CN111491425A - Railway station illumination control method and system - Google Patents
Railway station illumination control method and system Download PDFInfo
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- CN111491425A CN111491425A CN202010250057.2A CN202010250057A CN111491425A CN 111491425 A CN111491425 A CN 111491425A CN 202010250057 A CN202010250057 A CN 202010250057A CN 111491425 A CN111491425 A CN 111491425A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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Abstract
The invention relates to a railway station illumination control method, which comprises the following specific steps: step S1: dividing an illumination control area according to the geographical position, and monitoring corresponding actual illumination through a sensor; step S2: setting a plurality of switch ratios and corresponding illumination brightness of a plurality of illumination lamps; step S3: executing an illumination control outer ring control algorithm, setting an outer ring control time period, and calculating an illumination target value and a control step length; step S4: executing an illumination control inner ring control algorithm according to the calculated illumination target value and the control step length, setting an inner ring control time period, and if the actual illumination is smaller than the illumination target value, increasing the switching ratio according to the control step length; if the switching ratio is larger than the control step length, reducing the switching ratio according to the control step length; if the current switching ratio is equal to the current switching ratio, the current switching ratio of the lighting control area is kept unchanged. Compared with the prior art, the invention has the advantages of improving the stability of the railway station illumination system, meeting the illumination requirement of the station, reducing the energy consumption of the illumination system and the like.
Description
Technical Field
The invention relates to the technical field of railway station equipment, in particular to a railway station illumination control method and system.
Background
Railway stations, especially railway passenger stations, have a wide demand for the construction of intelligent lighting control systems. The illumination control system of the railway station intelligently controls the illumination system according to field illumination information, train arrival information, passenger flow information, day and night time information and the like, so that the illumination control system can meet the illumination requirements of the station and also meet the energy-saving requirement, and the existing illumination system of the railway station is difficult to meet the illumination requirements of the station while meeting the energy-saving requirement.
Disclosure of Invention
The invention aims to provide a railway station illumination control method and a railway station illumination control system in order to overcome the defect that the prior art cannot meet the illumination requirement and the energy-saving requirement of a station at the same time.
The purpose of the invention can be realized by the following technical scheme:
a railway station illumination control method comprises the following specific steps:
step S1: dividing different illumination control areas according to the geographical position of the railway station, and monitoring the actual illumination of each illumination control area through a sensor;
step S2: setting a plurality of switch ratios and corresponding illumination brightness of the illumination lamps in each illumination control area;
step S3: executing an illumination control outer ring control algorithm in the illumination control area, setting an outer ring control time period through the illumination control outer ring control algorithm, and calculating an illumination target value and a control step length corresponding to the illumination control area in each outer ring control time period;
step S4: the illumination control area executes an illumination control inner ring control algorithm according to the calculated illumination target value and control step length, an inner ring control time period is set through the illumination control inner ring control algorithm, in each inner ring control time period, the actual illumination of the illumination control area is compared with the illumination target value, and if the actual illumination is smaller than the illumination target value, the on-off ratio of the illumination control area is increased according to the control step length; if the actual illumination is larger than the illumination target value, reducing the on-off ratio of the illumination control area according to the control step length; and if the actual illumination is equal to the illumination target value, keeping the current switching ratio of the illumination control area unchanged.
The switching ratios include fully on, 3/4 on, half on, 1/4 on, and fully off.
The illumination brightness corresponding to full on, 3/4 on, half on, 1/4 on and full off is full bright, 3/4 bright, half bright, 1/4 bright and full off respectively.
And the outer ring control time period and the inner ring control time period are determined according to algorithm simulation and actual test optimization.
The input data sources of the outer loop control algorithm comprise regional characteristics of the lighting control region, arrival and departure of trains, passenger flow, time of day and night and seasonal information.
The control step includes a brightness increment step and a brightness decrement step.
When the actual illumination is smaller than the illumination target value, the control step length is a brightness increasing step length; and when the actual illumination is larger than the illumination target value, the control step length is a brightness decreasing step length.
The length relationship of the brightness increment step size and the brightness decrement step size comprises that the brightness increment step size is equal to the brightness decrement step size or the brightness increment step size is not equal to the brightness decrement step size.
A system using the railway station illumination control method comprises a station illumination control part, an illumination control outer ring control algorithm part and an illumination control system inner ring algorithm part, and when the system is executed, the following steps are realized:
step S101: the station illumination control part divides different illumination control areas according to the geographical position of the railway station, and monitors the actual illumination of each illumination control area through a sensor;
step S102: the station illumination control part sets a plurality of switch ratios of illumination lamps and corresponding illumination brightness in each illumination control area;
step S103: the illumination control outer ring control algorithm part sets an outer ring control time period, and in each outer ring control time period, an illumination target value and a control step length corresponding to an illumination control area are calculated;
step S104: the illumination control system inner ring algorithm part executes an illumination control inner ring control algorithm according to the calculated illumination target value and control step length, an inner ring control time period is set through the illumination control inner ring control algorithm, in each inner ring control time period, the actual illumination of an illumination control area is compared with the illumination target value, and if the actual illumination is smaller than the illumination target value, the on-off proportion of the illumination control area is increased according to the control step length; if the actual illumination is larger than the illumination target value, reducing the on-off ratio of the illumination control area according to the control step length; and if the actual illumination is equal to the illumination target value, keeping the current switching ratio of the illumination control area unchanged.
Compared with the prior art, the illumination control method and the illumination control system have the advantages that the illumination control outer ring control algorithm and the illumination control inner ring control algorithm are combined, the illumination target value of the illumination control area meeting the energy-saving requirement is calculated, meanwhile, the actual illumination of the illumination control area is adjusted through the brightness increasing step length and the brightness decreasing step length according to the difference value of the actual illumination and the illumination target value, the actual illumination is adjusted to the corresponding illumination target value, the stability of the railway station illumination system is improved, the illumination requirement of the station is met, and meanwhile, the energy consumption of the illumination system is reduced.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention.
Reference numerals:
201-lighting control outer loop control algorithm part; 202-lighting control inner ring control algorithm part; 203-station lighting control part.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, a method for controlling illumination of a railway station includes the following steps:
step S1: dividing different lighting control areas Z according to the geographical position of the railway stationiWhere i is 1 to n, n is a natural number, and the actual illuminance L of each lighting control area is monitored by a sensoriWherein i is 1 to n, and n is a natural number;
step S2: setting a plurality of switch ratios of a plurality of lighting lamps and corresponding lighting brightness in each lighting control area;
step S3: executing an illumination control outer ring control algorithm in the illumination control area, and setting an outer ring control time period OT through the illumination control outer ring control algorithmiWhere i is 1 to n, n is a natural number, controlling the time period OT in each outer loopiCalculating the target value T of illumination intensity corresponding to the illumination control areaiAnd controlling the step length SiWherein i is 1 to n, and n is a natural number;
step S4: the illumination control area executes an illumination control inner ring control algorithm according to the calculated illumination target value and the control step length, and an inner ring control time period IT is set through the illumination control inner ring control algorithmiWhere i is 1 to n, n is a natural number, controlling the time period IT in each inner loopiComparing the actual illuminance L of the lighting control areaiAnd the target value T of illuminanceiIf the actual illuminance is LiLess than target value of illuminance TiIncreasing the on-off ratio of the lighting control area according to the control step length, and if the actual illumination LiGreater than the target value of illuminance TiThe on-off ratio of the illumination control area is reduced according to the control step length, and if the actual illumination LiEqual to the target value of illuminance TiThen the current switching ratio of the lighting control area is kept unchanged.
The switching ratios include full on, 3/4 on, half on, 1/4 on and full off.
The illumination brightness corresponding to full on, 3/4 on, half on, 1/4 on and full off is full bright, 3/4 bright, half bright, 1/4 bright and full off respectively.
Outer loop control time periodOTiAnd inner loop control time period ITiAnd (4) performing simulation and actual test optimization determination according to an algorithm.
The input data sources for the outer loop control algorithm include regional characteristics of the lighting control area, arrival and departure of trains, traffic volume, time of day and night, and seasonal information.
Control step length SiInvolving incremental steps of brightness USiAnd a decreasing brightness step size DSiWherein i is 1 to n, and n is a natural number.
Actual illuminance LiLess than target value of illuminance TiWhen the control step length is SiBrightness incremental step size USiActual illuminance LiGreater than the target value of illuminance TiWhile controlling the step length SiStep size DS is decreased for brightnessi。
Brightness incremental step size USiAnd a decreasing brightness step size DSiIncludes a brightness increment step size USiEqual to the decreasing brightness step size DSiOr brightness increment step size USiNot equal to the decreasing brightness step size DSi。
As shown in fig. 2, a system using a lighting control method for a railway station includes a station lighting control part 203, a lighting control outer loop control algorithm part 201 and a lighting control system inner loop algorithm part 202, and when executed, the system implements the following steps:
step S1: the station lighting control section 203 divides different lighting control areas Z according to the geographical position of the railway stationiMonitoring the actual illuminance L of each lighting control area by a sensori；
Step S2: the station lighting control part 203 sets a plurality of switch ratios of the lighting lamps and corresponding lighting brightness in each lighting control area;
step S3: the illumination control outer loop control algorithm portion 201 sets an outer loop control time period, OT, at each outer loop control time periodiCalculating the target value T of illumination intensity corresponding to the illumination control areaiAnd controlling the step length Si；
Step S4: the inner-loop algorithm part 202 of the illumination control system calculates the illumination according to the calculated illuminationExecuting an illumination control inner-loop control algorithm by the target value and the control step length, and setting an inner-loop control time period IT through the illumination control inner-loop control algorithmiControlling the time period IT at each inner loopiComparing the actual illuminance L of the lighting control areaiAnd the target value T of illuminanceiIf the actual illuminance is LiLess than target value of illuminance TiIncreasing the on-off ratio of the lighting control area according to the control step length, and if the actual illumination LiGreater than the target value of illuminance TiThe on-off ratio of the illumination control area is reduced according to the control step length, and if the actual illumination LiEqual to the target value of illuminance TiThen the current switching ratio of the lighting control area is kept unchanged.
In addition, it should be noted that the specific embodiments described in the present specification may have different names, and the above descriptions in the present specification are only illustrations of the structures of the present invention. Minor or simple variations in the structure, features and principles of the present invention are included within the scope of the present invention. Various modifications or additions may be made to the described embodiments or methods may be similarly employed by those skilled in the art without departing from the scope of the invention as defined in the appending claims.
Claims (9)
1. A railway station illumination control method is characterized by comprising the following specific steps:
step S1: dividing different illumination control areas according to the geographical position of the railway station, and monitoring the actual illumination of each illumination control area through a sensor;
step S2: setting a plurality of switch ratios and corresponding illumination brightness of a plurality of illumination lamps in each illumination control area;
step S3: executing an illumination control outer ring control algorithm in the illumination control area, setting an outer ring control time period through the illumination control outer ring control algorithm, and calculating an illumination target value and a control step length corresponding to the illumination control area in each outer ring control time period;
step S4: the illumination control area executes an illumination control inner ring control algorithm according to the calculated illumination target value and control step length, an inner ring control time period is set through the illumination control inner ring control algorithm, in each inner ring control time period, the actual illumination of the illumination control area is compared with the illumination target value, and if the actual illumination is smaller than the illumination target value, the on-off ratio of the illumination control area is increased according to the control step length; if the actual illumination is larger than the illumination target value, reducing the on-off ratio of the illumination control area according to the control step length; and if the actual illumination is equal to the illumination target value, keeping the current switching ratio of the illumination control area unchanged.
2. The railway station lighting control method as claimed in claim 1, wherein the switching ratio comprises full on, 3/4 on, half on, 1/4 on and full off.
3. The railway station illumination control method as claimed in claim 2, wherein the illumination brightness corresponding to full on, 3/4 on, half on, 1/4 on and full off is full on, 3/4 on, half on, 1/4 on and full off respectively.
4. The railway station illumination control method as claimed in claim 1, wherein the outer loop control time period and the inner loop control time period are determined according to algorithm simulation and actual test optimization.
5. The railway station illumination control method as claimed in claim 4, wherein the input data sources of the outer loop control algorithm comprise regional characteristics of the illumination control area, arrival and departure of trains, traffic volume, time of day and night, and season information.
6. The railway station illumination control method as claimed in claim 1, wherein the control step includes a brightness increment step and a brightness decrement step.
7. The railway station illumination control method as claimed in claim 6, wherein when the actual illuminance is less than the illuminance target value, the control step is a brightness increment step; and when the actual illumination is larger than the illumination target value, the control step length is a brightness decreasing step length.
8. The railway station illumination control method as claimed in claim 1, wherein the length relationship between the brightness increment step and the brightness decrement step includes that the brightness increment step is equal to the brightness decrement step or the brightness increment step is not equal to the brightness decrement step.
9. A system using the railway station lighting control method as claimed in any one of claims 1 to 8, characterized in that the system comprises a station lighting control part (203), a lighting control outer loop control algorithm part (201) and a lighting control system inner loop algorithm part (202), and when executed, the system realizes the following steps:
step S1: the station illumination control part (203) divides different illumination control areas according to the geographical position of the railway station, and monitors the actual illumination of each illumination control area through a sensor;
step S2: the station illumination control part (203) sets a plurality of switch ratios of illumination lamps and corresponding illumination brightness in each illumination control area;
step S3: the illumination control outer ring control algorithm part (201) sets an outer ring control time period, and in each outer ring control time period, an illumination target value and a control step length corresponding to an illumination control area are calculated;
step S4: the illumination control system inner ring algorithm part (202) executes an illumination control inner ring control algorithm according to the calculated illumination target value and control step length, an inner ring control time period is set through the illumination control inner ring control algorithm, in each inner ring control time period, the actual illumination of an illumination control area is compared with the illumination target value, and if the actual illumination is smaller than the illumination target value, the on-off proportion of the illumination control area is increased according to the control step length; if the actual illumination is larger than the illumination target value, reducing the on-off ratio of the illumination control area according to the control step length; and if the actual illumination is equal to the illumination target value, keeping the current switching ratio of the illumination control area unchanged.
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| CN202010250057.2A CN111491425A (en) | 2020-04-01 | 2020-04-01 | Railway station illumination control method and system |
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| CN202010250057.2A CN111491425A (en) | 2020-04-01 | 2020-04-01 | Railway station illumination control method and system |
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2020
- 2020-04-01 CN CN202010250057.2A patent/CN111491425A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413179A (en) * | 2015-07-30 | 2017-02-15 | 松下知识产权经营株式会社 | Lighting control devices and lighting control systems |
| CN107666752A (en) * | 2016-11-18 | 2018-02-06 | 广东野光源视力保健研究院 | Dynamic lighting method |
| CN206894970U (en) * | 2017-04-28 | 2018-01-16 | 欧普照明股份有限公司 | Intelligent illuminating system based on wireless control technology |
| CN107613617A (en) * | 2017-09-11 | 2018-01-19 | 中国铁道科学研究院电子计算技术研究所 | A kind of intelligent control method and system for Railway Passenger Stations lighting energy saving |
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Application publication date: 20200804 |