recording the light filling difference, [ u _ min-u _ i _ j, u _ max-u _ i _ j ];

3) analyzing the difference between the collected illumination data and the illumination threshold value, and the process is as follows:

3.1)1 test point is marked as 0 at all times, and the test point does not need to be provided with an illuminating lamp;

3.2) if the time number of the mark-1 exceeds the set threshold value, selecting and adjusting a nearby ceiling lamp or wall lamp;

3.3) according to position, difference record, divide the lighting control area, formulate the control target of light, the process is as follows:

3.3.1) eliminating test points which do not need light supplement or are illuminated beyond a threshold value to serve as light supplement test points;

3.3.2) calculating the intersection of the supplementary lighting differences of the single supplementary lighting test point at the time t1-tJ, wherein the intersection represents the supplementary lighting differences meeting the lighting threshold at the time t 1-tJ; if the light supplement differences at the time t1-tJ are not intersected, dividing the time t1-tJ to enable the light supplement differences of each time division section to be intersected; intersection refers to the light filling difference of different time quantum has the coincidence:

3.3.3) dividing the illumination control areas to enable the light supplement differences of all light supplement test points in each illumination control sub-area to have an intersection, wherein the intersection part is a light supplement target of all light supplement test points in the illumination control sub-area;

3.3.4) form the control target of the lighting lamp: and (4) the light supplement target is segmented at each time of each test point in the illumination control area.

2. A library lighting control method as claimed in claim 1, wherein in step 3.3.2), the intersection is calculated by using a voting mechanism, and the process is as follows:

3.3.2.1) determining a supplementary lighting boundary 0-500;

3.3.2.2) dividing the supplementary lighting boundary into num supplementary lighting unit intervals;

3.3.2.3) setting a voting rule of the light supplement unit interval: if the light supplement unit interval is in the light supplement difference range of the test point Wi in the time period tj, 1 ticket is thrown in the light supplement unit interval, and if not, 0 ticket is thrown in the light supplement unit interval;

let Eg represent the g supplementary lighting unit interval, which is total of num supplementary lighting unit intervals, the supplementary lighting difference of the test point Wi in the time period tj is [ u _ min-u _ i _ j, u _ max-u _ i _ j ], and p _ g _ i _ j represents the ticket obtaining of the g supplementary lighting unit interval in the test point Wi and the time period tj;

5lx is a unit, and the light supplement unit interval is as follows: 5. 10, 15, 20 … 495, 500;

3.3.2.4) to calculate the intersection of the points,

if the number of votes obtained is equal to the number of light supplement gaps participating in voting, the light supplement gaps participating in voting have intersection;

calculating the intersection of light supplement differences of a single light supplement test point at t1-tJ, wherein if p _ g _ i _1+ p _ g _ i _2+ … + p _ g _ i _ J is J, it indicates that the light supplement differences of the g-th light supplement unit interval at t1, t2, … and tJ of the test point Wi have an intersection;

searching num supplementary lighting unit intervals, and grouping supplementary lighting unit intervals meeting the requirement that p _ G _ i _1+ p _ G _ i _2+ … + p _ G _ i _ J is J into a set G _ i.

3. The method as claimed in claim 2, wherein in step 3.3.3), the lighting control areas are divided so that the fill-in light differences of all fill-in light test points in each lighting control sub-area intersect, and the process is as follows:

the method includes the steps that two light supplement test points W1 and W2 are grouped into G _1 and G _2 in a time period dimension, light supplement unit intervals in the G _1 and G _2 are searched, if p _ G _1_1+ p _ G _1_2+ … + p _ G _1_ J + p _ G _2_1+ p _ G _2_ … + p _ G _2_ J is 2J, the number of votes obtained at this time is 2J, the light supplement unit interval Eg is shown to meet light supplement requirements of the test points W1 and W2 in the time period t1-tJ, 2 light supplement test points participating voting are shown to intersect, and the light supplement unit interval Eg is classified into the group G (W1 and W2);

therefore, the test points with intersection are divided into a sub-control region R1, and a set G (W1, W2, …, Wr1) is obtained.

4. A library lighting control method as claimed in claim 3, wherein in step 3.3.4), the control scheme is: at time t1-tJ, test points W1, W2, …, Wr1 in region R1 are controlled to have a control target G (W1, W2, …, Wr 1).

5. The method for controlling the illumination of the library as claimed in any one of claims 1 to 4, wherein in the step 1), the data collection process is as follows:

1.1 drawing a structure diagram of a library, wherein the structure diagram comprises a bookshelf placement position, a desk, a walkway, glass-sunlight, a ceiling lamp and a wall lamp, and a movable area and a light source position of a reader are determined;

1.2, determining the test point,

1.2.1) gridding the library area, using a symbol S (x, y, z) to represent the position of a light source, and using a symbol W (x, y, z) to represent the position of a preselected test point;

1.2.2) statistics of the distances between the preselected test point and all light sources

There are 3 types of library light sources, namely wall lamp, ceiling lamp and sunlight, and the symbols are Q1, Q2 and Q3, N1Q 1 light sources, N2Q 2 light sources and N3Q 3 light sources, and the positions of all the light sources are represented as follows:

S_Q1_1(x，y，z),S_Q1_2(x，y，z),…,S_Q1_N1(x，y，z)

S_Q2_1(x，y，z),S_Q2_2(x，y，z),…,S_Q2_N2(x，y，z)

S_Q3_1(x，y，z),S_Q3_2(x，y，z),…,S_Q3_N3(x，y，z)

s _ Q1_ m (x, y, z) indicates the location of the mth light source of type Q1, where m is 1,2, … N1;

s _ Q2_ m (x, y, z) indicates the location of the mth light source of type Q2, where m is 1,2, … N2;

s _ Q3_ m (x, y, z) indicates the location of the mth light source of type Q3, where m is 1,2, … N3;

distance of preselected test point W (x, y, z) and light source S (x, y, z):

the distances between the preselected test point w and all light sources can be calculated by using the formula

L_{W,S_Q1_1},L_{W,S_Q1_2},…,L_{W,S_Q1_N1}

L_{W,S_Q2_1},L_{W,S_Q2_2},…,L_{W,S_Q2_N2}

L_{W,S_Q3_1},L_{W,S_Q3_2},…,L_{W,S_Q3_N3}

1.2.3) marking the type of the preselected test point according to the distance between the preselected test point and various light sources

Comparing the distance L of the preselected test point W to the Q1 type light source_{W,S_Q1_1},L_{W,S_Q1_2},…,L_{W,S_Q1_N1}Select 3 minimum distances, labeled L_{W,S_Q1_a}，L_{W,S_Q1_b}，L_{W,S_Q1_c}

Comparing preselected test points W and Q2 type lightDistance L of source_{W,S_Q2_1},L_{W,S_Q2_2},…,L_{W,S_Q2_N2}Select 3 minimum distances, labeled L_{W,S_Q2_a}，L_{W,S_Q2_b}，L_{W,S_Q2_c}

Comparing the distance L of the preselected test point W to the Q3 type light source_{W,S_Q3_1},L_{W,S_Q3_2},…,L_{W,S_Q3_N3}Select 3 minimum distances, labeled L_{W,S_Q3_a}，L_{W,S_Q3_b}，L_{W,S_Q3_c}

Pre-selected test point W type marking:

L_{W,S_Q1_a}，L_{W,S_Q1_b}，L_{W,S_Q1_c}，L_{W,S_Q2_a}，L_{W,S_Q2_b}，L_{W,S_Q2_c}，L_{W,S_Q3_a}，L_{W,S_Q3_b}，L_{W,S_Q3_c}

1.2.4) comparing the types of the preselected test points, and selecting the preselected test points of different types as final test points.

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